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Start in the sandbox with a test key. When your integration works, swap in a live key: the requests stay the same.

Quickstart

Take a test payment end to end in about ten minutes.

API reference

Every endpoint, field and response.

What you can build

Checkout

Send customers to a hosted page that takes USDC or USDT on the network they choose.

Deposits

Give each payment its own wallet address or bank account, inside your own app.

Withdrawals

Pay suppliers and staff from your balance, to a wallet or a bank account.

Ramps

Let your customers buy or sell stablecoins with local currency.

How it fits together

Your server calls the API with a secret key. Money that arrives lands in your Flipeet balance, and we tell your server with a signed webhook. From your balance you can withdraw to a wallet or a bank. Every key belongs to a mode. fpay_test_ keys use the sandbox, where nothing reaches a bank or a blockchain and you decide each payment’s outcome. fpay_live_ keys move real money.