Integration path
These five pages, in order, cover a payment from checkout through to fulfillment. For anyone new to payment integrations, the first one is not optional.How payments work
What a Session, an Order, and a merchant order each mean.
Quickstart
Run a first payment in the sandbox.
Choose an integration
Redirect to checkout, or embed it in a merchant-owned page.
Hosted Checkout
What to write on the backend, the frontend, and the webhook.
Go live
The checklist before switching to production.
As needed
Pages to reach for when they apply, rather than read in order.Elements
For embedding payment inputs in a custom-designed checkout page.
Integrate with an AI agent
When an agent is already writing the code, let it do the integration.
Subscriptions
For recurring billing.
Discounts and promotion codes
For discounts and promo codes.
API keys & webhooks
Key rotation, IP restrictions, signatures, and delivery rules.
Guides and Resources
Dashboard & Account
How to manage a dashboard account.
API References
API and webhook details.
Core Resources
Explanation of basic concepts.
Financial Info
Understand the balance and get paid.