# TECHNOLOGIES

- [Navixy Generic Protocol](https://navixy.com/docs/iot-logic-api/technologies/navixy-generic-protocol.md): Navixy Generic Protocol (NGP), an open, JSON-based telematics protocol for transmitting device data to the Navixy platform and compatible systems.
- [Transport layer](https://navixy.com/docs/iot-logic-api/technologies/navixy-generic-protocol/transport-layer.md): HTTP/HTTPS and MQTT connection parameters, regional endpoints, and code examples for sending NGP messages.
- [Data types and encoding standards](https://navixy.com/docs/iot-logic-api/technologies/navixy-generic-protocol/data-types-and-encoding-standards.md): JSON type mapping, timestamp formatting, binary encoding, and value constraints used in NGP messages.
- [Message structure and attributes](https://navixy.com/docs/iot-logic-api/technologies/navixy-generic-protocol/message-structure-and-attributes.md): Complete reference for NGP message attributes: location, events, cell towers, Wi-Fi, sensors, I/O, and custom fields.
- [Predefined event identifiers](https://navixy.com/docs/iot-logic-api/technologies/navixy-generic-protocol/predefined-event-identifiers.md): Standard event\_id values for NGP messages, covering power, security, safety, vehicle efficiency, track, I/O, and peripheral events.
- [NGP Mapper skill](https://navixy.com/docs/iot-logic-api/technologies/navixy-generic-protocol/ngp-mapper-skill.md): Use the NGP Mapper Claude skill to generate a ready-to-implement field mapping from any device or telematics platform format to Navixy Generic Protocol.
- [Navixy IoT Logic Expression Language](https://navixy.com/docs/iot-logic-api/technologies/navixy-iot-logic-expression-language.md)
- [Expression syntax reference](https://navixy.com/docs/iot-logic-api/technologies/navixy-iot-logic-expression-language/expression-syntax-reference.md)


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