We architect and deploy custom smart contracts for tokens, DeFi, and NFTs. Our team specializes in Solidity 0.8+, Rust, and Vyper, implementing OpenZeppelin standards and formal verification for security-critical applications.
LABS
Services
Enterprise Subscription API & SDK Development
Seamlessly integrate blockchain-powered subscriptions into your existing SaaS platform. We deliver production-ready APIs and SDKs with comprehensive documentation, security audits, and dedicated support.
Chainscore © 2026
overview
CORE SERVICE
Smart Contract Development
Secure, production-ready smart contracts built by Web3 specialists.
- Token Systems:
ERC-20,ERC-721, andERC-1155with custom minting, vesting, and governance logic. - DeFi Protocols: Automated Market Makers (AMMs), lending/borrowing pools, and yield strategies.
- Enterprise Logic: Multi-signature wallets, supply chain tracking, and asset tokenization platforms.
We deliver battle-tested code with a 100% security audit pass rate and comprehensive test suites, ensuring your contracts are ready for mainnet deployment in as little as 2-4 weeks.
key-features-cards
ACCELERATE DEPLOYMENT
Production-Ready Integration Components
Pre-built, battle-tested modules that eliminate months of development work. Each component is production-hardened, fully documented, and backed by our enterprise SLA.
benefits
DELIVERABLES & GUARANTEES
Business Outcomes: Faster Time-to-Market, Lower Operational Cost
Our Enterprise Subscription API & SDK Development service is engineered to deliver measurable business results. We focus on reducing your go-live timeline and total cost of ownership through pre-built, production-ready infrastructure.
01
Production-Ready APIs in Weeks
Deploy high-availability REST and WebSocket APIs for blockchain data, token balances, and transaction broadcasting in under 2 weeks, not months. We provide the complete infrastructure so your team can focus on core product logic.
< 2 weeks
Initial Deployment
99.9%
Uptime SLA
02
Pre-Audited Smart Contract SDKs
Integrate with Ethereum, Polygon, and Solana using our battle-tested SDKs. Includes pre-audited contract templates for tokens (ERC-20/721), staking, and governance, eliminating months of security review and development time.
0 Critical
Audit Findings
40% Faster
Integration Time
03
Managed Node Infrastructure
Eliminate the operational burden and cost of running your own blockchain nodes. We provide fully managed, load-balanced RPC endpoints with automatic failover, monitoring, and 24/7 support included in your subscription.
60% Lower
Ops Cost
< 100ms
P95 Latency
04
Compliance & Security Framework
Built-in compliance tooling for address screening (OFAC), transaction monitoring, and risk scoring. Our infrastructure is developed following SOC 2 Type II and ISO 27001 security principles, reducing your compliance overhead.
SOC 2
Compliance Ready
Real-time
Risk Scoring
Choose Your Integration Tier
Structured Development Path: From MVP to Enterprise Scale
A clear comparison of our API & SDK development packages, designed to scale with your project from initial launch to global operations.
| Capability | Starter (MVP) | Professional (Growth) | Enterprise (Scale) |
|---|---|---|---|
Custom API Endpoints | 5 | 15 | Unlimited |
Multi-Chain SDK Support | EthereumPolygon | + Arbitrum+ Base | + All EVM L2s+ Custom RPC |
Smart Contract Integration | |||
Security Audit & Pen Testing | Basic Review | Full Audit Report | Continuous Monitoring |
Dedicated Technical Support | Email (48h) | Slack Channel (24h) | 24/7 Phone & Escalation |
Uptime & Performance SLA | 99.5% | 99.9% | 99.99% |
Maximum Monthly Requests | 1 Million | 10 Million | Custom Volume |
Compliance & Reporting | Standard Dashboards | SOC 2, Custom Logs | |
Implementation Timeline | 2-4 Weeks | 4-8 Weeks | Custom Roadmap |
Estimated Investment | $15K - $50K | $50K - $150K | Custom Quote |
how-we-deliver
ENGINEERED FOR ENTERPRISE RELIABILITY
Our Delivery Methodology: Predictable, Transparent, Secure
We deliver enterprise-grade API & SDK development through a structured process designed for technical leaders. Our methodology ensures on-time delivery, complete visibility, and production-ready security from day one.
01
Predictable Agile Sprints
Two-week sprints with defined deliverables, automated CI/CD pipelines, and weekly technical syncs. We provide sprint burndown charts and velocity metrics for complete project transparency.
2 weeks
Sprint Cycle
100%
On-Time Delivery
02
Transparent Communication Hub
Dedicated Slack channel for real-time collaboration, Jira/Linear boards for task tracking, and bi-weekly stakeholder demos. All documentation, architecture diagrams, and API specs are hosted in a shared Notion workspace.
24/7
Dev Channel Access
< 1 hour
Avg. Response Time
03
Secure Development Lifecycle
All code follows OpenZeppelin standards and undergoes automated security scanning (Slither, MythX). Critical components receive third-party audits from firms like CertiK or Quantstamp before mainnet deployment.
100%
Audit Coverage
0
Critical Bugs Shipped
04
Production-Ready Deployment
We manage the full deployment lifecycle: staging environments, load testing, and mainnet launch with 99.9% uptime SLAs. Includes comprehensive monitoring (Grafana, Sentry) and 24/7 incident response.
99.9%
Uptime SLA
< 5 min
Rollback Time
Enterprise Subscription API & SDK Development
Frequently Asked Questions for Technical Decision Makers
Clear answers to the technical and commercial questions CTOs and engineering leads ask when evaluating a dedicated development partner.
We follow a structured 4-phase engagement model: Discovery & Scoping (1 week), Architecture & Design (1-2 weeks), Development & Integration (3-6 weeks), and Deployment & Handoff (1 week). A typical end-to-end project for a production-ready API/SDK suite is delivered in 6-10 weeks. We provide a detailed Gantt chart and weekly sprint demos for full transparency.
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