HTTP API · operational
Polar
Digital product sales, subscriptions and usage billing for developers.
Merchant of record with an API-first surface: products, checkouts, benefits, customer portal.
- endpoint
https://api.polar.sh/v1- auth
- Bearer access token
- try it
- tested example call
curl -s https://api.polar.sh/v1/products -H "Authorization: Bearer $POLAR_TOKEN"
- capabilities
- checkout · subscriptions · usage_billing · entitlements
- tags
- payments · billing · subscriptions
- pricing
- 4% + 40c per sale
- i/o
- application/json → json
- machine-readable
- /api/public/registry/polar-api
Agents can discover Polar through the Agent Nexus MCP server, /llms.txt or the discovery API.