# Cross-link map: Anthropic Messages API with AI Gateway (/docs/ai-gateway/sdks-and-apis/anthropic-messages-api)

> From the Vercel docs graph (built 2026-10-03T05:30:18.930Z), spanning vercel.com docs + KB, nextjs.org, ai-sdk.dev, and other Vercel documentation sites. Full graph as JSON: https://vercel.com/docs/graph.json

## Semantically closest pages

- [Claude Code and Claude Agent SDK with AI Gateway](https://vercel.com/docs/ai-gateway/coding-agents/claude-code?from=graph&source_path=%2Fdocs%2Fai-gateway%2Fsdks-and-apis%2Fanthropic-messages-api&source_site=vercel-docs&relationship=semantic) — Connect Claude Code to AI Gateway with one CLI command, or configure it manually.
- [Anthropic Messages Configuration with AI Gateway](https://vercel.com/docs/ai-gateway/sdks-and-apis/anthropic-messages-api/advanced?from=graph&source_path=%2Fdocs%2Fai-gateway%2Fsdks-and-apis%2Fanthropic-messages-api&source_site=vercel-docs&relationship=semantic) — Advanced Anthropic API features including web search, provider timeouts, and automatic caching through AI Gateway.
- [Anthropic Messages Streaming with AI Gateway](https://vercel.com/docs/ai-gateway/sdks-and-apis/anthropic-messages-api/streaming?from=graph&source_path=%2Fdocs%2Fai-gateway%2Fsdks-and-apis%2Fanthropic-messages-api&source_site=vercel-docs&relationship=semantic) — Stream Anthropic Messages API responses token by token as they are generated through AI Gateway.
- [AI Gateway SDKs and APIs](https://vercel.com/docs/ai-gateway/sdks-and-apis?from=graph&source_path=%2Fdocs%2Fai-gateway%2Fsdks-and-apis%2Fanthropic-messages-api&source_site=vercel-docs&relationship=semantic) — Connect to AI Gateway with the AI SDK, Python, REST, or compatible OpenAI, Anthropic Messages, OpenResponses, and Cohere
- [Python with AI Gateway: OpenAI and Anthropic SDKs](https://vercel.com/docs/ai-gateway/sdks-and-apis/python?from=graph&source_path=%2Fdocs%2Fai-gateway%2Fsdks-and-apis%2Fanthropic-messages-api&source_site=vercel-docs&relationship=semantic) — Use AI Gateway with Python through OpenAI or Anthropic SDKs with full streaming, tool calling, and async support.

## Prerequisites

- [AI Gateway](https://vercel.com/docs/agent-resources/vercel-mcp/tools/ai-gateway?from=graph&source_path=%2Fdocs%2Fai-gateway%2Fsdks-and-apis%2Fanthropic-messages-api&source_site=vercel-docs&relationship=prerequisite) — Vercel MCP tools for ai gateway.

## This page links to (10)

- [AI Gateway Authentication and BYOK](https://vercel.com/docs/ai-gateway/authentication-and-byok?from=graph&source_path=%2Fdocs%2Fai-gateway%2Fsdks-and-apis%2Fanthropic-messages-api&source_site=vercel-docs&relationship=outbound) — Authenticate AI Gateway requests with API keys or OIDC tokens, and configure bring your own key \\(BYOK\\) credentials for
- [Claude Code and Claude Agent SDK with AI Gateway](https://vercel.com/docs/ai-gateway/coding-agents/claude-code?from=graph&source_path=%2Fdocs%2Fai-gateway%2Fsdks-and-apis%2Fanthropic-messages-api&source_site=vercel-docs&relationship=outbound) — Connect Claude Code to AI Gateway with one CLI command, or configure it manually.
- [AI Gateway Provider Routing and Fallbacks](https://vercel.com/docs/ai-gateway/models-and-providers/provider-options?from=graph&source_path=%2Fdocs%2Fai-gateway%2Fsdks-and-apis%2Fanthropic-messages-api&source_site=vercel-docs&relationship=outbound) — Configure provider routing, ordering, and fallback behavior in Vercel AI Gateway.
- [Anthropic Messages Configuration with AI Gateway](https://vercel.com/docs/ai-gateway/sdks-and-apis/anthropic-messages-api/advanced?from=graph&source_path=%2Fdocs%2Fai-gateway%2Fsdks-and-apis%2Fanthropic-messages-api&source_site=vercel-docs&relationship=outbound) — Advanced Anthropic API features including web search, provider timeouts, and automatic caching through AI Gateway.
- [Anthropic Messages Images and PDFs with AI Gateway](https://vercel.com/docs/ai-gateway/sdks-and-apis/anthropic-messages-api/images?from=graph&source_path=%2Fdocs%2Fai-gateway%2Fsdks-and-apis%2Fanthropic-messages-api&source_site=vercel-docs&relationship=outbound) — Send images and PDF documents as part of your Anthropic API message requests through AI Gateway.
- [Anthropic Messages Requests with AI Gateway](https://vercel.com/docs/ai-gateway/sdks-and-apis/anthropic-messages-api/messages?from=graph&source_path=%2Fdocs%2Fai-gateway%2Fsdks-and-apis%2Fanthropic-messages-api&source_site=vercel-docs&relationship=outbound) — Create messages using the Anthropic Messages API format with support for streaming through AI Gateway.
- [Anthropic Messages Extended Thinking with AI Gateway](https://vercel.com/docs/ai-gateway/sdks-and-apis/anthropic-messages-api/reasoning?from=graph&source_path=%2Fdocs%2Fai-gateway%2Fsdks-and-apis%2Fanthropic-messages-api&source_site=vercel-docs&relationship=outbound) — Configure how much Claude thinks before answering, using the Anthropic Messages API thinking parameter through AI Gatewa
- [Anthropic Messages Streaming with AI Gateway](https://vercel.com/docs/ai-gateway/sdks-and-apis/anthropic-messages-api/streaming?from=graph&source_path=%2Fdocs%2Fai-gateway%2Fsdks-and-apis%2Fanthropic-messages-api&source_site=vercel-docs&relationship=outbound) — Stream Anthropic Messages API responses token by token as they are generated through AI Gateway.
- [Anthropic Messages Structured Outputs with AI Gateway](https://vercel.com/docs/ai-gateway/sdks-and-apis/anthropic-messages-api/structured-outputs?from=graph&source_path=%2Fdocs%2Fai-gateway%2Fsdks-and-apis%2Fanthropic-messages-api&source_site=vercel-docs&relationship=outbound) — Get JSON responses conforming to a JSON Schema from Anthropic models through AI Gateway.
- [Anthropic Messages Tool Calling with AI Gateway](https://vercel.com/docs/ai-gateway/sdks-and-apis/anthropic-messages-api/tool-calling?from=graph&source_path=%2Fdocs%2Fai-gateway%2Fsdks-and-apis%2Fanthropic-messages-api&source_site=vercel-docs&relationship=outbound) — Use function calling with the Anthropic Messages API to allow models to call tools and functions through AI Gateway.

## Pages that link here (14)

By site: vercel-changelog (4) · vercel-docs (10)

### From vercel-changelog

- [Claude Sonnet 5.5 now available on AI Gateway](https://vercel.com/changelog/claude-sonnet-5-5-now-available-on-ai-gateway?from=graph&source_path=%2Fdocs%2Fai-gateway%2Fsdks-and-apis%2Fanthropic-messages-api&source_site=vercel-docs&relationship=inbound)
- [Fast mode for Opus 4.7 available on AI Gateway](https://vercel.com/changelog/fast-mode-for-opus-4-7-available-on-ai-gateway?from=graph&source_path=%2Fdocs%2Fai-gateway%2Fsdks-and-apis%2Fanthropic-messages-api&source_site=vercel-docs&relationship=inbound)
- [Opus 4.6 Fast Mode available on AI Gateway](https://vercel.com/changelog/opus-4-6-fast-mode-available-on-ai-gateway?from=graph&source_path=%2Fdocs%2Fai-gateway%2Fsdks-and-apis%2Fanthropic-messages-api&source_site=vercel-docs&relationship=inbound)
- [Service tiers now available on AI Gateway](https://vercel.com/changelog/service-tiers-now-available-on-ai-gateway?from=graph&source_path=%2Fdocs%2Fai-gateway%2Fsdks-and-apis%2Fanthropic-messages-api&source_site=vercel-docs&relationship=inbound)

### From vercel-docs

- [Vercel AI Gateway: Models, Routing, and Observability](https://vercel.com/docs/ai-gateway?from=graph&source_path=%2Fdocs%2Fai-gateway%2Fsdks-and-apis%2Fanthropic-messages-api&source_site=vercel-docs&relationship=inbound) — Call AI models from any infrastructure through a managed gateway. Centralize credentials, request logs, spend budgets, r
- [Claude Code and Claude Agent SDK with AI Gateway](https://vercel.com/docs/ai-gateway/coding-agents/claude-code?from=graph&source_path=%2Fdocs%2Fai-gateway%2Fsdks-and-apis%2Fanthropic-messages-api&source_site=vercel-docs&relationship=inbound) — Connect Claude Code to AI Gateway with one CLI command, or configure it manually.
- [Conductor with AI Gateway](https://vercel.com/docs/ai-gateway/coding-agents/conductor?from=graph&source_path=%2Fdocs%2Fai-gateway%2Fsdks-and-apis%2Fanthropic-messages-api&source_site=vercel-docs&relationship=inbound) — Connect Conductor to AI Gateway through its Claude Code configuration. Route parallel coding agents through the Anthropi
- [Harbor with AI Gateway](https://vercel.com/docs/ai-gateway/coding-agents/harbor?from=graph&source_path=%2Fdocs%2Fai-gateway%2Fsdks-and-apis%2Fanthropic-messages-api&source_site=vercel-docs&relationship=inbound) — Evaluate coding-agent harnesses with Harbor and AI Gateway. Choose a harness, configure its connection, and pass separat
- [AI Gateway Text Generation Quickstart](https://vercel.com/docs/ai-gateway/getting-started/text?from=graph&source_path=%2Fdocs%2Fai-gateway%2Fsdks-and-apis%2Fanthropic-messages-api&source_site=vercel-docs&relationship=inbound) — Generate and stream text responses using AI Gateway.
- [AI Gateway Reasoning](https://vercel.com/docs/ai-gateway/models-and-providers/reasoning?from=graph&source_path=%2Fdocs%2Fai-gateway%2Fsdks-and-apis%2Fanthropic-messages-api&source_site=vercel-docs&relationship=inbound) — Discover model reasoning capabilities and configure effort across AI SDK, Chat Completions, Messages, and Responses with
- [AI Gateway SDKs and APIs](https://vercel.com/docs/ai-gateway/sdks-and-apis?from=graph&source_path=%2Fdocs%2Fai-gateway%2Fsdks-and-apis%2Fanthropic-messages-api&source_site=vercel-docs&relationship=inbound) — Connect to AI Gateway with the AI SDK, Python, REST, or compatible OpenAI, Anthropic Messages, OpenResponses, and Cohere
- [AI SDK with AI Gateway](https://vercel.com/docs/ai-gateway/sdks-and-apis/ai-sdk?from=graph&source_path=%2Fdocs%2Fai-gateway%2Fsdks-and-apis%2Fanthropic-messages-api&source_site=vercel-docs&relationship=inbound) — Build AI-powered TypeScript applications using the AI SDK with AI Gateway for unified access to 200+ models.
- [Python with AI Gateway: OpenAI and Anthropic SDKs](https://vercel.com/docs/ai-gateway/sdks-and-apis/python?from=graph&source_path=%2Fdocs%2Fai-gateway%2Fsdks-and-apis%2Fanthropic-messages-api&source_site=vercel-docs&relationship=inbound) — Use AI Gateway with Python through OpenAI or Anthropic SDKs with full streaming, tool calling, and async support.
- [AI Gateway REST API Reference](https://vercel.com/docs/ai-gateway/sdks-and-apis/rest-api?from=graph&source_path=%2Fdocs%2Fai-gateway%2Fsdks-and-apis%2Fanthropic-messages-api&source_site=vercel-docs&relationship=inbound) — Reference for AI Gateway REST endpoints: models, usage, generations, and reporting.