Source: https://cryptanio.com/wiki/tag/payments/
Language: en

# Payments

Guides to receiving cryptocurrency payments\, invoices and payment links\.

## [What is USDT](https://cryptanio.com/wiki/what-is-usdt/)

How USDT differs from a transfer network and what to check before paying\.

## [What is USDC](https://cryptanio.com/wiki/what-is-usdc/)

How to identify the intended USDC and avoid confusion with similar tokens\.

## [How networks and tokens differ](https://cryptanio.com/wiki/network-and-token/)

Why an asset name and address alone do not identify a payment route\.

## [What is an invoice](https://cryptanio.com/wiki/what-is-an-invoice/)

How an invoice connects an order to payment details and cryptocurrency payment status\.

## [What transaction confirmations mean](https://cryptanio.com/wiki/transaction-confirmations/)

Why a detected transfer and a completed payment have different states\.

## [What is a payment link](https://cryptanio.com/wiki/what-is-a-payment-link/)

When a hosted payment page is enough and how it differs from a particular invoice\.

## [How to accept cryptocurrency payments on your website](https://cryptanio.com/wiki/accept-cryptocurrency-payments-on-your-website/)

Choose a cryptocurrency payment flow\, prepare receiving addresses and connect payment verification to your orders\.

## [How to create a cryptocurrency payment link without a website or programming](https://cryptanio.com/wiki/create-crypto-payment-link-without-website-or-code/)

Create a fixed\-amount payment link in your account\, send it to a customer and check receipt in your own wallet\.

## [How to automatically confirm order payment through a webhook](https://cryptanio.com/wiki/confirm-orders-with-crypto-payment-webhooks/)

Link an invoice to an order\, verify webhook signatures and guard fulfilment against retries\, underpayment and rollbacks\.

## [How to accept crypto payments in a Telegram bot](https://cryptanio.com/wiki/accept-crypto-payments-telegram-bot/)

Link a physical\-product order in your own Telegram bot to a Cryptanio invoice\, send a payment link\, and verify payment\. Includes Telegram Stars and Mini Apps restrictions\.

## [How to accept cryptocurrency payments for subscriptions](https://cryptanio.com/wiki/accept-cryptocurrency-subscription-payments/)

Create a plan and subscriber in Cryptanio\, share their payment page\, and verify the paid\-through period after each customer\-initiated transfer\. Configure reminders\, the grace period\, and prepayment rules\.

## [Why an order stays unpaid after cryptocurrency has been sent](https://cryptanio.com/wiki/order-unpaid-after-crypto-payment/)

Check the transaction\, network and token\, the specific payment attempt’s details\, amount\, and invoice status\. If the invoice is already paid\, investigate its order relationship and webhook processing\.

## [How to accept USDT payments on your website](https://cryptanio.com/wiki/accept-usdt-payments-website/)

Choose the USDT network and token\, connect a receiving address for your website\, show exact payment details\, and distinguish a sent transfer from a paid order\.

## [How freelancers can get paid in cryptocurrency by clients](https://cryptanio.com/wiki/freelancer-crypto-payments/)

How to agree on crypto payment for a job or milestone\, email a payment link to your client and reconcile receipt before delivering the work\.

## [How to check payment through the API without a webhook](https://cryptanio.com/wiki/check-payment-api-without-webhook/)

Server\-side invoice checks through the API\: payment statuses\, bounded polling\, errors\, one\-time order fulfilment and recovery after a restart\.

## [What is a TXID and where can you find a transaction ID\?](https://cryptanio.com/wiki/transaction-id-txid/)

Where to copy a TXID in a wallet or on an exchange\, how to check it in an explorer\, and how it differs from an address\, a withdrawal request and an invoice number\. The ID alone does not prove that an order has been paid\.

## [USDT transfer network fees\: who pays and what determines the cost\?](https://cryptanio.com/wiki/usdt-network-fees/)

How to distinguish network fees\, wallet or exchange charges and payments for Cryptanio services\. What determines the cost of a USDT transfer and how to check the amount the recipient will receive\.

## [How to accept USDC payments on your website](https://cryptanio.com/wiki/accept-usdc-payments-website/)

Set up payment for a single order in USDC on a network chosen in advance\: verify the exact token\, connect an address to the project\, create an invoice and confirm the result on your server\.

## [How to restrict an API key to one project](https://cryptanio.com/wiki/api-key-single-project/)

Create a separate key for server\-side invoice reconciliation in one project\: select the project\, read access and the required API section\, configure IP rules and expiry\, then test the access boundary\.

## [How to accept or reject a crypto payment received after the payment deadline](https://cryptanio.com/wiki/accept-or-reject-late-crypto-payment/)

Choose the correct payment attempt and decide how to handle a late payment\: access rights\, invoice menu actions\, and checking the result\.