Change anything below and create the session. The playground makes real calls to the sandbox API, opens the checkout the way it opens on your site, and can pay it from code with the test helper.

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The public sandbox key

The playground and the Try it panel in the API reference use this key:
It belongs to KetaPay’s demo store and works only with test money. It can create and read checkout sessions, read escrows and events, and use the test helpers. Everyone shares it, so anything you create with it is visible to others. It sends no email, and each visitor can make 30 calls a minute. For your own integration, use your own sk_test_ key. See Testing for the test cards, codes, payout accounts and escrow simulations.