Swaps for wallets, Deposits for exchanges, Checkout for merchants, Payouts for platforms, Bitcoin for neobanks

Deposits, swaps and withdrawals across every network, from one integration. Deep liquidity, settlement in seconds and 24/7 support, all built in.

Read the docs

Deposits, swaps and withdrawals across every network, from one integration. Deep liquidity, settlement in seconds and 24/7 support, all built in.

Read the docs

Annual volume: $5.5B+
Settlement: <10s
Uptime: 99.99%
Minimum: $1.00
Maximum: >$50M

Powering ambitious teams. From wallets to prediction markets.

Wallets
Native swaps for any asset on 20+ networks. Users get exactly the price they saw.
Exchanges & markets
Deposits from any chain, credited fast. Bitcoin lands at zero or one confirmation.
Fiat Onramp
Fiat to any asset on any chain, without paying card network fees.
Commerce
Accept BTC, ETH, SOL or any stablecoin. Settle in USD with no price exposure.
Savings & DCA
Automated asset accumulation. Users stack daily, weekly or monthly.
Reach Everyone
Reach users wherever their money lives, from Cash App to neobanks on Solana.

One API to move any asset. Flashnet handles the rest.

Flashnet API

Quickstart

How can I add Bitcoin trading to my app?

Quote a pair like USDC on Base to BTC, then fund the deposit address. Flashnet fills the trade and delivers it to your user.

View docs

Open with

orchestration.ts

1const quote = await fetch(BASE_URL + "/v1/orchestration/quote", {2method: "POST",3headers: {4"Content-Type": "application/json",5Authorization: `Bearer ${API_KEY}`,6"X-Idempotency-Key": `quote:${Date.now()}`,7},8body: JSON.stringify({9sourceChain: "base",10sourceAsset: "USDC",11destinationChain: "spark",12destinationAsset: "BTC",13amount: "100000000", // 100.00 USDC14recipientAddress: "spark1...",15}),16}).then((r) => r.json());

The network of networks. Flashnet unifies everything.

No single balance sheet caps your order. Flashnet fills from onchain liquidity and its own markets, routing large trades to wherever the depth is.

Read the docs

Built to settle. Every payout clears on one integration.

Ask once and get a firm price across 12 networks. The quote holds for 2:00 while you decide.
No single balance sheet caps your order. Flashnet fills from onchain liquidity and its own markets, and routes large trades to wherever the depth is.
Self-custodial by default. Set your own fee on every order, with counterparty screening and uptime backed by enterprise SLAs.
Flashnet obsesses over perfection. Day or night, when you need support, we’re here.