API ReferenceWebhook AuthenticationUpdate authentication methodsCopy pagePUThttp://gateway-api.e97e9e55a5d242f9a139.uksouth.aksapp.io/v2/webhooks/authentication-methodsAuthenticationX-API-KeystringYour Esendex API key.HeadersAccountReferencestringRequired>=1 characterMandatory AccountReference headerRequestThis endpoint expects an object.authenticationobject or nullOptionalShow 3 propertiesResponseNo ContentErrors400Bad Request Error
