Breez SDK
The instant bitcoin and stablecoin SDK built for apps, services, and billions of users worldwide.
Integrate in minutes with a few lines of code, onboard users anywhere without the licensing burden, and join 100+ teams already building with Breez.
Instant Bitcoin & Stablecoins
Users send and receive bitcoin and stablecoins in seconds, with no minimum limits.
Global from Day One
Non-custodial. Peer-to-peer. Onboard users instantly, anywhere in the world.
Best-in-Class DX
A fully end-to-end solution for developers. Go from integration to production in minutes.
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.
Cash App to USDC/USDT
Users pay from Cash App and the recipient gets USDC or USDT on their chain.
Stable Balance
Users can hold their balance in USD to avoid BTC price volatility.
Instant Deposits
Claim on-chain deposits in seconds, no confirmations needed.
Automatic Claims
On-chain deposits are claimed automatically within the fee limits you set.
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.
Spark Tokens
Issue, send, receive, and convert Spark tokens (BTKN).
External Signer
Bring your own key management.
Turnkey Signer
A built-in signer for server-side, non-custodial embedded wallets.
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.
Unilateral Exit
Users can always withdraw to the Bitcoin blockchain without the Spark operators.
Open-source
Free and open-source, available to any developer at any scale.
Partner Portal
Track your volume and activity in one dashboard.
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.
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Join the world's best teams already building with the Breez SDK.
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