---
title: "POST /agent-attachments/createMessageAttachmentSync"
method: POST
path: "/agent-attachments/createMessageAttachmentSync"
tags: ["Agent Attachments"]
---

# POST /agent-attachments/createMessageAttachmentSync

`POST /agent-attachments/createMessageAttachmentSync`

## Query parameters

- `projectId` string, required
- `agentId` string, required
- `messageId` string, required

## Response `201`

- object

## Changes

- **2023-10-06** `e2804d31bbdb` — 1 info
  - added the media type `application/json` for the response with the status `201`
- **2023-10-02** `33e4b08266a3` — 1 info
  - endpoint added

[Change history](https://skmtc.dev/agentlabs-dev/apis/agentlabs-api/changes/agent-attachments/createMessageAttachmentSync/post.md)

---

[API](https://skmtc.dev/agentlabs-dev/apis/agentlabs-api.md) · [All operations](https://skmtc.dev/agentlabs-dev/apis/agentlabs-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/agentlabs-dev/agentlabs-api/revisions/b5097dd2e6b8/schema)