Build on Surge.
Ship Bitcoin credit.
Keep your brand.
Add Bitcoin-backed borrowing or USDC yield to your product.
Non-custodial infrastructure. No custody burden.
The two SDKs
Borrow SDK
Let your users unlock dollar credit lines against their Bitcoin.
Non-custodial - you never touch their funds.
Earn SDK
Let your users earn yield on stablecoins, backed by Bitcoin collateral they can verify on-chain.
Why build with Surge?
Non-custodial by design
You never hold user funds. No custody licensing, no counterparty liability.
No infrastructure overhead
Vaults, oracles, and liquidations are handled by the protocol. You focus on your product.
Earn from every transaction
Share in protocol fees from your users' activity. More volume, more revenue.
No gatekeepers
Permissionless integration. No approval process, no platform dependency.
Your users are sitting on Bitcoin.
Now it works for them.
We're onboarding first partners now.