Polar webhook fixtures
Indie developers comparing payment providers need a clean fixture strategy before committing billing logic to one provider shape.
Open the free generatorNormalize order paid events
Map Polar order.paid payloads into the same internal paid-order event used by other providers.
Keep provider verification separate
Each provider needs its own signature verification path before payloads are normalized.
Use fixtures for migration tests
When moving providers, run both old and new fixtures through the same entitlement tests.
FAQ
Are Polar fixtures included in the free tool?
The free tool focuses on Lemon Squeezy. The Pro Kit includes additional provider starter fixtures.
Why test multiple providers?
Provider-neutral tests make migrations and regional checkout experiments less risky.
Use the free sample before wiring production checkout
Download a public sample pack with fake Lemon Squeezy fixtures, signature tests, contract checks, duplicate replay tests, and CI skeletons. The Pro Kit preview shows the full paid package structure without exposing the private archive.