Welcome to Nickel Developer Portal

Access Nickel's PSD2 compliance APIs. Integrate our secure account information and payment initiation services following Berlin Group standards.

PSD2 Compliant Berlin Group Standards Secure

API Status

Current availability and upcoming releases of our PSD2 APIs
Live

Account Information Service (AIS)

Access account information, balances, and transaction history. Our AIS API is fully operational and ready for integration.

Live

Confirmation of Funds Service (PIIS)

Verify funds availability before payment processing. Our PIIS API is available for immediate use by certified TPPs.

Live

Payment Initiation Service (PIS)

Initiate payments directly from your application. Our PIS API is fully operational and ready for integration.

Latest News

Stay updated with the latest developments and announcements from us

Open Banking Update: Immediate Integration of debtorName for PIS

Dear Partners,We require the immediate integration of the debtorName field into the payload for all instant transfer requests.Our technical documentation for Open Banking PIS APIs will be updated shortly to reflect this new requirement. However, given its importance, please proceed with this integra...

2nd quarterly metrics (open banking APIs only)

Dear partners,Please find below the second edition of the quarterly metrics on NiCKEL open banking APIs since the go-live on June 10th 2025.Figures are from Nov 6th 2025 to March 31st 2026.Home banking metrics will be published later on, thanks for your understanding! 

Open Banking Update: Debit Signature (-) is LIVE

Dear Partners,We're pleased to announce an update to our API that enhances the clarity and consistency of negative amount representations.All negative amounts in our API responses will be clearly indicated with a minus sign ("-").If you have any questions or require further clarification, please do ...