KryptoCat

Branded checkout and merchant operations

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Merchant-facing product site

Guides for real merchant launch flows

Guides are written around real rollout paths: shipping checkout, wiring webhooks, and getting merchant operations under control.

Guides

Answer-first implementation guides

Guides are written around real rollout paths: shipping checkout, wiring webhooks, and getting merchant operations under control.

Launch hosted checkout

Connect a store, generate API credentials, and ship a hosted payment flow.

  1. 1.Create a store and set checkout branding.
  2. 2.Generate API credentials and webhook secret.
  3. 3.Create a payment or payment link and hand off customers into checkout.

Wire merchant webhooks

Keep payment state in sync with your own backend.

  1. 1.Register a webhook endpoint per store.
  2. 2.Verify webhook signatures on arrival.
  3. 3.Persist terminal payment state and settlement events.

Need endpoint details too?

Use the API overview alongside the guides to wire authentication, payment creation, and webhook signatures without context switching.

Open API overviewBack to docs