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- [Authentication](/docs/ai-gateway/authentication-and-byok/authentication.md): To use the AI Gateway, you need to authenticate your requests. There are two authentication methods available1. API Key AuthenticationCreate and
- [Authentication & BYOK](/docs/ai-gateway/authentication-and-byok.md): Every request to AI Gateway requires authentication. Vercel provides two methodsAPI keys and OIDC tokens. You can also bring your own provider
- [Authentication](#authentication)[](/docs/ai-gateway/sdks-and-apis/ai-sdk.md): The AI SDK uses the AI_GATEWAY_API_KEY environment variable by default. Set it in your .env.local file.env.local
- [Python](/docs/ai-gateway/sdks-and-apis/python.md): To get started with Python and AI Gateway, you can either call the OpenAI Chat Completions, OpenAI Responses, or Anthropic Messages API directly, or
- [Anthropic Messages API](/docs/ai-gateway/sdks-and-apis/anthropic-messages-api.md): AI Gateway provides Anthropic Messages API endpoints, so you can use the Anthropic SDK and tools like Claude Code through a unified gateway with only

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