Technology is described for generating data output using message requests to a message queue. A plurality of message requests that are sent to the message queue may be detected. The message queue may be operated by a messaging service executing in a service provider environment. Message attribute information for the plurality of message requests may be identified. The plurality of message requests and corresponding message attribute information may be published as a data output. The data output may be processed by the service provider environment. Access to the data output may be provided for consumption of the message attribute information in the data output.