WEB3 & DeFi Bridge

The Fiat to Web3 bridge with Zero Friction.

Stop user drop-offs. Offer dedicated bank accounts to your crypto users, sponsor Gas costs invisibly, and settle in stablecoins automatically.

Try Gasless API arrow_forward

Gasless Abstraction

Blockchain complexity,
completely invisible.

payments

User sends EUR

Dedicated virtual IBAN

Fiat / SEPA
bolt

Bridflow sponsors Gas Fee

Meta-tx · EIP-712

Gasless · Sponsor
account_balance_wallet

Wallet receives USDC

Automatic settlement

Stablecoin
arrow_downward arrow_downward
visibility_off

Gas fees, bridging and custody — 100% managed by Bridflow. Your user only sees their balance.

Technical Features

Everything an Exchange needs
to operate on-chain.

sync_alt Auto-Forwarding

Convert incoming EUR
into USDC instantly.

Every SEPA transfer detected on your virtual IBAN triggers an automatic conversion and on-chain send. No manual intervention, no liquidity windows.

  • check_circle EUR → USDC conversion in <30 seconds
  • check_circle Support for USDC, USDT and DAI
  • check_circle On-chain confirmation webhook
bridflow API · auto_convert
POST /v1/transfers
{
  "source": {
    "type": "iban",
    "iban": "ES76 2100 0418 ...",
    "currency": "EUR",
    "amount": 500
  },
  "destination": {
    "type": "wallet",
    "address": "0xA1b2...F3d4",
    "network": "polygon",
    "asset": "USDC"
  },
  "meta": {
    "gas_sponsor": true,
    "auto_convert": true
  }
}

// Response
{
  "id": "tx_9vKz3wQ8",
  "status": "settled",
  "output_amount": "498.21 USDC",
  "gas_paid_by": "bridflow"
}
bolt Gas Sponsor · EIP-712

Your users operate without
owning ETH or MATIC.

Bridflow signs and pays the Gas for each transaction using meta-transactions (EIP-712 / EIP-2771). The user approves with their private key; we pay the network cost.

  • check_circle EVM Compatible (ETH, Polygon, Arbitrum, Base)
  • check_circle Configurable Gas policy per tenant
  • check_circle Real-time consumption and limits dashboard
person

User signs intent

EIP-712 typed message

↓
bolt

Bridflow Relayer executes

Pays gas · forwards tx

↓
check_circle

Tx confirmed on-chain

No native tokens

lock EIP-712 · EIP-2771 · ERC-4337
shield Institutional Custody

Segregated funds with
regulated custodian.

Your users' assets are custodied in segregated accounts through our institutional custodian. No commingling, every on-chain wallet is individually auditable.

  • check_circle MPC Wallet (Multi-Party Computation)
  • check_circle On-chain audit per wallet
  • check_circle Insurance coverage up to €100M
hub

MPC

Multi-Party
Computation

lock

Segregated

Per user,
never commingled

gavel

Regulated

Custodian under
VASP supervision

verified_user

Insured

€100M
Coverage

Technical Integration

Add Fiat funding in
3 lines of code.

A single REST endpoint integrates virtual IBAN, automatic conversion, and sponsored Gas. No proprietary smart contracts, no nodes.

POST /v1/transfers — Bridflow API
▶ bridflow-api · v2.1
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Start for Free

Build the next generation
of decentralized finance.

API keys available immediately. No manual approval required. Free sandbox with unlimited test transactions.

Get Free API Key arrow_forward mail Talk to the team