# PowerSync Sync Service API

**Canonical:** https://apis.io/apis/powersync/sync-service/  
**Provider:** PowerSync — https://apis.io/providers/powersync/  
**Documentation:** https://docs.powersync.com/architecture/powersync-service

PowerSync Sync Service API is one of 6 APIs that [PowerSync](https://apis.io/providers/powersync/) publishes on the [APIs.io](https://apis.io/) network. Tagged areas include Sync, Streaming, SQLite, and Real-Time. The published artifact set on APIs.io includes API documentation.

The PowerSync Service exposes a streaming sync protocol over HTTP/WebSocket that client SDKs connect to using JWT authentication. Clients submit their current bucket state and the service streams real-time checkpoint and operation data back, enabling incremental SQLite sync for offline-first apps.

## Machine-readable artifacts (3)

- **Documentation** — https://docs.powersync.com/architecture/powersync-service
- **Documentation** — https://docs.powersync.com/architecture/powersync-protocol
- **APIsJSON** — https://raw.githubusercontent.com/api-evangelist/powersync/refs/heads/main/apis.yml

## Other PowerSync APIs (5)

- [PowerSync JavaScript / Web SDK](https://apis.io/apis/powersync/javascript-sdk/)
- [PowerSync React Native SDK](https://apis.io/apis/powersync/react-native-sdk/)
- [PowerSync Flutter / Dart SDK](https://apis.io/apis/powersync/flutter-sdk/)
- [PowerSync Kotlin SDK](https://apis.io/apis/powersync/kotlin-sdk/)
- [PowerSync Swift SDK](https://apis.io/apis/powersync/swift-sdk/)

## Tags

Sync, Streaming, SQLite, Real-Time

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/powersync/sync-service/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/powersync/.