Breez SDK
Move Value Like Information
The Breez SDK is the simplest way to add instant, non‑custodial bitcoin and stablecoins to any app or service, removing third-party dependencies and enabling value to move as easily as information.
Integrate in minutes with just a few lines of code, onboard users anywhere without the licensing burden, and bring value transfer to billions around the world.
Instant Bitcoin
Move value like information with Lightning-fast bitcoin and stablecoins.
Best-in-Class DX
A fully end-to-end solution for developers. Go from integration to production in minutes.
Global from Day One
Non-custodial. Peer-to-peer. Onboard users instantly, anywhere in the world.
What's in the SDK
Everything you need to bring value transfer to your app or service.
Fully-featured Lightning
Lightning addresses, invoices, LNURL-Pay, -Withdraw, -Auth, and -Verify.
Languages & Frameworks
Kotlin, Swift, JS, React Native, Flutter, Go, Python, C#, and WASM.
Passkey Login
Seedless onboarding and restore, no recovery phrase needed.
USDT & USDC
Users can send/receive stablecoins from their BTC or stable balance.
Stable Balance
Users can hold their balance in USD to avoid BTC price volatility.
Multi-device/app Sync
Users can access their balance from multiple devices and apps.
Contacts API
Save and reuse Lightning addresses, synced across devices.
Caching & Persistence
Out-of-the-box caching and persistence for a smooth UX.
External Signer
Bring your own key management, or use the built-in Turnkey signer.
Integrated On-ramps
Let users buy bitcoin directly via Cash App and MoonPay.
Fiat Currencies
Real-time exchange rates to display value in fiat currencies.
Multi-user Server Mode
Run multiple user balances from a single backend server.
Add instant bitcoin and stablecoins to your app or service in minutes.
Breez SDK - Spark
npm install @breeztech/breez-sdk-spark await sdk.receivePayment({ paymentMethod: { type: 'bolt11Invoice', description: 'Here are your sats!', amountSats: 21000 }})
Trusted By
More than 100 teams have integrated the Breez SDK, including Deblock, Cake Wallet, and Klever.
Frequently Asked Questions
What is the Breez SDK?
The Breez SDK is the easiest way for developers to add instant, non-custodial bitcoin and stablecoins to any app or service. Built on Spark, a Bitcoin-native Layer 2, it abstracts away the complexities of building with Bitcoin and Lightning, so teams can ship instant bitcoin without third-party dependencies, bringing value transfer to billions of users globally.
How is the Breez SDK different?
Typically, bitcoin payment solutions accept BTC on behalf of users and route instructions through intermediaries to settle debts.
The Breez SDK is different: bitcoin is integrated directly into the app or service, so value transfer is part of the experience. There are no third party dependencies, so value moves like information: directly, instantly, to anyone, anywhere.
Who controls the funds?
The user. The Breez SDK's non-custodial architecture means users hold their own keys and control their funds.
Who is building with the Breez SDK?
The Breez SDK is built for any app or service where value needs to move. 100+ teams are building with the Breez SDK, including Deblock, Cake Wallet, Klever, and Garden. Use cases include crypto wallets, neobanks, swap services, social platforms, remittance, tipping, streaming payments, and more.
How much does the Breez SDK cost?
The Breez SDK is free and open-source, available to any developer at any scale: from one-person teams to global companies serving billions of users.
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Join the world's best teams already building with the Breez SDK.
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