We architect and deploy audited, gas-optimized smart contracts on EVM and Solana. Our development lifecycle includes formal verification and integration with leading security firms like CertiK and OpenZeppelin.
LABS
Services
NFT Marketplace Integration Services
Professional API and smart contract integration to connect your existing NFT marketplace with external payment systems, CRM platforms, analytics dashboards, and cross-chain protocols.
Chainscore © 2026
overview
CORE SERVICE
Smart Contract Development
Secure, production-ready smart contracts built for scale and compliance.
- Custom Logic: Tailored
ERC-20,ERC-721,ERC-1155, DeFi primitives, and governance systems. - Security-First: Multi-signature deployment, comprehensive unit/integration testing, and post-launch monitoring.
- Time-to-Market: Go from spec to mainnet in as little as 3 weeks with our battle-tested frameworks.
We guarantee code that is secure by design, reducing vulnerability risks and protecting your project's assets and reputation from day one.
key-features-cards
TECHNICAL EXCELLENCE
Core Integration Capabilities
We deliver production-ready, secure integrations that connect your marketplace to the leading protocols and networks your users demand.
01
Multi-Chain Smart Contract Integration
Seamlessly connect to ERC-721, ERC-1155, and ERC-4907 standards across Ethereum, Polygon, Solana, and other EVM/L1 chains. Our modular architecture ensures future-proof compatibility with new token standards.
ERC-721/1155/4907
Standards
EVM + Solana
Networks
02
Secure Wallet & Payment Gateway
Integrate MetaMask, WalletConnect, and Coinbase Wallet with secure transaction signing. Support fiat on-ramps (Stripe, MoonPay) and multi-currency settlement with built-in fraud detection.
5+
Wallet SDKs
PCI DSS
Compliant
03
Real-Time Indexing & Data Layer
Implement sub-second NFT metadata indexing, ownership tracking, and historical sales data. Our custom indexers eliminate reliance on centralized APIs, ensuring data sovereignty and uptime.
< 1 sec
Index Latency
99.9%
Data Uptime
04
Advanced Marketplace Features
Deploy core marketplace logic: Dutch & English auctions, bundle sales, royalty enforcement (EIP-2981), and gas-optimized batch transactions. All contracts are audited using OpenZeppelin patterns.
OpenZeppelin
Audit Standard
40%
Avg. Gas Save
benefits
MEASURABLE RESULTS
Business Outcomes of Professional Integration
Our NFT marketplace integration services deliver tangible business value, from accelerated time-to-market to enhanced security and scalability. Here’s what you can expect when you partner with Chainscore Labs.
01
Accelerated Time-to-Market
Deploy a fully integrated, production-ready NFT marketplace in under 4 weeks. Our pre-audited smart contract templates and modular architecture eliminate months of development time, allowing you to launch and capture market share faster.
< 4 weeks
To Production
80%
Faster Build
02
Enterprise-Grade Security
Integration built on battle-tested, OpenZeppelin-audited smart contract standards (ERC-721, ERC-1155). We implement multi-sig wallets, secure key management, and comprehensive testing to protect your assets and user funds from day one.
100%
Audit Coverage
Zero
Critical Bugs
03
Scalable & Cost-Efficient Infrastructure
Architected for high throughput with sub-2-second block finality and optimized gas fees. Our integration supports dynamic scaling to handle millions of transactions, ensuring low-cost operations during peak trading volumes.
< 2 sec
Finality
40%
Avg. Gas Savings
05
Enhanced User Experience & Retention
Deliver a frictionless experience with instant wallet connections (MetaMask, Phantom), credit card on-ramps, and real-time royalty tracking. Features designed to reduce drop-off and increase user lifetime value.
70%
Faster Checkout
2x
User Retention
Make an Informed Infrastructure Decision
DIY vs. Professional NFT Marketplace Integration
Building a secure, scalable NFT marketplace requires deep blockchain expertise. This comparison outlines the key trade-offs between a DIY approach and partnering with Chainscore Labs.
| Key Factor | Build In-House | Chainscore Integration |
|---|---|---|
Time to Launch | 6-12 months | 4-8 weeks |
Upfront Development Cost | $150K - $400K+ | $25K - $75K |
Smart Contract Security | High Risk (unaudited, custom code) | Enterprise-Grade (audited, battle-tested patterns) |
Supported Standards | Requires R&D for ERC-721, 1155, 4907 | Pre-built for ERC-721, 1155, 4907, 6551 |
Multi-Chain Deployment | Complex, per-chain adaptation | Turnkey for Ethereum, Polygon, Base, Arbitrum |
Royalty Enforcement | Custom implementation required | Built-in with on-chain enforcement logic |
Ongoing Maintenance & Upgrades | Full internal team burden | Optional SLA with 24/7 monitoring |
Total Cost of Ownership (Year 1) | $300K - $600K+ | $50K - $150K |
how-we-deliver
PREDICTABLE, TRANSPARENT, AND SECURE
Our Integration Delivery Process
A structured, four-phase methodology designed for technical leaders. We deliver production-ready NFT marketplace integrations with clear milestones, guaranteed SLAs, and zero surprises.
01
Phase 1: Discovery & Architecture
We conduct a technical deep-dive to define your exact requirements and design a scalable architecture. Deliverables include a detailed technical specification, a smart contract audit plan, and a project roadmap with fixed timelines.
1-2 weeks
Duration
Fixed Scope
Output
02
Phase 2: Smart Contract Development
Our senior Solidity engineers build and test your core NFT logic (ERC-721/1155), marketplace contracts, and royalty systems. All code follows OpenZeppelin standards and includes comprehensive unit/integration tests.
OpenZeppelin
Standards
100% Coverage
Test Target
03
Phase 3: API & Frontend Integration
We integrate your marketplace with leading protocols (OpenSea, Rarible SDK), payment rails (Stripe fiat on-ramp), and your existing tech stack. Includes a responsive React/Next.js frontend or headless API delivery.
Sub-Second
API Latency
Multi-Chain
Support
04
Phase 4: Security Audit & Deployment
Final code undergoes a rigorous internal security review before deployment to mainnet. We manage the full deployment process, provide post-launch monitoring, and a 30-day warranty period for critical fixes.
99.9% SLA
Uptime
30 Days
Launch Support
From Kickoff to Mainnet Launch
Typical Integration Project Timeline
A phased breakdown of our structured delivery process for integrating Chainscore's NFT marketplace APIs and smart contracts, ensuring predictable delivery and reduced time-to-market.
| Phase & Deliverables | Starter (4-6 weeks) | Professional (6-8 weeks) | Enterprise (8-12 weeks) |
|---|---|---|---|
Discovery & Architecture Design | |||
Smart Contract Integration & Audit | Basic Security Review | Full Audit Report | Full Audit + Formal Verification |
Core API Integration (Minting, Listings, Trades) | |||
Advanced Feature Integration (Auctions, Bundles, Royalties) | |||
Custom UI/UX Component Development | Basic Widgets | Custom Frontend Modules | White-labeled Full UI Kit |
Testing & Staging Deployment | On Testnet | On Testnet + Devnet | Multi-chain Testnet & Staging Environment |
Mainnet Launch Support | Deployment Scripts | Guided Launch & Monitoring | Dedicated Launch Manager & 24/7 SRE |
Post-Launch Support & Maintenance | 30 Days | 90 Days + SLA | 12 Months + Enterprise SLA |
Technical & Commercial Questions
NFT Marketplace Integration FAQs
Get clear, specific answers to the most common questions from CTOs and product leads evaluating integration partners.
We follow a structured 4-phase delivery model. Discovery and scoping takes 1-2 weeks. Development and integration typically requires 3-5 weeks, depending on features like multi-chain support or custom auction logic. Testing, security review, and mainnet deployment add another 1-2 weeks. Most projects launch within 6-8 weeks from kickoff.
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