---
title: "Create a Message"
method: POST
path: "/v1/messages"
---

# Create a Message

`POST /v1/messages`

**Anthropic-compatible endpoint.**

Send a structured list of input messages with text and/or image content, and the model will generate the next message in the conversation.

The Messages API can be used for either single queries or stateless multi-turn conversations.

**Fireworks Quickstarts:**
- [Serverless Quickstart](/getting-started/quickstart)
- [Deployments Quickstart](/getting-started/ondemand-quickstart)

## Request body

- AnthropicCreateMessageParams
  - `model` unknown
  - `messages` unknown

## Response `200`

Message object.

- unknown

## Other responses

- `4XX` — Error response. See the [errors documentation](/guides/inference-error-codes) for more details.

---

[API](https://skmtc.net/fireworks/apis/fireworks-ai-anthropic-compatible-messages-api.md) · [All operations](https://skmtc.net/fireworks/apis/fireworks-ai-anthropic-compatible-messages-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/fireworks/fireworks-ai-anthropic-compatible-messages-api/versions/954d6bc5d922/schema)