Unify Ai Send Message Example

{
  "title": "Send a message to an assistant",
  "description": "Example POST /messages request to send a user message to a Unify assistant and receive a reply.",
  "request": {
    "method": "POST",
    "url": "https://api.unify.ai/v0/messages",
    "headers": {
      "Authorization": "Bearer <UNIFY_KEY>",
      "Content-Type": "application/json"
    },
    "body": {
      "assistant_id": 42,
      "content": "What is the capital of France?",
      "role": "user"
    }
  },
  "response": {
    "status": 200,
    "body": {
      "id": 9981,
      "role": "assistant",
      "content": "The capital of France is Paris.",
      "ts": "2026-06-12T10:35:01Z"
    }
  }
}