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Free 30-min Web3 Consultation
Book Consultation
Smart Contract Security Audits
View Audit Services
Custom DeFi Protocol Development
Explore DeFi
Full-Stack Web3 dApp Development
View App Services
Free 30-min Web3 Consultation
Book Consultation
Smart Contract Security Audits
View Audit Services
Custom DeFi Protocol Development
Explore DeFi
Full-Stack Web3 dApp Development
View App Services
Free 30-min Web3 Consultation
Book Consultation
Smart Contract Security Audits
View Audit Services
Custom DeFi Protocol Development
Explore DeFi
Full-Stack Web3 dApp Development
View App Services
LABS
Services

Cross-Chain Messaging & Notifications SDK

An infrastructure SDK that delivers real-time, cross-chain notifications for wallet activity and enables secure dApp-to-user messaging. Increase user engagement and retention with reliable, protocol-agnostic alerts.
Chainscore © 2026
overview
CORE SERVICE

Smart Contract Development

Secure, production-ready smart contracts built by Web3 experts to power your protocol.

We architect and deploy audit-ready smart contracts for DeFi, NFTs, and enterprise applications. Our team specializes in Solidity 0.8+, Rust (Solana), and Move (Aptos/Sui) to deliver gas-optimized, upgradeable, and secure code from day one.

Reduce your time-to-market from months to weeks with our battle-tested development framework and reusable security modules.

  • Full-Stack Development: From token standards (ERC-20, ERC-721, ERC-1155) to complex DeFi primitives like AMMs and lending vaults.
  • Security-First Process: Mandatory unit/integration testing, formal verification with tools like Slither, and preparation for third-party audits (OpenZeppelin, CertiK).
  • Post-Deployment Support: Includes verification, monitoring with Chainscore's analytics, and proposal management for DAO governance.
key-features-cards
BUILT FOR SCALE AND SECURITY

Core Technical Capabilities

Our SDK is engineered for production-grade applications, providing the reliability, security, and performance your cross-chain strategy demands.

benefits
DELIVERING TANGIBLE VALUE

Drive Measurable Business Outcomes

Our Cross-Chain Messaging & Notifications SDK is engineered to deliver specific, quantifiable improvements to your product's performance and your team's efficiency.

01

Accelerate Time-to-Market

Integrate production-ready cross-chain logic in under 2 weeks, not months. Our SDK abstracts the complexity of relayers, oracles, and consensus, letting your team focus on core product features.

< 2 weeks
Integration Time
10+
Supported Chains
02

Slash Infrastructure Costs

Eliminate the overhead of building and maintaining your own messaging layer. Our managed service model converts high fixed engineering costs into a predictable, usage-based operational expense.

60%
Cost Reduction
Pay-per-use
Pricing Model
03

Guaranteed Reliability & Uptime

Built on battle-tested infrastructure with automated failover. We provide enterprise-grade SLAs for message delivery, ensuring your cross-chain operations never miss a beat.

99.9%
Uptime SLA
< 5 sec
Avg. Latency
05

Mitigate Security & Execution Risk

Leverage formally verified message protocols and multi-signature guardian sets. Our architecture is designed to prevent common failure modes like double-spends and replay attacks.

Zero
Protocol Exploits
Formal Verification
Security Standard
06

Scale with Transaction Volume

Our horizontally scalable infrastructure handles spikes in demand without degradation. Process thousands of cross-chain messages per second to support your product's growth.

10k+
TPS Capacity
Auto-scaling
Infrastructure
Cross-Chain Messaging & Notifications SDK

Technical Specifications & Supported Networks

Compare our SDK tiers based on core capabilities, supported networks, and service levels to find the right fit for your project.

SpecificationStarterProfessionalEnterprise

Supported Chains

Ethereum, Polygon, Base

Ethereum, Polygon, Base, Arbitrum, Optimism, Avalanche

All Starter & Pro chains + custom chain integration

Message Throughput

Up to 100 msg/sec

Up to 1,000 msg/sec

Unlimited, custom scaling

Uptime SLA

99.5%

99.9%

99.99% with financial credits

Delivery Guarantee

Best effort

Guaranteed with retry logic

Guaranteed with atomic delivery & proofs

Security Audit

Public audit report

Public audit + quarterly reviews

Public audit + continuous monitoring + bug bounty

Support & Response

Community & docs

Priority email (< 24h)

Dedicated Slack & 24/7 on-call (< 1h)

Custom Logic & Hooks

Pre-built templates

Full custom development

On-Chain Proofs

Starting Price (Annual)

$15K

$50K

Custom

how-we-deliver
PREDICTABLE, TRANSPARENT, AND FAST

Our Delivery Process: From Integration to Launch

We provide a structured, milestone-driven delivery process designed for technical teams. Get a production-ready SDK integrated in weeks, not months, with clear ownership and enterprise-grade support at every stage.

01

Discovery & Architecture Design

We start with a technical deep-dive to map your use case, target chains, and notification logic. You receive a detailed integration blueprint covering message formats, security models, and cost optimization strategies.

1-2 days
Kickoff Time
Detailed Spec
Deliverable
02

SDK Integration & Environment Setup

Our engineers provide a dedicated integration branch and hands-on support to embed our SDK into your stack. We configure your development and staging environments with multi-chain testnet support (Sepolia, Holesky, Arbitrum Goerli).

< 1 week
Initial Setup
Dedicated Support
Included
03

Custom Logic & Smart Contract Integration

We implement your specific cross-chain notification triggers and message payloads. This includes integrating with your existing smart contracts (e.g., bridging protocols, DeFi vaults) to emit standardized events our SDK consumes.

Solidity 0.8+
Standard
Gas-Optimized
Focus
04

Security Review & Penetration Testing

Every integration undergoes a mandatory internal security audit focusing on message validation, replay attack prevention, and rate limiting. We provide a findings report and remediation guidance before proceeding to mainnet.

Zero-Cost
Internal Audit
OWASP Compliant
Standards
05

Staging Deployment & Load Testing

We deploy your configured SDK to a staging environment and execute high-volume load tests simulating real-world traffic across chains. You receive performance benchmarks for latency, throughput, and failure rates.

> 1000 TPS
Test Load
< 2 sec P95
Latency Target
06

Mainnet Launch & Production Monitoring

We manage the production deployment and provide 24/7 monitoring dashboards for message delivery status, chain health, and error rates. Your team gets immediate alerts and access to our on-call engineering support.

99.9% SLA
Uptime
24/7 Support
Post-Launch
Cross-Chain SDK

Frequently Asked Questions

Get clear answers on how our SDK accelerates your multi-chain strategy.

Standard integration takes 1-2 weeks for a basic proof-of-concept. Full production deployment with custom logic and security audits typically completes in 3-5 weeks. We provide a phased roadmap starting with a core messaging layer, followed by notification customization and monitoring setup.

ENQUIRY

Get In Touch
today.

Our experts will offer a free quote and a 30min call to discuss your project.

NDA Protected
24h Response
Directly to Engineering Team
10+
Protocols Shipped
$20M+
TVL Overall
NDA Protected Directly to Engineering Team
Cross-Chain Messaging SDK | Chainscore Labs | ChainScore Guides