We architect, develop, and deploy secure Solidity/Rust smart contracts for DeFi, NFTs, and enterprise applications. Our process is built on OpenZeppelin standards and includes formal verification for critical logic.
LABS
Services
Layer 3 Scalable Microtransaction API Development
We build high-throughput payment APIs that leverage Layer 3 scaling (StarkEx, zkSync) to process millions of sub-dollar transactions with near-zero fees, unlocking new revenue models for digital content, gaming, and IoT.
Chainscore © 2026
overview
SECURE & AUDITED
Custom Smart Contract Development
Enterprise-grade smart contracts built with security-first principles and comprehensive audit trails.
From token contracts to complex DeFi protocols, we ensure your on-chain logic is robust, gas-optimized, and future-proof.
- Security-First Development: Every line undergoes peer review and automated analysis with
Slither/MythXbefore deployment. - Full Audit Readiness: We deliver detailed technical specifications and test coverage reports exceeding 95% to streamline third-party audits.
- Post-Deployment Support: Includes upgradeability planning using Transparent Proxy patterns and monitoring for real-time threat detection.
key-features-cards
ENGINEERED FOR SCALE
Core Technical Capabilities
Our Layer 3 API is built on a foundation of battle-tested infrastructure and security-first engineering, delivering the performance and reliability your microtransaction business requires.
01
Sub-Second Finality
Transaction confirmations in under 500ms, enabling real-time user experiences for gaming, social, and pay-per-action models.
< 500ms
Finality
10k+ TPS
Peak Throughput
02
Enterprise-Grade Security
Smart contracts and core infrastructure audited by leading firms. Multi-sig governance and 24/7 threat monitoring ensure asset safety.
100%
Audit Coverage
Zero
Security Incidents
03
Gasless Transaction Relays
Abstract gas fees for your end-users with sponsored transactions. Predictable billing and detailed usage analytics for your business.
$0
User Gas Cost
Real-time
Cost Dashboard
04
Multi-Chain Settlement
Deploy once, settle on Ethereum, Arbitrum, or Polygon. Future-proof architecture with seamless L1/L2 interoperability.
3+
Supported Chains
1 Day
Chain Integration
06
Guaranteed Infrastructure Uptime
Enterprise SLA with 99.9% uptime. Horizontally scalable nodes and automated failover ensure zero-downtime deployments.
99.9%
Uptime SLA
< 5 min
Recovery Time
benefits
PROVEN RESULTS
Business Outcomes for Your Product
Our Layer 3 Scalable Microtransaction API delivers measurable improvements in user experience, operational efficiency, and revenue potential. Here's what you can expect.
01
Sub-Penny Transaction Feasibility
Enable true microtransactions with fees as low as $0.0001, unlocking new business models like pay-per-article, in-game item purchases, and fractionalized services that were previously cost-prohibitive on L1/L2.
< $0.001
Avg. Fee
1000x
Cost Reduction
02
Instant User Onboarding
Remove the friction of gas fees and wallet funding for new users. Our gasless transaction sponsorship and account abstraction patterns allow users to interact with your dApp immediately, boosting activation rates.
< 30 sec
First Tx Time
40%+
Higher Activation
03
Predictable, Low-Cost Scaling
Scale transaction volume without exponential cost increases. Our dedicated L3 architecture provides linear cost scaling, giving you predictable infrastructure spend as your user base grows.
10k+ TPS
Peak Capacity
Fixed Cost
Pricing Model
04
Enterprise-Grade Reliability
Build on infrastructure with a 99.9% uptime SLA, multi-region redundancy, and 24/7 monitoring. Ensure your revenue-generating services are always available to users.
99.9%
Uptime SLA
< 2 sec
P99 Latency
05
Faster Time-to-Market
Go from concept to live microtransaction feature in weeks, not months. Our pre-built SDKs, modular smart contracts, and managed validators eliminate the need to build and secure complex L3 infrastructure from scratch.
2-4 weeks
Live Deployment
Pre-Audited
Core Contracts
06
Enhanced User Retention
Smooth, fast, and affordable transactions keep users engaged. Reduce drop-off rates at payment points and increase session depth by removing the cognitive and financial friction of blockchain interactions.
25%+
Lower Churn
3x
More Sessions
use-cases
ARCHITECTURE BENEFITS
Tailored for High-Volume, Low-Value Payment Flows
Our Layer 3 API is engineered from the ground up for the unique demands of microtransactions, enabling new business models in gaming, content, and IoT by making sub-dollar payments viable.
01
Sub-Cent Transaction Costs
Leverage our purpose-built L3 to reduce per-transaction gas fees to fractions of a cent, enabling profitable business models around micropayments and in-app purchases.
< $0.001
Avg. Transaction Cost
1000x
Cost Reduction vs L1
02
Millisecond Finality
Achieve near-instant payment confirmation with our high-throughput sequencer, eliminating user wait times and enabling real-time interactions like in-game item purchases.
< 500ms
Time to Finality
10,000+
TPS Capacity
03
Automated Gas Sponsorship
Remove user friction entirely with our built-in meta-transaction system. We handle gas fees on your behalf, creating a seamless Web2-like payment experience for your end-users.
0
User Gas Fees
Bulk Pricing
Cost Model
04
Batched Settlement to Ethereum
Thousands of microtransactions are aggregated and settled to Ethereum L1 in a single batch, providing ultimate security while distributing the fixed L1 cost across all payments.
99.9%
Cost Savings
Hourly/Daily
Settlement Cadence
05
Built-in Fraud & Rate Limiting
Protect your revenue with configurable rules for transaction velocity, amount limits, and behavioral patterns, preventing spam and financial abuse at the protocol layer.
Real-time
Fraud Detection
Custom Rules
Flexible Policy Engine
Infrastructure Decision Matrix
Build vs. Buy: Custom L3 API vs. Generic Payment Gateways
A technical and financial comparison for engineering leaders deciding between developing a custom Layer 3 solution in-house, using a generic Web2 payment gateway, or partnering with Chainscore Labs for a purpose-built API.
| Decision Factor | Build In-House | Generic Payment Gateway | Chainscore L3 API |
|---|---|---|---|
Time to First Transaction | 6-12 months | 2-4 weeks | 4-8 weeks |
Development Cost (Year 1) | $250K - $750K+ | $10K - $50K (integration) | $50K - $150K |
Microtransaction Fee Economics | Customizable (<$0.01) | 2.9% + $0.30 | Customizable (<$0.01) |
On-Chain Settlement Finality | Configurable (<2 sec) | 3-5 business days | <2 seconds guaranteed |
Crypto/Native Asset Support | Full control | Limited (via 3rd party) | Multi-chain (EVM, Solana, etc.) |
Smart Contract & Security Audit | Your responsibility (High Risk) | Not applicable | Included (Audited by Spearbit, CertiK) |
Infrastructure Uptime SLA | Your team's responsibility | 99.9% | 99.95% |
Protocol Upgrades & Maintenance | Ongoing engineering burden | Vendor-controlled roadmap | Managed service with backward compatibility |
Custom Logic (e.g., subscriptions, royalties) | Fully programmable | Limited to vendor features | Fully programmable via API |
Team Requirements | 5-10 senior blockchain engineers | 1-2 full-stack developers | 1-2 integration engineers |
how-we-deliver
CORE SERVICE
Smart Contract Development
Secure, production-ready smart contracts built to your exact specifications.
We architect and deploy custom smart contracts that form the backbone of your Web3 application. Our development process ensures security-first design, gas optimization, and full audit readiness from day one.
- Token Systems:
ERC-20,ERC-721,ERC-1155with custom minting, vesting, and governance logic. - DeFi Protocols: Automated Market Makers (AMMs), lending/borrowing pools, staking, and yield aggregators.
- Enterprise Logic: Multi-signature wallets, asset tokenization platforms, and custom on-chain business rules.
We deliver battle-tested code with a zero critical bug track record in production, backed by formal verification and comprehensive test suites covering 95%+ of code paths.
Our engineers specialize in Solidity 0.8+ and Vyper, leveraging established patterns from OpenZeppelin and implementing upgradeable proxy patterns for future-proofing. We provide complete deployment packages for Ethereum, Polygon, Arbitrum, and other EVM-compatible chains.
Layer 3 API
Frequently Asked Questions
Get clear answers on our development process, timelines, and support for your scalable microtransaction infrastructure.
For a standard Layer 3 microtransaction API with core features (wallet abstraction, gas sponsorship, batch processing), we deliver a production-ready MVP in 2-4 weeks. Complex integrations with custom state channels or novel consensus mechanisms can extend to 6-8 weeks. We provide a detailed sprint-by-sprint roadmap after the initial technical scoping session.
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