Upload a signature imagepost https://rls.congacloud.com/api/sign/v1/cs-account/senders/{senderId}/signature/imagePath ParamssenderIdstringrequiredBody ParamsContentTypestring | nullContentDispositionstring | nullHeadersarray | nullHeadersLengthint64Namestring | nullFileNamestring | nullResponses 200OK 400Bad Request 401Not Authorized 500Unexpected ErrorUpdated 25 days ago