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API reference

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Onboarding and authentication API

This API lets you obtain access tokens and authorise with the Sage Authorisation Service.

Go to the Onboarding and authentication API reference.

Provider API

The Provider API allows providers to communicate the Payments Acceptance Service when payments are submitted and processed.

Go to the Provider API reference.

Connector API

This API handles customer account onboarding and payment processing notifications.

Go to the Connector API reference.