# s.id Developer Platform

> s.id is a link shortener, microsite builder and QR platform. The developer
> platform lets third-party apps create and manage short links, receive webhook
> events, and authorize on behalf of users via OAuth 2.0.

## Docs

- [Developer Platform Guide](/llms/developer-platform-guide.md): API keys, REST API, webhooks (with HMAC signature verification) and OAuth 2.0
- [OpenAPI Specification](/openapi/sid-developer-api.json): Machine-readable OpenAPI 3.0 spec for the public REST API
- [Interactive API Reference](/developer/api-docs): Swagger UI for the public REST API
- [Spaces Reseller API Guide](/llms/reseller-api-guide.md): Reseller (s.id Spaces) provisioning API — customer accounts, microsites, subscription tiers, custom domains and the embeddable editor. Base URL https://api.s.id/vendor/v2, auth via `X-Auth-Id` / `X-Auth-Key` headers

## Key facts

- Base URL: https://api.s.id/v2
- Auth: `Authorization: Bearer sk_live_<key>` (create keys in Dashboard → Developer)
- Rate limit: 60 requests/minute per key
- Webhook signature header: `X-SID-Signature: sha256=<hmac-sha256-hex>`
- Webhook events: link.created, link.updated, link.archived, link.clicked, microsite.published, qr.scanned