Bre-B Participant
Connect to Colombia's instant-payment scheme — send and receive Bre-B payments through the Mono API.
Bre-B Participant is Mono's programmable on-ramp to Bre-B, Colombia's interbank instant-payment scheme. Use it to receive Bre-B payments through QR codes or registered payment keys, and to dispatch outgoing transfers against any payment key resolved through the central directory.
What is Bre-B?
Learn how the Bre-B system works and how it integrates with Mono at breb.app.
Architecture
How the Participant API connects you to the Bre-B network.
Authentication
OAuth 2.0 client credentials for Bre-B Participant.
Concepts
Payment keys, targets, tenant accounts, collections.
Flows
QR collection and outgoing-transfer end-to-end use cases.
Integration example
Realistic walkthrough of a Bre-B participant integration.
Sandbox
Test your Bre-B integration with simulated payments and transfers.
Outgoing transfer lifecycle
State machine, transitions, and terminal states for outgoing transfers.
Outgoing transfer error codes
Rejection reasons, state reasons, and handling recommendations.
Webhook signature verification
Verify the authenticity of incoming webhooks with HMAC-SHA256.
Webhook payload reference
Payload envelope and outgoing-transfer event types.
Best practices
Production recommendations: name confirmation, idempotency, signatures.
Glossary
Definitions of Bre-B terms.