Industries / Payments
Payments that settle in under a second.
Crypto payment gateway development for stablecoin settlement across multiple currencies, built and shipped in five weeks.
Astra Short on time? Ask about this page in plain words.
What we built for payments. Stablecoin payment rails for multi-currency settlement.
Stablecoin settlement
Payments settled on stablecoin rails instead of slow traditional routes.
Multi-currency
Settlement across multiple currencies, live.
Sub-second settlement
Settlement in under one second.
5-week build
Designed, built and shipped in five weeks.
What else we can build for payments. Capabilities we offer. We have not delivered these in this industry yet.
Merchant checkout
Stablecoin payments at checkout, alongside existing methods.
Payouts
Cross-border payouts to suppliers, partners or users.
Treasury dashboard
Balances, settlements and reconciliation in one view.
Card programs
Card spending funded by digital assets, with Apple Pay and Google Pay.
Our payments work, and related systems. Each result comes from a delivered engagement.
Stablecoin payment rails
Multi-currency stablecoin settlement, built and shipped in five weeks.
<1 sec settlement Web3 · ExchangeCentralized crypto exchange
Matching engine, custody and KYC/AML built from scratch in a 20-week build.
99.9% uptime since launch Web3 · SecuritySmart contract audit & deployment
A full audit and multi-chain deployment, closing every finding before launch.
0 critical findingsIs cross-currency settlement slow or expensive for you?
The technology behind our Web3 platforms. Chosen per chain, asset and custody model.
01 / 06
Blockchains
The chains we deploy on, chosen for fees, speed and where your users are.
- Ethereum
- Solana
Aptos- BNB Chain
- Polygon
02 / 06
Smart contract languages
What the on-chain logic is written in.
- Solidity
- Rust
03 / 06
Development frameworks
Building, testing and auditing contracts before they hold value.
- Hardhat
- OpenZeppelin
04 / 06
Custody and wallets
How assets and keys are held, by you or your users.
Fireblocks- MetaMask
- WalletConnect
05 / 06
Oracles and on-chain data
Getting real-world prices and indexed data on-chain.
- Chainlink
- The Graph
06 / 06
Frontend integration
Connecting the app your users see to the chain.
- ethers.js
- wagmi
From first use case to production. Four stages, with a working version reviewed at each one.
-
Discovery
Map the payment flows, the systems and data involved, and what good looks like.
Discovery notes
- Currencies, volumes and partners
- Compliance requirements
- Launch date
-
Scope & architecture
Agree the architecture, success measures and delivery milestones.
Solution design
- Payment architecture
- Custody and compliance design
- Milestones
-
Build
Build against real data, with a working version reviewed at each milestone.
Working build
- Working rails in staging
- Security testing
- Settlement tests
-
Ship & support
Roll out to production with monitoring and a defined support window.
Production rollout
- Launch
- Monitoring
- Support window
Why Avinya for payments. We have shipped stablecoin rails on a tight timeline.
Delivered, not theoretical
The work on this page is live, with results from the engagement.
Security first
Contracts are audited before launch. Our most recent audit launched with zero critical findings.
Compliance designed in
KYC/AML and audit trails built into the platform. We work alongside your legal counsel. We do not give legal advice.
We stay after launch
Monitoring and a defined support window after go-live.
Engagement models. Pick the shape that fits where you are.
Dedicated team
A dedicated team that works as an extension of yours, from first release to scale.
Project-based
A defined scope, milestones and delivery date for a specific product or workflow.
Consulting & advisory
Architecture and readiness advice before you commit to a build.
Guides on this topic. Plain answers to the questions buyers ask first.
Stablecoin Payments: Why Businesses Are Moving to Rails Now
Why banks, fintechs and merchants adopt stablecoin payments, and what the GENIUS Act changes.
Read the guide → GuideShopify USDC Payments on Base: What Merchants Should Know
How USDC payments work in Shopify, where they are available and what builders can learn.
Read the guide → GuideHow to Choose a Web3 Development Partner: A Checklist
What to check before hiring a blockchain development company.
Read the guide →Stablecoin payments FAQs.
How fast is settlement?
Under one second on the rails we built.
How long did the build take?
Five weeks. Your timeline depends on scope and integrations.
Which currencies are supported?
The rails we built support settlement across multiple currencies. The currencies for your case are agreed during discovery.
How do you handle security?
Contracts go through a full audit before launch and every finding is worked through before deployment. Our most recent audit launched with zero critical findings.
What does crypto payment gateway development involve?
Wallet handling, settlement, refunds, reconciliation and compliance checks. Crypto payment gateway development has to meet local rules, so we plan against the FATF guidance on virtual assets.
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