Flow AI

Developer REST API & message dispatch

Send messages and sync contacts programmatically from your software.

API authentication

Generate a Bearer token in Settings → Developer API. Include this token in the Authorization header of all HTTP requests.

Sending a text message

POST /api/v1/messages/send
Authorization: Bearer YOUR_API_TOKEN
Content-Type: application/json

{
  "to": "+12025550147",
  "type": "text",
  "text": "Hello Jane, your order has shipped!"
}

Sending an approved template

POST /api/v1/messages/template
Authorization: Bearer YOUR_API_TOKEN
Content-Type: application/json

{
  "to": "+12025550147",
  "template_name": "order_update",
  "language": "en",
  "parameters": ["Jane", "ORD-8491"]
}