We architect and deploy custom smart contracts on EVM and Solana that are audit-ready from day one. Our development process integrates security best practices from OpenZeppelin and Securify2 to mitigate risks before the first line of code is written.
LABS
Services
Rollup-Specific Fee Infrastructure API
A specialized API service for L2s and rollups to accurately estimate, manage, and optimize transaction costs, including L1 data posting, proof generation, and multi-token fee economics.
Chainscore © 2026
overview
CORE SERVICE
Smart Contract Development
Secure, production-ready smart contracts built for scale and compliance.
- Full Lifecycle Development: From specification and
Solidity/Rustcoding to deployment and post-launch monitoring. - Gas Optimization: We write contracts that minimize transaction costs, often achieving 20-40% gas savings.
- Compliance & Standards: Built-in support for
ERC-20,ERC-721,ERC-1155, and custom tokenomics with regulatory considerations.
Deploy a secure, mainnet-ready contract in as little as 2 weeks. We provide a comprehensive audit report and verification on
EtherscanorSolscan.
key-features-cards
ENTERPRISE-GRADE INFRASTRUCTURE
Core Capabilities of Our Fee API
Our Rollup-Specific Fee API delivers the precise, reliable, and programmable fee management layer required for high-performance L2 applications. Built for scale and security.
benefits
PROVEN INFRASTRUCTURE
Business Outcomes for Your Rollup
Our Rollup-Specific Fee Infrastructure API delivers measurable results, from accelerated development to superior user economics. Here’s what you can expect.
01
Accelerated Time-to-Market
Integrate a production-ready fee API in under 2 weeks, not months. We handle the complex fee logic, gas abstraction, and payment routing so your team can focus on core product development.
< 2 weeks
Integration Time
100+
Pre-built Integrations
02
Predictable & Reduced Costs
Eliminate the overhead of building and maintaining custom fee infrastructure. Our managed service scales with your rollup, converting unpredictable engineering costs into a predictable operational expense.
60%
Dev Cost Reduction
Fixed Fee
Pricing Model
03
Enhanced User Experience
Offer seamless gasless transactions, multi-token fee payments, and sponsor-a-gas models. Drastically lower onboarding friction and increase user retention with a fee system that works for your users.
90%+
Onboarding Success
0 Gas
For End Users
04
Enterprise-Grade Reliability
Built for zero-downtime operations. Our infrastructure features multi-chain redundancy, automated failover, and is monitored 24/7, ensuring your rollup's fee mechanism is always available.
99.9%
Uptime SLA
< 50ms
P95 Latency
05
Future-Proof Architecture
Stay ahead of protocol upgrades and new fee standards. Our API abstracts away underlying complexity, providing automatic compatibility with EIP-1559, account abstraction (ERC-4337), and upcoming L2 improvements.
Auto-Updated
Protocol Support
Zero Downtime
Upgrades
Strategic Decision Analysis
Build vs. Buy: Fee Infrastructure for Rollups
A detailed comparison of the total cost, risk, and time investment required to develop and maintain a custom fee infrastructure versus using Chainscore's managed API.
| Key Factor | Build In-House | Chainscore API |
|---|---|---|
Time to Initial Deployment | 4-9 months | 2-4 weeks |
Initial Development Cost | $150K - $400K+ | From $25K |
Annual Maintenance & DevOps | $80K - $200K | Included in SLA |
Security Audit Requirement | Mandatory ($50K-$100K) | Pre-audited & maintained |
Protocol Upgrade Management | Your team's responsibility | Handled by Chainscore |
Multi-Chain L1 Support | Custom integration per chain | Unified API (EVM, SVM, Move) |
MEV Protection & Optimization | Complex R&D project | Built-in strategies |
Real-Time Analytics Dashboard | Additional 2-3 month project | Included out-of-the-box |
SLA for Uptime & Support | Build your own (costly) | 99.9% uptime with 24/7 SRE |
Total Cost of Ownership (Year 1) | $280K - $700K+ | $50K - $150K |
how-we-deliver
PROVEN PROCESS
Our Delivery Methodology
Our structured, four-phase approach ensures your rollup fee infrastructure is delivered on time, secure, and ready to scale. We focus on measurable outcomes, not just features.
01
Architecture & Specification
We conduct a deep technical discovery to define your exact fee model (paymaster, account abstraction, gas sponsorship), tokenomics, and integration points. Deliverables include a detailed technical spec and architecture diagram.
1-2 weeks
Phase Duration
100%
Spec Finalization
02
Core API & Smart Contract Development
Our engineers build the core fee management API and the required smart contracts (Paymaster, Fee Vaults) using Solidity 0.8+ and OpenZeppelin libraries. All code follows security-first patterns from day one.
3-4 weeks
Development Sprint
Audit-Ready
Code Quality
03
Security Audit & Integration
We facilitate a professional smart contract audit with our partner firms (e.g., Trail of Bits, Spearbit). Concurrently, we integrate the API with your existing frontend and backend systems for seamless testing.
2-3 weeks
Audit Cycle
Zero Critical
Target Issues
04
Deployment & Go-Live Support
We manage the deployment to your chosen rollup (Optimism, Arbitrum, zkSync) and mainnet, configure monitoring/alerting, and provide 30 days of post-launch support to ensure stability and performance.
1 week
Deployment Window
99.9%
Uptime SLA
Rollup Fee API
Frequently Asked Questions
Get clear answers on how our specialized API for rollup fee management integrates, scales, and secures your infrastructure.
Our API is a dedicated service layer that handles the complex fee logic, payment streaming, and economic modeling specific to rollups (Optimistic & ZK). You need it to abstract away the burden of building and maintaining custom fee systems, which accelerates your go-to-market by 6-8 weeks and ensures your rollup's economics are competitive and sustainable from day one.
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