pro
Nyikwagh Moses
Fintech & Payments Engr: Stripe, Paystack & Crypto Checkout
Payment tip: your webhook handler will get the same event twice. Plan for it.
Stripe and Paystack both retry webhooks after timeouts. If your handler credits a wallet on every call, one retry means a double payout.
My setup:
1. Verify the signature first, using HMAC on the raw...
Practical tip for crypto checkout: never trust the amount from the frontend.
On 2Settle I re-derive the expected value server side and confirm on-chain before releasing anything. That means verifying the transaction hash, checking confirmations per chain (BTC waits longer than...
Paystack tip that saves a support headache: never trust the frontend callback to confirm payment.
The redirect can fire before funds settle, or the user closes the tab.
Verify server side by calling the transaction verify endpoint with the reference, and mark the order paid only...
Client build: finesseplans.com
The ask: a family financial planning firm needed a site that turns visitors into booked discovery calls.
Shipped: a Next.js site with 10 service pages, a resources hub (blog, guides, videos), an events calendar, and Google Calendar booking wired into...
finesseplans.com
Finesse Plans | Building Complete Financial Protection for Families
At Finesse Plans, we help families secure their future through personalized strategies focused on income protection, retirement planning, and legacy preservation.
2Settle update: crossed $583K processed this year moving crypto to fiat across BTC, ETH, and Tron. Every user gets their own HD wallet, and each incoming transaction runs a fraud detection pass before it settles. The tricky part was never the chains. It was making settlement...