{"entry":{"slug":"polar-api","name":"Polar","category":"api","summary":"Digital product sales, subscriptions and usage billing for developers.","description":"Merchant of record with an API-first surface: products, checkouts, benefits, customer portal.","auth_mode":"Bearer access token","endpoint":"https://api.polar.sh/v1","docs_url":"https://docs.polar.sh/api-reference","tags":["payments","billing","subscriptions"],"capabilities":["checkout","subscriptions","usage_billing","entitlements"],"auth_params":[],"input_format":"application/json","output_format":"json","rate_limit":"documented per endpoint","pricing":"4% + 40c per sale","invocation_example":"curl -s https://api.polar.sh/v1/products -H \"Authorization: Bearer $POLAR_TOKEN\"","verified":false,"verified_at":null,"featured":false,"checks_total":59,"checks_ok":59,"avg_latency_ms":174,"reports_count":0,"health_ok":true,"health_status_code":404,"health_checked_at":"2026-11-01T23:17:21.865+00:00","health_latency_ms":141,"probe_url":null},"watch":{"hint":"Follow \"polar-api\": get alerted when it goes down, comes back, or changes shape. Free, 3 tools per key. Email follows are confirmed by a one-click email before alerts start.","how":"POST https://agentnexus.app/api/public/watch with {\"slug\":\"polar-api\"} and your x-api-key (the key's email gets the alerts), or add \"email\" / \"webhook_url\". Email follows must be confirmed from the inbox before alerts start."}}