We architect and deploy custom smart contracts on EVM and Solana that power your core business logic. Our development process is built on security-first principles, utilizing battle-tested libraries like OpenZeppelin and rigorous internal audits before deployment.
LABS
Services
Stablecoin Payment Gateway for Utility Bills
We develop and integrate compliant, automated payment gateways that enable consumers and businesses to pay utility bills using stablecoins, with full on-chain reconciliation and reporting.
Chainscore © 2026
overview
CORE SERVICE
Smart Contract Development
Secure, production-ready smart contracts built for scale and compliance.
Deliver a secure, auditable, and gas-optimized foundation for your dApp in as little as 2-4 weeks.
- Full-Stack Integration: Seamless connection with your frontend and backend via
web3.js,ethers.js, orAnchor. - Compliance-Ready: Built-in support for
ERC-20,ERC-721,ERC-1155, and custom standards with upgradeability patterns. - Post-Deployment Support: Includes verification on block explorers, monitoring setup, and incident response planning.
key-features-cards
ENTERPRISE-GRADE INFRASTRUCTURE
Core Features of Our Payment Gateway
Our stablecoin payment gateway is engineered for reliability and scale, providing the technical foundation for seamless utility bill settlement.
01
Real-Time Settlement & Multi-Chain Support
Process payments on Ethereum, Polygon, and Arbitrum with sub-5 second finality. Eliminate traditional banking delays and settle utility bills instantly, 24/7.
< 5 sec
Settlement Time
3+
Supported Chains
02
Regulatory Compliance & KYT Integration
Built-in Know-Your-Transaction (KYT) screening with Chainalysis and TRM Labs. Automated compliance workflows ensure adherence to global AML/CFT regulations for every payment.
100%
Transaction Screening
2
Compliance Partners
03
Enterprise-Grade Security & Custody
Non-custodial architecture with MPC wallet technology. All smart contracts are audited by Halborn and undergo regular penetration testing to protect user funds.
99.9%
Uptime SLA
MPC
Wallet Tech
04
Fiat On/Off-Ramp Aggregation
Integrated with multiple licensed providers (MoonPay, Ramp) for seamless conversion between stablecoins (USDC, USDT) and local fiat currencies, simplifying user deposits and withdrawals.
50+
Fiat Currencies
2+
Provider Options
05
Automated Reconciliation & Reporting
Real-time transaction logging and automated reconciliation with existing billing systems. Generate detailed audit trails and financial reports for accounting and compliance teams.
Real-time
Data Sync
API-First
Integration
06
Developer-First API & SDK
Comprehensive REST APIs and TypeScript/React SDKs for rapid integration. Includes webhook support for payment status updates and a sandbox environment for testing.
< 2 weeks
Avg. Integration
24/7
Dev Support
benefits
DELIVERABLES
Business Outcomes for Your Platform
Our stablecoin payment gateway delivers measurable infrastructure improvements, enabling you to capture new revenue streams and build a more resilient financial product.
01
Faster Time-to-Market
Deploy a fully integrated, white-label stablecoin payment solution in under 4 weeks. We handle the smart contract suite, compliance checks, and merchant dashboard integration so you can launch faster.
< 4 weeks
Deployment Time
Pre-audited
Contract Suite
02
Reduced Transaction Costs
Cut utility payment processing fees by over 70% compared to traditional card networks. Our on-chain settlement eliminates intermediaries, passing significant savings to you and your end-users.
> 70%
Cost Reduction
Sub-cent
Settlement Fees
03
Enhanced Security & Compliance
Built with enterprise-grade security. All core smart contracts are audited by leading firms and include automated sanctions screening (OFAC) and anti-money laundering (AML) checks for every transaction.
Third-party
Security Audits
Real-time
Compliance Checks
04
Global Payment Accessibility
Enable instant, 24/7 utility bill payments from anywhere in the world. Support major stablecoins (USDC, USDT) and provide local fiat on/off-ramps to serve both crypto-native and traditional users.
24/7/365
Settlement
100+
Countries Supported
05
Improved Cash Flow & Liquidity
Receive settlements in minutes, not days. Convert stablecoin receipts to fiat automatically via our institutional partners or manage treasury directly on-chain for superior yield opportunities.
< 5 min
Settlement Finality
Auto-convert
Fiat Options
06
Scalable Infrastructure
Handle millions of micro-payments with 99.9% uptime SLA. Our system is built on battle-tested Layer 2s (Polygon, Arbitrum) and EVM chains for low-cost, high-throughput transactions at scale.
99.9%
Uptime SLA
Millions
TPS Capacity
how-we-deliver
PROVEN METHODOLOGY
Our Development & Integration Process
A streamlined, security-first approach to deploy your stablecoin payment gateway. We focus on rapid integration, regulatory compliance, and enterprise-grade reliability to get you to market faster.
01
Discovery & Architecture Design
We analyze your specific utility bill use case to design a scalable, compliant gateway architecture. This includes selecting optimal blockchain networks (Polygon, Base, Arbitrum), token standards (ERC-20, ERC-1363), and defining the settlement flow.
2-3 days
Design Sprint
100%
Requirement Mapping
02
Smart Contract Development & Auditing
Our engineers build custom, gas-optimized smart contracts for payment processing, escrow, and multi-signature treasury management. All code undergoes rigorous internal review and is prepared for third-party security audits.
OpenZeppelin
Security Standards
2+ Audits
Security Layers
03
Backend API & Integration Layer
We develop a robust backend service with REST/Webhook APIs to connect your existing billing systems to the blockchain. This handles transaction monitoring, invoice reconciliation, and real-time status updates.
< 100ms
API Latency
99.9% SLA
Uptime
04
Frontend SDK & Merchant Dashboard
Receive a white-label merchant dashboard for managing payments and a lightweight SDK (Web & Mobile) for easy integration into your customer-facing applications. Includes real-time analytics and reporting.
< 1 day
Integration Time
React/Flutter
SDK Support
05
Security Hardening & Penetration Testing
Before launch, the entire system undergoes comprehensive security testing, including smart contract fuzzing, infrastructure penetration tests, and compliance checks for financial data handling (PCI DSS principles).
OWASP Top 10
Coverage
Zero Critical
Launch Status
06
Deployment & Go-Live Support
We manage the production deployment on your chosen infrastructure (AWS, GCP) with automated CI/CD pipelines. Includes 24/7 monitoring, alerting, and dedicated technical support during the launch phase.
2 weeks
Avg. Deployment
30 days
Launch Support
Choose Your Integration Path
Stablecoin Gateway Development Tiers
Compare our structured service packages for building a compliant, multi-chain stablecoin payment gateway for utility bills.
| Core Capabilities | Rapid Launch | Scalable Platform | Enterprise Suite |
|---|---|---|---|
Multi-Chain Smart Contracts (ERC-20) | |||
Automated Biller Onboarding Portal | |||
Real-Time FX & Settlement Engine | |||
Compliance Module (KYC/AML/OFAC) | Basic | Advanced | Custom |
Technical Support & SLA | Email (Business Hours) | 24/7 Chat & Phone | Dedicated Engineer |
Deployment & Go-Live Timeline | 4-6 weeks | 8-12 weeks | Custom |
Post-Launch Monitoring & Maintenance | 1 month | 6 months | Ongoing SLA |
Smart Contract Security Audit | 1 External Audit | 2 External Audits + Internal Review | Full Audit Suite + Bug Bounty |
Integration Support | Documentation | Technical Guidance | Hands-On Development |
Starting Project Investment | $25,000 | $75,000 | Custom Quote |
Stablecoin Payment Gateway
Frequently Asked Questions
Get clear answers on how we build and deploy secure, compliant stablecoin gateways for utility bill payments.
We deliver a production-ready, white-labeled gateway in 4-6 weeks from kickoff. This includes smart contract development, API integration, frontend dashboard, and initial testing. Complex integrations with legacy utility billing systems may extend this to 8 weeks. We provide a detailed Gantt chart during the scoping phase.
ENQUIRY
Get In Touch
today.
Our experts will offer a free quote and a 30min call to discuss your project.
NDA Protected
Confidentiality24h Response
Time to ValueDirectly to Engineering Team
No Sales Fluff10+
Protocols Shipped
$20M+
TVL Overall