Send a message

Send a direct message to a customer via email, SMS, or WhatsApp

Related endpoints

• GET /comms/threads — List conversation threads
• GET /comms/threads/{threadId}/messages — List messages in a thread

Common errors

• 400 invalid_request — malformed payload or failed validation.

Idempotency

Pass an Idempotency-Key header (UUID v4 recommended) to make retries safe. Keys are valid for 24 hours; see the idempotency guide.

curl -X POST "https://api.revkeen.com/v2/comms/send" \  -H "x-api-key: $REVKEEN_API_KEY" \  -H "Content-Type: application/json" \  -d '{    "channel": "email",    "body": "string"  }'

{
  "success": true,
  "conversationId": "ee6e55e8-45fe-4a3e-9bc8-4669f9fdf77a",
  "messageId": "8540d774-4863-4d2b-b788-4ecb19412e85",
  "notificationId": "2d591c23-85b1-4e8c-a6bd-74d89f8955c5",
  "customerId": "87d8e330-2878-4742-a86f-dbbb3bf522ac"
}

{
  "error": "string"
}