API reference

Generated from the published type declarations. Every page reflects the real surface; the guides teach, this reference answers “what exactly can I pass here?”

• Host FlareHost, services, dependency injection, and host extensions.
• HTTP The HTTP arc: routing, middleware, contracts, requests, and responses.
• WebSockets The WebSocket arc: routes, messages, channels, and connection state.
• Runtimes Adapters and apps for Node, Bun, Deno, and Cloudflare Workers.
• Durable Objects Durable Object classes, addressing, durable state, and test fakes.
• Config Config tokens and the host and logging configuration shapes.
• State Request-state tokens and typed state access.
• Logging The logger, transports, log records, and error context.
• Errors FlareError, error codes, categories, and validation errors.
• Testing The in-process test harness, mocks, and build inspection.
• Schema Schema primitives, models, parsing, and serialization.