API ReferenceWebhook AuthenticationGet callback authenticationCopy pageGEThttp://gateway-api.e97e9e55a5d242f9a139.uksouth.aksapp.io/v2/webhooks/events/:eventType/callbacks/:callbackIdAuthenticationX-API-KeystringYour Esendex API key.Path parameterseventTypestringRequiredcallbackIdstringRequiredformat: "uuid"HeadersAccountReferencestringRequired>=1 characterMandatory AccountReference headerResponseOKdataobject or nullOptionalShow 4 propertieserrorslist of objects or nullOptionalShow 3 propertiesErrors400Bad Request Error404Not Found Error
