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Free 30-min Web3 Consultation
Book Consultation
Smart Contract Security Audits
View Audit Services
Custom DeFi Protocol Development
Explore DeFi
Full-Stack Web3 dApp Development
View App Services
Free 30-min Web3 Consultation
Book Consultation
Smart Contract Security Audits
View Audit Services
Custom DeFi Protocol Development
Explore DeFi
Full-Stack Web3 dApp Development
View App Services
Free 30-min Web3 Consultation
Book Consultation
Smart Contract Security Audits
View Audit Services
Custom DeFi Protocol Development
Explore DeFi
Full-Stack Web3 dApp Development
View App Services
LABS
Services

GraphQL APIs for On-Chain & Off-Chain Data Fusion

We build and optimize high-performance GraphQL APIs that unify queries across decentralized databases, indexed on-chain data, and traditional off-chain sources. Reduce development time and infrastructure complexity.
Chainscore © 2026
overview
FULL-STACK INFRASTRUCTURE

Custom Blockchain Development

End-to-end blockchain solutions from core protocol design to production deployment.

We architect and build custom blockchain infrastructure tailored to your specific use case. Our full-stack approach delivers a production-ready network with consensus mechanisms, smart contract frameworks, and node orchestration designed for your business logic.

  • Layer 1 & 2 Development: Build sovereign chains or application-specific rollups using Substrate, Cosmos SDK, or OP Stack.
  • Smart Contract Systems: Design and implement secure, gas-optimized contracts in Solidity, Rust, or Move.
  • Node Infrastructure: Deploy and manage validator nodes, RPC endpoints, and indexers with 99.9% uptime SLAs.
  • Cross-Chain Integration: Enable seamless asset and data flow via bridges and interoperability protocols like IBC or LayerZero.

We deliver a complete, audited mainnet launch in 8-12 weeks, including documentation, monitoring dashboards, and a dedicated devops runbook.

key-features-cards
ENGINEERED FOR PRODUCTION

Core Capabilities of Our GraphQL API Service

A unified, high-performance GraphQL endpoint that seamlessly fuses on-chain and off-chain data, designed for the reliability and scale demands of leading Web3 applications.

benefits
FROM INFRASTRUCTURE TO IMPACT

Business Outcomes: Why Unified APIs Drive Growth

A unified GraphQL API for on-chain and off-chain data isn't just a technical convenience—it's a strategic asset that accelerates product development, reduces operational overhead, and unlocks new revenue streams. Here's how our service delivers measurable business results.

01

Accelerate Time-to-Market

Eliminate the complexity of managing multiple data sources. Our unified schema lets your team ship features 2-3x faster by querying blockchain state, NFT metadata, and off-chain databases through a single, documented endpoint.

2-3x
Faster Development
< 2 weeks
Integration Time
02

Reduce Engineering Overhead

Stop building and maintaining custom indexers, RPC aggregators, and data pipelines. We handle the infrastructure, monitoring, and scaling, freeing your senior engineers to focus on core product innovation.

70%
Less Dev Time Spent
1 Team
Manages All Data
03

Enhance Data Reliability & Security

Access verified, real-time data with enterprise-grade SLAs. Our infrastructure is built with multi-chain redundancy, automatic failover, and follows security best practices, ensuring your application's data layer is never a point of failure.

99.9%
Uptime SLA
< 1 sec
P95 Latency
04

Unlock Advanced Product Features

Power complex queries that combine on-chain transactions with user profiles and market data. Enable features like personalized dashboards, cross-chain portfolio tracking, and real-time analytics that were previously too costly to build.

Unlimited
Data Relationships
Real-time
Event Streaming
05

Optimize Infrastructure Costs

Replace the variable, unpredictable costs of running your own node infrastructure or using multiple paid APIs with a predictable, scalable subscription. Pay for unified queries, not redundant data fetching.

Predictable
Pricing Model
40-60%
Cost Reduction vs DIY
06

Future-Proof Your Stack

Our schema automatically incorporates new chains, protocols, and data standards. Integrate once and seamlessly access data from emerging networks like Berachain or Monad without rebuilding your data layer.

20+
Supported Chains
Auto-Updated
Protocol Support
The Infrastructure Decision

Build vs. Buy: Managing Your Data Layer

A detailed comparison of the costs, risks, and resource commitments required to build and maintain a unified GraphQL API for on-chain and off-chain data versus using Chainscore's managed service.

FactorBuild In-HouseChainscore API

Initial Development Time

6-12 months

2-4 weeks

Engineering Team Required

3-5 Senior Devs

1 Integration Engineer

Security & Audit Overhead

High (Your Responsibility)

Included (SOC 2 Type II)

Multi-Chain Indexing

Custom per chain

Pre-built for 15+ chains

Real-Time Data Fusion

Complex to implement

Native GraphQL resolvers

Ongoing Infrastructure Cost

$15K-$30K/month (Cloud, DevOps)

Usage-based, starts at $2K/month

Schema & API Maintenance

Continuous dev cycles

Managed & versioned for you

Total Year 1 Cost (Est.)

$250K - $600K+

$25K - $100K

Time to First Production Query

6 months

< 48 hours

how-we-deliver
TRANSPARENT WORKFLOW

Our Development Process: From Schema to Production

A predictable, milestone-driven approach that de-risks your GraphQL API project and ensures on-time delivery of a secure, scalable data layer.

01

1. Discovery & Schema Design

We analyze your on-chain and off-chain data sources to architect a unified GraphQL schema. This phase defines the single source of truth for your application's data needs, preventing costly refactors later.

2-5 days
Workshop Duration
1
Unified Schema
02

2. Resolver & Connector Development

Our engineers build performant resolvers that securely fetch and fuse data from blockchains (EVM, Solana), indexers (The Graph), and traditional APIs. We implement caching, batching, and error handling from day one.

Sub-100ms
P95 Latency Target
OpenZeppelin
Security Patterns
03

3. Security & Performance Audits

Every API undergoes rigorous internal review for query complexity, rate limiting, and data validation. We conduct load testing to simulate production traffic and ensure scalability under peak demand.

100%
Code Review
10k+ RPS
Load Test Scale
04

4. Staging & Client Integration

We deploy to a dedicated staging environment with full observability. Your team receives SDKs and documentation to integrate the API, with our engineers providing direct support for a seamless handoff.

Comprehensive
API Docs
24h
Support SLA
05

5. Production Deployment & Monitoring

Managed deployment to your cloud or our infrastructure with 99.9% uptime SLA. We implement real-time monitoring, alerting on latency spikes or data inconsistencies, and provide 24/7 operational support.

99.9%
Uptime SLA
< 5 min
Alert Response
06

6. Ongoing Optimization & Scaling

Post-launch, we analyze query patterns and performance metrics to recommend optimizations. We handle scaling the infrastructure and schema evolution as your user base and data requirements grow.

Weekly
Performance Reviews
Zero Downtime
Schema Updates
Transparent Development Roadmap

Typical Project Timeline & Deliverables

A clear breakdown of what to expect when you partner with Chainscore for a custom GraphQL API, from initial design to ongoing support.

Phase & DeliverableStarter (4-6 Weeks)Professional (6-10 Weeks)Enterprise (10-16 Weeks)

Discovery & Schema Design

Basic schema for 2-3 data sources

Custom schema with 5-7 on/off-chain sources

Full data modeling workshop & complex multi-source schema

Core API Development

Single-chain GraphQL endpoint

Multi-chain endpoint with basic caching

Advanced caching, real-time subscriptions, & custom resolvers

Data Connectors

On-chain RPC + 1 external API

On-chain indexer + 3 external APIs

Custom indexers + 5+ APIs with ETL pipelines

Security & Testing

Basic unit & integration tests

Full security audit & load testing

Penetration testing & compliance review (SOC2/GDPR)

Deployment & DevOps

Cloud deployment with basic monitoring

Multi-region deployment with CI/CD & alerts

Hybrid/on-prem deployment with full observability stack

Documentation

API reference & basic guides

Interactive docs (GraphiQL) & SDK examples

Full developer portal & client-specific tutorials

Support & Handover

2 weeks of post-launch support

1 month of support + knowledge transfer

Dedicated technical account manager & SLA (99.9% uptime)

Typical Investment

$25K - $50K

$75K - $150K

Custom (Contact for Quote)

GraphQL API Development

Frequently Asked Questions

Get clear answers on our process, timeline, and technical approach for building unified GraphQL APIs that fuse on-chain and off-chain data.

Standard deployments for a production-ready GraphQL API with core on/off-chain data fusion take 3-5 weeks. This includes schema design, smart contract indexing, off-chain data source integration, and comprehensive testing. Complex projects with custom resolvers, multi-chain support, or advanced caching may extend to 8-10 weeks. We provide a detailed project plan and weekly sprints from day one.

ENQUIRY

Get In Touch
today.

Our experts will offer a free quote and a 30min call to discuss your project.

NDA Protected
24h Response
Directly to Engineering Team
10+
Protocols Shipped
$20M+
TVL Overall
NDA Protected Directly to Engineering Team