We architect and deploy custom smart contracts that form the backbone of your Web3 application. Our development process is built on audited security patterns and gas-optimized code to ensure reliability and cost-efficiency from day one.
LABS
Services
Multi-Chain Payment Gateway Development
We build merchant-facing APIs and SDKs that abstract blockchain complexity, enabling businesses to accept payments in multiple cryptocurrencies from any supported chain through a single integration.
Chainscore © 2026
overview
CORE SERVICE
Smart Contract Development
Secure, production-ready smart contracts built for scale and compliance.
- Full-Stack Expertise:
Solidity/Rust/Vyperdevelopment for EVM, Solana, and other L1/L2 networks. - Security-First: All contracts undergo rigorous internal audits and are built with
OpenZeppelinstandards. - Compliance Ready: Integrate regulatory features like whitelists, pausable functions, and upgradeable proxies.
We deliver battle-tested contracts that power DeFi protocols, NFT marketplaces, and enterprise applications with 99.9% uptime SLAs.
- End-to-End Delivery: From technical specification and development to deployment, verification, and mainnet launch support.
- Measurable Outcomes: Achieve 2-4 week MVP delivery cycles and reduce post-launch security incidents to near zero.
key-features-cards
ENTERPRISE-GRADE INFRASTRUCTURE
Core Gateway Capabilities We Deliver
Our multi-chain payment gateway is built on battle-tested infrastructure, delivering the reliability, security, and performance required for high-volume financial applications.
01
Unified Multi-Chain Settlement
A single API endpoint to process payments across 15+ EVM and non-EVM chains. We handle the complexity of cross-chain routing, gas estimation, and finality so you can focus on your product.
15+
Supported Chains
< 2 sec
Avg. Settlement
02
Enterprise-Grade Security & Compliance
Smart contracts audited by leading firms like CertiK and Quantstamp. Infrastructure is SOC 2 Type II compliant with automated threat monitoring and real-time fraud detection.
SOC 2
Compliance
Zero
Audit Findings
03
Real-Time Payment Analytics
Monitor transaction success rates, gas costs, and revenue streams across all integrated chains from a single dashboard. API webhooks for instant settlement notifications.
99.9%
Uptime SLA
Real-time
Data Sync
04
Gas Optimization Engine
Proprietary algorithms to batch transactions and dynamically select the most cost-effective chain for settlement, reducing your users' fees by up to 40%.
40%
Avg. Fee Reduction
EIP-1559
Optimized
05
White-Label Merchant Portal
Fully customizable dashboard for your clients to manage invoices, view transaction history, and generate on-chain payment reports. Deploy your branded portal in under 2 weeks.
< 2 weeks
Deployment
100%
Custom Branding
06
24/7 Infrastructure Monitoring
Dedicated SRE team and automated systems ensure 99.9% uptime. We provide detailed post-mortems for any incident and proactive alerts for network congestion.
99.9%
Uptime SLA
< 5 min
Response Time
benefits
TANGIBLE RESULTS
Business Outcomes for Your Platform
Our multi-chain payment gateway is engineered to deliver measurable improvements to your core business metrics. We focus on outcomes that directly impact your bottom line and user growth.
01
Expand Market Reach
Instantly access users and liquidity across 15+ major blockchains (Ethereum, Solana, Polygon, Arbitrum, Base) without building separate integrations. Unlock new revenue streams from emerging ecosystems.
15+
Chains Supported
0 days
Integration Time
02
Reduce Transaction Costs
Intelligent routing automatically selects the most cost-effective network for each transaction, slashing gas fees by up to 90% compared to single-chain solutions. Pass savings to users or boost your margins.
Up to 90%
Gas Savings
Real-time
Fee Optimization
03
Accelerate Settlement
Bypass slow, congested networks. Achieve near-instant payment finality by leveraging high-throughput chains like Solana and Polygon, with sub-2-second confirmation for 99% of transactions.
< 2 sec
Avg. Finality
99%
Success Rate
04
Enhance Security & Compliance
Enterprise-grade security with audited smart contracts, MPC-based key management, and built-in compliance tools for AML/KYC. Protect user funds and ensure regulatory adherence from day one.
100%
Funds Insured
SOC 2
Compliance Ready
05
Simplify Developer Experience
A single, unified API abstracts away blockchain complexity. Your team integrates once and gets access to all supported chains, reducing development time from months to weeks.
1 API
All Chains
< 2 weeks
Integration Time
06
Increase Transaction Volume
Higher success rates, lower fees, and faster speeds directly convert to increased user adoption and transaction throughput. Handle scaling from hundreds to millions of TPS seamlessly.
99.9%
Platform Uptime SLA
Millions
TPS Capacity
Choose the right path for your payment gateway
Structured Development Packages
Compare our standardized packages for multi-chain payment gateway development, from MVP launch to enterprise-grade deployment.
| Feature / Deliverable | Starter | Professional | Enterprise |
|---|---|---|---|
Multi-Chain Core Contracts (EVM) | |||
Supported Chains | 2 (e.g., Ethereum, Polygon) | Up to 5 | Unlimited |
Smart Contract Audit (Internal) | Basic Review | Full Audit + Report | Full Audit + 3rd Party Review |
Payment Method Integration | Crypto-Only | Crypto + 1 Fiat On-Ramp | Crypto + Multi-Fiat & Stablecoins |
Deployment & Configuration | Self-Service | Full Deployment Support | White-Glove Deployment & Training |
Admin Dashboard | Basic | Advanced Analytics | Custom Branded with API |
Support & SLA | Email (72h) | Priority Slack (24h) | 24/7 Dedicated Engineer |
Compliance Features | Basic KYC Checks | Advanced AML + Geo-Blocking | Full Regulatory Module Suite |
Time to Launch | 4-6 weeks | 8-12 weeks | Custom Timeline |
Starting Investment | $25,000 | $75,000 | Custom Quote |
how-we-deliver
PREDICTABLE, SECURE, AND SCALABLE
Our Development & Integration Process
We deliver production-ready multi-chain payment gateways through a structured, transparent process designed for technical founders. From initial architecture to final audit, our methodology ensures security, speed, and seamless integration with your existing stack.
01
Discovery & Architecture Design
We begin with a deep technical dive into your business logic, tokenomics, and target chains. We deliver a comprehensive technical specification and system architecture diagram, ensuring the solution is built on optimal protocols (EVM, Solana, Cosmos) from day one.
1-2 weeks
Specification Delivery
5+ chains
Architecture Support
02
Smart Contract Development & Auditing
Our senior Solidity/Rust developers build your core payment settlement and routing logic. Every contract undergoes rigorous internal review followed by a formal security audit with partners like CertiK or Quantstamp, with findings remediated before deployment.
100% audited
Code Coverage
OZ Patterns
Security Standard
03
Backend API & Dashboard Integration
We build the scalable backend services for transaction monitoring, fee management, and reporting, plus a white-label merchant dashboard. APIs are delivered with comprehensive documentation and SDKs for easy integration into your frontend or mobile app.
REST & WebSocket
API Types
< 100ms
P95 Latency
04
Multi-Chain Deployment & Testing
We manage the full deployment lifecycle across your specified testnets and mainnets (Ethereum, Polygon, Arbitrum, etc.). This includes comprehensive stress testing, gas optimization, and the establishment of automated monitoring and alerting systems.
99.9% SLA
Post-Launch Uptime
2 weeks
Typical Deployment
05
Security & Compliance Framework
We implement enterprise-grade security practices including multi-sig treasury management, real-time threat detection, and compliance tools for transaction screening (e.g., Chainalysis). We ensure your gateway meets operational security standards from day one.
SOC 2 Type II
Infrastructure
24/7
Monitoring
06
Ongoing Support & Scaling
Your dedicated technical team provides ongoing maintenance, performance optimization, and support for adding new chains or payment methods. We offer clear SLAs for incident response and feature updates to scale with your growth.
< 1 hour
Critical Response
30+
Supported Assets
security
CORE SERVICE
Smart Contract Development
Secure, production-ready smart contracts built to your exact specifications.
We architect and deploy custom smart contracts that form the immutable backbone of your application. Our development process is built on security-first principles, utilizing battle-tested libraries like OpenZeppelin and rigorous internal audits before deployment to EVM or Solana networks.
Deliver a fully audited, gas-optimized contract suite in as little as 2-4 weeks.
- Custom Logic: From
ERC-20/ERC-721tokens to complex DeFi protocols and DAO governance systems. - Security & Audits: Multi-stage review process, with optional integration for third-party audits from firms like CertiK or Quantstamp.
- Full Lifecycle Support: Development, testing, deployment, verification, and ongoing upgrade management via proxy patterns.
Multi-Chain Payment Gateway
Frequently Asked Questions
Get clear, specific answers about our development process, timelines, security, and support for your payment gateway project.
We deliver a production-ready MVP in 4-6 weeks for a standard gateway supporting 2-3 chains (e.g., Ethereum, Polygon, Solana). Complex deployments with 5+ chains, custom tokenomics, or advanced fraud detection can take 8-12 weeks. This includes smart contract development, frontend integration, and initial security audit.
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