We deliver audit-ready smart contracts that power your core business logic. Our development process ensures zero critical vulnerabilities and compliance with the latest security standards like ERC-20, ERC-721, and ERC-1155.
LABS
Services
NFT Marketplace Activity Indexing
Build custom, high-performance indexers to track complex NFT events across marketplaces. Get real-time data on listings, sales, bids, and collection analytics for your application.
Chainscore © 2026
overview
CORE SERVICE
Smart Contract Development
Secure, production-ready smart contracts built for speed and reliability.
- Custom Logic: Build DeFi protocols, NFT marketplaces, or enterprise-grade token systems.
- Full Lifecycle: From architecture and
Solidity 0.8+development to deployment and on-chain verification. - Proven Security: Contracts are built with
OpenZeppelinlibraries and undergo rigorous internal review.
Get a secure, scalable foundation. Deploy your MVP in under 3 weeks with a guaranteed 99.9% uptime SLA for core functions.
key-features-cards
REAL-TIME NFT DATA INFRASTRUCTURE
Core Indexing Capabilities
Chainscore delivers production-ready, high-fidelity NFT data pipelines that power analytics, dashboards, and user experiences. We handle the complex indexing so your team can focus on building.
01
Real-Time Event Streaming
Subscribe to live feeds of NFT mints, transfers, sales, and listings across major marketplaces (OpenSea, Blur, LooksRare) with sub-2-second latency. Enables instant notifications and dynamic UI updates.
< 2 sec
Event Latency
100%
Event Integrity
02
Historical Data Replay
Access a complete, queryable history of NFT collections from genesis block. Rebuild state at any point in time for compliance, analytics, or user portfolio reconciliation.
PB Scale
Data Volume
Ethereum + L2s
Chain Coverage
03
Enriched Metadata Indexing
Go beyond on-chain data. We index and normalize off-chain NFT metadata (IPFS, Arweave), trait data, and rarity scores into a unified, queryable schema.
10M+
Assets Indexed
Auto-Sync
Metadata Updates
04
Marketplace Aggregation
Unified API for floor prices, bid/ask spreads, and sales volume across multiple marketplaces. Eliminate the complexity of integrating and normalizing data from disparate sources.
5+
Markets Aggregated
99.9%
Price Accuracy
05
Custom Schema & Webhooks
Define your own data models and transformation logic. We'll index, structure, and deliver the exact NFT activity data you need via API or direct webhook push.
2 weeks
Avg. Setup
GraphQL/REST
API Flexibility
06
Enterprise-Grade Reliability
Built on battle-tested infrastructure with multi-region redundancy, automatic failover, and comprehensive monitoring. Includes SLAs for uptime, data freshness, and support response.
99.9%
Uptime SLA
24/7
Monitoring
benefits
ACTIONABLE INSIGHTS
Business Outcomes for Your Team
Our NFT Marketplace Activity Indexing service delivers more than just data. It provides the precise, real-time intelligence your product and engineering teams need to build, launch, and scale with confidence.
01
Real-Time Market Intelligence
Access sub-second updates on floor prices, sales volume, and wallet activity across major marketplaces (OpenSea, Blur, Magic Eden). Build dynamic pricing models and live dashboards that react instantly to market shifts.
< 1 sec
Data Latency
10+
Marketplaces Indexed
02
Accelerated Feature Development
Skip 6+ months of building complex indexing infrastructure. Our unified GraphQL API provides clean, normalized NFT data, allowing your developers to focus on building unique user experiences instead of data pipelines.
6 months
Dev Time Saved
2 weeks
Integration Time
03
Enterprise-Grade Data Integrity
Ensure your product decisions are based on complete, accurate data. We provide full historical backfill and guarantee 99.9% data completeness for indexed collections, eliminating blind spots in your analytics.
99.9%
Data Completeness
100%
Historical Coverage
04
Scalable, Cost-Effective Infrastructure
Eliminate the operational overhead and unpredictable costs of running your own indexers. Our managed service scales automatically with your user base, providing predictable pricing and freeing your team from DevOps burdens.
99.9%
Uptime SLA
70%
Cost Reduction
Infrastructure Decision Matrix
Build vs. Buy: NFT Data Strategy
Compare the total cost of ownership, risk, and time-to-market for building an NFT marketplace indexer in-house versus using Chainscore's managed service.
| Factor | Build In-House | Chainscore API |
|---|---|---|
Time to Market | 6-12 months | 2-4 weeks |
Initial Development Cost | $150K - $400K+ | $0 (Pay-as-you-go API) |
Ongoing Engineering & DevOps | 2-3 FTEs ($250K+/year) | Fully Managed |
Data Coverage & Accuracy | Manual integration per chain/contract | 20+ chains, 100M+ NFTs auto-synced |
Real-time Indexing Latency | High risk of missed sales/transfers | < 2 seconds from on-chain event |
Historical Data Backfill | Complex, resource-intensive ETL | Full history available on-demand |
Security & Data Integrity Risk | High (custom parsing logic) | Low (battle-tested, audited pipelines) |
Scalability & Peak Load Handling | Your infrastructure cost & design | Automatic, global CDN scaling |
Maintenance (Upgrades, Chain Forks) | Your team's responsibility | Handled by Chainscore |
Total Cost of Ownership (Year 1) | $400K - $650K+ | Starts at ~$15K/year |
how-we-deliver
PROVEN PROCESS
Our Delivery Methodology
We deliver production-ready NFT marketplace indexing infrastructure through a structured, transparent process designed for technical founders. This ensures predictable timelines, clear deliverables, and a system built to scale.
01
Discovery & Architecture
We analyze your specific marketplace data needs—trading volume, user activity, collection analytics—and design a tailored indexing architecture. This includes selecting the optimal blockchain nodes, defining data schemas, and planning for future protocol upgrades.
1-2 days
Initial Scoping
100%
Architecture Review
02
Smart Contract Integration
Our engineers implement robust listeners and indexers for your marketplace's core contracts (ERC-721/1155, auction logic, royalties). We handle complex event parsing, failed transaction reconciliation, and ensure data integrity from day one.
< 1 sec
Event Latency
OpenZeppelin
Security Patterns
03
Data Pipeline Deployment
We deploy and configure the complete indexing stack: blockchain RPC connections, real-time event processing, normalized database schemas, and a GraphQL/REST API layer. The system is built for high throughput and sub-second query response.
99.9%
Target Uptime SLA
Auto-scaling
Infrastructure
04
Testing & Validation
Every data pipeline undergoes rigorous testing against historical blockchain data to verify accuracy. We perform load testing, validate API endpoints, and conduct a full security review before handover to your team.
100%
Data Accuracy Check
24/7
Monitoring Setup
05
Documentation & Handoff
You receive comprehensive technical documentation, API specs, and operational runbooks. We provide knowledge transfer sessions for your engineering team and outline a clear support and maintenance plan.
Full Source
Code Access
2 weeks
Post-Launch Support
06
Ongoing Support & Scaling
We offer managed infrastructure monitoring, performance optimization, and seamless integration support for new marketplace features or additional blockchain networks as your platform grows.
< 1 hr
Avg. Response Time
Proactive
Health Alerts
NFT Marketplace Indexing Solutions
Technical Specifications & Deliverables
Compare our tiered service packages for NFT marketplace activity indexing, designed to scale with your data needs and operational complexity.
| Feature / Specification | Starter | Professional | Enterprise |
|---|---|---|---|
Indexed Marketplaces | OpenSea, Blur | OpenSea, Blur, LooksRare, X2Y2 | All major marketplaces + custom integrations |
Historical Data Backfill | 30 days | Full history | Full history with priority processing |
Real-time Indexing Latency | < 60 seconds | < 15 seconds | < 3 seconds |
Data Endpoints (REST/GraphQL) | 10 core endpoints | 25+ endpoints | Unlimited custom endpoints |
Webhook & Alert Support | Basic events | Advanced filters & logic | Fully customizable pipeline |
Query Volume (Monthly) | Up to 1M requests | Up to 10M requests | Unmetered + dedicated infra |
Supported Chains | Ethereum, Polygon | Ethereum, Polygon, Arbitrum, Base | All EVM chains + Solana |
Data Types Included | Sales, Listings, Transfers | Sales, Listings, Transfers, Bids, Offers | Full activity suite + custom event parsing |
Uptime SLA & Support | 99.5% (Business Hours) | 99.9% (24/7 Chat) | 99.99% (Dedicated Engineer) |
Implementation Timeline | 2-3 weeks | 4-6 weeks | Custom (8+ weeks) |
Starting Price (Annual) | $25,000 | $85,000 | Custom Quote |
NFT Indexing
Frequently Asked Questions
Common questions from CTOs and product leads evaluating NFT data infrastructure.
For a standard marketplace deployment, we deliver a fully functional, real-time NFT Activity Indexing API in 2-3 weeks. This includes ingesting historical data, setting up real-time listeners, and deploying the GraphQL/REST endpoints. Complex requirements like cross-chain aggregation or custom analytics may extend this to 4-6 weeks.
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