Qvard Blog
Guides for crypto payments, stablecoins, hosted checkout, API integration and merchant operations.
Gateway basicsWhat is a crypto payment gateway? How it works
A crypto payment gateway lets a business accept crypto, track every payment and withdraw funds. How it works step by step, and what to check before choosing.
2026-05-02 · 8 min read
Accept crypto paymentsHow to accept crypto payments on a website
Step by step: create a payment from your server, send the customer to the payment page, handle the webhook and test it. With working Node.js code.
2026-05-07 · 7 min read
GuideHow to add crypto payments to an online store
A step-by-step plan for adding crypto payments to an online store: decisions to make first, the integration steps, how to word the checkout and how to go live safely.
2026-05-08 · 4 min readStart here
IntegrationsWordPress crypto payments
How to accept crypto payments on WordPress and WooCommerce without a ready-made plugin: the two pieces of code, where they go and what usually breaks.
2026-05-17 · 6 min read
Gateway basicsCrypto payment gateway for businesses
Crypto payment gateway for businesses. Plain-language guide to how crypto payment gateways work for online businesses.
2026-05-04 · 1 min read
Gateway basicsCrypto acquiring vs crypto payment gateway
Crypto acquiring and a crypto payment gateway: what the terms mean, how they differ from card acquiring, and what to check before you accept crypto.
2026-05-05 · 5 min read
SaaS and invoicingCrypto invoicing for B2B SaaS
How to let B2B customers pay SaaS invoices in crypto: when to create the payment, how to reconcile, handle short payments, renewals and refunds.
2026-05-19 · 6 min read
Gateway basicsHow a custodial crypto payment gateway works
How a custodial crypto payment gateway works. Plain-language guide to how crypto payment gateways work for online businesses.
2026-05-03 · 1 min read
EcommerceCrypto payments for digital goods stores
How a store that sells keys, accounts, downloads and subscriptions can take crypto: the delivery flow, partial payments, repeated webhooks and what to promise customers.
2026-05-15 · 8 min read
SDKCrypto pay button: add a pay with crypto button to your site
Crypto pay button guide: how to add a pay with crypto button to your site, what the planned SDK button is and what works today. With code. Step by step.
2026-10-12 · 2 min read
POSCrypto POS system: how a point-of-sale system can take crypto
Crypto POS system explained: how a point-of-sale system can accept crypto, what Qvard plans for its POS terminal and what works today through the API.
2026-10-13 · 2 min read
ComparisonHosted checkout vs custom checkout
Hosted or custom checkout for crypto payments: what each means, why Qvard works through a hosted page today, what you can still design yourself around it and when a custom checkout is worth waiting for.
2026-05-18 · 4 min read
EcommerceCrypto payments for ecommerce
How an online store can add crypto as a payment method: where it fits at checkout, order statuses, partial payments, refunds, accounting in dollars and what is ready today.
2026-05-12 · 6 min read
ComparisonPayment gateway vs crypto wallet for merchants
Should a business take crypto into its own wallet or through a payment gateway? What each does, where a plain wallet is enough, and what a gateway adds for orders, statuses and reconciliation.
2026-05-01 · 4 min read
Host-to-Host APICrypto payment API: how server-to-server payments work
Crypto payment API guide: create a payment from your server with POST /api/v1/payment, get a redirectUrl and receive the final status by webhook.
2026-10-12 · 2 min read
USDTHow to accept USDT TRC20 payments
What accepting USDT on TRON (TRC20) involves for a business: why it is the most common stablecoin rail, how a payment flows, and the mistakes to avoid.
2026-05-13 · 6 min read
RetailAccept crypto in store: how a physical shop can take crypto today
How to accept crypto in a physical store: the point-of-sale flow, what the Qvard terminal plans, and the working path with the API today. Step by step.
2026-10-12 · 2 min read
Gateway basicsHow to choose a crypto payment provider
How to choose a crypto payment provider. Plain-language guide to how crypto payment gateways work for online businesses.
2026-05-06 · 1 min read
WebhooksHow to secure crypto payment webhooks
What protects a payment webhook endpoint: checking the API key header, idempotent handling, exact status codes, retries and logging. Based on how Qvard webhooks really work.
2026-05-04 · 6 min read
SaaSCrypto payments for SaaS
How a SaaS company can take crypto: invoice per period instead of card-on-file, renewal flow, partial payments, accounting in dollars and what not to promise customers.
2026-05-17 · 6 min read
StablecoinsStablecoin payments for B2B invoices
How to let business customers pay invoices in stablecoins: choosing the network, one payment per invoice, who bears fees, short payments, reconciliation and what to agree in advance.
2026-05-15 · 6 min read
TerminalCrypto payment terminal: what it is and what works today
Crypto payment terminal explained: a point-of-sale device for crypto payments, what is on the Qvard roadmap and what works today with the API.
2026-10-12 · 2 min read
EcommerceCrypto checkout for online stores
Crypto checkout for online stores. What crypto payments change for online stores, from checkout to reconciliation.
2026-05-13 · 1 min read
TONTON payment gateway for merchants
TON payment gateway for merchants. TON payments in practice: speed, checkout experience and merchant setup.
2026-05-07 · 1 min read
ComparisonUSDT vs USDC for business payments
How USDT and USDC differ for a business accepting payments: issuers, reach among customers, networks, risks and why most merchants accept both.
2026-05-20 · 4 min read
InvoicesHow crypto invoices work
How crypto invoices work. How crypto invoices behave: amounts, exchange rates, lifetimes and edge cases.
2026-05-12 · 1 min read
MarketplacesCrypto checkout for multi-vendor platforms
Crypto checkout for multi-vendor platforms. Payment flows for marketplaces: sub-merchants, settlement and statuses.
2026-05-05 · 1 min read
Mini appsTelegram mini app payments: taking crypto inside a mini app
Telegram mini app payments explained: taking crypto inside a Telegram mini app, what Qvard plans for mini app checkout and the working path with the API today.
2026-10-14 · 2 min read
TONHow to accept USDT on TON
How to accept USDT on TON. TON payments in practice: speed, checkout experience and merchant setup.
2026-05-08 · 1 min read
GuideStablecoin payments for subscriptions
How to bill subscriptions in stablecoins when the customer sends each payment themselves: one payment per period, reminders, a grace period and what happens when a renewal is missed.
2026-05-18 · 2 min read
InvoicesWhat happens when a crypto payment is late
What happens when a crypto payment is late. How crypto invoices behave: amounts, exchange rates, lifetimes and edge cases.
2026-05-15 · 1 min read
GuideHow ecommerce stores can accept USDT
The decisions an online store owner makes when accepting USDT: how to show prices, whether to offer it alongside cards, how to handle refunds and support, and when it pays off.
2026-05-14 · 3 min read
StablecoinsEmbed a stablecoin checkout in your online store
Embed a stablecoin checkout (USDT, USDC) in your online store: how to use the embedded widget, browser-side and server-side payment creation, and webhook verification.
2026-10-14 · 3 min read
SDKJavaScript crypto payment example: a working flow with the live API
JavaScript crypto payment example: a working flow with the live v1 API, a server call and a webhook, plus the planned SDK call marked as roadmap.
2026-10-14 · 2 min read
EventsCrypto payments at events: taking crypto at markets and festivals
Crypto payments at events explained: taking crypto at markets and festivals, what Qvard plans for event terminals and the working path with the API today.
2026-10-14 · 2 min read
Host-to-Host APIHost-to-host payment gateway explained
What a host-to-host payment gateway is: server-to-server payments with a redirect to hosted checkout and a final webhook, explained for merchants.
2026-10-14 · 2 min read
ConversionAccept crypto without a redirect: Qvard’s embedded checkout
Accept crypto without redirect using Qvard’s embedded checkout widget. A JavaScript widget on your page, two ways to create payments, and webhook verification. Why embedded checkout matters and how it works.
2026-10-13 · 3 min read
ConversionOn-site crypto checkout vs redirect: conversion and trade-offs
Embedded crypto checkout vs redirect: how each model affects conversion, control, and effort. Qvard's embedded widget is live. Compare the two models and choose the right approach.
2026-10-13 · 3 min read
SDKLow-code crypto payments: what it means and what works today
Low-code crypto payments explained: a low-code way to accept crypto with less integration code. What is on the Qvard roadmap and what works today.
2026-10-13 · 2 min read
SDKCrypto checkout popup: how a payment popup works and what is planned
Crypto checkout popup explained: how a payment popup works, what the Qvard SDK plans for it and what you can run today. With code. Step by step.
2026-10-13 · 2 min read
QRQR code crypto payments: how a scanned code leads to a payment
QR code crypto payments explained: how a scanned code leads to a crypto payment page, what Qvard plans for QR at the terminal and what works today.
2026-10-13 · 2 min read
Digital goodsSell digital goods in Telegram for crypto: a practical guide
How to sell digital goods in Telegram for crypto: the order flow, what Qvard plans for Telegram checkout and the working path with the API today.
2026-10-13 · 2 min read
InvoicesTelegram crypto invoice: send a crypto invoice from your bot
Telegram crypto invoice explained: how to send a crypto invoice from a Telegram bot, the planned Qvard chat invoice and what works today via the API.
2026-10-13 · 2 min read
WebhooksCrypto payment webhook: handling id and status
Crypto payment webhook guide: receive the final status as a POST with id and status, check your x-api-key header and update orders safely. With code.
2026-10-13 · 2 min read
IntegrationBackend crypto payment integration: step by step
Backend crypto payment integration step by step: create payments from your server, redirect customers, verify webhooks and reconcile orders.
2026-10-13 · 2 min read
Embedded checkoutEmbedded crypto checkout: a payment modal on your own site
Embedded crypto checkout: integrate a live payment modal or inline form via JavaScript. Server-side and browser-side payment creation, webhook verification, and demo.
2026-10-12 · 3 min read
Embedded checkoutCrypto payment widget: how to add it to your website
Crypto payment widget guide: integrate the Qvard embedded checkout widget on your site. Two payment creation methods, webhook signature verification, and demo.
2026-10-12 · 3 min read
SDKCrypto checkout JavaScript SDK: what is planned and what works today
Crypto checkout JavaScript SDK explained: a planned script that opens the payment window, what is on the Qvard roadmap and what works today.
2026-10-12 · 2 min read
TelegramAccept crypto payments in Telegram: what is planned and what works today
How to accept crypto payments in Telegram: a bot-based flow, what the Qvard Telegram checkout plans and the working path with the API today.
2026-10-12 · 2 min read
Telegram botsTelegram bot crypto payments: add crypto payment to your bot
Telegram bot crypto payments: how to add crypto payment to a Telegram bot, what the planned Qvard checkout is and the working path with the API today.
2026-10-12 · 2 min read
Host-to-Host APICreate a crypto payment and get a redirectUrl
How to create a crypto payment and get a redirectUrl in one API call: POST /api/v1/payment, the x-api-key header, an amount in your currency (USD by default) and a redirect to checkout.
2026-10-12 · 2 min read
NetworksEthereum payments for online business
Ethereum payments for online business. Which coins and networks to accept, and what that means for checkout and fees.
2026-05-20 · 1 min read
Payment linksPayment links vs invoices for crypto merchants
Payment links vs invoices for crypto merchants. Taking crypto payments through payment links, with no code required.
2026-05-20 · 1 min read
SaaSHow SaaS teams reconcile crypto payments
How SaaS teams reconcile crypto payments. Crypto payments for SaaS teams: subscriptions, invoicing and reconciliation.
2026-05-20 · 1 min read
IntegrationsCrypto payment button for websites
How to add a Pay with crypto button to a website: why the button cannot call the payment API directly, the three-step pattern, working front-end and server code, and what to protect.
2026-05-20 · 4 min read
NetworksBitcoin payments for businesses
Bitcoin payments for businesses. Which coins and networks to accept, and what that means for checkout and fees.
2026-05-19 · 1 min read
Payment linksCrypto payment links for support teams
Crypto payment links for support teams. Taking crypto payments through payment links, with no code required.
2026-05-19 · 1 min read
ComparisonsCustodial vs non-custodial crypto payments
Custodial vs non-custodial crypto payments. A clear side-by-side comparison to help you pick the right payment setup.
2026-05-19 · 1 min read
IntegrationsCrypto payments for custom backends
A backend-agnostic walkthrough of integrating Qvard into your own server: the order model, creating the payment, the webhook, reconciliation and a go-live checklist, with Python examples.
2026-05-19 · 5 min read
NetworksTON vs TRON for USDT payments
TON vs TRON for USDT payments. Which coins and networks to accept, and what that means for checkout and fees.
2026-05-18 · 1 min read
Payment linksHow to use payment links in Telegram sales
How to use payment links in Telegram sales. Taking crypto payments through payment links, with no code required.
2026-05-18 · 1 min read
IntegrationsWooCommerce crypto payments
How to add crypto as a WooCommerce payment method: a custom gateway class, creating the Qvard payment, the webhook that completes the order, and the WooCommerce-specific pitfalls.
2026-05-18 · 6 min read
NetworksTRC20 vs ERC20 vs BEP20 for payments
How the three most common stablecoin networks differ for a business accepting payments: fees, addresses, the wrong-network risk and how to choose which ones to offer.
2026-05-17 · 5 min read
Payment linksPayment links for crypto payments
Payment links for crypto payments. Taking crypto payments through payment links, with no code required.
2026-05-17 · 1 min read
ComparisonCrypto payments vs card payments
An honest comparison of crypto and card payments for a business: reach, chargebacks, refunds, fees, customer friction, accounting and when to offer both.
2026-05-17 · 5 min read
USDTHow to handle USDT underpayments
Why a USDT payment arrives short, what the partial status means, how to decide between asking for the difference and refunding, and how to prevent it with clearer checkout wording.
2026-05-16 · 5 min read
InvoicesFiat-denominated crypto invoices
Fiat-denominated crypto invoices. How crypto invoices behave: amounts, exchange rates, lifetimes and edge cases.
2026-05-16 · 1 min read
GuideCrypto payments for cross-border ecommerce
What crypto payments change for a store that sells abroad: fewer failed payments, one dollar price, no card network between you and the buyer, and what they do not solve.
2026-05-16 · 2 min read
OperationsMerchant operations checklist for crypto payments
A practical checklist for running crypto payments day to day: what to check before launch, every day, every week and every month, and what to do when something looks wrong.
2026-05-16 · 5 min read
StablecoinsStablecoin payment operations checklist
Stablecoin payment operations checklist. Why stablecoins suit payments: fixed rates, simple checkout and predictable operations.
2026-05-16 · 1 min read
USDTUSDT on TON for merchant payments
USDT on TON for merchant payments. What accepting USDT means in practice: networks, checkout and settlement details.
2026-05-15 · 1 min read
OperationsHandling duplicate and delayed blockchain payments
Handling duplicate and delayed blockchain payments. Operational playbook: balances, withdrawals, monitoring and reconciliation.
2026-05-15 · 1 min read
USDTUSDT payment gateway for businesses
USDT payment gateway for businesses. What accepting USDT means in practice: networks, checkout and settlement details.
2026-05-14 · 1 min read
InvoicesHow to recover underpaid crypto invoices
How to recover underpaid crypto invoices. How crypto invoices behave: amounts, exchange rates, lifetimes and edge cases.
2026-05-14 · 1 min read
OperationsHow to monitor blockchain scanner health
How to monitor blockchain scanner health. Operational playbook: balances, withdrawals, monitoring and reconciliation.
2026-05-14 · 1 min read
StablecoinsHow fixed exchange rates work in stablecoin payments
What a fixed exchange rate means in a crypto payment: why prices are set in dollars, what is fixed for one hour, how it differs for stablecoins and volatile coins, and what to do with late payments.
2026-05-14 · 4 min read
InvoicesInvoice lifetime and fixed exchange rates
Invoice lifetime and fixed exchange rates. How crypto invoices behave: amounts, exchange rates, lifetimes and edge cases.
2026-05-13 · 1 min read
OperationsReports and exports for crypto accounting
Reports and exports for crypto accounting. Operational playbook: balances, withdrawals, monitoring and reconciliation.
2026-05-13 · 1 min read
StablecoinsStablecoin checkout for online merchants
Stablecoin checkout for online merchants. Why stablecoins suit payments: fixed rates, simple checkout and predictable operations.
2026-05-13 · 1 min read
GuideHow to accept USDT payments
A practical guide to accepting USDT from customers: why businesses choose it, how the flow works, which network to offer, how to handle short payments and what to do with the money afterwards.
2026-05-12 · 4 min read
OperationsPayment reconciliation for crypto merchants
How to reconcile crypto payments with your orders and balance: what to log, the daily checks, how to find missed webhooks and short payments, and how to account for fees and withdrawals.
2026-05-12 · 5 min read
StablecoinsWhy businesses use stablecoin payments
Why businesses use stablecoin payments. Why stablecoins suit payments: fixed rates, simple checkout and predictable operations.
2026-05-12 · 1 min read
GuideHow to accept stablecoin payments from clients
How agencies, freelancers and service businesses can take stablecoin payments from clients: one payment per invoice, what to tell the client, handling short payments and recording the result.
2026-05-11 · 3 min read
CheckoutSmart checkout for crypto payments
Smart checkout for crypto payments. How to shape a checkout where paying with crypto feels simple for customers.
2026-05-11 · 1 min read
SettlementWithdrawal thresholds for crypto settlement
Withdrawal thresholds for crypto settlement. Operational playbook for balances, withdrawals and settlement rules.
2026-05-11 · 1 min read
SecurityRisk controls for crypto payment gateways
Risk controls for crypto payment gateways. Security essentials for merchant accounts: keys, access controls and audit trails.
2026-05-11 · 1 min read
TONHow TON transactions affect checkout UX
How TON transactions affect checkout UX. TON payments in practice: speed, checkout experience and merchant setup.
2026-05-11 · 1 min read
AcceptanceCrypto payments for international customers
A practical checklist for selling to customers in other countries and accepting crypto: pricing in dollars, networks, fees, short payments, time zones, refunds, taxes and what to confirm before launch.
2026-05-10 · 5 min read
CheckoutPayment status page vs hosted checkout
Payment status page vs hosted checkout. How to shape a checkout where paying with crypto feels simple for customers.
2026-05-10 · 1 min read
OperationsNetwork fees in crypto payment operations
Who pays which fee in a crypto payment: the sender network fee, exchange withdrawal fees, the gateway commission and the fee when you withdraw, and how to plan and communicate them.
2026-05-10 · 4 min read
Security2FA for crypto merchant accounts
2FA for crypto merchant accounts. Security essentials for merchant accounts: keys, access controls and audit trails.
2026-05-10 · 1 min read
TONTON vs Ethereum for payment checkout
TON vs Ethereum for payment checkout. TON payments in practice: speed, checkout experience and merchant setup.
2026-05-10 · 1 min read
Accept cryptoHow to accept cryptocurrency without building wallets
How to accept cryptocurrency without building wallets. Practical steps to start accepting crypto payments, from first invoice to go-live.
2026-05-09 · 1 min read
CheckoutHow to brand a crypto checkout page
How to brand a crypto checkout page. How to shape a checkout where paying with crypto feels simple for customers.
2026-05-09 · 1 min read
SettlementMerchant balances by coin and network
Merchant balances by coin and network. Operational playbook for balances, withdrawals and settlement rules.
2026-05-09 · 1 min read
SecurityAudit log for merchant payment operations
Audit log for merchant payment operations. Security essentials for merchant accounts: keys, access controls and audit trails.
2026-05-09 · 1 min read
TONTON payments for Telegram-first businesses
TON payments for Telegram-first businesses. TON payments in practice: speed, checkout experience and merchant setup.
2026-05-09 · 1 min read
CheckoutHow checkout localization improves crypto conversion
How checkout localization improves crypto conversion. How to shape a checkout where paying with crypto feels simple for customers.
2026-05-08 · 1 min read
SettlementManual withdrawal flow for merchant balances
Manual withdrawal flow for merchant balances. Operational playbook for balances, withdrawals and settlement rules.
2026-05-08 · 1 min read
SecurityIP whitelist for crypto payment API
IP whitelist for crypto payment API. Security essentials for merchant accounts: keys, access controls and audit trails.
2026-05-08 · 1 min read
CheckoutHosted crypto checkout explained
Hosted crypto checkout explained. How to shape a checkout where paying with crypto feels simple for customers.
2026-05-07 · 1 min read
SettlementAutomatic withdrawals for crypto merchants
Automatic withdrawals for crypto merchants. Operational playbook for balances, withdrawals and settlement rules.
2026-05-07 · 1 min read
SecurityAPI key scopes for payment systems
API key scopes for payment systems. Security essentials for merchant accounts: keys, access controls and audit trails.
2026-05-07 · 1 min read
APIHow to test crypto payments in sandbox
How to test crypto payments in sandbox. Hands-on integration guide: API requests, redirects and webhook statuses.
2026-05-06 · 1 min read
WebhooksWebhook logs for payment operations
Webhook logs for payment operations. Designing reliable payment webhooks: statuses, retries and security.
2026-05-06 · 1 min read
MarketplacesHow marketplaces handle payment statuses
How marketplaces handle payment statuses. Payment flows for marketplaces: sub-merchants, settlement and statuses.
2026-05-06 · 1 min read
InternationalMulti-currency invoices and crypto settlement
Multi-currency invoices and crypto settlement. How crypto payments help you sell to customers across borders and regions.
2026-05-06 · 1 min read
APIHow to design a crypto payment webhook
How to design a crypto payment webhook. Hands-on integration guide: API requests, redirects and webhook statuses.
2026-05-05 · 1 min read
WebhooksFinal status webhooks for crypto invoices
Final status webhooks for crypto invoices. Designing reliable payment webhooks: statuses, retries and security.
2026-05-05 · 1 min read
InternationalCrypto payments for remote services
Crypto payments for remote services. How crypto payments help you sell to customers across borders and regions.
2026-05-05 · 1 min read
APIHow redirectUrl works in crypto checkout
What the redirectUrl returned by the Qvard API is, what the customer sees on that page, how to use the link in a checkout or an email, and what it does not do for you.
2026-05-04 · 4 min read
MarketplacesSub-merchant crypto payment model
Sub-merchant crypto payment model. Payment flows for marketplaces: sub-merchants, settlement and statuses.
2026-05-04 · 1 min read
InternationalStablecoin payments in emerging markets
Stablecoin payments in emerging markets. How crypto payments help you sell to customers across borders and regions.
2026-05-04 · 1 min read
APIHow to create a crypto invoice by API
How to create a crypto invoice by API. Hands-on integration guide: API requests, redirects and webhook statuses.
2026-05-03 · 1 min read
WebhooksWebhook retry strategy for payment systems
How Qvard retries a payment webhook, what counts as a failed delivery, and how to build a handler that survives retries, repeats and downtime without double-fulfilling an order.
2026-05-03 · 5 min read
MarketplacesMarketplace settlement with crypto balances
Marketplace settlement with crypto balances. Payment flows for marketplaces: sub-merchants, settlement and statuses.
2026-05-03 · 1 min read
RegionsAccepting payments from customers without cards
How a business can get paid by customers who cannot or will not use a card: who these customers are, what they need to pay in crypto, how to help them through the first payment and what to plan for.
2026-05-03 · 5 min read
APICrypto payment API for developers
A practical reference to the Qvard payment API: authentication, creating a payment, the redirect URL, payment statuses, webhooks, method availability and payouts, with errors and what is not there yet.
2026-05-02 · 6 min read
WebhooksHow crypto payment webhooks work
How crypto payment webhooks work. Designing reliable payment webhooks: statuses, retries and security.
2026-05-02 · 1 min read
MarketplacesCrypto payments for marketplaces
Crypto payments for marketplaces. Payment flows for marketplaces: sub-merchants, settlement and statuses.
2026-05-02 · 1 min read
InternationalCrypto payments for global businesses
Crypto payments for global businesses. How crypto payments help you sell to customers across borders and regions.
2026-05-02 · 1 min read
NetworksBNB Smart Chain payments for merchants
BNB Smart Chain payments for merchants. Which coins and networks to accept, and what that means for checkout and fees.
2026-05-01 · 1 min read
Payment linksNo-code crypto payments with payment links
No-code crypto payments with payment links. Taking crypto payments through payment links, with no code required.
2026-05-01 · 1 min read
SaaSPayment links for SaaS sales teams
Payment links for SaaS sales teams. Crypto payments for SaaS teams: subscriptions, invoicing and reconciliation.
2026-05-01 · 1 min read
IntegrationsEmbedded checkout widget for crypto payments
Embedded checkout widget for crypto payments. Connecting crypto payments to your platform: plugins, APIs and widgets.
2026-05-01 · 1 min readNothing found. Try another word.