AllowOnError instructs the middleware to fail (internal server error) on connection errors.

APIKeyFunc returns a default key function for ratelimiting on our API key header.

IPAddressKeyFunc uses the client IP to rate limit.

NewMiddleware creates a new middleware suitable for use as an HTTP handler.

UserIDKeyFunc pulls the user out of the request context and uses that to ratelimit.

Middleware is a handler/mux that can wrap other middlware to implement HTTP rate limiting.

Option is an option to the middleware.