{"slug":"polar","name":"Polar","owner":null,"repo":null,"category":"payments-billing","lang":"","blurb":"Open-source Merchant of Record — payments, subscriptions and usage-based billing with global tax handled for you, built for the AI era.","use_cases":"[]","alternatives":[],"stars":0,"pushed_at":null,"synced_at":null,"kind":"api","one_liner":"Open-source Merchant of Record — payments, subscriptions and usage-based billing with global tax handled for you, built for the AI era.","website":"https://polar.sh","docs_url":"https://docs.polar.sh","signup_url":"https://polar.sh/signup","pricing_model":"usage-based","pricing_note":"MoR fee 5% + 50¢ per transaction (orgs before May 2026 grandfathered at 4% + 40¢); no monthly fee on the free Starter plan","auth_type":"api-key","agent_signup":"self-serve-instant-key","agent_signup_note":"Free self-serve signup; create Organization Access Tokens instantly and a full sandbox environment (sandbox.polar.sh) with its own tokens for automated/agent testing.","mcp_server":"","sdks":["TypeScript","Python","PHP","Go","REST"],"code_sample":"{\"lang\":\"typescript\",\"code\":\"import { Polar } from \\\"@polar-sh/sdk\\\";\\nconst polar = new Polar({ accessToken: process.env.POLAR_ACCESS_TOKEN! });\\n\\nconst checkout = await polar.checkouts.create({\\n  products: [\\\"<product_id>\\\"],\\n  successUrl: \\\"https://example.com/success\\\",\\n});\\nconsole.log(checkout.url);\"}","tags":["merchant-of-record","open-source","subscriptions","usage-billing","tax","indie"],"useCases":[],"codeSample":{"lang":"typescript","code":"import { Polar } from \"@polar-sh/sdk\";\nconst polar = new Polar({ accessToken: process.env.POLAR_ACCESS_TOKEN! });\n\nconst checkout = await polar.checkouts.create({\n  products: [\"<product_id>\"],\n  successUrl: \"https://example.com/success\",\n});\nconsole.log(checkout.url);"},"oneLiner":"Open-source Merchant of Record — payments, subscriptions and usage-based billing with global tax handled for you, built for the AI era.","docsUrl":"https://docs.polar.sh","signupUrl":"https://polar.sh/signup","pricingModel":"usage-based","pricingNote":"MoR fee 5% + 50¢ per transaction (orgs before May 2026 grandfathered at 4% + 40¢); no monthly fee on the free Starter plan","authType":"api-key","agentSignup":"self-serve-instant-key","agentSignupNote":"Free self-serve signup; create Organization Access Tokens instantly and a full sandbox environment (sandbox.polar.sh) with its own tokens for automated/agent testing.","mcpServer":""}