# DEVICE TO CLOUD API - [YuDash IIoT Stack](https://docs.yudash.com/device-to-cloud-api/yudash-iiot-stack.md) - [Cloud Protocols](https://docs.yudash.com/device-to-cloud-api/cloud-protocols.md) - [MQTT](https://docs.yudash.com/device-to-cloud-api/cloud-protocols/mqtt.md) - [HTTP](https://docs.yudash.com/device-to-cloud-api/cloud-protocols/http.md) - [FTP](https://docs.yudash.com/device-to-cloud-api/cloud-protocols/ftp.md): File Transport Protocol - [SSL/TLS](https://docs.yudash.com/device-to-cloud-api/cloud-protocols/ssl-tls.md) - [MQTT with Self Signed TLS](https://docs.yudash.com/device-to-cloud-api/cloud-protocols/ssl-tls/selfsigned.md) - [Payload Formats](https://docs.yudash.com/device-to-cloud-api/payload-formats.md) - [JSON Payloads](https://docs.yudash.com/device-to-cloud-api/payload-formats/json-payloads.md) - [YuTGT: YuDash Text Generator](https://docs.yudash.com/device-to-cloud-api/payload-formats/yutgt-yudash-text-generator.md): YuDash Text Generator - [Network Connectivity](https://docs.yudash.com/device-to-cloud-api/network-connectivity.md) - [Industrial Protocols](https://docs.yudash.com/device-to-cloud-api/industrial-protocols.md) - [Modbus](https://docs.yudash.com/device-to-cloud-api/industrial-protocols/modbus.md): Modbus for connecting IoT Gateways with instruments --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://docs.yudash.com/device-to-cloud-api.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.