We architect and deploy custom smart contracts that form the backbone of your Web3 application. Our development process is built on security-first principles, utilizing OpenZeppelin libraries and comprehensive audit practices to ensure your core logic is robust and resilient.
LABS
Services
Sui Blockchain Checkout API
A developer-first API for building high-performance merchant checkouts on Sui. We leverage its object-centric model and parallel execution to handle thousands of concurrent payments per second.
Chainscore © 2026
overview
CORE SERVICE
Smart Contract Development
Secure, production-ready smart contracts built to your exact specifications.
From concept to mainnet, we deliver contracts that are gas-optimized, upgradeable, and battle-tested for real-world use.
- Token Standards:
ERC-20,ERC-721,ERC-1155, and custom implementations. - DeFi Protocols: Automated Market Makers (AMMs), staking pools, lending/borrowing logic.
- Enterprise Logic: Multi-signature wallets, governance systems, and custom business rules.
- Full Audit Trail: Code review, formal verification, and pre-deployment testing on testnets.
key-features-cards
ENTERPRISE-GRADE INFRASTRUCTURE
Core Features of Our Sui Checkout API
A developer-first API designed to handle the complexities of on-chain payments, so you can focus on your core product.
01
Gasless Transaction Sponsorship
We abstract gas fees for your end-users. Our system sponsors transaction fees, eliminating a major UX barrier and increasing conversion rates for your application.
0
Gas Fees for Users
Pay-per-Tx
Predictable Cost
02
Multi-Asset & Stablecoin Support
Accept payments in SUI, native stablecoins like USDC, and popular SPL tokens. We handle real-time price feeds and conversions seamlessly.
20+
Supported Assets
< 1 sec
Price Oracle Update
03
Instant Payment Verification
Get real-time, deterministic confirmation of on-chain settlements. Our system monitors the Sui network to provide instant success/failure status, not just transaction submission.
99.9%
Settlement Accuracy
< 3 sec
Confirmation Time
04
Modular & Extensible Webhooks
Receive instant server-side notifications for payment events (success, failure, refund). Easily integrate with your existing CRM, accounting, or fulfillment systems.
10+
Event Types
99.5%
Webhook Delivery SLA
05
Enterprise Security & Compliance
Built with security-first principles. Includes non-custodial architecture, rate limiting, IP allowlisting, and audit logs. SOC 2 Type II compliant infrastructure.
SOC 2
Compliance
Non-Custodial
Funds Security
benefits
TANGIBLE RESULTS
Business Outcomes for Your Platform
Integrating our Sui Blockchain Checkout API delivers measurable improvements to your core business metrics, from user acquisition to operational efficiency.
01
Faster Time-to-Market
Launch a secure, production-ready crypto checkout in under 2 weeks. We handle the complex Sui Move smart contract development, wallet integrations, and compliance logic so you can focus on your core product.
< 2 weeks
Average Deployment
100+
Pre-built Components
02
Enhanced User Conversion
Reduce checkout friction with a seamless, 3-click payment flow. Our API abstracts wallet complexities, supports multiple SUI tokens, and provides real-time transaction status, increasing successful payment completion rates.
3 clicks
Checkout Flow
0 gas fees
For End Users
03
Enterprise-Grade Security & Compliance
Built with security-first principles. All smart contracts are formally verified using the Move Prover and undergo third-party audits. Includes built-in fraud detection and transaction monitoring tools.
Formal Verification
Move Prover
Third-Party Audited
Security Standard
04
Scalable & Cost-Effective Operations
Leverage Sui's high-throughput, low-latency architecture. Our API handles peak loads with sub-second finality, eliminating network congestion fees and reducing your overall transaction processing costs.
> 100k TPS
Theoretical Capacity
< 400ms
Finality
05
Actionable Payment Analytics
Gain deep insights into your payment funnel with a dedicated dashboard. Track transaction volume, user demographics, token preferences, and success/failure rates to optimize your revenue strategy.
Real-time
Dashboard
Custom Metrics
Tailored Reports
06
Dedicated Technical Partnership
Get more than an API—get a team of Sui experts. We provide ongoing support, protocol upgrade management, and strategic consulting to ensure your checkout evolves with the ecosystem.
24/7
SLA Support
Sui Foundation
Partner Network
Sui Checkout API Integration
Structured Development Packages
Compare our tiered packages for integrating a secure, production-ready Sui blockchain checkout solution.
| Feature | Starter | Professional | Enterprise |
|---|---|---|---|
Sui Move Smart Contract Development | |||
Custom Checkout UI/UX Integration | Basic | Custom | Fully Branded |
Multi-Asset Payment Support (SUI, USDC, etc.) | |||
Security Audit & Penetration Testing | Basic Review | Full Audit Report | Full Audit + Ongoing |
Deployment to Sui Mainnet | |||
Transaction Monitoring & Analytics Dashboard | 7-day Logs | 30-day Analytics | Real-time Dashboard |
Technical Support SLA | Email (72h) | Priority (24h) | Dedicated Engineer (<4h) |
Guaranteed Uptime SLA | 99.5% | 99.9% | |
Estimated Implementation Timeline | 3-4 weeks | 6-8 weeks | Custom |
Starting Price | $25,000 | $75,000 | Custom Quote |
how-we-deliver
PREDICTABLE, SECURE, AND FAST
Our Development & Integration Process
A streamlined, four-phase methodology designed to deliver a production-ready Sui Checkout API integration with minimal disruption to your core engineering team.
01
Discovery & Architecture
We conduct a technical deep-dive to define your exact payment flows, token standards, and compliance requirements. You receive a detailed integration blueprint and project timeline.
1-2 weeks
Scoping Phase
Detailed Spec
Deliverable
02
Smart Contract Development
Our Sui Move experts build, test, and audit the core payment logic. We implement battle-tested patterns for secure fund escrow, multi-token support, and atomic settlement.
Move Pro
Language
Security Audited
Standard
03
API & SDK Integration
We deploy the fully-managed Checkout API and provide a lightweight SDK for your frontend. Includes webhook endpoints for real-time payment status and settlement confirmations.
REST & SDK
Interfaces
< 100ms
API Latency
04
Deployment & Support
We handle the mainnet deployment, provide comprehensive documentation, and initiate a 30-day support period to ensure a smooth launch and address any integration questions.
Zero-Downtime
Deployment
30-day Support
Included
security
CORE SERVICE
Smart Contract Development
Secure, production-ready smart contracts built for scale and compliance.
We architect and deploy custom smart contracts that power your Web3 product, from ERC-20 tokens to complex DeFi protocols. Our code is built for security-first, using audited patterns from OpenZeppelin and rigorous internal reviews.
Deliver a market-ready MVP in as little as 2-4 weeks, with full documentation and deployment scripts included.
- End-to-End Development: Strategy, architecture,
Solidity 0.8+/Vypercoding, testing, and mainnet deployment. - Security & Audits: Formal verification, unit/integration testing, and preparation for third-party audits (e.g.,
CertiK,Quantstamp). - Gas Optimization: Write efficient code to reduce user transaction costs by 15-40% on average.
- Compliance Ready: Build with
ERC-1400,ERC-3643, or other standards for regulated assets.
Sui Checkout API
Frequently Asked Questions
Get clear, technical answers on how our Sui Blockchain Checkout API service works, from integration to security.
A standard integration with our pre-built components takes 2-3 weeks from kickoff to production. Complex customizations, such as bespoke token logic or multi-chain settlement layers, may extend this to 4-6 weeks. We provide a detailed project plan after the initial technical discovery call.
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