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QuantaPay Payment

QuantaPay Payment

By quantapay
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Description

QuantaPay is a non-custodial crypto payment gateway for WordPress. Go live in five minutes, charge a flat 0.8% per successful transaction, and send every confirmation straight to your wallet with verifiable on-chain proofs. Learn more about the official WordPress plugin at https://quantapay.app/wordpress-plugin/.

Highlights

  • Launch in 5 minutes – email sign-up API key paste credentials in the WooCommerce settings page and you’re ready to accept crypto.
  • Funds go directly to your wallet – QuantaPay never holds balances; each payment settles to the merchant address with full blockchain visibility.
  • Flat 0.8% pricing – no monthly fees or withdrawal charges, making gross margin planning straightforward.
  • Native WooCommerce experience – edit the title, description, API key, and webhook directly inside WooCommerce Settings Payments; Quick Config surfaces wallet addresses, thank-you redirect, and messaging in WordPress.
  • 30+ cryptocurrencies + custom tokens – BTC, ETH, USDT (ERC/TRC/BEP), USDC, BNB, SOL, DOGE, LTC, and your own ERC-20/BEP-20 tokens for regional campaigns.

Feature overview

  1. One-click configuration – WooCommerce’s native Payments screen stores your API key/webhook, while the QuantaPay tab exposes wallets, default currency, thank-you redirect, and messaging in one place.
  2. Consistent checkout UI – classic and Blocks checkout share the same title, description, and currency row (BTC · ETH · USDT · USDC · BNB) with built-in crypto icons so shoppers immediately recognize the method.
  3. Instant, non-custodial settlement – payments land directly in your wallet with a default 60-minute price-lock window and countdown reminders; status updates flow between the plugin and QuantaPay Cloud automatically.
  4. Cloud dashboard sync – view balances, the latest 100 transactions, and debug logs from WordPress without switching tabs; underpayments or expired invoices surface reminders for the next step.
  5. Security & compliance – webhooks validate request signatures with your shared secret, sensitive options are encrypted at rest, and optional debug logs automatically redact secrets.
  6. Cloud toolset – enable payment links, hosted checkout, invoices/VAT, support payment pages, and fiat rails (Stripe, PayPal, Verifone) from the same Cloud settings screen.
  7. Branding & advanced settings – customize logos, colors, layouts, copy, custom fields, blockchain explorers, RPC nodes, Lightning Network, MetaMask support, and white-label domains when needed.
  8. Localization + custom assets – the plugin ships eight languages and QuantaPay Cloud lets you add custom tokens with icons and exchange rates for different regions.

Requirements

  1. A QuantaPay Cloud merchant account: https://quantapay.app/wordpress-plugin
  2. Your Cloud API key and webhook secret (Account API key & Webhook key)
  3. WordPress 5.8+ with PHP 7.4+ (PHP 8.x recommended) on a host that allows outbound HTTPS requests

Documentation and Support

Screenshots

  • QuantaPay connector settings page with Cloud credentials, logging toggle, and quick status cards.
  • Quick configuration tab for wallet addresses, webhook redirect, and checkout copy.
  • Transactions list pulled from QuantaPay Cloud with expand/collapse details.

Installation

  1. Upload the quantapay-payment folder to /wp-content/plugins/.
  2. Activate “QuantaPay Payment” inside Plugins > Installed Plugins.
  3. Navigate to Settings > QuantaPay.
  4. Paste your Cloud API key and Webhook secret key from QuantaPay Cloud.
  5. Copy the generated Webhook URL into Cloud > Settings > Webhook URL.
  6. (Optional) Customize the checkout label and description.
  7. Enable the gateway inside WooCommerce (WooCommerce > Settings > Payments > QuantaPay) or in EDD (Downloads > Settings > Payment Gateways). The same page also lets you edit the checkout label/description without visiting the standalone QuantaPay settings page.

FAQ

Do I need a QuantaPay account?

Yes. Sign up via https://quantapay.app/wordpress-plugin (or the Cloud portal) to generate the API key and webhook secret that the plugin requires.

Which cryptocurrencies are supported?

QuantaPay tracks 30+ assets including BTC, ETH, USDT (ERC/TRC/BEP), USDC, BNB, SOL, DOGE, LTC, XRP, DOT, BAT, ALGO, and more. You can also add your own ERC-20/BEP-20 tokens from the Cloud settings screen.

How do I configure the gateway in WordPress?

After installing the plugin, go to WooCommerce Settings Payments QuantaPay, paste your Cloud API key + webhook secret, and click “Enable.” Quick Config in Settings QuantaPay lets you adjust wallets, default currency, thank-you redirect, and checkout copy without editing code.

Do I have to wait for withdrawals?

No. QuantaPay is fully non-custodial—each confirmed payment settles directly to your wallet with a blockchain hash you can verify in both Cloud and WordPress logs.

Can I customize the checkout wording and branding?

Yes. Quick Config lets you edit the title, description, default currency, and thank-you redirect directly inside WordPress, and the Cloud portal allows deeper customization (logos, colors, layout, additional fields, custom explorers/RPC nodes).

How do I ensure webhooks work when my site is behind Cloudflare or another WAF?

QuantaPay webhooks POST to https://yoursite.com/wp-json/quantapay/webhook. If your site is behind Cloudflare, please allow this endpoint so callbacks are not blocked:

  1. In Cloudflare, create a Firewall/WAF rule that matches Hostname equals yoursite.com and URI contains /wp-json/quantapay. Set the action to Allow (or Bypass Security).
  2. Optionally match on the QuantaPay webhook headers, e.g. http.user_agent contains "QuantaPay-Webhook" or the signature header, for stricter filtering.
  3. Make sure the Security Level isn’t set to “I’m Under Attack” for that URL.

Most merchants only need this single rule; once Cloudflare lets the request through, the plugin will verify the shared secret and signature before updating the order.

How much does QuantaPay cost?

The gateway charges a flat 0.8% per successful crypto payment. There are no monthly fees or withdrawal charges, so you can predict margins accurately.

How is security handled?

Webhooks use shared-secret signatures, sensitive options are encrypted at rest, optional debug logs automatically redact secrets, and you can point QuantaPay at your own blockchain explorers or RPC nodes for maximum control.

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Contributors & Developers

“QuantaPay Payment” is open source software. The following people have contributed to this plugin.

Contributors

“QuantaPay Payment” has been translated into 1 locale. Thank you to the translators for their contributions.

Translate “QuantaPay Payment” into your language.

Interested in development?

Browse the code, check out the SVN repository, or subscribe to the development log by RSS.

Changelog

1.0.0

  • Initial release with WooCommerce and EDD gateways.
  • Secure webhook + REST entry points and encrypted external_reference.
  • Quick configuration tab, Cloud dashboard sync, and optional debug logging.
  • Localization pack covering 8 languages.

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