---
title: "Add Messages"
method: POST
path: "/threads/{thread_id}/messages"
tags: ["assistants"]
---

# Add Messages

`POST /threads/{thread_id}/messages`

Create a message.

API Reference - https://platform.openai.com/docs/api-reference/messages/createMessage

## Path parameters

- `thread_id` string, required

## Response `200`

Successful Response

- unknown

## Other responses

- `422` — Validation Error

---

[API](https://skmtc.net/sea-lion/apis/litellm-api.md) · [All operations](https://skmtc.net/sea-lion/apis/litellm-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/sea-lion/litellm-api/revisions/79928a3d37d3/schema)