We architect and deploy custom smart contracts on EVM and Solana that are audit-ready from day one. Our development process integrates OpenZeppelin standards and formal verification patterns to mitigate risk.
LABS
Services
Flow NFT-Integrated Payment API
Custom APIs and smart contracts enabling merchants to accept payments, unlock exclusive content, and manage loyalty programs based on verified NFT ownership on the Flow blockchain.
Chainscore © 2026
overview
CORE SERVICE
Smart Contract Development
Secure, production-ready smart contracts built by Web3 experts to power your dApp.
- Token Systems:
ERC-20,ERC-721,SPLtokens with custom minting, vesting, and governance logic. - DeFi Protocols: Automated Market Makers (AMMs), lending/borrowing pools, and yield aggregators.
- Enterprise Logic: Multi-signature wallets, asset bridges, and verifiable supply chain tracking.
Deliver a secure, gas-optimized MVP in 2-4 weeks, backed by comprehensive documentation and a 99.9% uptime SLA for deployed contracts.
key-features-cards
BUILT FOR SCALE
Core Technical Capabilities
Our Flow NFT-Integrated Payment API is engineered with enterprise-grade infrastructure, providing the reliability, security, and performance required for high-volume commerce and gaming applications.
01
Flow-Centric Smart Contracts
We develop and deploy secure, gas-optimized Cadence smart contracts for your payment logic, NFT minting, and royalty distribution, ensuring seamless on-chain settlement.
Cadence 1.0
Language
OpenZeppelin
Security Patterns
02
Real-Time Payment Verification
Instant, non-custodial transaction verification on the Flow blockchain. Confirm NFT ownership and payment status in < 2 seconds to enable frictionless user experiences.
< 2 sec
Verification Time
100%
Non-Custodial
03
Enterprise-Grade API Infrastructure
RESTful APIs with comprehensive documentation, automatic retry logic, and webhook support for payment lifecycle events, built for 99.9% uptime.
99.9%
Uptime SLA
< 50ms
P95 Latency
04
Advanced Security & Compliance
Smart contracts undergo formal verification and third-party audits. Our infrastructure is SOC 2 Type II compliant, with built-in fraud detection and KYC/AML integration points.
SOC 2
Compliance
Third-Party
Audits
05
Scalable NFT Metadata Management
Dynamic, on-chain and off-chain metadata handling for evolving NFT traits and utilities. Integrates with IPFS/Filecoin for decentralized, persistent asset storage.
IPFS/Filecoin
Storage
Dynamic
Traits
06
Developer Experience & SDKs
Comprehensive TypeScript/Go SDKs, detailed API references, and a sandbox environment to accelerate integration, reducing time-to-market from months to weeks.
TypeScript/Go
SDKs
< 2 weeks
Integration Time
use-cases
THE FLOW ADVANTAGE
Drive Revenue with Programmable Commerce
Our Flow NFT-Integrated Payment API transforms digital assets into direct revenue streams. We build the infrastructure that lets you monetize engagement, loyalty, and digital ownership with enterprise-grade reliability.
01
Seamless NFT-Gated Commerce
Deploy smart contracts that enable exclusive purchases, discounts, and content access for NFT holders. Drive collection utility and secondary market demand.
< 2 sec
Verification Time
Zero Gas
For Users
02
Recurring Revenue with Subscriptions
Implement subscription models powered by NFTs. Automate recurring payments and membership tiers, creating predictable revenue from your digital community.
99.9%
Uptime SLA
Auto-Renew
Smart Contracts
03
Instant Royalty Distribution
Programmable split contracts ensure creators and platforms receive royalties instantly on every secondary sale or bundled purchase, directly on Flow.
Real-Time
Payouts
Multi-Party
Splits
04
Composable Loyalty Programs
Build interoperable reward systems where NFTs from different collections can be combined to unlock new benefits, increasing user engagement and spend.
Cross-Project
Interoperability
< 1 week
Integration Time
06
Scalable Checkout Experience
Pre-built, customizable UI components for NFT-gated checkout. Reduce development time and provide a frictionless payment flow that converts.
90%+
Checkout Completion
Plug & Play
SDK
Choose Your Integration Path
Phased Development Tiers
A structured approach to launching your Flow NFT payment solution, from MVP to enterprise-grade deployment.
| Feature / Deliverable | Starter (MVP) | Professional (Production) | Enterprise (Scale) |
|---|---|---|---|
Custom Cadence Smart Contracts | |||
Payment API Integration Layer | Basic | Advanced with Webhooks | Full-Suite with Custom Logic |
Security Audit Scope | Automated Scan | Manual Review + Report | Full Audit + Formal Verification |
Deployment Support | Mainnet Launch | Multi-Network (Mainnet/Testnet) | Managed CI/CD Pipeline |
Developer Support SLA | Email (72h) | Slack Priority (24h) | Dedicated Engineer (4h) |
System Monitoring & Alerts | Basic Dashboard | Custom Alerts + Logging | 24/7 SRE with PagerDuty |
Transaction Throughput (TPS) | Up to 100 | Up to 1,000 | 10,000+ (Custom Scaling) |
Compliance Features | KYC Basic | KYC/AML + Geo-Blocking | Full Regulatory Module |
Estimated Timeline | 2-4 Weeks | 6-8 Weeks | 8-12+ Weeks |
Starting Price | $15,000 | $50,000 | Custom Quote |
how-we-deliver
CORE SERVICE
Smart Contract Development
Secure, production-ready smart contracts built by Web3 experts to power your decentralized applications.
We architect and deploy custom smart contracts on EVM and Solana that are secure by design. Every contract undergoes rigorous audits using industry-standard tools like Slither and MythX, following OpenZeppelin best practices to eliminate vulnerabilities before mainnet deployment.
From token economies to complex DeFi logic, we deliver contracts that are gas-optimized, upgradeable, and ready for scale.
- Token Standards:
ERC-20,ERC-721,ERC-1155, andSPLtoken implementations with custom minting, vesting, and governance logic. - DeFi & dApps: Automated Market Makers (AMMs), staking pools, lending protocols, and NFT marketplaces.
- Security First: Multi-signature deployment, formal verification for critical functions, and comprehensive test coverage exceeding 95%.
- Full Lifecycle: Development, auditing, deployment, and ongoing maintenance with clear documentation.
tech-stack
ENTERPRISE-GRADE FOUNDATION
Built on Proven Web3 & Web2 Technology
Our Flow NFT-Integrated Payment API combines the security and programmability of Flow blockchain with the reliability of traditional payment rails, delivering a robust infrastructure trusted by leading platforms.
03
Bank-Grade Security
SOC 2 Type II compliant infrastructure with encrypted secret management. All smart contracts undergo formal verification and third-party audits by firms like CertiK.
SOC 2
Compliance
Zero
Security Incidents
Flow NFT-Integrated Payment API
Frequently Asked Questions
Get clear, technical answers about integrating NFT-powered payments into your platform.
A standard integration of our Flow NFT Payment API takes 2-4 weeks from kickoff to production deployment. This includes environment setup, smart contract deployment, frontend SDK integration, and comprehensive testing. Complex requirements like custom royalty structures or multi-asset bundles may extend the timeline, which we scope and estimate upfront.
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