University of Amsterdam [beta] Anthropic `/v1/messages` API

The [beta] Anthropic `/v1/messages` API from University of Amsterdam — 1 operation(s) for [beta] anthropic `/v1/messages`.

Operations 1

POST /v1/messages Anthropic Response #

Work with this as data

Every API here is available over the APIs.io API and to AI agents over MCP.

MCP server

One button, every client — Claude, Cursor, VS Code and the rest.

https://apis.io/mcp

Tools for apis

7 MCP tools reach this
  • find_apisBrowse and filter every API in the catalog.
  • get_api_artifactsOne API's artifacts, grouped by type.
  • get_openapiThe primary OpenAPI for this API.
  • find_similar_apisAPIs that look like this one.
  • apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
  • resolveTurn a domain, URL or GitHub org into the provider it belongs to.
  • find_cohortsEvery scored population of providers in the catalog.
All 92 tools →

Call it yourself

curl for this page
This API
curl "https://apis.io/api/v1/apis/university-of-amsterdam-beta-anthropic-v1-messages-api"
All apis
curl "https://apis.io/api/v1/apis?limit=25"

Discovery needs no key. Ratings and market analysis are Pro.

Get an API key

Free tier, no form to fill in. Signing in shares your email address with us — we store it to create your key and to recognise you if you sign in with another provider. See our Privacy Policy and Terms.

A second provider on the same verified email joins the account you already have.

OpenAPI Specification

university-of-amsterdam-beta-anthropic-v1-messages-api-openapi.yml Raw ↑
openapi: 3.2.0
info:
  title: LiteLLM [beta] Anthropic `/v1/messages` API
  description: 'Enterprise Edition


    Proxy Server to call 100+ LLMs in the OpenAI format. **Customize Swagger Docs**


    👉 ```LiteLLM Admin Panel on /ui```. Create, Edit Keys with SSO. Having issues? Try ```Fallback Login```


    💸 ```LiteLLM Model Cost Map```.


    🔎 ```LiteLLM Model Hub```. See available models on the proxy. **Docs**'
  version: 1.95.0
tags:
- name: '[beta] Anthropic `/v1/messages`'
paths:
  /v1/messages:
    post:
      tags:
      - '[beta] Anthropic `/v1/messages`'
      summary: Anthropic Response
      description: 'Use `{PROXY_BASE_URL}/anthropic/v1/messages` instead - Docs.


        This was a BETA endpoint that calls 100+ LLMs in the anthropic format.'
      operationId: anthropic_response_v1_messages_post
      responses:
        '200':
          description: Successful Response
          content:
            application/json:
              schema: {}
      security:
      - APIKeyHeader: []
components:
  securitySchemes:
    APIKeyHeader:
      type: apiKey
      description: Bearer token
      in: header
      name: x-litellm-api-key