SETSimple Easy Transactions

THE SET API BY SIMPLE EASY TRANSACTIONS · FOR BUSINESSES PAID FOR THEIR OWN WORK

SET Merchant API: be paid in dollars or USDC, and receive USDC in your own wallet or dollars in your own bank.

SET onboards your business directly. Your payers pay a US account in your name by bank transfer, or pay USDC at your permanent SET Cash-Out Address. You choose where the money goes: USDC to your own wallet, or dollars to your own bank. No developer needed to start; an API key is optional.

Request an order form →See how to start

1 · WHAT IT IS

What is the SET Merchant API?

The SET Merchant API, the SET API by Simple Easy Transactions, gives one business accounts in its own name to be paid into, for a business that is SET's customer itself. SET onboards the business directly, with no platform in between: it passes business verification once, every account is opened in its name, and every payout goes to its own bank or wallet. Its payers pay it in US dollars by ACH, wire or FedNow to a US account in its name, or in USDC at its permanent SET Cash-Out Address. It receives USDC in its own wallet, or dollars in its own bank by ACH or wire, with euro payouts by SEPA and pound payouts by Faster Payments too. A US account holds no balance. The business needs no developer to start: SET onboards it with an order form and hands over its payment details, and an API key is optional. SET never holds the funds.

Looking for the SET API? This is it: the SET Merchant API is the SET API by Simple Easy Transactions. One person cashing out their own USDC? That is a SET Cash-Out Address.

2 · WHAT IT DOES

You choose how you are paid. SET opens what that choice needs.

SET registers your business, your business passes verification, and then SET opens what your choice needs, in your name. What it opens is what you hand your payers.

  1. 01

    Paid in dollars, received in USDC

    SET opens: A US account in your business's name. Your payers pay your account by ACH, wire or FedNow. Each payment is delivered as USDC to your own wallet, so this is the way for a business that keeps its own wallet.

  2. 02

    Paid in USDC, paid out in dollars

    SET opens: A permanent SET Cash-Out Address for your business. Anyone pays you in USDC at one address that never changes, and Bridge pays it to your own bank in dollars by ACH or wire. Euro payouts by SEPA and pound payouts by Faster Payments are there too. You need no wallet of your own to be paid.

  3. 03

    Paid in dollars, paid out in dollars

    SET opens: Both, working as one. Your US account pays straight into your SET Cash-Out Address, and the address pays your own bank. Bank transfer in, bank transfer out, all in your own name, with SET's fee taken once.

How money comes in and goes out. Every bank account and wallet it reaches is your business's own.
Your payers payYou receive
US dollars by ACH, wire or FedNow, to a US account in your nameUSDC in your own wallet, or dollars in your own US bank by ACH or wire
USDC on Base, Ethereum or Solana, at your SET Cash-Out AddressDollars in your own US bank by ACH or wire, euros by SEPA to your own IBAN, or pounds by Faster Payments to your own UK account

3 · WHY BUSINESSES USE IT

What your business gets.

Every account in your own nameSET onboards your business directly. No platform sits between you and SET: your US account carries your name, and every payout goes to your own bank or wallet.
No developer needed to startSET onboards you with an order form, your business passes verification once, and SET hands you the payment details to give your payers. An API key is optional, for when you want to automate.
Dollars or USDC, whichever your payers useClients who pay by bank transfer and clients who pay in USDC both pay you, and you choose whether you keep USDC or receive dollars in your own bank.
Records you can reconcileYou name who paid each payment, signed notifications report each payment as it moves, and a monthly statement shows what came in, SET's fees and what was paid out.
Returned payments come back to youA payment that cannot be paid out comes back to a wallet you control, which you name once.

4 · WHO IT IS FOR

Businesses paid for their own goods or services.

A software company billing crypto-native clientsClients pay invoices in USDC at your Cash-Out Address, and you receive dollars in your own bank.
An agency with overseas clients paying in USDCOne address that never changes for every client, paid out to your own bank in dollars, or kept as USDC in your own wallet.
An exporter paid by US buyersUS buyers pay a US account in your name by ACH, wire or FedNow, and you receive USDC in your wallet or dollars in your bank.

Not for anyone collecting money that is not its own:

5 · HOW TO START, AND WHAT IT COSTS

An order form, one verification, and your payment details.

  1. 01

    Ask for an order form

    Tell SET what your business sells and how your payers pay. SET replies with an order form, which sets SET's price.

  2. 02

    Pass business verification

    Your business completes verification once, under its registered legal name.

  3. 03

    Receive your payment details

    SET opens what your choice needs and hands you what your payers pay into: your US account's bank details, your Cash-Out Address, or both.

  4. 04

    Automate, if you want to

    An API key is optional. With one, your own systems read every payment, name each payer and receive signed notifications.

SET's price is set in your order form. SET's fee is withheld as each payment settles, or invoiced monthly, as your order form sets. Exchange and network fees are separate from SET's and are shown on every payment.

Request an order form →

6 · THE RULES THAT MATTER MOST

What to know before you sign.

Currency conversion and payouts are provided by Bridge, not by SET. “Services for U.S. residents are provided, where applicable, by Bridge Building Inc. (NMLS ID 2450917).”

Every other rule and limit comes with your order form.

7 · SET'S PART

From the first payment in to the last payment out, in your own name.

Onboarded by SET, directlySET registers your business under its exact legal name and opens every account for it. There is no platform between you and SET.
Bank in, bank out, in one stepYour US account pays straight into your permanent SET Cash-Out Address, so a dollar payment in becomes a dollar payment out to your own bank, with SET's fee taken once.
Travel Rule handled before money movesEvery movement carries the Travel Rule data it needs, and SET checks it before any money moves. You name who paid each payment.
Signed notifications and monthly statementsEach change to a payment is sent to you as a signed notification, and each month's statement shows gross, fees and paid out for every currency.
An API when you want oneThe SET API, with a key that can only ever act for your own business.
SET never holds the fundsEach payment is paid out as it settles, to your own bank or wallet.

QUESTIONS

What businesses ask first.

What is the SET Merchant API?

The SET Merchant API, the SET API by Simple Easy Transactions, gives one business accounts in its own name to be paid into, for a business that is SET's customer itself. SET onboards the business directly, with no platform in between: it passes business verification once, every account is opened in its name, and every payout goes to its own bank or wallet. Its payers pay it in US dollars by ACH, wire or FedNow to a US account in its name, or in USDC at its permanent SET Cash-Out Address. It receives USDC in its own wallet, or dollars in its own bank by ACH or wire, with euro payouts by SEPA and pound payouts by Faster Payments too. A US account holds no balance. The business needs no developer to start: SET onboards it with an order form and hands over its payment details, and an API key is optional. SET never holds the funds.

Is the SET Merchant API the SET API?

Yes. The SET Merchant API is the SET API by Simple Easy Transactions, for a business paid for its own goods or services: SET onboards that business directly, every account is in its own name, every payout goes to its own bank or wallet, and its key can act only for that business. SET does not offer its API to payment platforms or payment service providers that collect for other merchants.

Do I need a developer?

No. SET onboards your business with an order form and hands you your payment details. An API key is optional, for businesses that want to automate.

Who is the SET Merchant API for?

Businesses paid for their own goods or services: for example, a software company billing crypto-native clients, an agency whose overseas clients pay in USDC, or an exporter paid by US buyers.

Who is it not for?

Money services businesses, exchanges, payment processors collecting for others, marketplaces collecting for their sellers, and escrow. The money paid in must be the business's own.

Does my business need its own crypto wallet?

Only to receive USDC. A business paid in its own bank uses its permanent SET Cash-Out Address, and receives dollars, or euros or pounds.

Do I have to say who paid me?

Yes. The Travel Rule needs it: for each payment you name who paid, a business or a person, with its country, or say your business paid itself. A refused submission can be corrected and sent again.

What if a payment cannot be paid out to my bank?

It comes back to the return wallet your business named once, a wallet you control, and you see it as a returned payment in your notifications.

What does the SET Merchant API cost?

SET's price is set in your order form. SET's fee is withheld as each payment settles, or invoiced monthly, as your order form sets. Exchange and network fees are separate from SET's and are shown on every payment.

Does SET hold my money?

No. SET never holds the funds. Each payment is converted and paid out as it settles, to your own bank or wallet. Who provides conversion and payouts is stated under the rules that matter most, above.

Request an order form →See how to start

FINE PRINT

Which SET Merchant API this is.

The SET Merchant API is the SET API of Simple Easy Transactions (SET), a Missouri company: the payments API a business uses for its own payments. It is not ServiceNow's Import Set API, a REST API that loads records into ServiceNow staging tables and transforms them; not Microsoft's Windows API sets, which organize Win32 APIs into functional groups; and not an API for the Secure Electronic Transaction (SET) card protocol of the 1990s.