---
title: "Anthropic Response"
method: POST
path: "/v1/messages"
tags: ["[beta] Anthropic `/v1/messages`"]
---

# Anthropic Response

`POST /v1/messages`

Use `{PROXY_BASE_URL}/anthropic/v1/messages` instead - [Docs](https://docs.litellm.ai/docs/pass_through/anthropic_completion).

This was a BETA endpoint that calls 100+ LLMs in the anthropic format.

## Response `200`

Successful Response

- unknown

## Changes

- **2026-09-27** `b694deb1e459` — 2 info
  - api tag `[beta] Anthropic `/v1/messages`` added
  - api tag `anthropic_passthrough` removed
- **2026-09-25** `a4fccd4bf54d` — 2 info
  - api tag `anthropic_passthrough` added
  - api tag `[beta] Anthropic `/v1/messages`` removed
- **2026-09-24** `731afbea6a1b` — 2 info
  - api tag `[beta] Anthropic `/v1/messages`` added
  - api tag `anthropic_passthrough` removed
- **2026-09-22** `c71315002afa` — 2 info
  - api tag `anthropic_passthrough` added
  - api tag `[beta] Anthropic `/v1/messages`` removed
- **2026-09-21** `6246f8d427b7` — 2 info
  - api tag `[beta] Anthropic `/v1/messages`` added
  - api tag `anthropic_passthrough` removed

[Full history](https://skmtc.dev/flock/apis/litellm-api/changes/v1/messages/post.md)

---

[API](https://skmtc.dev/flock/apis/litellm-api.md) · [All operations](https://skmtc.dev/flock/apis/litellm-api/llms.txt) · [OpenAPI document](https://skmtc.dev/flock/apis/litellm-api/revisions/b694deb1e459?raw)