StableIn PaymentsStablecoin checkout and merchant operations software

SolutionsLocal workflow demo

Connect stablecoin payments to your digital business.

Whether you deliver files, account access or a branded service, a payment should continue through your own order workflow.

Tech stack

  • Solidity
  • EVM
  • ERC-20
  • TypeScript
  • NestJS
  • MySQL
  • Foundry
StableIn Payments · Digital fulfillment result
Digital fulfillment resultDemo excerpt · Full screenshot

01 / Solutions

Start with something you can deliver

Define the price, supported network, delivery action and after-sales process. Once payment is confirmed, your business grants a download or activates access and keeps the order available for lookup.

StableIn Payments · Digital fulfillment result
Digital fulfillment resultDemo excerpt · Full screenshot

WHAT WE CAN BUILD WITH YOU

Your market. Your version.

These are customization directions. We agree what to retain, adapt and add before preparing an implementation proposal and quote.

01

Digital download storefront

Connect payment notifications to download access and tailor delivery, order emails and customer lookup.

02

SaaS access sales

Map a one-time purchase to plan access and an expiry date. Scope automatic renewal separately.

03

A branded payment business

Customize merchant onboarding, fees, checkout design and reconciliation exports around your merchant audience.

BUILT BEHIND THE EXPERIENCE

See how the workflow is built.

01

Checkout and SDK

A browser SDK connects sites to checkout. Server-side quotes help protect payment amounts from frontend changes.

02

Confirmation and notifications

Backend workers follow confirmation state and deliver signed Webhooks, with retries for failed notifications.

03

Orders and after-sales

MySQL records connect settlements, access delivery and refunds. The demo covers deduplicated fulfillment after notification retries.

More from the product

StableIn Payments · Merchant order details
Merchant order detailsDemo excerpt · Full screenshot

BUILT BY 0xF1 / 2026-10-20

What I’m building here

My development focus connects checkout, confirmation, signed notifications and merchant fulfillment, including recovery records when notifications fail.

  • Checkout and SDK
  • Confirmation and notifications
  • Orders and after-sales

Why not deliver immediately after payment?

Verify the notification and current order, then deduplicate by event and order. The demo recovers a failed receiver while repeated notifications still lead to one fulfillment; payment and delivery keep separate states.

What comes next

Further work includes real-wallet compatibility and business integration.

EXPLORE THE PRODUCT

Choose what matters to your business.

Questions before we talk

Do we need to rebuild our storefront?

You can retain the storefront and use an SDK button to start checkout. The merchant backend determines the amount and asset.

Where does the payment go?

The payment transaction sends the merchant net amount to the configured recipient wallet, with platform fees recorded separately.

StableIn Payments / FONE

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