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This reference is generated from the Rach Payments OpenAPI specification, so it always matches the live API. Endpoints are grouped by product in the sidebar; each has request and response schemas, multi-language code samples, and an interactive request runner.

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Base URL

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Authentication

Every endpoint uses your Payments API key in the X-API-Key header. See Get your API keys and Test vs Live.
Admin and internal operations are intentionally not part of this public reference.