Nigerian Payment Gateway Integration Guide
A developer and founder guide explaining how to implement reliable payment webhooks, signature verification, and automated transaction reconciliation.
What's Included in This Resource
1. Webhook Signature Verification
HMAC SHA512 security implementations in Node.js, Next.js API routes, and Python to prevent fraudulent webhook spoofing.
2. Idempotency & Duplicate Prevention
Techniques for storing unique transaction reference IDs to prevent duplicate fulfillment during network retries.
3. Dedicated Virtual Account Generation
How to dynamically generate reserved NUBAN bank accounts for customers to pay via instant bank app transfers.
4. Automated Settlement & Fee Auditing
Reconciling gross incoming transaction revenue against net bank payouts after gateway transaction fees.
How to Use in Your Business
1. Download the template file to your local computer or Google Drive.
2. Customize the placeholders with your business name, staff roles, and pricing rules.
3. Conduct a 20-minute training walkthrough with your team to review the workflow standards.