# Syncthing

**Canonical:** https://apis.io/providers/syncthing/  
**Website:** https://syncthing.net/  
**APIs profiled:** 1

Syncthing is an open-source continuous file synchronization program that securely syncs files across multiple devices in real time. It uses TLS encryption with perfect forward secrecy, operates without central servers, and provides a web GUI for configuration. The project is maintained by the Syncthing Foundation and supported by commercial partners, offering cross‑platform support for Windows, macOS, Linux, BSD, and more.

## Kin Score — 21.5 / 100 (emerging)

Scored 2026-10-31 under rubric 0.25.0.

| Facet | Score |
|---|---|
| Discoverability | 53.6 |
| Contract Quality | 9.9 |
| Contract Governance | 22.0 |
| Operational Transparency | 31.6 |
| Developer Ergonomics | 33.3 |
| Access Clarity | 0.0 |

Regulatory layer — **Horizontal (data, software, accessibility, platform)**: 16.7 (matched via fallback).

## Agent readiness — 19.0 (agent-aware)

| Dimension | Value |
|---|---|
| Spec Presence | yes |
| Agentic Access | no |
| Reversibility Documented | no |
| MCP Server | no |
| Auth Clarity | bearer |
| Idempotency | no |
| Error Semantics | no |
| OpenAPI Examples | no |
| Rate Limit Signal | no |
| Event Surface Described | no |
| Agent Skills | no |
| Well Known Catalog | yes |
| Consent Identity | no |
| Agent Card | no |
| Dry Run Mode | no |
| Delegated Identity | no |
| Protected Resource Metadata | no |
| Dynamic Client Registration | no |
| Agentic Commerce | no |
| Pagination Ratio | na |
| Operation Distinctiveness | mostly |

## APIs (1)

- **Syncthing API** — Syncthing API as documented publicly: 60 operations. Contract generated from the documentation by API Evangelist (2026-10-28); not the provider's own document.

## Security (2)

- **Syncthing Domain Security** — TLSv1.3 · DMARC
- **Syncthing Vulnerability Disclosure** — security.txt · contact published

## Tags

File Synchronization, Open Source, Cross-Platform, Encryption, Peer-to-Peer

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/providers/syncthing/). Scores are computed from the provider's own public artifacts under a published rubric.