For AI agents: visit https://docs.mambupayments.com/llms.txt for an index of all pages formatted in Markdown and endpoints in OpenAPI.
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Mambu Payments (formerly Numeral)
GuidesAPI referenceRelease notes
Mambu Payments (formerly Numeral)
Release notes
GuidesAPI referenceRelease notes

Changelog

Added

Bank name and address

April 28th, 2026
Improved

Idempotency key displayed in VOP request

April 24th, 2026
Improved

Payment file upload on multiple connected accounts

April 21st, 2026
Added

Loan and credit arrangement repayments via card payment

April 21st, 2026
Added

ClearBank UK multi-currency incoming payments

April 17th, 2026
Added

routing_bank_code field added to bank code lookup endpoint

April 14th, 2026
Added

instructed_agent and addressee_bank_code in payment order details and creation form

April 7th, 2026
Improved

Dynamic return request reason codes based on payment type

April 4th, 2026
Improved

Display reason in claim details

April 2nd, 2026
Improved

Bank code and account number validation relaxed

March 30th, 2026
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