← KoinKoin Pay
Thanh toán doanh nghiệp
Nhận USDT từ khách hàng KoinKoin bằng hóa đơn, liên kết thanh toán và mã QR, tại quầy hoặc trên website của bạn. Tiền về tài khoản KoinKoin của bạn ngay lập tức.
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KoinKoin Pay cho doanh nghiệp

Get paid in digital dollars, instantly

Send invoices, show a QR code at your till or add KoinKoin checkout to your website. Your customers pay from their KoinKoin account in seconds, and the USDT lands in yours straight away, with no chargebacks and no waiting for settlement.

How an invoice works
  1. 1
    Create the invoice
    Enter the amount in USDT, what it is for and, if you like, your own reference number. Choose how long it stays open: from 5 minutes to 7 days.
  2. 2
    Share it
    Copy the checkout link, send it on WhatsApp or by email, show the QR code at your counter, or redirect your website's customer to it.
  3. 3
    Your customer pays
    They open the checkout page, see your business name and the amount, and pay from their KoinKoin account with their 2FA code.
  1. 1
    You are paid at once
    The USDT arrives in your KoinKoin account immediately, and the invoice is marked Paid with the payer's name and time.
  2. 2
    Your systems are told
    If you use the API, we send a signed webhook to your server so your order is confirmed automatically.
  3. 3
    Use your money
    Keep it in USDT, convert it to your local currency, withdraw it or pay your own suppliers with KoinKoin Pay.
Getting started

Hai cách nhận thanh toán

Verified business
Registered companies complete business verification (KYB): company documents, directors and owners. Once approved, business payments switch on straight away.
No limit on invoice amounts
Hộ kinh doanh cá nhân
Individuals with a verified KoinKoin account can apply to take business payments under their trading name. Our team reviews each application.
Invoices up to 5,000 USDT each
Bạn nhận được gì

Everything you need to get paid

Thanh toán tức thì
Money is in your account the moment your customer pays. No settlement delay and no chargebacks.
Links and QR codes
Every invoice has a checkout link and a QR code, for online orders, deliveries or your shop counter.
API and webhooks
Create invoices from your website or till system and receive a signed webhook when each one is paid.
Clear records
See every invoice, who paid and when, with your own reference numbers, ready for your accounts.
Câu hỏi

Frequently asked questions

Chi phí là bao nhiêu?
Business payments currently carry no fee. If that changes, the fee will be shown in your dashboard before it applies and on every invoice.
Who can pay my invoices?
Any verified KoinKoin customer. They pay from their KoinKoin balance with their own 2FA code.
Is there a limit on how much I can invoice?
Businesses that have passed business verification can invoice any amount. Sole traders can invoice up to 5,000 USDT each time.
What happens if an invoice is not paid in time?
It expires automatically and can no longer be paid. Create a new one whenever you need to.
Can I connect my website?
Yes. Use the API tab to create invoices from your own systems, send customers to the KoinKoin checkout and receive webhooks when they pay. Sending the same reference again returns the same invoice, so a retried request never creates two.
How do I give a refund?
Payments are final once made. To refund a customer, send the amount back to them with KoinKoin Pay.
Start taking payments today
Not verified as a business yet? Complete business verification to remove the invoice limit.