Base URL
Authentication
Every B2B endpoint uses your CaaS API key in theX-API-Key header, prefixed
rach_sk_live_ / rach_sk_test_.
CaaS keys are separate from your Payments keys and are not interchangeable. See
Get your API keys.
Overview
CaaS API Reference
Every Rach CaaS endpoint, with live “try it” and code samples.
This reference is generated from the Rach CaaS OpenAPI specification. CaaS is a separate
product with its own base URL and keys — see the CaaS overview.