Commercial Bank Merchant IPG • France
BNP Paribas Mercanet Integration
Direct acquiring bridge connecting BNP Paribas Mercanet\'s merchant portal and internet payment gateway into your store or application.
Underlying Engine: Proprietary In-HouseAPI: Mercanet JSON REST API / Worldline Sips
Bank Gateway Specialist
Have BNP Paribas Mercanet Credentials?
Connect with our payment developer to review your bank credentials and API manual.
Or Request Fixed-Price Scope ↓Bank Architecture & Integration Scope
BNP Paribas Mercanet is one of France's most widely adopted commercial e-commerce gateways. Powered by Worldline Sips, it supports Cartes Bancaires (CB), Visa, Mastercard, and SEPA direct debit.
Technical Specifications & Protocols
| Core Gateway Engine | Proprietary In-House |
| Integration Options | Mercanet Hosted Redirection • JSON REST API • Cartes Bancaires 3DS2 |
| Callback & Signature Security | SHA-256 Checksum Digital Seal |
| Currency Support | EUR (Euro) + International currencies |
| Merchant Settlement Cycle | T+1 automated credit into BNP Paribas account |
| 3DS2 Authentication | ✅ Full EMV 3-D Secure 2.x Frictionless & Challenge Support |
Prerequisites Required From BNP Paribas Mercanet
1Mercanet Merchant ID
2Secret Key (Clé secrète de signature)
3Merchant Portal Access in Mercanet Back-Office
Bank UAT Sign-Off & Live Launch Protocol
Most commercial banks mandate a completed User Acceptance Testing (UAT) sign-off sheet before they generate live production API credentials. We handle this process completely for you:
- Executing successful 3DS authorization with bank test cards
- Simulating bank card declines (insufficient funds, expired card, blocked BIN)
- Simulating canceled checkout sessions and back-button handling
- Verifying webhook server-to-server callback response (HTTP 200 with valid signature)
- Executing test refund transaction in bank test portal
- Submitting proof of transactions to the bank\'s technical onboarding desk
BNP Paribas Mercanet Project Scope
We develop custom plugins for WooCommerce, Laravel, Magento, and bespoke custom applications directly for BNP Paribas Mercanet.
Delivery in 3 - 5 business days
PCI-DSS SAQ A scope architecture
Client live connection verification
Free Architectural Review
Request Custom Integration Scope
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