Siemens Gateway Protocol

Implementation

From payment links to embedded checkout: a practical rollout path

A simple expansion path for merchants starting with manual sales and moving toward API-native checkout.

Good gateway adoption paths usually begin with the lightest operational lift. Payment links come first, hosted checkout follows, and direct API sessions arrive when the merchant wants deeper control.

POST /v1/checkout-sessions
{
  "amount": "249.00",
  "currency": "USD"
}

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Keep exploring the gateway.

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