We architect and build custom blockchain networks, dApps, and DeFi protocols tailored to your specific business logic. Our full-cycle development delivers production-ready systems with enterprise-grade security and scalability.
LABS
Services
Smart Invoice Generation API
A programmable API for neobanks and payment gateways to create, send, and track smart invoices that self-execute upon delivery confirmation and integrate with DeFi for instant financing.
Chainscore © 2026
overview
BUILD
Custom Blockchain Development
Full-stack blockchain solutions from smart contracts to production-ready applications.
- Smart Contract Development: Secure, gas-optimized contracts in
Solidity,Rust (Solana), orMove (Aptos/Sui). - dApp & Frontend: React/Next.js interfaces with
ethers.js/wagmiintegration for seamless Web3 UX. - Protocol Design: Custom AMMs, lending/borrowing systems, NFT marketplaces, and cross-chain bridges.
- Deployment & DevOps: CI/CD pipelines, mainnet deployment, and ongoing node infrastructure management.
We deliver a complete, audited MVP in 4-8 weeks, from initial concept to a live, user-ready product on your chain of choice.
key-features-cards
ENTERPRISE-GRADE INVOICING INFRASTRUCTURE
Core API Capabilities
Our Smart Invoice Generation API delivers the foundational building blocks for automated, compliant, and scalable Web3 billing. Built for developers who need reliability, not just features.
benefits
TANGIBLE RESULTS
Business Outcomes for Your Platform
Our Smart Invoice Generation API delivers more than just code. It provides measurable business advantages that accelerate your growth and solidify your competitive edge.
01
Accelerated Time-to-Market
Deploy a fully functional, secure invoicing module in weeks, not months. We provide a production-ready API with comprehensive documentation and integration support, eliminating the need for in-house blockchain expertise.
< 3 weeks
Average Deployment
100%
On-Time Delivery
02
Enterprise-Grade Security & Compliance
Built on battle-tested smart contract patterns with formal verification. Our code undergoes rigorous audits, ensuring tamper-proof invoices, secure payment routing, and adherence to financial data standards.
0
Critical Audit Findings
100%
On-Chain Immutability
03
Significant Cost Reduction
Eliminate the overhead of building and maintaining a custom blockchain team. Our managed API model converts high fixed engineering costs into predictable, scalable operational expenses.
60-80%
Lower Dev Cost
$0
Infrastructure Management
04
Enhanced User Trust & Retention
Provide customers with transparent, verifiable, and immutable invoice records directly on-chain. This builds unparalleled trust, reduces disputes, and creates a stickier, more reliable payment experience.
90%+
Reduction in Disputes
24/7
Transaction Visibility
05
Seamless Multi-Chain Scalability
Future-proof your platform with invoices that work across Ethereum, Polygon, Arbitrum, and other major EVM chains. We handle the complexity of cross-chain state and settlement logic.
5+
Supported Chains
< 2 sec
Avg. Confirmation
06
Actionable Financial Insights
Gain real-time analytics on payment flows, customer behavior, and revenue recognition. Our API provides structured data feeds for your existing BI tools, turning blockchain activity into strategic intelligence.
Real-time
Data Feeds
100%
Audit Trail
Infrastructure Decision Analysis
Build vs. Buy: Smart Invoice API
A detailed comparison of the costs, risks, and time investment required to build a compliant on-chain invoicing system in-house versus leveraging Chainscore's production-ready API.
| Key Factor | Build In-House | Chainscore API |
|---|---|---|
Time to Production | 6-9 months | 2-4 weeks |
Initial Development Cost | $180K - $350K+ | $25K - $75K |
Smart Contract Security Audit | $30K - $100K (External) | Included (Pre-Audited) |
Regulatory Compliance (VAT, e-invoicing) | High Risk / Custom Build | Built-in for 40+ Jurisdictions |
Ongoing Maintenance & Updates | 1-2 Full-Time Engineers | Fully Managed Service |
Uptime & Reliability SLA | Your Responsibility | 99.95% Guaranteed |
Multi-Chain Support (EVM, Solana) | Per-Chain Development | Unified API Included |
Total Cost of Ownership (Year 1) | $250K - $500K+ | $50K - $150K |
how-we-deliver
PREDICTABLE, PROVEN PROCESS
Our Delivery Methodology
We deliver your Smart Invoice Generation API with a structured, transparent approach that minimizes risk and ensures you go live on time, with enterprise-grade quality.
01
Discovery & Architecture
We start with a deep dive into your business logic, token standards, and settlement workflows. We deliver a detailed technical specification and architecture diagram for your custom API endpoints.
1-3 days
Workshop
Detailed Spec
Deliverable
02
Smart Contract Development
Our engineers build your core on-chain logic using Solidity 0.8+ with OpenZeppelin standards. Every contract includes comprehensive unit and integration testing.
OpenZeppelin
Standards
100% Coverage
Test Target
03
API & Backend Integration
We develop the off-chain API layer (Node.js/Python) that listens to blockchain events, manages state, and exposes REST/Webhook endpoints for your application to consume.
REST/Webhook
Endpoints
< 100ms
Target Latency
04
Security Audit & Deployment
Code undergoes internal review followed by a formal audit from a partner firm. We then deploy to your chosen testnet/mainnet with full documentation.
External Audit
Included
Full Docs
Deliverable
security
CORE SERVICE
Smart Contract Development
Secure, production-ready smart contracts built by Web3 experts.
We architect and deploy custom smart contracts for DeFi, NFTs, and enterprise applications. Our code is built on Solidity 0.8+ with OpenZeppelin security patterns and undergoes rigorous audits before deployment.
Deliver a secure, gas-optimized MVP in as little as 2 weeks.
Our process includes:
- Full lifecycle development: from architecture and
Hardhat/Foundrytesting to mainnet deployment. - Security-first approach: formal verification and third-party audit coordination.
- Protocol integration: seamless compatibility with
ERC-20,ERC-721,ERC-1155, and custom standards.
Smart Invoice API
Frequently Asked Questions
Get clear answers about our API's capabilities, integration, and security for automating Web3 payments.
Most teams complete integration and testing in 1-2 weeks. We provide comprehensive API documentation, Postman collections, and sample code for Solidity, JavaScript, and Python. Our technical onboarding includes a dedicated integration call to configure your first invoice flows.
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