We architect and deploy custom smart contracts on EVM-compatible chains like Ethereum, Polygon, and Arbitrum. Our development process ensures audit-ready code from day one, leveraging battle-tested libraries like OpenZeppelin and following security patterns to mitigate reentrancy and overflow risks.
LABS
Services
White-Label Cross-Border Remittance API
A turnkey API service for FinTechs to embed fast, low-cost international money transfers using stablecoins and blockchain rails directly into existing mobile applications.
Chainscore © 2026
overview
CORE SERVICE
Smart Contract Development
Secure, production-ready smart contracts built by Web3 experts to power your dApp.
- Custom Logic: From
ERC-20/721/1155tokens to complex DeFi protocols and DAO governance systems. - Full Lifecycle: Development, testing (
Hardhat/Foundry), deployment, and post-launch monitoring. - Guaranteed Security: Every contract undergoes internal review and is prepared for third-party audits by firms like
CertiKorTrail of Bits.
Reduce your time-to-market. We deliver a production-ready MVP in 2-4 weeks, with clear documentation and ownership transferred to your team.
key-features-cards
BUILT FOR SCALE
Core API Capabilities
Our Mobile Cross-Border Remittance API is engineered for enterprise reliability, delivering the speed, security, and compliance required for high-volume financial applications.
01
Real-Time Settlement Engine
Process cross-border payments with sub-2 second finality using our optimized on-chain settlement layer. Eliminate multi-day delays and provide users with instant confirmation.
< 2 sec
Settlement Time
99.9%
Success Rate
02
Multi-Chain Liquidity Aggregation
Access aggregated liquidity across Ethereum, Polygon, Arbitrum, and Solana. Our smart order routing automatically finds the best rates and lowest fees for any currency pair.
10+
Blockchains
0.1% avg
Swap Fee
03
Regulatory Compliance & AML
Built-in compliance checks with sanctions screening (OFAC) and transaction monitoring. Configurable rules engine supports regional KYC/AML requirements for seamless global operation.
24/7
Monitoring
OFAC
Screening
04
Fiat On/Off Ramps
Seamlessly integrate local payment methods (bank transfers, mobile money, cards) with 150+ currencies. Handle conversions, FX rates, and local settlement automatically.
150+
Currencies
30+
Countries
05
Enterprise-Grade Security
SOC 2 Type II compliant infrastructure with MPC wallets, multi-sig governance, and real-time threat detection. All smart contracts are audited by leading security firms.
SOC 2
Compliant
MPC
Wallet Tech
06
Developer-First SDK & Docs
Integrate in days, not months. Our TypeScript/Go SDKs, comprehensive API documentation, and dedicated sandbox environment accelerate your time-to-market.
< 1 week
Integration
24/7
Dev Support
benefits
ENTERPRISE-GRADE INFRASTRUCTURE
Why FinTechs Choose Our API
Our Mobile Cross-Border Remittance API is built for scale, security, and compliance, enabling FinTechs to launch and grow their international payments business without the technical burden.
02
Global Payout Network
Direct integrations with 300+ banks, mobile wallets, and cash pickup networks across 100+ countries. Access local rails (SEPA, ACH, UPI, PIX) with a single API call.
100+
Countries
300+
Payout Partners
03
Sub-Second Settlement & 99.9% Uptime
Real-time transaction processing with sub-second API response times. Backed by a 99.9% uptime SLA and multi-region failover to ensure your service is always available.
99.9%
Uptime SLA
< 1 sec
API Response
04
Transparent, Predictable Pricing
No hidden fees or FX markups. Simple, per-transaction pricing with volume discounts. Real-time FX rates from institutional liquidity providers.
$0
Setup Fees
0.5%
Avg. FX Spread
06
Enterprise-Grade Support
Dedicated solution architects and 24/7 technical support with <15 minute response time for P1 incidents. We partner with you from integration to scaling.
24/7
Support
< 15 min
P1 Response
For Cross-Border Remittance APIs
Build vs. Buy: The Infrastructure Trade-Off
A detailed comparison of the costs, risks, and timelines associated with developing a compliant, high-performance cross-border payment API in-house versus leveraging Chainscore's specialized platform.
| Key Factor | Build In-House | Buy with Chainscore |
|---|---|---|
Time to Market (MVP) | 6-12+ months | 4-8 weeks |
Initial Development Cost | $300K - $800K+ | $50K - $150K |
Ongoing Maintenance & DevOps | 2-3 FTE engineers | Fully managed service |
Compliance & Licensing Overhead | High (Your responsibility) | Pre-integrated (Our responsibility) |
Security & Smart Contract Risk | High (Unaudited, custom code) | Low (Pre-audited, battle-tested) |
Supported Fiat/Crypto On-Ramps | Build per partner (3-6 months) | Pre-integrated (20+ providers) |
Cross-Chain Settlement Support | Custom bridge development | Native (EVM, Solana, Stellar) |
Uptime & Performance SLA | Your team's responsibility | 99.9% uptime guarantee |
Total Cost of Ownership (Year 1) | $500K - $1.2M+ | $75K - $200K |
how-we-deliver
PREDICTABLE DELIVERY
Our Integration & Delivery Process
A structured, transparent process designed for FinTech teams to integrate a compliant, high-performance remittance API in weeks, not months.
01
Discovery & Architecture Review
We conduct a technical deep-dive on your existing stack and compliance requirements. We deliver a detailed integration blueprint with API specs, token selection (USDC, USDT, EURC), and liquidity strategy.
1-2 days
Workshop
Detailed Spec
Deliverable
02
Sandbox Integration
Get immediate access to our testnet environment with full API documentation and SDKs. Integrate and test end-to-end flows—wallet creation, FX quotes, and transaction simulation—with zero commitment.
Instant
Access
Full SDKs
Included
03
Compliance & Security Onboarding
We handle the regulatory heavy-lifting. Our team integrates your KYC/AML providers and guides you through our security audit, ensuring adherence to global standards like Travel Rule.
SOC 2 Type II
Compliance
Audited
Smart Contracts
04
Production Deployment & Go-Live
We manage the seamless cutover to mainnet with guaranteed liquidity on-ramps. Includes performance benchmarking, monitoring dashboard setup, and 24/7 support launch.
< 4 weeks
Typical Timeline
99.9% SLA
From Day 1
security-compliance
FOUNDATION
Blockchain Infrastructure
Enterprise-grade, multi-chain infrastructure for scalable and secure Web3 applications.
We provide the foundational infrastructure so your team can focus on building, not managing nodes. Our platform delivers 99.9% uptime SLAs, global low-latency RPC endpoints, and real-time analytics across 15+ major chains including Ethereum, Solana, and Polygon.
- Managed Node Operations: Automated deployment, monitoring, and failover for full/archive nodes.
- Enhanced APIs: Access to historical data, transaction simulation, and gas optimization tools.
- Security & Compliance: SOC 2 Type II compliant infrastructure with DDoS protection and private endpoints.
Reduce your infrastructure management overhead by 80% and accelerate feature deployment from months to weeks.
Mobile Cross-Border Remittance API
Frequently Asked Questions
Get clear answers on how our API integrates, scales, and secures your global payments.
Typical integration takes 2-4 weeks from kickoff to production launch. This includes API key provisioning, environment setup, compliance checks, and a pilot transaction phase. We provide comprehensive documentation and dedicated technical support to accelerate your go-live.
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