Wallet creation in 3 lines
Generate deposit addresses across any supported network. One API, consistent interface, instant deployment.
Read the docs1import Relay from '@relayfinance/sdk';2 3const wallet = await Relay.wallets.create({4 network: 'ethereum',5 label: 'user-deposit-001'6});7 8console.log(wallet.address);9"comment">// 0x742d35Cc6634C0532925a3b844Bc9e...Everything you need to move value
A complete toolkit for building crypto infrastructure, from wallet creation to automated treasury management.
Wallet
Create deposit addresses across Bitcoin, Ethereum, Solana, and Tron. Unlimited sub-wallets under one master.
Learn moreEvents
Real-time webhooks for deposits, withdrawals, and confirmations. Never poll, never miss.
Learn moreData
Query balances, transactions, and address history. Complex blockchain data, normalized and simple.
Learn moreAutomation
Auto-forward deposits to master wallets. Define rules, batch transactions, optimize fees.
Learn moreBuilt for every use case
From exchanges to e-commerce, our infrastructure powers crypto operations at any scale.
Crypto Exchanges
Generate unique deposit addresses for every user. Track incoming transactions in real-time with webhooks.
Learn moreE-commerce
Accept crypto payments without the complexity. Automatic conversion tracking and order reconciliation.
Learn moreFintech Apps
Build crypto features into your existing product. White-label wallet infrastructure that scales.
Learn moreBuilt for developers who ship
Every feature designed to help you build faster and more reliably.
Multi-chain, one SDK
Bitcoin, Ethereum, Solana, Tron — same interface, same patterns.
Lightning Network ready
Fast, cheap Bitcoin transactions out of the box.
Webhooks that work
Reliable delivery, automatic retries, cryptographic signatures.
Enterprise security
Multi-sig support, encrypted keys, SOC 2 roadmap.
Pay as you go
No monthly fees. Pay only for what you use.
99.9% uptime SLA
Redundant infrastructure, real-time status page.
Security & Compliance
Enterprise-grade security built into every layer of our infrastructure.
SOC 2 Type II
Independently audited security controls and processes.
AES-256 Encryption
Bank-grade encryption for all data at rest and in transit.
Multi-Sig Wallets
Optional multi-signature requirements for high-value operations.
Regular Audits
Continuous security assessments by third-party experts.
Simple, usage-based pricing
No monthly fees. No surprises. Pay only for what you use.
Need higher volume?
Custom pricing for teams processing 100k+ transactions.
npm install @relayfinance/sdkDeveloper experience, obsessed
We've built the tools we wish existed. Thoughtful SDKs, clear documentation, and helpful examples to get you shipping fast.