HTTP registry: odata.callback

Requests that the service invoke the specified URL to signal some service state, such as the completion of an asynchronous result or availability of new or modified information. The service state that triggers the change is dependent upon the request.

HTTP parameter values extend negotiation, framing, preferences, range handling, or other protocol components. odata.callback is registered in HTTP Preferences. Defining reference: OData Version 4.01 Part 1: Protocol.

httpregistryhttp-parameterspreferences

Identifier (http)

odata.callback

Interpret parameters only in the context that defines them; unknown parameters must not silently change security or framing behavior.

This registry value is currently marked active by IANA. Follow the defining specification before sending, accepting, or proxying it.

IANA registry: http-parameters/preferences

Registry reference: OData Version 4.01 Part 1: Protocol

Sources

HTTP Preferences