Subscriber API Documentation

Subscriber management endpoints for managing email list subscribers, including creation, updates, imports, exports, tagging, and journey management.

Create a Subscriber

POST /api/v1/subscriber.create

API Usage Notes

• Authentication required: User API Key
• Required permissions: Subscribers.Import
• Rate limit: 100 requests per 60 seconds
• Legacy endpoint access via /api.php is also supported

Request Body Parameters:

Parameter	Type	Required	Description
Command	String	Yes	API command: subscriber.create
SessionID	String	No	Session ID obtained from login
APIKey	String	No	API key for authentication
ListID	Integer	Yes	ID of the subscriber list
EmailAddress	String	Yes	Email address of the subscriber
Status	String	No	Subscription status: Opt-In Pending, Subscribed, Opt-Out Pending, Unsubscribed (default: Subscribed)
OptInDate	String	No	Opt-in date in Y-m-d or Y-m-d H:i:s format
SubscriptionDate	String	Conditional	Required if Status is Subscribed or Opt-In Pending (Y-m-d or Y-m-d H:i:s format)
SubscriptionIP	String	Conditional	Required if Status is Subscribed or Opt-In Pending (IP address)
UnsubscriptionDate	String	Conditional	Required if Status is Unsubscribed or Opt-Out Pending (Y-m-d or Y-m-d H:i:s format)
UnsubscriptionIP	String	Conditional	Required if Status is Unsubscribed or Opt-Out Pending (IP address)
BounceType	String	No	Bounce type: Not Bounced, Soft, Hard (default: Not Bounced)
CustomFields	Object	No	Custom field values (key: CustomFieldID, value: field value)
OptInConfirmationEmailID	Integer	No	Email ID to send for opt-in confirmation
UpdateIfDuplicate	Boolean	No	Update subscriber if email already exists (default: false)
UpdateIfUnsubscribed	Boolean	No	Update subscriber if previously unsubscribed (default: false)
ApplyBehaviors	Boolean	No	Apply list subscription behaviors (default: false)
SendConfirmationEmail	Boolean	No	Send opt-in confirmation email (default: false)
UpdateStatistics	Boolean	No	Update list statistics (default: false)
TriggerWebServices	Boolean	No	Trigger web service integrations (default: false)
TriggerAutoResponders	Boolean	No	Trigger autoresponders (default: false)

Example Request

curl -X POST https://example.com/api/v1/subscriber.create \
  -H "Content-Type: application/json" \
  -d '{
    "Command": "subscriber.create",
    "SessionID": "your-session-id",
    "ListID": 123,
    "EmailAddress": "subscriber@example.com",
    "Status": "Subscribed",
    "SubscriptionDate": "2025-01-01 12:00:00",
    "SubscriptionIP": "192.168.1.1",
    "CustomFields": {
      "1": "John",
      "2": "Doe"
    }
  }'

Success Response

{
  "Success": true,
  "ErrorCode": 0,
  "SubscriberInformation": {
    "SubscriberID": 456,
    "EmailAddress": "subscriber@example.com",
    "SubscriptionStatus": "Subscribed",
    "SubscriptionDate": "2025-01-01 12:00:00"
  },
  "Suppressed": false,
  "SubscriberTags": [],
  "SubscriberSegments": [],
  "SubscriberJourneys": [],
  "SubscriberWebsiteEvents": []
}

Error Response

{
  "Success": false,
  "ErrorCode": 2,
  "Errors": [
    {
      "Code": 2,
      "Message": "Missing EmailAddress parameter"
    }
  ]
}

Error Codes

0: Success
1: Missing ListID parameter
2: Missing EmailAddress parameter
3: Invalid EmailAddress
4: Invalid ListID
5: Invalid BounceType value
6: Invalid Status value
7: Invalid SubscriptionDate value
8: Missing SubscriptionDate parameter
9: Missing SubscriptionIP parameter
10: Invalid SubscriptionIP value
11: Missing UnsubscriptionDate parameter
12: Missing UnsubscriptionIP parameter
13: Invalid UnsubscriptionDate value
14: Invalid UnsubscriptionIP value
15: Missing OptInDate parameter
16: Invalid OptInDate value
17: Invalid Custom Field value
18: Subscriber create limit is exceeded
19: Invalid EmailAddress
20: Duplicate EmailAddress
21: Previously unsubscribed EmailAddress
22: Invalid user information
23: Invalid list information
24: Invalid OptInConfirmationEmailID value
25: Invalid OptInConfirmationEmailID (email does not exist or does not belong to user)

Subscribe to a List

POST /api.php

API Usage Notes

• No authentication required
• Legacy endpoint access via /api.php only (no v1 REST alias configured)

Request Body Parameters:

Parameter	Type	Required	Description
Command	String	Yes	API command: subscriber.subscribe
ListID	String	Yes	ID of the subscriber list (can be comma-separated for multiple lists)
EmailAddress	String	Yes	Email address of the subscriber
IPAddress	String	Yes	IP address of the subscriber
CustomFieldN	String	No	Custom field values (N = CustomFieldID)

Example Request

curl -X POST https://example.com/api.php \
  -H "Content-Type: application/json" \
  -d '{
    "Command": "subscriber.subscribe",
    "ListID": "123",
    "EmailAddress": "subscriber@example.com",
    "IPAddress": "192.168.1.1",
    "CustomField1": "John",
    "CustomField2": "Doe"
  }'

Success Response

{
  "Success": true,
  "ErrorCode": 0,
  "SubscriberID": 456,
  "RedirectURL": "https://example.com/confirmation",
  "Subscriber": {
    "SubscriberID": 456,
    "EmailAddress": "subscriber@example.com",
    "SubscriptionStatus": "Opt-In Pending"
  }
}

Error Response

{
  "Success": false,
  "ErrorCode": 1
}

Error Codes

0: Success
1: Missing ListID parameter
2: Missing EmailAddress parameter
3: Missing IPAddress parameter
4: Invalid ListID
5: Invalid EmailAddress
6: Required custom field missing
7: Custom field value is not unique
8: Invalid custom field value
9: Duplicate email address
10: Subscription failed
11: Invalid user information
101: Plugin validation failed

Unsubscribe from a List

POST /api.php

API Usage Notes

• No authentication required
• Legacy endpoint access via /api.php only (no v1 REST alias configured)

Request Body Parameters:

Parameter	Type	Required	Description
Command	String	Yes	API command: subscriber.unsubscribe
ListID	Integer	Yes	ID of the subscriber list
IPAddress	String	Yes	IP address of the subscriber
EmailAddress	String	Conditional	Email address (required if SubscriberID and RulesJSON not provided)
SubscriberID	Integer	Conditional	Subscriber ID (required if EmailAddress and RulesJSON not provided)
RulesJSON	String	Conditional	JSON rules for bulk unsubscription (required if EmailAddress and SubscriberID not provided)
RulesOperator	String	Conditional	Rules operator: and, or (required if RulesJSON provided)
CampaignID	Integer	No	ID of the campaign (for tracking)
EmailID	Integer	No	ID of the email (for tracking)
AutoResponderID	Integer	No	ID of the autoresponder (for tracking)
Channel	String	No	Unsubscription channel (for tracking)
AddToGlobalSuppression	Boolean	No	Add to global suppression list (default: false)
Preview	Integer	No	Preview mode (1 = don't actually unsubscribe)

Example Request

curl -X POST https://example.com/api.php \
  -H "Content-Type: application/json" \
  -d '{
    "Command": "subscriber.unsubscribe",
    "ListID": 123,
    "EmailAddress": "subscriber@example.com",
    "IPAddress": "192.168.1.1"
  }'

Success Response

{
  "Success": true,
  "ErrorCode": 0,
  "RedirectURL": "https://example.com/unsubscribe-confirmed"
}

Error Response

{
  "Success": false,
  "ErrorCode": 4
}

Error Codes

0: Success
1: Missing ListID parameter
2: Missing IPAddress parameter
3: Missing EmailAddress/SubscriberID parameter
4: Invalid ListID
5: Invalid user information
6: Invalid EmailAddress
7: Subscriber not found
8: Invalid CampaignID
9: Subscriber already unsubscribed
10: Invalid EmailID
11: Invalid query builder response

Delete Subscribers

POST /api.php

API Usage Notes

• Authentication required: User API Key
• Required permissions: Subscribers.Delete
• Legacy endpoint access via /api.php only (no v1 REST alias configured)

Request Body Parameters:

Parameter	Type	Required	Description
Command	String	Yes	API command: subscribers.delete
SessionID	String	No	Session ID obtained from login
APIKey	String	No	API key for authentication
SubscriberListID	Integer	Yes	ID of the subscriber list
Subscribers	String	Conditional	Comma-separated subscriber IDs (required if RulesJSON not provided)
RulesJSON	String	Conditional	JSON rules for bulk deletion (required if Subscribers not provided)
RulesOperator	String	Conditional	Rules operator: and, or (required if RulesJSON provided)
Suppressed	Boolean	No	Delete from suppression list instead (default: false)

Example Request

curl -X POST https://example.com/api.php \
  -H "Content-Type: application/json" \
  -d '{
    "Command": "subscribers.delete",
    "SessionID": "your-session-id",
    "SubscriberListID": 123,
    "Subscribers": "456,789,101"
  }'

Success Response

{
  "Success": true,
  "ErrorCode": 0,
  "ErrorText": ""
}

Error Response

{
  "Success": false,
  "ErrorCode": 2,
  "ErrorText": "Missing subscriber list id"
}

Error Codes

0: Success
2: Missing subscriber list id
5: Invalid list id
6: Invalid query builder response

Delete All Subscribers from a List

POST /api.php

API Usage Notes

• Authentication required: User API Key
• Required permissions: Subscribers.Delete
• Legacy endpoint access via /api.php only (no v1 REST alias configured)

Request Body Parameters:

Parameter	Type	Required	Description
Command	String	Yes	API command: subscribers.delete.all
SessionID	String	No	Session ID obtained from login
APIKey	String	No	API key for authentication
ListID	Integer	Yes	ID of the subscriber list
DeleteListTags	Boolean	No	Also delete tag entities (default: false; tag associations always deleted)

Example Request

curl -X POST https://example.com/api.php \
  -H "Content-Type: application/json" \
  -d '{
    "Command": "subscribers.delete.all",
    "SessionID": "your-session-id",
    "ListID": 123,
    "DeleteListTags": false
  }'

Success Response

{
  "Success": true
}

Error Response

{
  "Success": false,
  "ErrorCode": 1
}

Error Codes

0: Success
1: Missing ListID parameter
3: Invalid list ID
4: Access denied to this list
5: Failed to delete subscribers
6: Failed to delete tag associations
7: Failed to delete tag entities
8: An error occurred during deletion

Search Subscribers

POST /api.php

API Usage Notes

• Authentication required: User API Key
• Required permissions: Subscribers.Get
• Legacy endpoint access via /api.php only (no v1 REST alias configured)

Request Body Parameters:

Parameter	Type	Required	Description
Command	String	Yes	API command: subscribers.search
SessionID	String	No	Session ID obtained from login
APIKey	String	No	API key for authentication
ListID	Integer	Yes	ID of the subscriber list
Operator	String	Yes	Rules operator: and, or
Rules	String	No	Legacy rules format
RulesJSON	String	No	JSON rules format
RecordsPerRequest	Integer	No	Number of records to return (default: 25)
RecordsFrom	Integer	No	Offset for pagination (default: 0)
OrderField	String	No	Field to order by (default: EmailAddress)
OrderType	String	No	Order direction: ASC, DESC (default: ASC)
OnlyTotal	Boolean	No	Return only total count (default: false)
AddMustHaveFilters	Boolean	No	Add mandatory filters for segment rules (default: false)
DebugQueryBuilder	Boolean	No	Return SQL query for debugging (default: false)

Example Request

curl -X POST https://example.com/api.php \
  -H "Content-Type: application/json" \
  -d '{
    "Command": "subscribers.search",
    "SessionID": "your-session-id",
    "ListID": 123,
    "Operator": "and",
    "RulesJSON": "[{\"field\":\"EmailAddress\",\"operator\":\"contains\",\"value\":\"example.com\"}]",
    "RecordsPerRequest": 50,
    "RecordsFrom": 0
  }'

Success Response

{
  "Success": true,
  "ErrorCode": 0,
  "ErrorText": "",
  "TotalSubscribers": 150,
  "Subscribers": [
    {
      "SubscriberID": 456,
      "EmailAddress": "user@example.com",
      "SubscriptionStatus": "Subscribed",
      "SubscriberTags": [],
      "Suppressed": false,
      "TotalRevenue": 0
    }
  ]
}

Error Response

{
  "Success": false,
  "ErrorCode": 1
}

Error Codes

0: Success
1: Missing ListID parameter
2: Missing Operator parameter
3: ListID not found
4: Problem with the segment engine
5: Segment recursion limit exceeded

Import Subscribers (Legacy Multi-Step)

POST /api.php

API Usage Notes

• Authentication required: User API Key
• Required permissions: Subscribers.Import
• Legacy endpoint access via /api.php only (no v1 REST alias configured)

DEPRECATED

This is a legacy multi-step import endpoint. Use subscribers.import.post (via /api/v1/subscribers.import) for new integrations.

The modern endpoint provides:

• Single-step import (no multi-step workflow)
• Support for CSV, Mailchimp, ActiveCampaign, and Drip imports
• Better error handling and validation
• Webhook notifications on completion
• Tag assignment during import

Request Body Parameters (Step 1):

Parameter	Type	Required	Description
Command	String	Yes	API command: subscribers.import
SessionID	String	No	Session ID obtained from login
APIKey	String	No	API key for authentication
ImportStep	Integer	Yes	Import step: 1 or 2
ListID	Integer	No	ID of the subscriber list
ImportType	String	Yes	Import type: Copy, File, MySQL
ImportData	String	Conditional	CSV data (required if ImportType = Copy)
ImportFileName	String	Conditional	File name (required if ImportType = File)
ImportMySQLHost	String	Conditional	MySQL host (required if ImportType = MySQL)
ImportMySQLPort	Integer	Conditional	MySQL port (required if ImportType = MySQL)
ImportMySQLDatabase	String	Conditional	MySQL database (required if ImportType = MySQL)
ImportMySQLQuery	String	Conditional	MySQL query (required if ImportType = MySQL)
FieldTerminator	String	No	Field delimiter (default: ,)
FieldEncloser	String	No	Field encloser (default: ")
MappedFields	Object	No	Field mapping (CustomFieldID: FieldName)

Example Request - Step 1

curl -X POST https://example.com/api.php \
  -H "Content-Type: application/json" \
  -d '{
    "Command": "subscribers.import",
    "SessionID": "your-session-id",
    "ImportStep": 1,
    "ListID": 123,
    "ImportType": "Copy",
    "ImportData": "email,name\nuser@example.com,John Doe",
    "FieldTerminator": ",",
    "FieldEncloser": "\""
  }'

Success Response - Step 1

{
  "Success": true,
  "ErrorCode": 0,
  "ErrorText": "",
  "ImportID": 789,
  "ImportFields": [
    {
      "FIELD1": "email",
      "FIELD2": "name"
    }
  ]
}

Error Response

{
  "Success": false,
  "ErrorCode": 1
}

Error Codes

0: Success
1: Missing ImportType parameter
2: Missing ImportData parameter
3: Invalid ImportStep
4: Invalid ListID
5: Failed to parse CSV data
6: Import record already processed
7: EmailAddress field mapped more than once
8: EmailAddress field not mapped
9: Missing ImportFileName parameter
10: Missing ImportMySQLHost parameter
11: Missing ImportMySQLPort parameter
12: Missing ImportMySQLDatabase parameter
13: Import file does not exist
14: Missing ImportMySQLQuery parameter
15: MySQL connection failed
16: MySQL query failed
17: Import type not supported
18: File size exceeds maximum allowed size

Export Subscribers (Create Export Job)

POST /api/v1/subscribers.export

API Usage Notes

• Authentication required: User API Key
• Required permissions: Subscribers.Import
• Rate limit: 100 requests per 60 seconds
• Legacy endpoint access via /api.php is also supported

Request Body Parameters:

Parameter	Type	Required	Description
Command	String	Yes	API command: subscribers.export.post
SessionID	String	No	Session ID obtained from login
APIKey	String	No	API key for authentication
ListID	Integer	Yes	ID of the subscriber list
RulesJSON	Array	Yes	JSON rules for filtering subscribers
RulesOperator	String	Yes	Rules operator: and, or
ExportFormat	String	Yes	Export format: csv, json
FieldsToExport	Array	Yes	Array of field names to export
Target	String	No	Target segment: Active, Suppressed, Unsubscribed, Soft bounced, Hard bounced, or segment ID

Example Request

curl -X POST https://example.com/api/v1/subscribers.export \
  -H "Content-Type: application/json" \
  -d '{
    "Command": "subscribers.export.post",
    "SessionID": "your-session-id",
    "ListID": 123,
    "RulesJSON": [],
    "RulesOperator": "and",
    "ExportFormat": "csv",
    "FieldsToExport": ["EmailAddress", "SubscriptionDate"],
    "Target": "Active"
  }'

Success Response

{
  "ExportID": 456
}

Error Response

{
  "Errors": [
    {
      "Code": 1,
      "Message": "Missing ListID parameter"
    }
  ]
}

Error Codes

0: Success
1: Missing ListID parameter
2: Missing RulesJSON parameter
3: Missing RulesOperator parameter
4: Missing ExportFormat parameter
5: Missing FieldsToExport parameter
6: Invalid ListID parameter
7: Invalid RulesJSON syntax
8: RulesOperator must be either "and" or "or"
9: ExportFormat must be either "csv" or "json"
10: List not found
11: Target must be valid status or segment ID
12: Segment not found

Get Export Job Status

GET /api/v1/subscribers.export

API Usage Notes

• Authentication required: User API Key
• Required permissions: Subscribers.Import
• Rate limit: 100 requests per 60 seconds
• Legacy endpoint access via /api.php is also supported

Request Body Parameters:

Parameter	Type	Required	Description
Command	String	Yes	API command: subscribers.export.get
SessionID	String	No	Session ID obtained from login
APIKey	String	No	API key for authentication
ListID	Integer	Yes	ID of the subscriber list
ExportID	Integer	No	ID of the export job (omit to list all export jobs)
Download	Boolean	No	Download the export file (only when ExportID provided and status is Completed)

Example Request

curl -X GET "https://example.com/api/v1/subscribers.export?Command=subscribers.export.get&SessionID=your-session-id&ListID=123&ExportID=456"

Success Response

{
  "ExportJob": {
    "ExportID": 456,
    "Module": "SubscriberExport",
    "Status": "Completed",
    "ExportOptions": {
      "Command": "ExportSubscribers",
      "ListID": 123,
      "FileFormat": "csv",
      "Fields": ["EmailAddress", "SubscriptionDate"]
    },
    "SubmittedAt": "2025-01-01 12:00:00",
    "FinishedAt": "2025-01-01 12:05:00",
    "DownloadSize": 1024000
  }
}

Error Response

{
  "Errors": [
    {
      "Code": 1,
      "Message": "Missing ListID parameter"
    }
  ]
}

Error Codes

0: Success
1: Missing ListID parameter
2: Invalid ListID parameter
3: Invalid ExportID parameter
4: List not found
5: Invalid ExportID parameter
6: Export job not found

Import Subscribers (Modern Single-Step)

POST /api/v1/subscribers.import

API Usage Notes

• Authentication required: User API Key
• Required permissions: Subscribers.Import
• Rate limit: 100 requests per 60 seconds
• Legacy endpoint access via /api.php is also supported

Request Body Parameters:

Parameter	Type	Required	Description
Command	String	Yes	API command: subscribers.import.post
SessionID	String	No	Session ID obtained from login
APIKey	String	No	API key for authentication
ListID	Integer	Yes	ID of the subscriber list
AddToGlobalSuppressionList	Boolean	Yes	Add failed imports to global suppression
AddToSuppressionList	Boolean	Yes	Add failed imports to list suppression
UpdateDuplicates	Boolean	Yes	Update existing subscribers on duplicate
TriggerActions	Boolean	Yes	Trigger autoresponders and journeys
Tags	Array	Yes	Array of tag names to apply to imported subscribers
ImportFrom	Object	Yes	Import source configuration
ImportFrom.CSV.URL	String	Conditional	URL to fetch CSV data (required if ImportFrom.CSV.Data not provided)
ImportFrom.CSV.Data	String	Conditional	CSV data string (required if ImportFrom.CSV.URL not provided)
ImportFrom.CSV.FieldTerminator	String	Yes (for CSV)	Field delimiter
ImportFrom.CSV.FieldEncloser	String	No	Field encloser (default: empty)
ImportFrom.CSV.EscapedBy	String	Yes (for CSV)	Escape character
ImportFrom.CSV.MappedFields	Object	Yes (for CSV)	Field mapping (FieldName: CustomFieldID or EmailAddress)
ImportStatusUpdateWebhookURL	String	No	Webhook URL to notify on import completion

Example Request

curl -X POST https://example.com/api/v1/subscribers.import \
  -H "Content-Type: application/json" \
  -d '{
    "Command": "subscribers.import.post",
    "SessionID": "your-session-id",
    "ListID": 123,
    "AddToGlobalSuppressionList": false,
    "AddToSuppressionList": false,
    "UpdateDuplicates": true,
    "TriggerActions": true,
    "Tags": ["newsletter", "2025"],
    "ImportFrom": {
      "CSV": {
        "Data": "email,name\nuser@example.com,John Doe",
        "FieldTerminator": ",",
        "FieldEncloser": "\"",
        "EscapedBy": "\\",
        "MappedFields": {
          "FIELD1": "EmailAddress",
          "FIELD2": "1"
        }
      }
    }
  }'

Success Response

{
  "ImportID": 789,
  "ImportType": "async"
}

Error Response

{
  "Errors": [
    {
      "Code": 1,
      "Message": "Missing ListID parameter"
    }
  ]
}

Error Codes

0: Success
1: Missing ListID parameter
2: Missing FieldTerminator parameter
4: Missing AddToGlobalSuppressionList parameter
5: Missing AddToSuppressionList parameter
6: Missing UpdateDuplicates parameter
7: Missing TriggerActions parameter
8: Missing MappedFields parameter
9: Invalid AddToGlobalSuppressionList parameter
10: Invalid AddToSuppressionList parameter
11: Invalid UpdateDuplicates parameter
12: Invalid TriggerActions parameter
13: Invalid MappedFields parameter
14: ImportFrom source must be provided
15: Fields are not mapped
16: Missing EscapedBy parameter
17: Field mapping is invalid
18: ImportFrom.CSV.URL remote data fetch failure
19: List not found
20: Invalid ListID parameter / Failed to create import record
21: Missing Tags parameter

Get Import Job Status

GET /api/v1/subscribers.import

API Usage Notes

• Authentication required: User API Key
• Required permissions: Subscribers.Import
• Rate limit: 100 requests per 60 seconds
• Legacy endpoint access via /api.php is also supported

Request Body Parameters:

Parameter	Type	Required	Description
Command	String	Yes	API command: subscribers.import.get
SessionID	String	No	Session ID obtained from login
APIKey	String	No	API key for authentication
ListID	Integer	Yes	ID of the subscriber list
ImportID	Integer	Yes	ID of the import job

Example Request

curl -X GET "https://example.com/api/v1/subscribers.import?Command=subscribers.import.get&SessionID=your-session-id&ListID=123&ImportID=789"

Success Response

{
  "ImportJob": {
    "ImportID": 789,
    "ImportDate": "2025-01-01 12:00:00",
    "FinishedAt": "2025-01-01 12:05:00",
    "ImportStatus": "Completed",
    "FailedData": "",
    "TotalSubscribers": 1000,
    "TotalImported": 950,
    "TotalDuplicates": 30,
    "TotalFailed": 20
  }
}

Error Response

{
  "Errors": [
    {
      "Code": 1,
      "Message": "Missing ListID parameter"
    }
  ]
}

Error Codes

0: Success
1: Missing ListID parameter
2: Missing ImportID parameter
3: Invalid ListID parameter
4: Invalid ImportID parameter
5: List not found
6: Invalid ImportID parameter
7: Import job not found

Prepare Import from Third-Party Service

POST /api/v1/subscribers.import

API Usage Notes

• Authentication required: User API Key
• Required permissions: Subscribers.Import
• Rate limit: 100 requests per 60 seconds
• Legacy endpoint access via /api.php is also supported

This endpoint prepares import by fetching metadata from third-party services (Mailchimp, ActiveCampaign, Drip).

Request Body Parameters:

Parameter	Type	Required	Description
Command	String	Yes	API command: subscribers.import.prepare
SessionID	String	No	Session ID obtained from login
APIKey	String	No	API key for authentication
ImportFrom	Object	Yes	Import source configuration
ImportFrom.Mailchimp.APIKey	String	Conditional	Mailchimp API key
ImportFrom.Mailchimp.Server	String	Conditional	Mailchimp server (e.g., us1)
ImportFrom.ActiveCampaign.APIKey	String	Conditional	ActiveCampaign API key
ImportFrom.ActiveCampaign.AccountName	String	Conditional	ActiveCampaign account name
ImportFrom.Drip.APIKey	String	Conditional	Drip API key

Example Request - Mailchimp

curl -X POST https://example.com/api/v1/subscribers.import \
  -H "Content-Type: application/json" \
  -d '{
    "Command": "subscribers.import.prepare",
    "SessionID": "your-session-id",
    "ImportFrom": {
      "Mailchimp": {
        "APIKey": "your-mailchimp-api-key",
        "Server": "us1"
      }
    }
  }'

Success Response - Mailchimp

{
  "Lists": [
    {
      "ID": "abc123",
      "Name": "Newsletter List",
      "ActiveSubscribersCount": 1500,
      "SubscribersCount": 2000,
      "MergeFields": [
        {
          "ID": "FNAME",
          "Name": "First Name",
          "Type": "text"
        }
      ],
      "Tags": [
        {
          "ID": 456,
          "Name": "VIP"
        }
      ],
      "Groups": []
    }
  ]
}

Error Response

{
  "Errors": [
    {
      "Code": 1,
      "Message": "ImportFrom.Mailchimp.APIKey, ImportFrom.ActiveCampaign.APIKey or ImportFrom.Drip.APIKey must be provided"
    }
  ]
}

Error Codes

0: Success
1: ImportFrom source must be provided
2: Invalid ImportFrom source
3: ActiveCampaign API key is missing
4: ActiveCampaign account name is missing
5: ActiveCampaign Error
7: Mailchimp API key is missing
8: Mailchimp server is missing
9: Mailchimp Error / Drip Error
11: Mailchimp Error While Retrieving Lists
12: Mailchimp Error While Retrieving Merge Fields
13: Mailchimp Error While Retrieving Tags
14: Mailchimp Error While Retrieving Interest Categories
15: Mailchimp Error While Retrieving Interests
16-23: Various third-party API errors

Get Subscribers List

POST /api.php

API Usage Notes

• Authentication required: User API Key
• Required permissions: Subscribers.Get
• Legacy endpoint access via /api.php only (no v1 REST alias configured)

Request Body Parameters:

Parameter	Type	Required	Description
Command	String	Yes	API command: subscribers.get
SessionID	String	No	Session ID obtained from login
APIKey	String	No	API key for authentication
SubscriberListID	Integer	Yes	ID of the subscriber list
SubscriberSegment	String	Yes	Segment: Active, Suppressed, Unsubscribed, Soft bounced, Hard bounced, Opt-in pending, or segment ID
RecordsPerRequest	Integer	No	Number of records to return (default: 25)
RecordsFrom	Integer	No	Offset for pagination (default: 0)
OrderField	String	No	Field to order by (default: EmailAddress)
OrderType	String	No	Order direction: ASC, DESC (default: ASC)
SearchField	String	No	Field to search in
SearchKeyword	String	No	Search keyword

Example Request

curl -X POST https://example.com/api.php \
  -H "Content-Type: application/json" \
  -d '{
    "Command": "subscribers.get",
    "SessionID": "your-session-id",
    "SubscriberListID": 123,
    "SubscriberSegment": "Active",
    "RecordsPerRequest": 50,
    "RecordsFrom": 0,
    "OrderField": "SubscriptionDate",
    "OrderType": "DESC"
  }'

Success Response

{
  "Success": true,
  "ErrorCode": 0,
  "ErrorText": "",
  "Subscribers": [
    {
      "SubscriberID": 456,
      "EmailAddress": "user@example.com",
      "SubscriptionStatus": "Subscribed",
      "SubscriptionDate": "2025-01-01 12:00:00"
    }
  ],
  "TotalSubscribers": 1500
}

Error Response

{
  "Success": false,
  "ErrorCode": 1
}

Error Codes

0: Success
1: Missing SubscriberListID parameter
2: Missing SubscriberSegment parameter
3: Invalid ListID or list does not belong to user

Update a Subscriber

POST /api.php

API Usage Notes

• Authentication required: User API Key or Subscriber session
• Required permissions: Subscriber.Update
• Legacy endpoint access via /api.php only (no v1 REST alias configured)

Request Body Parameters:

Parameter	Type	Required	Description
Command	String	Yes	API command: subscriber.update
SessionID	String	No	Session ID obtained from login
APIKey	String	No	API key for authentication
SubscriberID	Integer	Yes	ID of the subscriber
SubscriberListID	Integer	Yes	ID of the subscriber list
EmailAddress	String	No	New email address
SubscriptionStatus	String	No	New status: Opt-In Pending, Subscribed, Opt-Out Pending, Unsubscribed
UnsubscriptionIP	String	No	IP address for unsubscription
UnsubscriptionDate	String	No	Date for unsubscription (Y-m-d H:i:s)
BounceType	String	No	Bounce type: Not Bounced, Soft, Hard
Fields	Object	No	Custom field values (CustomFieldID: value)
IgnoreAllOtherCustomFieldsExceptGivenOnes	Boolean	No	Only update specified fields (default: false)
TriggerEvents	Boolean	No	Trigger journey events (default: true)

Example Request

curl -X POST https://example.com/api.php \
  -H "Content-Type: application/json" \
  -d '{
    "Command": "subscriber.update",
    "SessionID": "your-session-id",
    "SubscriberID": 456,
    "SubscriberListID": 123,
    "EmailAddress": "newemail@example.com",
    "Fields": {
      "CustomField1": "Updated Value"
    }
  }'

Success Response

{
  "Success": true,
  "ErrorCode": 0,
  "ErrorText": ""
}

Error Response

{
  "Success": false,
  "ErrorCode": 1
}

Error Codes

0: Success
1: Missing SubscriberID parameter
2: Missing SubscriberListID parameter
3: Missing EmailAddress parameter
4: Invalid EmailAddress
5: Invalid ListID
6: Subscriber not found
7: Duplicate EmailAddress
8: Required custom field missing
9: Custom field value is not unique
10: Invalid custom field value

Get a Subscriber

POST /api.php

API Usage Notes

• Authentication required: User API Key or Subscriber session
• Required permissions: Subscribers.Get
• Rate limit: 100 requests per 60 seconds
• Legacy endpoint access via /api.php only (no v1 REST alias configured)

Request Body Parameters:

Parameter	Type	Required	Description
Command	String	Yes	API command: subscriber.get
SessionID	String	No	Session ID obtained from login
APIKey	String	No	API key for authentication
ListID	Integer	Yes	ID of the subscriber list
EmailAddress	String	Conditional	Email address (required if SubscriberID not provided)
SubscriberID	Integer	Conditional	Subscriber ID (required if EmailAddress not provided)
IncludeJourneys	Boolean	No	Include journey data (default: true)
IncludeEvents	Boolean	No	Include website events (default: true)
IncludeActivity	Boolean	No	Include activity log (default: true)
IncludeRevenue	Boolean	No	Include revenue data (default: true)
IncludeTags	Boolean	No	Include tags (default: true)
IncludeSegments	Boolean	No	Include segments (default: true)

Example Request

curl -X POST https://example.com/api.php \
  -H "Content-Type: application/json" \
  -d '{
    "Command": "subscriber.get",
    "SessionID": "your-session-id",
    "ListID": 123,
    "EmailAddress": "user@example.com",
    "IncludeJourneys": true,
    "IncludeEvents": true
  }'

Success Response

{
  "Success": true,
  "ErrorCode": 0,
  "SubscriberInformation": {
    "SubscriberID": 456,
    "EmailAddress": "user@example.com",
    "SubscriptionStatus": "Subscribed",
    "SubscriptionDate": "2025-01-01 12:00:00"
  },
  "Suppressed": false,
  "SubscriberTags": [
    {
      "TagID": 1,
      "TagName": "VIP"
    }
  ],
  "SubscriberSegments": [],
  "SubscriberJourneys": [],
  "SubscriberWebsiteEvents": [],
  "SubscriberActivity": [],
  "TotalRevenue": 0
}

Error Response

{
  "Success": false,
  "ErrorCode": [1]
}

Error Codes

0: Success
1: Missing EmailAddress/SubscriberID parameter
2: Missing ListID parameter
3: Subscriber not found
4: Invalid ListID
429: Too many requests (rate limit exceeded)

Get Subscriber Activity

POST /api.php

API Usage Notes

• Authentication required: User API Key or Subscriber session
• Required permissions: Subscribers.Get
• Legacy endpoint access via /api.php only (no v1 REST alias configured)

Request Body Parameters:

Parameter	Type	Required	Description
Command	String	Yes	API command: subscriber.get.activity
SessionID	String	No	Session ID obtained from login
APIKey	String	No	API key for authentication
SubscriberID	Integer	Yes	ID of the subscriber
SubscriberListID	Integer	Yes	ID of the subscriber list

Example Request

curl -X POST https://example.com/api.php \
  -H "Content-Type: application/json" \
  -d '{
    "Command": "subscriber.get.activity",
    "SessionID": "your-session-id",
    "SubscriberID": 456,
    "SubscriberListID": 123
  }'

Success Response

{
  "Success": true,
  "ErrorCode": 0,
  "Activity": [
    {
      "ActivityType": "EmailOpen",
      "CampaignID": 789,
      "EmailID": 101,
      "ActivityDate": "2025-01-15 10:30:00"
    }
  ]
}

Error Response

{
  "Success": false,
  "ErrorCode": 1
}

Error Codes

0: Success
1: Missing SubscriberID parameter
2: Missing SubscriberListID parameter
3: Subscriber not found

Check if Subscriber Exists

POST /api.php

API Usage Notes

• Authentication required: User API Key
• Required permissions: Subscribers.Get
• Legacy endpoint access via /api.php only (no v1 REST alias configured)

Request Body Parameters:

Parameter	Type	Required	Description
Command	String	Yes	API command: subscriber.exists
SessionID	String	No	Session ID obtained from login
APIKey	String	No	API key for authentication
ListID	Integer	Yes	ID of the subscriber list
EmailAddress	String	Yes	Email address to check

Example Request

curl -X POST https://example.com/api.php \
  -H "Content-Type: application/json" \
  -d '{
    "Command": "subscriber.exists",
    "SessionID": "your-session-id",
    "ListID": 123,
    "EmailAddress": "user@example.com"
  }'

Success Response

{
  "Success": true,
  "ErrorCode": 0,
  "Exists": true,
  "SubscriberID": 456
}

Error Response

{
  "Success": false,
  "ErrorCode": 1
}

Error Codes

0: Success
1: Missing ListID parameter
2: Missing EmailAddress parameter
3: Invalid ListID

Get Subscriber Lists

POST /api.php

API Usage Notes

• Authentication required: Subscriber session
• Legacy endpoint access via /api.php only (no v1 REST alias configured)

Request Body Parameters:

Parameter	Type	Required	Description
Command	String	Yes	API command: subscriber.getlists
SessionID	String	Yes	Subscriber session ID

Example Request

curl -X POST https://example.com/api.php \
  -H "Content-Type: application/json" \
  -d '{
    "Command": "subscriber.getlists",
    "SessionID": "subscriber-session-id"
  }'

Success Response

{
  "Success": true,
  "ErrorCode": 0,
  "Lists": [
    {
      "ListID": 123,
      "ListName": "Newsletter",
      "SubscriptionStatus": "Subscribed"
    }
  ]
}

Error Response

{
  "Success": false,
  "ErrorCode": 1
}

Error Codes

0: Success
1: Authentication failure or session expired

Subscriber Login

POST /api.php

API Usage Notes

• No authentication required
• Legacy endpoint access via /api.php only (no v1 REST alias configured)

Request Body Parameters:

Parameter	Type	Required	Description
Command	String	Yes	API command: subscriber.login
ListID	Integer	Yes	ID of the subscriber list
EmailAddress	String	Yes	Email address of the subscriber

Example Request

curl -X POST https://example.com/api.php \
  -H "Content-Type: application/json" \
  -d '{
    "Command": "subscriber.login",
    "ListID": 123,
    "EmailAddress": "user@example.com"
  }'

Success Response

{
  "Success": true,
  "ErrorCode": 0,
  "SessionID": "subscriber-session-id",
  "SubscriberInformation": {
    "SubscriberID": 456,
    "EmailAddress": "user@example.com",
    "SubscriptionStatus": "Subscribed"
  }
}

Error Response

{
  "Success": false,
  "ErrorCode": 1
}

Error Codes

0: Success
1: Missing ListID parameter
2: Missing EmailAddress parameter
3: Invalid EmailAddress
4: Subscriber not found

Confirm Opt-In

POST /api.php

API Usage Notes

• No authentication required
• Legacy endpoint access via /api.php only (no v1 REST alias configured)

Request Body Parameters:

Parameter	Type	Required	Description
Command	String	Yes	API command: subscriber.optin
ListID	Integer	Yes	ID of the subscriber list
SubscriberID	Integer	Yes	ID of the subscriber
ConfirmationCode	String	Yes	Opt-in confirmation code

Example Request

curl -X POST https://example.com/api.php \
  -H "Content-Type: application/json" \
  -d '{
    "Command": "subscriber.optin",
    "ListID": 123,
    "SubscriberID": 456,
    "ConfirmationCode": "abc123def456"
  }'

Success Response

{
  "Success": true,
  "ErrorCode": 0,
  "RedirectURL": "https://example.com/welcome"
}

Error Response

{
  "Success": false,
  "ErrorCode": 1
}

Error Codes

0: Success
1: Missing ListID parameter
2: Missing SubscriberID parameter
3: Missing ConfirmationCode parameter
4: Invalid confirmation code
5: Subscriber not found

Tag a Subscriber

POST /api.php

API Usage Notes

• Authentication required: User API Key
• Required permissions: Subscriber.Update
• Legacy endpoint access via /api.php only (no v1 REST alias configured)

Request Body Parameters:

Parameter	Type	Required	Description
Command	String	Yes	API command: subscriber.tag
SessionID	String	No	Session ID obtained from login
APIKey	String	No	API key for authentication
ListID	Integer	Yes	ID of the subscriber list
SubscriberID	Integer	Yes	ID of the subscriber
TagID	Integer	Yes	ID of the tag to apply

Example Request

curl -X POST https://example.com/api.php \
  -H "Content-Type: application/json" \
  -d '{
    "Command": "subscriber.tag",
    "SessionID": "your-session-id",
    "ListID": 123,
    "SubscriberID": 456,
    "TagID": 789
  }'

Success Response

{
  "Success": true,
  "ErrorCode": 0
}

Error Response

{
  "Success": false,
  "ErrorCode": 1
}

Error Codes

0: Success
1: Missing ListID parameter
2: Missing SubscriberID parameter
3: Missing TagID parameter
4: Invalid ListID
5: Invalid TagID
6: Subscriber not found

Untag a Subscriber

POST /api.php

API Usage Notes

• Authentication required: User API Key
• Required permissions: Subscriber.Update
• Legacy endpoint access via /api.php only (no v1 REST alias configured)

Request Body Parameters:

Parameter	Type	Required	Description
Command	String	Yes	API command: subscriber.untag
SessionID	String	No	Session ID obtained from login
APIKey	String	No	API key for authentication
ListID	Integer	Yes	ID of the subscriber list
SubscriberID	Integer	Yes	ID of the subscriber
TagID	Integer	Yes	ID of the tag to remove

Example Request

curl -X POST https://example.com/api.php \
  -H "Content-Type: application/json" \
  -d '{
    "Command": "subscriber.untag",
    "SessionID": "your-session-id",
    "ListID": 123,
    "SubscriberID": 456,
    "TagID": 789
  }'

Success Response

{
  "Success": true,
  "ErrorCode": 0
}

Error Response

{
  "Success": false,
  "ErrorCode": 1
}

Error Codes

0: Success
1: Missing ListID parameter
2: Missing SubscriberID parameter
3: Missing TagID parameter
4: Invalid ListID
5: Invalid TagID
6: Subscriber not found

Create a Subscriber Tag

POST /api.php

API Usage Notes

• Authentication required: User API Key
• Required permissions: List.Update
• Legacy endpoint access via /api.php only (no v1 REST alias configured)

Request Body Parameters:

Parameter	Type	Required	Description
Command	String	Yes	API command: subscriber.tags.create
SessionID	String	No	Session ID obtained from login
APIKey	String	No	API key for authentication
ListID	Integer	Yes	ID of the subscriber list
TagName	String	Yes	Name of the tag
TagDescription	String	No	Description of the tag

Example Request

curl -X POST https://example.com/api.php \
  -H "Content-Type: application/json" \
  -d '{
    "Command": "subscriber.tags.create",
    "SessionID": "your-session-id",
    "ListID": 123,
    "TagName": "VIP Customer",
    "TagDescription": "High-value customers"
  }'

Success Response

{
  "Success": true,
  "ErrorCode": 0,
  "TagID": 789
}

Error Response

{
  "Success": false,
  "ErrorCode": 1
}

Error Codes

0: Success
1: Missing ListID parameter
2: Missing TagName parameter
3: Invalid ListID
4: Tag name already exists

Update a Subscriber Tag

POST /api.php

API Usage Notes

• Authentication required: User API Key
• Required permissions: List.Update
• Legacy endpoint access via /api.php only (no v1 REST alias configured)

Request Body Parameters:

Parameter	Type	Required	Description
Command	String	Yes	API command: subscriber.tags.update
SessionID	String	No	Session ID obtained from login
APIKey	String	No	API key for authentication
ListID	Integer	Yes	ID of the subscriber list
TagID	Integer	Yes	ID of the tag
TagName	String	No	New name of the tag
TagDescription	String	No	New description of the tag

Example Request

curl -X POST https://example.com/api.php \
  -H "Content-Type: application/json" \
  -d '{
    "Command": "subscriber.tags.update",
    "SessionID": "your-session-id",
    "ListID": 123,
    "TagID": 789,
    "TagName": "Premium Customer"
  }'

Success Response

{
  "Success": true,
  "ErrorCode": 0
}

Error Response

{
  "Success": false,
  "ErrorCode": 1
}

Error Codes

0: Success
1: Missing ListID parameter
2: Missing TagID parameter
3: Invalid ListID
4: Invalid TagID
5: Tag name already exists

Get Subscriber Tags

POST /api.php

API Usage Notes

• Authentication required: User API Key
• Required permissions: List.Update
• Legacy endpoint access via /api.php only (no v1 REST alias configured)

Request Body Parameters:

Parameter	Type	Required	Description
Command	String	Yes	API command: subscriber.tags.get
SessionID	String	No	Session ID obtained from login
APIKey	String	No	API key for authentication
ListID	Integer	Yes	ID of the subscriber list

Example Request

curl -X POST https://example.com/api.php \
  -H "Content-Type: application/json" \
  -d '{
    "Command": "subscriber.tags.get",
    "SessionID": "your-session-id",
    "ListID": 123
  }'

Success Response

{
  "Success": true,
  "ErrorCode": 0,
  "Tags": [
    {
      "TagID": 789,
      "TagName": "VIP Customer",
      "TagDescription": "High-value customers",
      "SubscriberCount": 50
    }
  ]
}

Error Response

{
  "Success": false,
  "ErrorCode": 1
}

Error Codes

0: Success
1: Missing ListID parameter
2: Invalid ListID

Delete a Subscriber Tag

POST /api.php

API Usage Notes

• Authentication required: User API Key
• Required permissions: List.Update
• Legacy endpoint access via /api.php only (no v1 REST alias configured)

Request Body Parameters:

Parameter	Type	Required	Description
Command	String	Yes	API command: subscriber.tags.delete
SessionID	String	No	Session ID obtained from login
APIKey	String	No	API key for authentication
ListID	Integer	Yes	ID of the subscriber list
TagID	Integer	Yes	ID of the tag to delete

Example Request

curl -X POST https://example.com/api.php \
  -H "Content-Type: application/json" \
  -d '{
    "Command": "subscriber.tags.delete",
    "SessionID": "your-session-id",
    "ListID": 123,
    "TagID": 789
  }'

Success Response

{
  "Success": true,
  "ErrorCode": 0
}

Error Response

{
  "Success": false,
  "ErrorCode": 1
}

Error Codes

0: Success
1: Missing ListID parameter
2: Missing TagID parameter
3: Invalid ListID
4: Invalid TagID

Trigger Journey for Subscriber

POST /api/v1/subscriber.journey.trigger

API Usage Notes

• Authentication required: User API Key
• Required permissions: Campaign.Create
• Rate limit: 100 requests per 60 seconds
• Legacy endpoint access via /api.php is also supported

Request Body Parameters:

Parameter	Type	Required	Description
Command	String	Yes	API command: subscriber.journey.trigger
SessionID	String	No	Session ID obtained from login
APIKey	String	No	API key for authentication
ListID	Integer	Yes	ID of the subscriber list
SubscriberID	Integer	Yes	ID of the subscriber
JourneyID	Integer	Yes	ID of the journey to trigger

Example Request

curl -X POST https://example.com/api/v1/subscriber.journey.trigger \
  -H "Content-Type: application/json" \
  -d '{
    "Command": "subscriber.journey.trigger",
    "SessionID": "your-session-id",
    "ListID": 123,
    "SubscriberID": 456,
    "JourneyID": 789
  }'

Success Response

{
  "Success": true,
  "ErrorCode": 0
}

Error Response

{
  "Success": false,
  "ErrorCode": 1
}

Error Codes

0: Success
1: Missing ListID parameter
2: Missing SubscriberID parameter
3: Missing JourneyID parameter
4: Invalid ListID
5: Invalid SubscriberID
6: Invalid JourneyID

Remove Subscriber from Journey

POST /api/v1/subscriber.journey.remove

API Usage Notes

• Authentication required: User API Key
• Required permissions: Campaign.Create
• Rate limit: 100 requests per 60 seconds
• Legacy endpoint access via /api.php is also supported

Request Body Parameters:

Parameter	Type	Required	Description
Command	String	Yes	API command: subscriber.journey.remove
SessionID	String	No	Session ID obtained from login
APIKey	String	No	API key for authentication
ListID	Integer	Yes	ID of the subscriber list
SubscriberID	Integer	Yes	ID of the subscriber
JourneyID	Integer	Yes	ID of the journey

Example Request

curl -X POST https://example.com/api/v1/subscriber.journey.remove \
  -H "Content-Type: application/json" \
  -d '{
    "Command": "subscriber.journey.remove",
    "SessionID": "your-session-id",
    "ListID": 123,
    "SubscriberID": 456,
    "JourneyID": 789
  }'

Success Response

{
  "Success": true,
  "ErrorCode": 0
}

Error Response

{
  "Success": false,
  "ErrorCode": 1
}

Error Codes

0: Success
1: Missing ListID parameter
2: Missing SubscriberID parameter
3: Missing JourneyID parameter
4: Invalid ListID
5: Invalid SubscriberID
6: Invalid JourneyID

Exit Subscriber from Journey

POST /api/v1/subscriber.journey.exit

API Usage Notes

• Authentication required: User API Key
• Required permissions: Campaign.Create
• Rate limit: 100 requests per 60 seconds
• Legacy endpoint access via /api.php is also supported

Request Body Parameters:

Parameter	Type	Required	Description
Command	String	Yes	API command: subscriber.journey.exit
SessionID	String	No	Session ID obtained from login
APIKey	String	No	API key for authentication
ListID	Integer	Yes	ID of the subscriber list
SubscriberID	Integer	Yes	ID of the subscriber
JourneyID	Integer	Yes	ID of the journey

Example Request

curl -X POST https://example.com/api/v1/subscriber.journey.exit \
  -H "Content-Type: application/json" \
  -d '{
    "Command": "subscriber.journey.exit",
    "SessionID": "your-session-id",
    "ListID": 123,
    "SubscriberID": 456,
    "JourneyID": 789
  }'

Success Response

{
  "Success": true,
  "ErrorCode": 0
}

Error Response

{
  "Success": false,
  "ErrorCode": 1
}

Error Codes

0: Success
1: Missing ListID parameter
2: Missing SubscriberID parameter
3: Missing JourneyID parameter
4: Invalid ListID
5: Invalid SubscriberID
6: Invalid JourneyID

List Subscriber Journeys

POST /api/v1/subscriber.journey.list

API Usage Notes

• Authentication required: User API Key
• Required permissions: Campaign.Create
• Rate limit: 100 requests per 60 seconds
• Legacy endpoint access via /api.php is also supported

Request Body Parameters:

Parameter	Type	Required	Description
Command	String	Yes	API command: subscriber.journey.list
SessionID	String	No	Session ID obtained from login
APIKey	String	No	API key for authentication
ListID	Integer	Yes	ID of the subscriber list
SubscriberID	Integer	Yes	ID of the subscriber

Example Request

curl -X POST https://example.com/api/v1/subscriber.journey.list \
  -H "Content-Type: application/json" \
  -d '{
    "Command": "subscriber.journey.list",
    "SessionID": "your-session-id",
    "ListID": 123,
    "SubscriberID": 456
  }'

Success Response

{
  "Success": true,
  "ErrorCode": 0,
  "Journeys": [
    {
      "JourneyID": 789,
      "JourneyName": "Welcome Series",
      "Status": "Active",
      "JoinedAt": "2025-01-01 12:00:00"
    }
  ]
}

Error Response

{
  "Success": false,
  "ErrorCode": 1
}

Error Codes

0: Success
1: Missing ListID parameter
2: Missing SubscriberID parameter
3: Invalid ListID
4: Invalid SubscriberID