Note

📘
Make sure communication channels like Mobile and Email are configured in InTouch for subscription.

Example request

curl --location 'https://eu.api.capillarytech.com/v1.1/customer/subscriptions?format=json' \
--header 'Content-Type: application/json' \
--header 'Authorization: Basic =' \
--header 'Cookie: _cfuvid=iH5ZoGjh2NaRGTbIMaIYS6zsemu6jtA_Dya0VMkpL3c-1757338223833-0.0.1.1-604800000' \
--data-raw '{
  "root": {
    "subscription": [
      {
        "email": "rutuja.hatwar@capillarytech.com",
        "priority": "bulk",
        "scope": "all",
        "channel": "email",
        "is_subscribed": "1"
      },
      {
        "email": "rutuja.hatwar@capillarytech.com",
        "priority": "bulk",
        "scope": "all",
        "channel": "sms",
        "is_subscribed": "0"
      }
    ]
  }
}'

API Endpoint Example

curl --location 'https://eu.api.capillarytech.com/v2/customers/565039505/subscriptions?format=json' \
--header 'accept: application/json' \
--header 'content-type: application/json' \
--header 'Authorization: Basic dGpfY2FwaWxsYXJ5OjVjMTc3MDJlOTI5NjQ4MjUzZTY3ZDJiMGM2ZTk5ZjE5' \
--header 'Cookie: _cfuvid=ELP_n3u8qC1Vt2z0yryFjifRT6N.CVONHAt3Fse0zsQ-1750659660819-0.0.1.1-604800000; _cfuvid=Xlu0xR4rWHodl7BXGQjSJ88NKmFp2TybTHNUzeYcwfs-1750676916066-0.0.1.1-604800000' \
--data '
{
  "communicationId": -1,
  "campaignId": -1,
  "reason": "This is V2 subscription api",
  "scope": {
    "scope": "USER",
    "subScope": "NONE"
  },
  "subscriptions": [
    {
      "channel": "EMAIL",
      "priority": "BULK",
      "type": "OPTOUT",
      "orgUnitId": 200031782,
      "sourceName": "FACEBOOK",
      "accountId": "01"
    },
    {
      "channel": "MOBILE",
      "accountId": "01",
      "priority": "BULK",
      "type": "OPTIN",
      "orgUnitId": 200031782,
      "sourceName": "FACEBOOK"
    },
    {
      "channel": "EMAIL",
      "accountId": "01",
      "priority": "TRANS",
      "type": "OPTIN",
      "orgUnitId": 200031782,
      "sourceName": "FACEBOOK"
    },
    {
      "channel": "MOBILE",
      "accountId": "01",
      "priority": "TANS",
      "type": "OPTOUT",
      "orgUnitId": 200031782,
      "sourceName": "FACEBOOK"
    }
  ]
}
'

Prerequisites

Basic Authentication
Default access group

Resource information

URI	v1.1/customer/subscriptions
HTTP method	POST
Authentication	Basic
Pagination supported?	No
Rate limit	Yes
Batch support	No

Request Body Parameters

Parameter	Datatype	Description
mobile/email/external_id/id*	string	Provide any of the customer identifiers to update subscription details.
priority*	enum	Specify the service that you want to update. Value: `TRANS` for personalized messages, and `BULK` for campaign or promotional messages.
scope	enum	Set the scope to 'all' always.
channel*	enum	Pass the communication channel that you want to update. Value: `sms`, `email`.
is_subscribed*	enum	Specify `0` to unsubscribe, `1` to subscribe.

Response parameters

Field	Type	Description
response	Object	Top-level wrapper for status and subscription results.
status	Object	Overall API execution status.
success	boolean/string	Whether the request succeeded (may be "true"/"false" as strings).
code	integer	HTTP-like status code (e.g., 200).
message	string	Human-readable status message.
total	integer	Total number of items processed/returned.
success_count	integer	Number of items successfully processed.
subscriptions	Object	Container for subscription records.
subscription	Array of objects	List of subscription results, one per channel/scope.
user_id	string	Internal user identifier.
mobile	string	MSISDN in country code format (e.g., "91xxxxxxxxxx").
email	string	Email address of the user.
channel	string	Communication channel (e.g., "EMAIL", "SMS").
priority	string	Message priority/category (e.g., "BULK").
scope	string	Subscription scope (e.g., "ALL").
is_subscribed	integer	Subscription flag per channel/scope (1/0 or "1"/"0").
item_status	Object	Per-item operation status.
code	integer	Item-level status/result code (e.g., "1000").
message	string	Item-level status message.
success	boolean	Whether the item operation succeeded.

Error codes

Code	Description
201	Some requests have failed due to errors.
400	Bad Request. The request is malformed or missing required parameters (e.g., invalid format).
401	Unauthorized. Authentication failed or the user lacks valid credentials.
500	Internal Server Error. An unexpected server error occurred.