We architect and deploy custom Solidity and Rust smart contracts that power your core business logic. Our process delivers audit-ready code in 2-4 weeks, with a focus on gas optimization and upgradability patterns.
LABS
Services
Institutional Payment API Gateway
An enterprise-grade API layer and SDK that abstracts blockchain complexity, enabling institutions to integrate complex, multi-chain payment flows directly into existing treasury and ERP systems.
Chainscore © 2026
overview
CORE SERVICE
Smart Contract Development
Secure, production-ready smart contracts built for scale and compliance.
We build the secure, unbreakable foundation your application depends on.
- Security-First Development: Code follows
OpenZeppelinstandards and undergoes internal review before formal audit. - Protocol-Specific Expertise: DeFi (AMMs, lending), NFTs (ERC-721A, ERC-1155), and enterprise tokenization (ERC-1400, ERC-3643).
- Full Lifecycle Support: From architecture and testing to deployment on Mainnet and ongoing maintenance.
key-features-cards
INSTITUTIONAL-GRADE INFRASTRUCTURE
Core Capabilities of Our Payment Gateway
Our API gateway is engineered for financial institutions and high-volume platforms, delivering the reliability, compliance, and performance required for mission-critical payment operations.
benefits
ENTERPRISE-GRADE RESULTS
Business Outcomes for Your Institution
Our Institutional Payment API Gateway delivers measurable improvements in operational efficiency, compliance, and user experience. Built for scale and security.
01
Instant Settlement & Liquidity
Process high-volume crypto payments with sub-2-second finality. Access deep, aggregated liquidity across 50+ DEXs and CEXs to minimize slippage on large transactions.
< 2 sec
Settlement Time
50+
Liquidity Sources
02
Regulatory Compliance by Design
Automated transaction monitoring and reporting for AML/CFT compliance. Built-in KYC/KYB verification flows and sanctions screening, with audit trails for regulators.
24/7
Monitoring
0
Compliance Violations
03
Reduced Operational Overhead
Replace manual reconciliation and multi-wallet management with a single, unified API. Automate treasury operations and reporting, cutting administrative costs by up to 70%.
70%
Cost Reduction
1 API
Unified Interface
04
Enhanced Developer Velocity
Integrate blockchain payments in under 2 weeks with comprehensive SDKs, sandbox environments, and 24/7 technical support. Focus on your core product, not infrastructure.
< 2 weeks
Integration Time
99.9%
API Uptime SLA
05
Enterprise-Grade Security
SOC 2 Type II compliant infrastructure with MPC-based custody, multi-sig governance, and insurance-backed asset protection. All smart contracts are audited by leading security firms.
SOC 2
Compliant
MPC
Custody
06
Scalable Global Payments
Support 100+ cryptocurrencies and stablecoins across 15+ blockchains. Enable seamless cross-border payments for your users with real-time FX conversion and local payout options.
100+
Assets
15+
Blockchains
A Strategic Comparison
Build vs. Buy: The Institutional Payment Infrastructure Decision
Evaluating the total cost, risk, and time investment for developing a compliant, multi-chain payment gateway in-house versus partnering with Chainscore.
| Key Factor | Build In-House | Chainscore API Gateway |
|---|---|---|
Time to First Transaction | 6-12+ months | 2-4 weeks |
Initial Development Cost | $250K - $750K+ | $0 (integration only) |
Annual Maintenance & DevOps | $150K - $300K | Included in subscription |
Security & Compliance Burden | High (Your team's liability) | Low (Our audited, insured platform) |
Multi-Chain Support (EVM) | Months of integration per chain | Instant access to 10+ chains |
Fraud & AML Monitoring | Build from scratch ($100K+) | Built-in, real-time screening |
Settlement Finality SLA | Variable (depends on chain RPC) | Guaranteed < 2 seconds |
24/7 Technical Support | Requires on-call team | Included with 99.9% uptime SLA |
Total Cost of Ownership (Year 1) | $400K - $1M+ | Starts at $50K/year |
how-we-deliver
PREDICTABLE, TRANSPARENT PROCESS
Our Delivery Methodology: From Integration to Go-Live
A structured, phased approach designed for institutional clients. We provide clear timelines, dedicated resources, and transparent communication to ensure your payment gateway is live and processing transactions within weeks.
01
Phase 1: Discovery & Architecture
We conduct a technical deep-dive to map your existing payment flows and define the optimal blockchain integration architecture. Deliverables include a detailed technical specification and a project roadmap with clear milestones.
1-2 weeks
Duration
100%
Specification Lock
02
Phase 2: Secure Integration
Our engineers implement the API gateway with enterprise-grade security, including MPC-based key management and fraud detection modules. We provide a dedicated staging environment for your team to test.
2-3 weeks
Development
SOC 2 Type II
Compliance
03
Phase 3: Staging & Compliance Testing
Rigorous testing in an isolated environment that mirrors production. We facilitate end-to-end transaction simulations, load testing, and assist with your internal security and compliance reviews.
1-2 weeks
Testing Cycle
99.9%+
Test Pass Rate
04
Phase 4: Production Deployment & Go-Live
Managed cutover to the production environment with zero downtime for existing systems. We provide 24/7 monitoring support during the launch window and a dedicated technical account manager.
< 48 hours
Deployment Window
24/7
Launch Support
05
Phase 5: Ongoing Support & Optimization
Post-launch, we offer SLA-backed support, performance dashboards, and quarterly business reviews. We handle protocol upgrades, security patches, and help you optimize transaction costs.
99.95%
Uptime SLA
< 15 min
Critical Response
Institutional Payment API Gateway
Frequently Asked Questions
Common questions from CTOs and product leaders evaluating blockchain payment infrastructure.
Standard gateway deployment takes 2-4 weeks from kickoff to production. This includes integration, custom rule configuration, and a 7-day pilot phase. Complex multi-chain or high-volume (>10K TPS) deployments may extend to 6-8 weeks.
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