We architect and deploy production-grade smart contracts with a focus on security, gas efficiency, and upgradability. Our development lifecycle includes formal verification and third-party audits from firms like Quantstamp and CertiK.
LABS
Services
Recurring Crypto Payment Gateway Integration
We integrate and customize fiat on-ramps, stablecoin processors, and crypto payment APIs to handle automated, reliable recurring billing for your hybrid Web2-Web3 business.
Chainscore © 2026
overview
CORE SERVICE
Smart Contract Development
Secure, audited smart contracts that power your Web3 product from MVP to mainnet.
- Custom Logic: Build
ERC-20,ERC-721,ERC-1155, and bespoke contracts for DeFi, NFTs, and DAOs. - Security-First: Implementation of OpenZeppelin standards, comprehensive unit/integration testing, and pre-audit review.
- Full Lifecycle: From architecture and development to deployment, verification, and post-launch monitoring.
Deploy with confidence. We ensure your core business logic is immutable, secure, and operates as intended.
key-features-cards
ENTERPRISE-GRADE
Core Integration Capabilities
We deliver production-ready, secure, and scalable payment infrastructure. Our modular architecture integrates seamlessly with your existing stack, ensuring rapid deployment and reliable operation.
01
Multi-Chain Smart Contract Deployment
Deploy audited, gas-optimized subscription contracts on Ethereum, Polygon, Arbitrum, and other EVM chains. Includes automated billing cycles, proration logic, and upgradeable proxy patterns for future-proofing.
8+
Supported Chains
OpenZeppelin
Security Standard
02
Secure Payment Processor Integration
Direct integrations with leading on-ramps (Stripe, MoonPay) and off-ramps for seamless fiat-to-crypto conversion. Includes fraud detection, KYC/AML compliance hooks, and real-time settlement reporting.
PCI DSS
Compliant
< 2 sec
Auth Time
03
Real-Time Webhook & Event System
Reliable webhook infrastructure for payment success/failure, subscription renewals, and cancellations. Guaranteed delivery with retry logic and full event history for reconciliation.
99.9%
Delivery SLA
< 100ms
Event Latency
04
Custom Admin Dashboard & APIs
White-labeled dashboard for managing customers, plans, and revenue. RESTful and GraphQL APIs for programmatic control, detailed analytics, and customer lifecycle management.
Full SDK
Included
24/7
API Uptime
05
Automated Compliance & Reporting
Built-in tools for tax calculation (VAT, GST), transaction reporting, and audit trails. Generates standardized reports for accounting (GAAP) and regulatory requirements.
Auto-Generated
Tax Forms
SOC 2
Framework
06
Scalable Infrastructure & Monitoring
Managed node infrastructure with load balancing, automatic failover, and 24/7 monitoring. Includes performance dashboards, alerting, and SLA-backed uptime for mission-critical payments.
99.95%
Uptime SLA
Global CDN
Deployment
benefits
TANGIBLE RESULTS
Business Outcomes You Can Measure
Our recurring crypto payment gateway delivers specific, measurable improvements to your financial operations and customer experience.
01
Predictable Revenue Streams
Automate subscription billing in crypto with 99.9% reliability, reducing failed payments and manual reconciliation overhead.
99.9%
Payment Success Rate
90%
Reduction in Manual Tasks
02
Global Payment Acceptance
Accept recurring payments in 100+ cryptocurrencies from customers in any jurisdiction, eliminating traditional cross-border friction.
100+
Supported Assets
< 2 sec
Payment Confirmation
03
Enterprise-Grade Security & Compliance
SOC 2 Type II compliant infrastructure with automated KYC/AML checks and non-custodial fund handling for complete risk mitigation.
SOC 2
Compliance
0
Custodial Risk
04
Developer Velocity
Integrate a full-featured payment gateway in under 2 weeks using our modular APIs and pre-built SDKs for major frameworks.
< 2 weeks
Integration Time
5+
SDK Languages
05
Real-Time Financial Reporting
Gain instant visibility into cash flow, subscriber churn, and revenue projections with automated, on-chain verified dashboards.
Real-time
Data Sync
100%
On-Chain Audit Trail
06
Reduced Operational Cost
Cut payment processing fees by up to 80% compared to traditional card networks and eliminate chargeback fraud.
Up to 80%
Fee Reduction
$0
Chargeback Loss
Choose Your Path to Production
Phased Integration Tiers
A structured approach to integrating our recurring crypto payment gateway, designed to match your project's stage, budget, and technical requirements.
| Feature / Capability | Explorer | Builder | Enterprise |
|---|---|---|---|
Smart Contract Audit & Deployment | |||
Core Subscription Logic (ERC-1620) | |||
Multi-Chain Support (EVM) | 1 Chain | Up to 3 Chains | Unlimited |
Custom Billing Models (Trial, Metered) | |||
Gas Optimization & Fee Abstraction | Basic | Advanced | Custom |
Integration Support & Documentation | Self-Serve | Dedicated Engineer | Architectural Review |
Uptime & Performance SLA | 99.5% | 99.9% | 99.99% |
Incident Response Time | Business Hours | < 12 Hours | < 1 Hour |
Recurring Revenue Dashboard | Read-Only | Analytics API | White-Label Portal |
Estimated Timeline | 2-4 Weeks | 4-8 Weeks | 8-12+ Weeks |
Starting Price | $15,000 | $50,000 | Custom Quote |
how-we-deliver
PROVEN FRAMEWORK
Our Integration Methodology
A structured, four-phase approach designed to deliver a production-ready, secure, and scalable recurring payment gateway with minimal disruption to your existing systems.
01
Discovery & Architecture Design
We conduct a deep-dive technical analysis of your existing stack and business logic to design a tailored integration architecture. This phase defines token standards (ERC-20, ERC-777), subscription models, and a clear API specification, ensuring alignment with your product roadmap.
1-2 weeks
Phase Duration
100%
Architecture Sign-off
02
Smart Contract Development & Audit
Our engineers build custom, gas-optimized smart contracts for subscription management, billing cycles, and payment routing. All code follows OpenZeppelin standards and undergoes rigorous internal review before submission to a third-party security audit firm.
OpenZeppelin
Security Standard
3rd Party
Audit Mandatory
03
API & Backend Integration
We implement a robust backend service with idempotent REST/Webhook APIs for payment event handling, customer management, and reconciliation. This includes integration with your user database, notification systems, and existing payment processors.
< 100ms
API Latency
Idempotent
Webhook Design
04
Deployment & Go-Live Support
We manage the deployment to your chosen environment (testnet/mainnet), configure monitoring with alerting (e.g., Tenderly, OpenZeppelin Defender), and provide comprehensive documentation. Post-launch, we offer 30 days of dedicated technical support to ensure a smooth transition.
30 days
Post-Launch Support
99.9% SLA
Gateway Uptime
Recurring Payment Gateway
Frequently Asked Questions
Get answers to common questions about integrating a secure, compliant, and scalable recurring crypto payment solution for your business.
Standard integration for a recurring crypto payment gateway takes 2-4 weeks from kickoff to production deployment. This includes smart contract development, API integration, and security audits. Complex requirements like multi-chain support or custom subscription logic can extend the timeline to 6-8 weeks.
conclusion
CORE SERVICE
Smart Contract Development
Secure, production-ready smart contracts built to your exact specifications.
We architect and deploy custom smart contracts for DeFi, NFTs, and enterprise applications. Our development process ensures security-first design, gas optimization, and comprehensive audit readiness.
- Token Standards:
ERC-20,ERC-721,ERC-1155, and custom implementations. - DeFi Protocols: Automated Market Makers (AMMs), lending/borrowing pools, staking mechanisms.
- Security: Built with
OpenZeppelinlibraries and following industry best practices likeCEI(Checks-Effects-Interactions).
We deliver a fully documented, tested, and deployable contract suite in 2-4 weeks, giving you a secure foundation for your Web3 product.
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