Polar Integration

Polar is a payment platform for digital products: subscriptions, one-time purchases, licenses, checkout, and webhooks. This skill provides complete integration guidance.

Integration Workflow

1. Determine the Stack

Identify the project's framework. Polar has first-class support for:

• Next.js via @polar-sh/nextjs — see references/nextjs.md
• SvelteKit via @polar-sh/sveltekit — see references/sveltekit.md
• Supabase via @polar-sh/supabase — see references/supabase.md
• Any JS/TS framework via @polar-sh/sdk — see references/typescript-sdk.md
• Python via polar-sdk — see references/python-sdk.md
• Other framework adapters: Astro, Express, Hono, Fastify, Remix, Nuxt, Elysia, Deno, TanStack Start, Better Auth

2. Install Dependencies