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Mambu Payments (formerly Numeral)
GuidesAPI ReferenceChangelog
Log inContact usMambu Payments (formerly Numeral)
Guides
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GuidesAPI ReferenceChangelog

Getting started

  • Getting started
  • Banks supported
  • Payment methods supported
  • SEPA participants
  • Bacs indirect participants
  • FPS indirect participants

Guides

  • Sending your first payment
  • Using the sandbox
  • Counterparties
  • SEPA direct debits
  • Balances
  • Reconciliations
  • Events and webhooks
  • External account verification
  • Bulk actions
  • Automated payment retries
  • Custom fields
  • Payments migration
  • Payment validation
  • Bank simulator
  • 2025 SEPA rulebooks
  • Verification of Payee (VOP)
    • Introduction
    • Send VOP requests
    • Respond to VOP requests
    • Simulate VOP requests
    • Matching algorithm
    • Identification types
    • Failure codes and status details

Dashboard

  • User roles and permissions
  • Multi-factor authentication
  • Generate an API key
  • Add a webhook
  • Payment approvals
  • Upload a payment file
  • Custom fields

Failure codes and status details

Learn more about possible status details based on failure codes for VOP requests

Suggest Edits

VOP requests can fail. When this is the case, there status is set failed and failure_code and status_details are added for additional context.

Updated about 22 hours ago