Developer Reference Guides

Compact, implementation-focused references for the protocol details developers look up while building and debugging APIs.

HTTP

• HTTP Status Codes Reference
• HTTP Methods Reference
• HTTP Headers Reference
• Cache-Control Directives Reference
• CORS Headers Reference

Authentication and API Contracts

• JWT Claims Reference
• OpenAPI Data Types and Formats
• JSON Schema Keywords Reference
• OpenAPI Security Schemes Reference
• OAuth Grant Types Reference
• Webhook Delivery and Retry Reference

Encoding, Formats and Scheduling

• Base64 Encoding Reference
• UUID Versions Reference
• Unix Timestamp Reference
• Regular Expression Flags Reference
• JSON Value Types Reference
• JSON Lines and NDJSON Reference
• URL Encoding Reference
• MIME Types Reference
• Cron Expression Syntax Reference