We switched to Spark because it solved our core challenges at Guap; we can now focus on what matters — bringing accessible Bitcoin-powered payments to people worldwide.
Ari Ramdial
CEO, Guap
The complete wallet toolkit
Live
Launch your wallet in seconds directly into your stack — whether for personal use, or on behalf of users, businesses & merchants.
Live
Plug and play your wallet's frontend & backend. Spark is unopinionated, we give developers full control over their internal operations.
Live
Build snappy experiences with near-zero fees. No block confirmation or crazy mempool fees; just click send and it’s done.
Live
Speak Bitcoin and Lightning, and instantly connect your wallet to hundreds of millions of users and deep pools of liquidity.
In development
Let users cash in and out in seconds for almost zero fees — integrate instant & cheap bank transfers & card deposits.
In development
Fintech your wallet. Issue physical cards, create virtual bank accounts, and build embedded financial products.