A customer taps Pay, the network drops, the app retries, and the card is charged twice. Here is how to make payment retries safe in Laravel and MySQL, tested with 50 simultaneous requests.
Category
FinTech & Payments
Payment gateways, BNPL, wallets, webhooks, idempotency and reconciliation, from real integrations.
2 articles
Build a payment webhook endpoint in Laravel that verifies HMAC signatures, acks fast, survives retries and duplicates, and processes events safely with queues and MySQL.
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