We architect and deploy audit-ready smart contracts on EVM and Solana that power your core business logic. Our development process is built on OpenZeppelin standards and includes formal verification for critical functions.
LABS
Services
Data Marketplace API Gateway Services
We build and manage enterprise-grade API gateways that abstract blockchain complexity, providing traditional REST/GraphQL endpoints for data consumers and handling authentication, metering, and billing.
Chainscore © 2026
overview
CORE SERVICE
Smart Contract Development
Secure, production-ready smart contracts built by experts for your Web3 application.
Deliver a secure, gas-optimized MVP in as little as 2-4 weeks, not months.
Our full-service development includes:
- Custom Logic: Tailored
SolidityorRustcontracts for DeFi, NFTs, or DAOs. - Security-First Design: Proactive vulnerability mitigation and internal audit before third-party review.
- Full Deployment & Integration: End-to-end support from testnet to mainnet, including frontend hooks.
We provide ongoing maintenance and upgrade paths, ensuring your contracts remain secure and adaptable as protocols evolve. This is not just code delivery; it's a foundation for long-term growth.
key-features-cards
ENTERPRISE-GRADE INFRASTRUCTURE
Core Capabilities of Our Data Marketplace API Gateway
A purpose-built gateway designed to abstract blockchain complexity, accelerate development, and ensure secure, reliable data access for your marketplace.
01
Unified Multi-Chain Data Access
Single API endpoint for real-time and historical data across Ethereum, Polygon, Arbitrum, and Solana. Eliminate the need to manage separate RPC nodes and indexers.
12+
Supported Chains
< 100ms
P95 Latency
02
Real-Time Event Streaming
WebSocket and Server-Sent Events (SSE) for instant notifications on trades, listings, and NFT transfers. Build reactive applications without polling delays.
99.9%
Event Delivery SLA
< 1 sec
Event Latency
03
Enterprise-Grade Security & Compliance
SOC 2 Type II compliant infrastructure with role-based access control (RBAC), request signing, and DDoS protection. All data pipelines are audited for integrity.
SOC 2
Compliance
24/7
Security Monitoring
04
Advanced Query & Analytics Engine
Perform complex queries across token histories, user portfolios, and marketplace liquidity with a GraphQL-like interface. Pre-built analytics for trading volume and user behavior.
1B+
Events Indexed
5x
Faster Queries
05
Scalable Rate Limiting & Cost Management
Granular, configurable rate limits per API key and endpoint. Real-time usage dashboards and alerts to predict and control infrastructure costs.
10k+
RPS per Key
95%
Cost Predictability
benefits
DELIVERABLES
Business Outcomes for Your Data Marketplace
Our Data Marketplace API Gateway delivers specific, measurable results that accelerate your time-to-market and ensure operational excellence.
01
Accelerated Time-to-Market
Launch a fully functional, secure data marketplace in under 4 weeks. We provide a pre-audited, modular API gateway that handles data ingestion, tokenization, and access control out-of-the-box.
< 4 weeks
Launch Time
Pre-built
Core Modules
02
Enterprise-Grade Security & Compliance
Deploy with confidence using our battle-tested infrastructure. All core smart contracts and APIs follow OpenZeppelin standards and are designed for SOC 2 Type II and GDPR compliance readiness.
OpenZeppelin
Security Standard
SOC 2 Ready
Compliance
03
Scalable, Low-Latency Data Feeds
Serve real-time on-chain and off-chain data with sub-second latency at scale. Our gateway architecture supports millions of API calls per day with 99.9% uptime, backed by a formal SLA.
99.9%
Uptime SLA
< 1 sec
P95 Latency
04
Seamless Multi-Chain Integration
Connect your marketplace to any major EVM chain (Ethereum, Polygon, Arbitrum, Base) and data sources (APIs, Oracles, IPFS) through a single, unified API endpoint, eliminating integration complexity.
10+
Chain Support
Unified API
Integration Point
05
Predictable, Transparent Monetization
Implement flexible revenue models (pay-per-call, subscription, revenue share) with built-in payment routing and automatic settlement. Our fee abstraction layer reduces gas costs by up to 40% for end-users.
3+
Pricing Models
40%
Gas Savings
06
Developer-First Experience
Get comprehensive documentation, SDKs for major languages, and a dedicated sandbox environment. We provide 24/7 technical support and proactive monitoring to ensure your developers can build without friction.
5+
SDK Languages
24/7
Dev Support
Strategic Comparison
Build vs. Buy: API Gateway Development
A detailed breakdown of the costs, risks, and time investment required to develop a secure, scalable Data Marketplace API Gateway in-house versus partnering with Chainscore Labs.
| Key Factor | Build In-House | Partner with Chainscore |
|---|---|---|
Time to Production | 6-12 months | 4-8 weeks |
Initial Development Cost | $250K - $500K+ | $50K - $150K |
Security & Audit Overhead | High (Requires external audit firm) | Included (Pre-audited, battle-tested modules) |
Core Feature Set | Rate Limiting, Authentication, Analytics | Rate Limiting, JWT/OAuth2 Auth, Real-time Analytics, Usage Billing |
Advanced Capabilities | Future roadmap item | Pre-built: Data Schema Validation, Webhook Support, Multi-chain Indexing |
Team Requirements | 3-5 Senior DevOps & Blockchain Engineers | Your existing product team + our API specialists |
Ongoing Maintenance & Scaling | Your team's responsibility (2+ FTEs) | Fully managed service with 99.9% SLA |
Integration Support | Self-service documentation | Dedicated technical support & integration guidance |
Total Cost of Ownership (Year 1) | $400K - $750K+ | $80K - $200K |
Business Risk | High (Delays, security vulnerabilities, scaling issues) | Low (Predictable delivery, proven infrastructure, SLAs) |
how-we-deliver
PROVEN PROCESS
Our Delivery Methodology
We deliver production-ready data infrastructure through a structured, transparent process designed for technical leaders who need reliability and speed.
01
Architecture & Design Sprint
We begin with a collaborative 1-week sprint to define your data schema, API specifications, and integration points. This ensures the gateway aligns with your business logic and scales with your user base.
1 week
Design Sprint
100%
Requirements Locked
02
Secure, Modular Development
Our team builds your API gateway using battle-tested frameworks and OpenZeppelin security patterns. Each module (data ingestion, validation, indexing) is developed and tested in isolation for maximum reliability.
99.9%
Uptime SLA
SOC 2
Compliance
03
Rigorous Testing & Simulation
We simulate real-world load with millions of data points and adversarial scenarios before deployment. Every endpoint is stress-tested for performance and security vulnerabilities.
>1M TPS
Load Tested
0 Critical
Security Bugs
04
Staged Deployment & Monitoring
We deploy to a staging environment for final validation, then execute a zero-downtime production rollout. Real-time monitoring dashboards for API health, latency, and data integrity are handed over to your team.
< 2 weeks
Deployment Time
24/7
Monitoring
security
CORE INFRASTRUCTURE
Custom Smart Contract Development
Secure, audited smart contracts built to your exact specifications, from tokenomics to governance.
We architect and deploy production-grade smart contracts that form the immutable backbone of your application. Our development process ensures security-first design, gas optimization, and full audit readiness from day one.
We deliver contracts you can stake your business on, with zero critical vulnerabilities in our audit history.
- Token Systems: Custom
ERC-20,ERC-721,ERC-1155with advanced features like vesting, minting controls, and tax mechanics. - DeFi Primitives: Automated Market Makers (AMMs), staking pools, yield aggregators, and lending protocols.
- Governance & DAOs: Modular voting systems, treasury management, and proposal frameworks.
- Enterprise Logic: Custom business logic for supply chain, credentials, or asset tokenization.
Our engineers write in Solidity 0.8+ and Vyper, leveraging battle-tested libraries like OpenZeppelin. We provide complete technical documentation and a deployment package for mainnet launch.
Data Marketplace API
Frequently Asked Questions
Common questions about our API gateway for building and scaling on-chain data marketplaces.
Our Data Marketplace API Gateway is a managed infrastructure layer that abstracts the complexity of sourcing, indexing, and delivering on-chain data at scale. We provide a unified GraphQL/REST API that gives you instant access to cleaned, real-time data from over 30 blockchains, including Ethereum, Solana, and Polygon. You get pre-built data models for DeFi, NFTs, and social graphs, plus the tools to create custom data feeds, manage subscriptions, and handle billing—without running your own indexers or RPC nodes.
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