BillKitGuides & tutorials
Longer walkthroughs that cross several endpoints. Each one is a standalone article with runnable samples in every SDK.
Embed Checkout in your own page
Mount the Checkout Element, keep the customer on your domain, and let the iframe handle 3D Secure.
Develop locally with the CLI
Install billkit, log in, stream events to localhost, and trigger test events without waiting for a real payment.
Metered billing, end to end
Charge for consumption. Create a per-unit price, post usage records, and let BillKit close the period and collect.
Recover failed payments
What BillKit does when a renewal fails, what Mollie does, and the parts you have to build.
Migrate from Stripe
Import customers, plans and in-flight subscriptions with the console wizard, then get every customer to re-authorise a payment method.
Charge and record EU VAT
Every EU rate is seeded for you. Decide net or gross, validate VAT numbers, and get reverse charge right.
Free trials
Configure a trial on the price, override it per checkout, and handle the events around conversion.