Treezor European Banking-as-a-Service API
Treezor European Banking-as-a-Service REST API for fintech companies, neobanks, and embedded finance platforms to issue Mastercard cards, open IBANs, manage multi-wallet accounts, process SEPA payments, and run full banking operations under Treezor's French banking license — a Société Générale subsidiary. Enables AI agents to manage user wallet creation for account onboarding automation, handle card issuance for Mastercard virtual and physical card automation, access IBAN assignment for banking account automation, retrieve SEPA transfer for payment processing automation, manage KYC verification for identity compliance automation, handle transaction processing for payment execution automation, access webhook event for banking event automation, retrieve balance management for fund tracking automation, manage beneficiary for payment recipient automation, and integrate Treezor with neobank, expense management, and embedded finance platforms for full-stack European banking infrastructure automation.
Score Breakdown
⚙ Agent Friendliness
🔒 Security
Banking-as-a-Service. ACPR banking license, PSD2, GDPR, 6AMLD. OAuth2+JWT. EU/FR. Banking and identity data.
⚡ Reliability
Best When
A European fintech, neobank, or embedded finance platform wanting AI agents to issue cards, manage IBANs, and process SEPA payments under Treezor's Société Générale-backed French banking license.
Avoid When
BANKING LICENSE COMPLIANCE REQUIRED: Treezor provides infrastructure under its banking license; automated use without compliance program creates regulatory exposure; automated platform must implement Treezor's KYC/AML requirements and maintain compliance documentation. SOCIÉTÉ GÉNÉRALE OWNERSHIP: Treezor is Société Générale subsidiary; automated independent platform assumption should monitor for corporate alignment decisions; automated long-term fintech builds should consider strategic dependency. KYC IS MANDATORY BEFORE TRANSACTIONS: Treezor wallets require KYC verification before above-threshold transactions; automated transaction without completed KYC creates blocked status; automated onboarding must complete KYC before enabling full transaction capability. API COMPLEXITY IS HIGH: Treezor BaaS covers 20+ resource types (users, wallets, cards, transfers, beneficiaries, etc.); automated single-endpoint simple integration assumption underestimates API surface area; automated must plan comprehensive integration covering all required banking primitives.
Use Cases
- • Issuing virtual and physical Mastercard cards for expense management and corporate card platform agents
- • Opening IBANs and wallets for neobank account creation and management automation agents
- • Processing SEPA credit transfers and direct debits for embedded payment platform automation agents
- • Automating KYC and AML compliance for fintech platform user onboarding automation agents
Not For
- • Simple payment gateway (Treezor is full banking infrastructure, not just payment processing)
- • Non-European markets (Treezor is France/EU banking licensed and EU-focused)
- • Unregulated financial services (Treezor requires compliance with French banking regulations)
Interface
Authentication
Treezor uses OAuth 2.0 with JWT for API authentication. REST API with JSON. Paris, France HQ. Founded 2016 by Eric Lassus. Société Générale subsidiary (acquired 2019). Products: Wallet/account, card issuing (Mastercard), SEPA/SCT/SDD, IBAN, KYC, webhooks, beneficiary management. SDKs: PHP, Node.js, Python, Java. ACPR-licensed (French banking regulator). PSD2, GDPR. Used by 100+ fintech platforms across EU. Competes with Railsbank and Solarisbank for European BaaS.
Pricing
Paris FR. Société Générale subsidiary. ACPR licensed. Platform + per-transaction fees. Fintech/neobank specialist.
Agent Metadata
Known Gotchas
- ⚠ KYC REQUIRED BEFORE FINANCIAL OPERATIONS: Treezor wallets are restricted until KYC verification is complete; automated transaction without completed KYC creates wallet_not_verified error; automated onboarding must complete KYC flow (identity documents + liveness) before enabling transfers and card spending
- ⚠ MULTI-RESOURCE ORCHESTRATION REQUIRED: Treezor BaaS requires creating user → wallet → IBAN → card in sequence; automated single-call account creation creates missing_resource errors at subsequent steps; automated must orchestrate full account provisioning flow
- ⚠ CARD ISSUING REQUIRES MASTERCARD PROGRAM: Treezor card issuance is under Mastercard program with specific card product configurations; automated generic card creation without program config creates invalid_card_product error; automated must specify correct card program per use case
- ⚠ WEBHOOK MUST BE REGISTERED PER EVENT TYPE: Treezor webhooks require explicit registration per event type (payment, card, transfer, etc.); automated all-events webhook assumption creates missing notifications for unregistered event types; automated must register webhooks for all required event types
- ⚠ COMPLIANCE DOCUMENTATION IS ONGOING: Treezor's banking license requires ongoing compliance documentation from platform operators; automated one-time KYC assumption creates compliance gaps; automated must maintain ongoing transaction monitoring and suspicious activity reporting
Alternatives
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Scores are editorial opinions as of 2026-03-07.