For AI agents: visit https://docs.numeral.io/llms.txt for an index of all pages formatted in Markdown and endpoints in OpenAPI.

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Guides API reference Release notes

Guides

Guides API reference Release notes

Getting started

Get started
Key concepts
Payment schemes supported
Banks supported

Payments basics

Send payments
Counterparties
Balances
Reconciliations
Events and webhooks

Payments advanced

Simulator
Bulk actions
Automated payment retries
External account verification
Payment validation
Bank holidays
Cut-off times and batching rules
Payment warehousing
Account number generation
Custom file adapter for internal systems
Message forward
Audit trails
Payments migration
Custom fields

Dashboard

User login
User management
API keys
Webhooks
Payment approvals
Payment file upload

Mambu Core native integration

Mambu Deposits integration
Mambu Lending integration

SEPA

2025 SEPA rulebooks
SEPA direct debits

VOP

Introduction to VOP
Send VOP requests
Respond to VOP requests
VOP matching algorithm
VOP identification types
VOP failure codes and status details
QWAC PSD2 certificates for VOP

Swift

Introduction to Swift
Supported Swift products
Swift Alliance Cloud onboarding
Swift GPI tracking

Bacs

Introduction to Bacs
Register Bacs direct debit mandates
Be notified when direct debit mandates are updated or canceled
Send direct debit instructions
Be notified when direct debit instructions are rejected or returned
Be notified when direct debit indemnity claims are received

ISO 20022 message-based integration

Introduction to ISO 20022 message-based integration
Payment schemes supported
Integration flows supported
ISO 20022 message XSDs and business logic
Customer / partner certification

ISO 20022 message-based integration

Integration flows supported

Learn how to build your ISO 20022 message-based integration to Mambu Payments (formerly Numeral)

Learn how to build your ISO 20022 message-based integration for:

Credit transfer / RTGS payments
Direct debit payments
Real-time payments
Reporting