Let’s try to understand it with an example. REST OPTIONS method is also used for CORS ( Cross-Origin Resource Sharing ) request. It can be used as a ping to server for checking its capabilities. If request URI is an asterisk sign ( * ), then the OPTIONS method request applies to the server rather than to a specific resource. If response body is not included then value of Content-Length header field should be 0. Telegram bot API client for Rust v 0.13.0 650 request http client bot telegram. Opentracing middleware for reqwest v 0.2.2 18K reqwest http middleware opentelemetry tracing. The format for such a body is not defined by the specification, but might be defined by future extensions to HTTP. Easy-to-use REST client with automatic serialization and deserialization v 1.2.0 1.2K rest client http json async. The response body ( if any ) should also include information about the communication option available for a resource. Response to this method are not cacheable.Ī 200 OK response should include any header fields like Allow, that determine the communication option implemented by the server and are applicable for a resource identified by requested URI. This method allows the client of the REST API to determine, which HTTP method ( GET, HEAD, POST, PUT, DELETE ) can be used for a resource identified by requested URI, without initiating a resource request by using any particular HTTP method. In REST OPTIONS is a method level annotation, this annotation indicates that the following method will respond to the HTTP OPTIONS request only. It is used to request, for information about the communication option available for a resource.

Rest client download option