---
title: "Creates a comment for a sender in project"
method: POST
path: "/v1/projects/{projectId}/rcs/senders/{senderId}/comments"
tags: ["RCS Senders"]
---

# Creates a comment for a sender in project

`POST /v1/projects/{projectId}/rcs/senders/{senderId}/comments`

## Request

- Base URL: `https://provisioning.api.sinch.com`
- URL: `https://provisioning.api.sinch.com/v1/projects/{projectId}/rcs/senders/{senderId}/comments`
- Auth: HTTP basic and HTTP bearer and OAuth 2
  - Client credentials
  - Token URL: `https://auth.sinch.com/oauth2/token`

Creates a comment for a sender in project.

## Path parameters

- `projectId` string, required
- `senderId` string, required

## Request body

- RcsCommentInputDto
  - `comment` string, required

## Response `201`

Created comment for a sender in project

- RcsCommentDto
  - `type` 'CREATED', required
  - `comment` string, required
  - `created` string

## Other responses

- `400`: BadRequest
- `401`: Unauthorized
- `404`: NotFound
- `500`: InternalServerError

## Changes

> 17 revisions in range; 1 not diffed.

- **2026-09-01** `c6a937922d10`: 6 breaking, 18 info
  - the response's body type changed from no type to `object` for status `400`
  - the response's body type changed from no type to `object` for status `401`
  - the response's body type changed from no type to `object` for status `404`
  - the response's body type changed from no type to `object` for status `500`
  - …20 more
- **2026-08-18** `c78a716de420`: 1 info
  - api operation id `SendersController_createSenderComment_v1` removed and replaced with `RcsSendersController_createSenderComment_v1`

[Operation history](https://skmtc.dev/sinch/apis/provisioning-api/changes/v1/projects/:projectId/rcs/senders/:senderId/comments/post.md)

---

[API](https://skmtc.dev/sinch/apis/provisioning-api.md) - [All operations](https://skmtc.dev/sinch/apis/provisioning-api/llms.txt) - [OpenAPI document](https://skmtc.dev/sinch/apis/provisioning-api/revisions/90d78b3a8575?raw)