Build Performant APIs Fast!
Search
⌘ K
Main navigation menu
Color Scheme
Open main sidebar
- The Cookbook
Close sidebar
Search
⌘ K
-
- Get Started
- Security
- Model Binding
- Validation
- Dependency Injection
- Domain Entity Mapping
- File Handling
- Response Caching
- Rate Limiting
- Swagger Support
- Post Processors
- Event Bus
- Command Bus
- Job Queues
- Remote Procedure Calls
- Server Sent Events
- Exception Handler
- Integration & Unit Testing
- Configuration Settings
- Misc Conveniences
- API Versioning
- Idempotency
- Native AOT
- Scaffolding
- The Cookbook
The Cookbook
# Auth
- Asymmetric JWT token usage
- Standard JWT Auth with Swagger support
- Dynamically updating JWT signing key during runtime
- API Key Auth with Swagger support
- Session based Auth with Swagger support
- Basic Auth with Swagger support
- Dynamic claim/permission hydration (using IClaimsTransformation) instead of embedding in JWT
- Custom Authorization Handler (IAuthorizationHandler) Example
- MS Identity API Endpoints middleware config
- Sending a custom 401 response on Authentication failure
# Configuration
# Job Persistence
# Middleware & Pipeline
- IEndpointFilter usage
- Intercept responses with an IResponseInterceptor
- Intercept responses with the global response modifier
- Correct middleware order for Blazor Server-Side
- Correct middleware order for UseSpa() from Microsoft.AspNetCore.SpaServices.Extensions
- Legacy host-builder style with Startup.cs file
# Miscellaneous
# Results Pattern
- Usage with Ardalis.Result package
- Results pattern with Post-Processor doing the response sending
- Results pattern with ErrorOr package
# Serialization
- Receiving and sending of XML via custom binder and send method
- Content negotiation example which supports XML and JSON responses
- JsonPatch usage with Swagger UI support
- Streaming JSON response with IAsyncEnumerable
# Swagger
- Customizing Swagger Spec With An IOperationProcessor
- Customizing Swagger Middleware & SwaggerUi Paths
- Api Visualization with Scalar
- Export Swagger JSON files during compile time
- OneOf support for polymorphic schema
# Testing
- Using a mock/test authentication handler for integration tests
- Integration testing with TestContainers & AppFixture
- Integration testing an endpoont that executes a command
- Integration testing an endpoint that publishes an event
- Unit testing an endpoint that executes a command
- Unit testing an endpoint that publishes an event
- Forwarding console log messages to xUnit’s Message Sink
# Validation
- Adding & Throwing validation errors from deeper domain layers
- Request DTO inheritance and composition of Validators
- Validator inheritance for polymorphic DTOs.
# Versioning
Previous ← Scaffolding
© FastEndpoints 2026