Blog

Payments workflows, comparisons, and field notes

Posts that bridge the gap between Flint’s landing pages and the API docs: workflows, comparison points, and the operational questions that show up before you sign up.

September 20, 2026
Stripe Partial Refund: Discount and Tax Reversal
A Stripe partial refund carries no line items. Split one item's discount and tax, reverse its tax record, and track refunds per line, or refund by item.
September 18, 2026
Stripe Webhook Line Items: What Did They Buy?
checkout.session.completed arrives without line items. Get product, quantity, and metadata with a second request, or receive them inside the event.
August 2, 2026
Should My SaaS Become a Payfac?
What becoming a payfac costs a SaaS platform, what the processing spread earns, and why published volume thresholds track who publishes them, with sources.
July 25, 2026
Next.js and Stripe: What the Tutorials Leave Out
Next.js Stripe tutorials end at Checkout and the webhook. Production adds unpaid sessions, duplicate fulfillment, client-set prices, and an orders table.
May 30, 2026
Square Items vs Shopify Products: API Naming
Square calls catalog objects Items; Shopify and Stripe call them Products. Why Flint Pay chose Product, and how API naming shapes developer mental models.
March 20, 2026
Collect Deposits With Payment Links
How to collect booking deposits with payment links, then keep the deposit, the remaining balance, and any refund on one order instead of a spreadsheet.
March 20, 2026
Payment Links for Field Services
Payment links for field services, compared with invoices and card readers. When to text a link onsite, and when deposits and add-ons need an order behind it.
Stripe vs Order-First Payment APIs
Stripe vs order-first payment APIs: when charge-first processing stops being enough, and how an order keeps line items, tax, refunds, and history together.

Stripe Partial Refund: Discount and Tax Reversal

Stripe Webhook Line Items: What Did They Buy?

Should My SaaS Become a Payfac?

Next.js and Stripe: What the Tutorials Leave Out

Square Items vs Shopify Products: API Naming

Collect Deposits With Payment Links

Payment Links for Field Services

Stripe vs Order-First Payment APIs