Update a contact

Updates a contact's default channel and/or opt-out status. Inherited contacts cannot be updated.

PATCH
/v3/contacts/{id}

Path Parameters

id*string

Contact ID from route parameter

Formatuuid

Header Parameters

Idempotency-Key?string

Unique key to ensure idempotent request processing. Must be 1-255 alphanumeric characters, hyphens, or underscores. Responses are cached for 24 hours per key per customer.

Match^[a-zA-Z0-9_-]+$
Lengthlength <= 255
x-profile-id?string

Profile UUID to scope the request to a child profile. Only organization API keys can use this header. The profile must belong to the calling organization.

Formatuuid

Request Body

application/json

TypeScript Definitions

Use the request body type in TypeScript.

Response Body

application/json

application/json

application/json

application/json

curl -X PATCH "https://api.sent.dm/v3/contacts/6ba7b810-9dad-11d1-80b4-00c04fd430c8" \  -H "Idempotency-Key: req_abc123_retry1" \  -H "Content-Type: application/json" \  -d '{    "default_channel": "whatsapp",    "opt_out": false,    "sandbox": false  }'
{
  "success": true,
  "data": {
    "id": "6ba7b810-9dad-11d1-80b4-00c04fd430c8",
    "phone_number": "+1234567890",
    "format_e164": "+1234567890",
    "format_international": "+1 234-567-890",
    "format_national": "(234) 567-890",
    "format_rfc": "tel:+1-234-567-890",
    "country_code": "1",
    "region_code": "US",
    "available_channels": "sms,whatsapp",
    "default_channel": "whatsapp",
    "opt_out": false,
    "is_inherited": false,
    "created_at": "2026-02-09T21:50:50.2145484+00:00",
    "updated_at": "2026-03-11T21:50:50.2145489+00:00"
  },
  "error": null,
  "meta": {
    "request_id": "req_7X9zKp2jDw",
    "timestamp": "2026-03-11T21:50:50.2145493+00:00",
    "version": "v3"
  }
}
{
  "success": false,
  "data": null,
  "error": {
    "code": "VALIDATION_001",
    "message": "This contact is read-only and cannot be updated.",
    "details": null,
    "doc_url": "https://docs.sent.dm/errors/VALIDATION_001"
  },
  "meta": {
    "request_id": "req_7X9zKp2jDw",
    "timestamp": "2026-03-11T21:50:50.2145506+00:00",
    "version": "v3"
  }
}
Empty
Empty
{
  "success": false,
  "data": null,
  "error": {
    "code": "RESOURCE_001",
    "message": "Contact not found",
    "details": null,
    "doc_url": "https://docs.sent.dm/errors/RESOURCE_001"
  },
  "meta": {
    "request_id": "req_7X9zKp2jDw",
    "timestamp": "2026-03-11T21:50:50.2145509+00:00",
    "version": "v3"
  }
}
{
  "success": false,
  "data": null,
  "error": {
    "code": "INTERNAL_001",
    "message": "An unexpected error occurred. Please contact support with request ID: req_7X9zKp2jDw",
    "details": null,
    "doc_url": "https://docs.sent.dm/errors/INTERNAL_001"
  },
  "meta": {
    "request_id": "req_7X9zKp2jDw",
    "timestamp": "2026-03-11T21:50:50.2145512+00:00",
    "version": "v3"
  }
}