Reworked the Transaction API guides to provide a clearer, task-based structure with consistent examples, and improved guidance for common integration scenarios.

Updated June 2026

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New documentation structure

Clearer sections for concepts, operations, and API guidance.

Updated May 2026

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API guides

The Vitesse API is the preferred route for new integrations. The Transaction API supports legacy transaction-based processing.

Vitesse API

Use for modern integrations across accounts, payments, recipients, notifications, and payment flows.

Open Vitesse API

Quickstart Vitesse API

Get started quickly with authentication, environments, account retrieval, and payment walkthroughs.

See quickstart

Transaction API

Legacy transaction processing, account movements, deferred and queued transaction models.

Open Transaction API

Changelog

Release 4.1

Release 4.0

Release 3.16

Release 3.15

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