Build on s.id: REST API, Webhooks, OAuth & MCP
Build link management, QR, microsite, and analytics workflows with API keys or OAuth 2.0—and connect compatible AI agents through the hosted MCP server.
One developer platform
Choose the integration path that fits your product
REST API
Manage links, QR codes, microsites, analytics, and account data with a clean JSON API.
Learn MoreWebhooks
Receive real-time link, microsite, and QR events through HMAC-signed payloads.
Learn MoreOAuth 2.0
Use authorization code, PKCE, rotating refresh tokens, discovery, and revocation.
Learn MoreMCP Server
Give compatible AI agents scoped access to 28 hosted tools for links, QR, and microsites.
Learn MoreQuickstart
Create a short link in one API call.
- 1Open Dashboard → Developer → API Keys
- 2Create a key with the scopes you need
- 3Call the API with Bearer sk_live_...
Base URLhttps://api.s.id/v2
curl -X POST https://api.s.id/v2/links \
-H "Authorization: Bearer sk_live_..." \
-H "Content-Type: application/json" \
-d '{"long_url": "https://example.com/long-url", "custom_slug": "mylink"}'Endpoints
Popular endpoints
Public REST endpoints accept a scoped API key or OAuth 2.0 access token.
OpenAPI v2.1.0
Machine-readable resources
Use the canonical OpenAPI specification for SDK generation and the developer guide for implementation context.
Ready to start building?
Create an API key in minutes. Free tier included, no credit card required.