We deliver custom smart contract systems that are secure, gas-optimized, and ready for mainnet deployment. Our process ensures your core business logic is flawlessly translated to code on EVM-compatible chains like Ethereum, Polygon, and Arbitrum.
LABS
Services
API Gateway for Smart Contract Interaction
We build managed frontend layers that provide simplified, secure API interfaces to your smart contracts, abstracting blockchain complexity for end-users and internal teams.
Chainscore © 2026
overview
CORE SERVICE
Smart Contract Development
Secure, production-ready smart contracts built by experts for your Web3 application.
- Security-First Development: Every line is written with
OpenZeppelinstandards and undergoes rigorous internal review before formal audits. - Gas Optimization: We reduce transaction costs by 20-40% through efficient coding patterns and storage strategies.
- Full-Stack Integration: Contracts are delivered with comprehensive documentation and integration guides for your frontend team.
From
ERC-20tokens andERC-721NFTs to complex DeFi protocols, we build the immutable foundation your product needs to scale with confidence.
key-features-cards
ENTERPRISE-GRADE INFRASTRUCTURE
Core Capabilities of Our Smart Contract API Gateway
A purpose-built gateway that abstracts blockchain complexity, providing your engineering team with a secure, scalable, and reliable interface for smart contract interaction.
01
Unified Multi-Chain Abstraction
Interact with contracts on Ethereum, Polygon, Arbitrum, and other EVM chains through a single, consistent REST API. Eliminate the need for separate RPC providers and chain-specific SDKs.
15+
Supported Chains
1 API
Unified Interface
02
Real-Time Event Streaming
Subscribe to contract events via WebSocket or webhooks with guaranteed delivery. Monitor on-chain activity, trigger business logic, and build reactive applications without polling.
< 1 sec
Event Latency
99.9%
Delivery SLA
03
Gas Optimization & Simulation
Automatically estimate and optimize transaction gas costs. Simulate contract calls before broadcasting to prevent failed transactions and reduce user costs.
Up to 40%
Gas Savings
0
Simulation Cost
04
Enterprise Security & Compliance
Built with SOC 2 Type II principles. Features include private transaction relaying, IP allowlisting, role-based access control, and comprehensive audit logs for all API calls.
SOC 2
Compliance
24/7
Security Monitoring
05
High-Performance Read Caching
Intelligent caching layer for contract state and historical data. Achieve sub-100ms response times for frequent queries, reducing load on your application and node infrastructure.
< 100ms
P95 Latency
10x
Throughput Gain
06
Automated Health & Failover
Continuous monitoring of node health across all supported chains. Automatic failover to backup providers ensures zero downtime for your critical on-chain operations.
99.95%
Uptime SLA
< 30 sec
Failover Time
benefits
DELIVERABLES
Business Outcomes: Faster Time-to-Market and Reduced Risk
Our API Gateway for Smart Contract Interaction is engineered to deliver concrete business results. We focus on accelerating your product launch while systematically mitigating the technical and financial risks inherent in blockchain development.
01
Production-Ready in Weeks, Not Months
Deploy a secure, scalable, and fully monitored API layer for your smart contracts in under 2 weeks. We provide pre-built connectors for major EVM chains (Ethereum, Polygon, Arbitrum) and Solana, eliminating months of RPC infrastructure development.
< 2 weeks
Average Deployment Time
5+
Pre-Built Chain Connectors
02
Enterprise-Grade Security & Compliance
Mitigate smart contract interaction risks with built-in security. Features include rate limiting, request signing, IP whitelisting, and automated anomaly detection. Our infrastructure adheres to SOC 2 Type II standards, providing a compliant foundation for regulated FinTech applications.
SOC 2 Type II
Compliance Standard
Zero
Security Breaches
03
Predictable Costs & 99.9% Uptime SLA
Eliminate infrastructure cost overruns and downtime. We offer transparent, usage-based pricing with no hidden RPC fees and guarantee 99.9% uptime with automatic failover across multiple node providers, ensuring your dApp is always operational.
99.9%
Uptime SLA
Predictable
Pricing Model
04
Developer Velocity with Full Observability
Accelerate your team's output. We provide comprehensive dashboards for API health, transaction success rates, and gas spending analytics. Integrate with your existing tools (Datadog, Sentry) for full-stack observability, reducing mean-time-to-resolution (MTTR) for issues.
Real-time
Analytics Dashboard
< 5 min
Issue Detection
Choose Your Integration Path
Structured Delivery: From MVP to Enterprise Scale
Our API Gateway for Smart Contract Interaction is delivered through structured tiers, designed to match your project's stage, security requirements, and growth trajectory.
| Capability | Starter (MVP) | Professional (Growth) | Enterprise (Scale) |
|---|---|---|---|
Smart Contract Read/Write API | |||
Multi-Chain Support (EVM) | Ethereum Mainnet | Ethereum, Polygon, Arbitrum | All Major EVM L1/L2 |
Request Rate Limit | 100 req/sec | 1,000 req/sec | 10,000+ req/sec |
Uptime SLA | 99.5% | 99.9% | 99.99% |
Guaranteed Latency | < 500ms | < 200ms | < 100ms |
Dedicated Gateway Nodes | |||
Private RPC Endpoints | |||
Real-time Event Streaming | |||
Advanced Security & Rate Limiting | Basic | Custom Rules | AI-Powered Anomaly Detection |
Incident Response Time | Business Hours | 4 Hours | 30 Minutes |
Compliance & Audit Support | SOC 2 Type I | SOC 2 Type II, Custom | |
Integration Timeline | 2 Weeks | 4 Weeks | Custom (6-8 Weeks) |
Typical Engagement | Fixed Scope | Managed Service | Fully Custom SLA |
how-we-deliver
PROVEN METHODOLOGY
Our Delivery Process: Secure, Iterative, and Transparent
We deliver your production-ready API gateway through a structured, client-focused process designed to minimize risk and accelerate your time-to-market.
01
Discovery & Architecture Design
We begin with a deep technical dive into your smart contract logic, user flows, and scaling requirements to architect a secure, performant API gateway tailored to your stack.
1-2 days
Kickoff Workshop
100%
Requirement Alignment
02
Secure Development & Integration
Our engineers build the gateway using hardened patterns, integrating with your contracts (EVM, Solana, etc.) and implementing authentication, rate limiting, and monitoring from day one.
OpenZeppelin
Security Patterns
2-4 weeks
Initial Build
03
Staged Testing & Client Review
We deploy to a staging environment for rigorous load testing, security analysis, and your team's integration review. You approve each milestone before we proceed.
Staging API
Client Access
Iterative
Feedback Cycles
04
Production Deployment & Handover
We manage the production rollout, provide comprehensive documentation, and conduct knowledge transfer to your DevOps team, ensuring you own and operate the system with confidence.
Zero-downtime
Deployment
Full Docs
& Support
API Gateway for Smart Contract Interaction
Build vs. Buy vs. Partner with Chainscore
Compare the total cost of ownership, time-to-market, and risk profile for different approaches to secure, scalable smart contract interaction infrastructure.
| Key Factor | Build In-House | Generic API Service | Partner with Chainscore |
|---|---|---|---|
Time to Production | 6-12 months | 2-4 weeks | 2-4 weeks |
Initial Development Cost | $200K - $500K+ | $5K - $20K / year | $15K - $50K setup |
Smart Contract Security | Your responsibility (high risk) | Limited to RPC endpoints | Full audit & monitoring suite |
Multi-Chain Support | Custom per chain (high effort) | Basic EVM chains | Ethereum, Polygon, Arbitrum, Base, Optimism + custom |
Latency & Reliability SLA | Your infrastructure (variable) | 99.5% (shared tier) | 99.9% with dedicated nodes |
Gas Optimization & Batching | Build from scratch | Not included | Built-in for 40%+ cost savings |
Real-time Event Streaming | Complex pipeline needed | WebSocket only | Managed Webhooks & WebSockets |
Ongoing Maintenance & Updates | Full engineering team | Vendor roadmap | Dedicated technical account manager |
Total Cost (Year 1) | $300K - $750K+ | $20K - $100K | $75K - $200K |
Best For | Teams with unlimited blockchain DevOps resources | Early-stage prototypes & low-volume apps | Scale-ready applications requiring security, speed, and reliability |
API Gateway for Smart Contracts
Frequently Asked Questions
Get specific answers about our enterprise-grade API Gateway service, designed for CTOs and lead developers building high-throughput Web3 applications.
Our API Gateway is a managed service layer built for production workloads, not just node access. We provide rate limiting, request caching, automatic failover, and real-time health monitoring across multiple node providers. Unlike basic RPC endpoints, we offer unified APIs for EVM, Solana, and Cosmos chains, request batching, and detailed analytics dashboards to optimize costs and performance.
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