BANKING & FINTECH

APIs regulators trust.
Developers love.

PSD2, Open Banking, payment APIs, KYC — all in one portal. Every partner finds their interface on their own. No ticket, no waiting.

85%
Faster fintech onboarding
<3 Min
Time-to-First-API-Call
100%
Versioned API history
EU
Hosted in Frankfurt
portal.example-bank.de/api-catalog
API-Katalog Produktiv
58 APIs
Core Banking
18 APIs · 92 Endpoints
Payment / PSD2
14 APIs · 67 Endpoints
KYC / AML
8 APIs · 31 Endpoints
Risk & Compliance
12 APIs · 48 Endpoints
POST /payments/sepa-credit-transfer PSD2
GET /accounts/{iban}/transactions XS2A
Compatible with banking standards
PSD2 OAuth 2.0 GDPR
85%
Faster fintech onboarding
<3 Min
Time-to-First-API-Call
100%
Versioned API history
EU
Hosted in Frankfurt

// The Challenge

Why banks and fintechs need
an API Portal.

PSD2, Open Banking, and financial-sector digitization are creating a growing API landscape — between core banking systems, third-party providers, and regulatory requirements. Without central management, compliance risks mount.

Third parties can't self-serve

Fintechs, TPPs, and partners need access to your APIs — but without a Self-Service portal, every request lands on the internal team. Every sandbox, every API key, every doc is delivered manually.

Every integration starts with a ticket

Core banking system, payment provider, KYC service — dozens of interfaces, no central overview. Anyone who wants to know which API has which version has to ask. That costs time nobody has.

Audit prep is manual labor

Who changed which API when and how — that's buried in Git logs, Confluence pages, and emails. When the audit comes, the search begins.

// Use Cases

Built for the
financial sector.

Open Banking / PSD2

Document and deliver PSD2-compliant APIs from a single place.

Manage all Open Banking interfaces centrally — from Account Information and Payment Initiation to Consent Management. Third-party providers (TPPs) find the right API version via a Self-Service portal and can start integrating immediately.

  • Self-Service access for TPPs and fintech partners
  • Sandbox with synthetic test accounts
  • Versioning per release with automatic changelog
Request a demo →
portal.example-bank.de/open-banking/psd2
PSD2 — XS2A Schnittstellen Berlin Group v1.3.12
GET/v1/accountsAIS
GET/v1/accounts/{id}/transactionsAIS
POST/v1/payments/sepa-credit-transfersPIS
POST/v1/consentsConsent
GET/v1/funds-confirmationsPIIS
14 APIs · 67 Endpoints · PSD2-konform✓ Audit-Trail aktiv
Payment APIs

Orchestrate payment interfaces securely.

SEPA Credit Transfer, Instant Payments, credit card processing, and wallet APIs demand the highest availability and security. Manage critical payment endpoints with granular access control and real-time monitoring.

  • Granular access control per consumer and partner
  • Breaking-change detection before every deploy
  • Version history and impact analysis for dependent systems
Learn more →
portal.example-bank.de/impact/core-banking-v4.2
Impact-Analyse: Core Banking v4.1 → v4.2 2 Breaking Changes
⚠ Breaking: /accounts/{iban}/balance — Feld "availableBalance" renamed → "available"
⚠ Breaking: /payments/instant — Neues Pflichtfeld "ultimateDebtor" (ISO 20022)
✓ Kompatibel: 14 weitere Endpoints — keine Änderungen
Betroffene Consumer-Systeme:
Online Banking Mobile App Fintech-Hub Meldewesen ✓ CRM ✓
Risk & Compliance APIs

Deliver risk management and compliance APIs transparently.

AML checks, fraud detection, KYC processes, and regulatory reporting — all compliance APIs centrally documented with a complete audit trail and role-based access control per department and partner.

  • Audit trail of all API access and changes
  • Role-based access control per department and partner
  • Automatic detection of API changes for reviews
Request a demo →
Terminal — Fintech Onboarding
$ apiportal partner register --name="Example FinTech" --type=PISP
TPP registriert: Example FinTech (DE-BaFin-123456)
eIDAS-Zertifikat validiert (QWAC + QSealC)
PSD2-Scope: PIS, AIS zugewiesen

$ apiportal sandbox create --partner=example-fintech --apis=psd2,payments
Sandbox-Umgebung erstellt
500 Test-Accounts generiert (IBAN: DE89...)
API-Keys ausgestellt (Sandbox)

$ apiportal partner promote --to=production
Compliance-Check: bestanden
Rate-Limits konfiguriert: 100 req/s
Production API-Keys ausgestellt
Partner-Portal: https://developers.example-bank.de/example-fintech
$

// Security & Control

Built for
regulated environments.

Audit trail, access control, and flexible deployment — for teams that can't compromise on compliance.

Complete audit trail

Every API change, every access, every deploy — logged with timestamp and user. Exportable for internal reviews and external audits.

Access under control

Fintechs, internal teams, external partners — everyone sees only what they should. Granular roles, no over-sharing.

GDPR / EU hosting

All data stays in Frankfurt. Full control, no third-country detours.

On-premise available

Want to run the platform in your own infrastructure? Self-hosted deployment included — even for regulated private cloud environments.

// API Landscape

Typical banking APIs
managed in the portal.

From Open Banking to payments to risk management — the API Portal organizes a bank's entire interface landscape.

REST PSD2

Account Information API

Account information, balances, and transactions for TPPs per PSD2 Access-to-Account.

GET /accounts/{accountId}/balances
GET /accounts/{accountId}/transactions
REST SEPA

Payment Initiation API

SEPA Credit Transfer, Instant Payments, and payment orders for authorized payment service providers.

POST /payments/sepa-credit-transfers
GET /payments/{paymentId}/status
REST AML

Transaction Monitoring API

Real-time transaction monitoring, suspicious activity reports, and AML screening for compliance teams.

POST /aml/transactions/screen
GET /aml/alerts/{alertId}
REST KYC

Identity Verification API

KYC checks, identity verification, and video-ident integration for customer onboarding.

POST /kyc/verifications
GET /kyc/verifications/{verificationId}/result
REST v3.0

Market Data API

Stock quotes, exchange rates, and real-time market data for trading and risk systems.

GET /market-data/quotes/{isin}
GET /market-data/fx-rates/{currencyPair}
REST SOAP

Core Banking API

Core banking system integration for account management, lending, and product administration.

POST /core/accounts/create
GET /core/loans/{loanId}/schedule
“The API Portal has fundamentally simplified our PSD2 compliance. Third parties now integrate our banking APIs in hours instead of weeks — and we're audit-ready at any time.”
60% faster compliance review

// Architecture

Seamless integration into the banking IT landscape.

The API Portal integrates with existing banking systems — from core banking to API gateways to compliance platforms. CI/CD pipelines sync API specs automatically on every release.

  • Core banking systems & compliance platforms
  • CI/CD pipelines & developer workflows
  • API gateways & middleware connectivity
  • SSO via SAML / OIDC with corporate identity
  • On-premise & private cloud deployment
.gitlab-ci.yml — Banking API Pipeline
validate-banking-apis:
stage: test
image: apiportal/cli:latest
script:
- apiportal login --token $PORTAL_TOKEN
- apiportal validate
--specs ./api/banking/**/*.yaml
--fail-on-breaking-changes
- apiportal sync push
--changelog auto
rules:
- changes: [api/banking/**/*]
# Result:
18 Specs validiert
0 Breaking Changes erkannt
Changelog generiert: v4.1 → v4.2
Portal aktualisiert

// FAQ

Common questions from the financial sector.

Still have questions? Our team knows the banking industry and is happy to help.

Contact Sales
Yes. The API Portal supports full documentation and delivery of PSD2-compliant APIs per Berlin Group NextGenPSD2. Consent management, scope-based authorization, and sandbox environments with synthetic test data are built in. All API changes are versioned and documented with an audit trail.
Yes. The portal supports multi-tenant management with separate areas per institution. Each bank or tenant gets its own API Catalog with individual access control, custom branding, and separate sandbox environments.
The API Portal logs every API change in an audit-proof manner — including timestamp, user, and diff view. For BaFin reviews, audit reports can be exported per time period. All access rights and consent grants are fully traceable.
Yes. The API Portal documents OAuth 2.0 flows completely — including Authorization Code, Client Credentials, and PKCE. OpenID Connect scopes and claims are displayed in the API documentation. The built-in Try-it-out function supports token-based authentication.
Yes. The API Portal can be deployed as a self-hosted installation in your own infrastructure — including regulated private cloud environments. Ideal for banks with strict compliance requirements and data sovereignty needs.

Ready for Open Banking?

Experience the API Portal — configured specifically for the financial sector.