Anthropic REST API Reference

Official Anthropic API reference docs (sourced from platform.claude.com).

CRITICAL: When answering API questions, grep the references/ directory for relevant keywords. Do NOT guess parameter names or response shapes.

Key References

Topic	Path
API Overview	api/overview.md
Messages API	api/messages.md, api/messages/create.md
Message Batches	api/messages/batches.md
Token Counting	api/messages/count_tokens.md
Models	api/models.md
Beta Features	api/beta.md, api/beta-headers.md
Files (Beta)	api/beta/files.md
Skills (Beta)	api/beta/skills.md
Admin API	api/admin.md
Errors	api/errors.md
Rate Limits	api/rate-limits.md
Service Tiers	api/service-tiers.md
Client SDKs	api/client-sdks.md, api/sdks/
OpenAI SDK compat	api/openai-sdk.md
Versioning	api/versioning.md
Supported Regions	api/supported-regions.md