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Breez
Breez builds the Breez SDK, a developer toolkit that lets any app or service add instant, non-custodial bitcoin (via Lightning, Spark, and Liquid) with just a few lines of code. It serves crypto wallets, neobanks, social apps, and payment/remittance platforms such as Klever, Cake Wallet, Deblock, Sorted, and Club Orange, enabling value transfer to be integrated in hours rather than months.
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Glow Pay
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Description
Glow Pay enables merchants to accept bitcoin payments on their websites in a non-custodial manner, meaning funds settle directly into the merchant's own account rather than being held by Glow Pay. Transactions confirm in under a second with very low fees, and the service allows global payment acceptance without requiring traditional banking infrastructure. Users can set up an account and generate payment addresses, connect their store via a REST API to create payment links (or generate them from a dashboard), and receive funds directly with no middlemen involved. The service appears aimed at online store owners and website operators seeking a fast, low-cost, decentralized way to accept bitcoin from customers worldwide.Category: Payments Infrastructure
Breez SDK - Liquid
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Description
Breez SDK - Liquid provides developers with an end-to-end solution for adding non-custodial Bitcoin capabilities to apps and services without operating a node. It uses submarine and reverse submarine swaps to move funds between a user's Liquid wallet and the Lightning Network, supports on-chain interoperability and third-party fiat on-ramps, and includes multi-asset Liquid support such as USDT. Its features include Lightning and on-chain payments, LNURL and BOLT12 functionality, Lightning addresses, BIP353, multi-device support, real-time backup, WebAssembly support, and user-held keys. It is offered alongside a separate sibling implementation, Breez SDK - Spark, as one of two developer-facing SDK options provided by Breez.Category: Developer Tooling
Breez SDK - Spark
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Description
Breez SDK - Spark provides developers with an end-to-end, non-custodial solution for integrating instant bitcoin and stablecoin payments into their apps and services, eliminating the need for third parties and simplifying the complexities of Bitcoin and Lightning. It is a nodeless integration built on the Bitcoin-native Layer 2 Lightning & Spark network with on-chain interoperability, supporting sending and receiving payments via Lightning address, LNURL-Pay, Bolt11, BTC address, Spark address, and BTKN, as well as USDT/USDC. Key features include Lightning and Spark payments, passkey login for a seedless experience, Stable Balance (holding balances in USD), issuing/sending/receiving Spark tokens (BTKN), conversion between Spark tokens and bitcoin, bindings to popular languages and frameworks (iOS/Swift, Android/Kotlin, Kotlin Multiplatform, JavaScript/TypeScript via Wasm, React Native/Expo, Rust, Flutter, Go, Python, C#), multi-app/multi-device sync, payment persistence with restore support, automatic claims, WebAssembly support, compatibility with external signers, and multi-user server mode. The SDK is free and open-source, maintained in the breez/spark-sdk GitHub repository, and targets app and service developers building non-custodial bitcoin and Lightning payment experiences.Category: Payments Infrastructure