Breez primary-source snapshot

Fetched: 2026-04-25 UTC

1) Official homepage

Source: https://breez.technology/

Selected excerpts from the official site:

Bitcoin in Every App

SDKs that make value move as easily as information.

The simplest way to add instant, non-custodial bitcoin to any app or service.

Additional signals from the site:

  • Breez frames itself first as embeddable infrastructure for apps and services rather than as a retail wallet brand
  • The site repeatedly centers developer enablement and broad application categories such as neobanks, exchanges, wallets, remittance, and social apps

2) SDK landing page

Source: https://breez.technology/sdk/

Selected excerpts from the official site:

The Breez SDK is the best-in-class solution for developers adding instant, non-custodial bitcoin to their apps and services, removing third-party dependencies and enabling value to move as easily as information.

With just a few lines of code, onboard billions of users to Bitcoin.

Built on Spark, a native Bitcoin Layer 2 with no minimum limits, instant settlement, and multi-asset support including stablecoins.

Additional signals from the SDK page:

  • The product surface extends beyond simple send/receive into passkey login, stable balance, multi-device sync, external signing, and integrated onramps
  • Official copy makes clear that Breez wants to be a full-stack app-embedded bitcoin UX layer, not just a node-hosting service

3) Case studies page

Source: https://breez.technology/case-studies/

Selected excerpts from the official site:

From crypto wallets to neobanks to mainstream apps, teams across the world use the Breez SDK to bring instant, non-custodial bitcoin to millions of users.

Join 75+ apps and services adding instant, non-custodial bitcoin with the Breez SDK.

Additional signals from the case-studies page:

  • Breez explicitly presents itself as infrastructure already embedded by other products, which is important for categorization
  • The “75+ apps and services” claim is not independently verified here, but it is a useful official signal of intended market position

4) Spark documentation

Source: https://sdk-doc-spark.breez.technology/

Selected excerpts from the docs:

The Breez SDK provides developers with an end-to-end solution for integrating instant, non-custodial bitcoin into their apps and services.

It’s a nodeless integration that offers a non-custodial, end-to-end solution for integrating bitcoin, utilizing the Bitcoin-native Layer 2 Lightning & Spark, with on-chain interoperability.

Passkey login for seedless experience

Stable Balance - hold your balance in USD

Issue, send and receive Spark tokens (BTKN)

Additional signals from the docs:

  • Spark materials show Breez broadening from Lightning integration into a fuller app-wallet stack with passkeys, stable-balance UX, tokenized balances, and multi-device state sync
  • The docs are far more informative than the marketing site for understanding what Breez actually ships

5) Liquid documentation

Source: https://sdk-doc-liquid.breez.technology/

Selected excerpts from the docs:

It’s a nodeless integration that offers a non-custodial, end-to-end solution for integrating bitcoin, utilizing the Liquid Network & Lightning, with on-chain interoperability and third-party fiat on-ramps.

The Breez SDK - Liquid uses submarine swaps and reverse submarine swaps to send and receive payments, enabling funds to move frictionlessly between the Lightning Network and the Liquid sidechain.

USDT and multi-asset support on Liquid

Additional signals from the docs:

  • The Liquid path confirms Breez is not tied to a single network implementation; it ships multiple bitcoin-adjacent execution models under one SDK umbrella
  • Submarine-swap explanations and multi-asset support make Breez better categorized as payments/wallet infrastructure than as a simple Lightning wrapper

6) Public GitHub organization

Source: https://github.com/breez

Selected excerpts/signals from the public org page:

Breez is bringing instant, non-custodial bitcoin to apps and services with the free and open-source Breez SDK.

To provide the best experience for their end-users, developers can choose between the following implementations: Breez SDK - Spark / Breez SDK - Liquid.

Glow is a PWA built with the Breez SDK - Spark … available to partners as a white-label solution.

Additional signals from the GitHub org:

  • The org reinforces that Breez’s primary source of truth is public code and docs, not just homepage copy
  • Glow as a white-label showcase app is a useful clue that Breez sells an embeddable product experience, not merely low-level primitives

7) Spark SDK repository

Source: https://github.com/breez/spark-sdk

Selected excerpts from the repository page:

The Breez SDK provides developers with an end-to-end solution for integrating instant, non-custodial bitcoin into their apps and services.

The Breez SDK uses Spark, a Bitcoin-native Layer 2 built on a shared signing protocol, to enable real-time, low-fee, self-custodial payments.

Funds are non-custodial: you can exit Spark at any time and reclaim your bitcoin directly on the Bitcoin main chain.

Additional signals from the repo:

  • The repository documents concrete implementation structure: Rust workspace crates, bindings, CLI, wasm, and example apps across many languages
  • The repo also explains the Spark operating model in more detail than the homepage, including shared-signing flows, operator role, and off-chain balance/history handling

Notes

  • This pass did not locate a classic whitepaper or litepaper from official Breez sources.
  • The most useful primary materials were the homepage, SDK landing page, Spark docs, Liquid docs, GitHub org, and Spark SDK repository.
  • Breez appears best categorized as Bitcoin payments SDK / Lightning infrastructure / app-embedded wallet and stable-balance tooling.