# Point One Navigation

> Precision location technology for autonomous systems and vehicles. Point One
> delivers centimeter-level accuracy through a globally distributed RTK/SSR
> corrections network (Polaris) and FusionEngine sensor-fusion positioning
> software, backed by professionally managed infrastructure with 99% uptime.

Authentication across services uses an API key issued from the developer portal
at https://app.pointonenav.com. The GraphQL API is API-key authenticated; the
Polaris RTK Network Service requires a Polaris API key.

## APIs

- [Point One GraphQL API](https://docs.pointonenav.com/docs/graphql-api/quickstart): GraphQL interface for workflow and data management (host: api.pointonenav.com).
- [Polaris RTK Network Service](https://github.com/PointOneNav/polaris): Globally distributed RTK/SSR corrections delivered as RTCM streams (host: polaris.pointonenav.com), consumable via NTRIP.
- [FusionEngine Client](https://docs.pointonenav.com/docs/fusion-engine-client/): Binary device protocol for real-time positioning output from Atlas and Quectel LG69T hardware.

## SDKs & Tools

- [fusion-engine-client (PyPI)](https://pypi.org/project/fusion-engine-client/): Python + C++ FusionEngine protocol library (MIT).
- [polaris](https://github.com/PointOneNav/polaris): C / C++ Polaris RTK client libraries (MIT).
- [p1-host-tools](https://github.com/PointOneNav/p1-host-tools): Python host-side CLI tools for FusionEngine devices (MIT).
- [ntrip-example](https://github.com/PointOneNav/ntrip-example): Barebones NTRIP client example (C++).

## Documentation

- [Documentation](https://docs.pointonenav.com/)
- [GraphQL API Quickstart](https://docs.pointonenav.com/docs/graphql-api/quickstart)
- [FusionEngine Client Docs](https://docs.pointonenav.com/docs/fusion-engine-client/)
- [Support / Knowledge Base](https://support.pointonenav.com/)
- [Downloads](https://pointonenav.com/downloads/)
- [Pricing](https://pointonenav.com/pricing/)
- [Status](https://status.pointonenav.com/)
- [GitHub](https://github.com/PointOneNav)

## Standards

- NTRIP transport, RTCM 3.x corrections, NMEA 0183 output, GraphQL API.