---
title: "Send a message in a chat"
method: POST
path: "/api/v1/chats/{chat_id}/messages"
tags: ["Messaging"]
---

# Send a message in a chat

`POST /api/v1/chats/{chat_id}/messages`

Send a message to the given chat with the possibility to link some attachments.

## Path parameters

- `chat_id` string, required

## Response `201`

Created. Message sent successfully.

- object
  - `object` 'MessageSent', required
  - `message_id` union, required — The Unipile ID of the newly sent message.
    - string
    - unknown

## Other responses

- `401` — ## Unauthorized ### Disconnected account The account appears to be disconnected from the provider service. undefined
- `403` — ## Forbidden ### Feature not subscribed The requested feature has either not been subscribed or not been authenticated properly. undefined
- `404` — ## Not Found ### Resource not found. The requested resource were not found. Account, chat, thread or provider resource not found
- `415` — ## Unsupported Media Type ### Unsupported media The media has been rejected by the provider. undefined
- `422` — ## Unprocessable Entity ### Message couldn't pass validation Provider cannot execute request because of an invalid message. undefined
- `429` — ## Too Many Requests ### Too many requests The provider cannot accept any more requests at the moment. Please try again later. undefined
- `500` — ## Internal Server Error ### Unexpected error - Type: "errors/unexpected_error" Something went wrong. {{moreDetails}} ### Provider error - Type: "errors/provider_error" The provider is experiencing operational problems. Please try again later. ### Authentication intent error - Type: "errors/authentication_intent_error" The current authentication intent was killed after failure. Please start the process again from the beginning.
- `503` — ## Service Unavailable ### Network down Network is down on server side. Please wait a moment and retry. undefined
- `504` — ## Gateway Timeout ### Request timed out - Type: "errors/request_timeout" Request Timeout. Please try again, and if the issue persists, contact support.

---

[API](https://skmtc.net/unipile/apis/unipile-api-reference.md) · [All operations](https://skmtc.net/unipile/apis/unipile-api-reference/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/unipile/unipile-api-reference/revisions/3483a34061f6/schema)