Description

Solidgate Card Payments and Other for WooCommerce integrates the Solidgate payment platform into your WooCommerce store with support for card payments and a range of alternative payment methods (APMs).

Card Payments

Solidgate Card (sg_card) — An inline card form powered by the Solidgate Payment Form SDK. Card details are entered directly on your checkout page inside a secure Solidgate-hosted iframe. Supports 3-D Secure, refunds, and async webhook confirmation.

Alternative Payment Methods

MB WAY (sg_mbway) — Push-notification payments for Portugal. The customer enters their MB WAY phone number and approves the payment on their MB WAY app. Available for EUR orders to Portuguese billing addresses.
Bizum (sg_bizum) — Mobile payments for Spain. The customer is redirected to Bizum’s hosted page and returns to your site after approval. Available for EUR orders to Spanish billing addresses.
BLIK (sg_blik) — One-click payments for Poland. The customer enters a 6-digit BLIK code from their banking app. Available for PLN orders to Polish billing addresses.
iDEAL (sg_ideal) — Bank transfer payments for the Netherlands. Available for EUR orders to Dutch billing addresses.
Pay by Bank (sg_openbanking) — Open Banking payments available across supported regions.

All payment methods share a single admin plugin, one REST namespace (solidgate/v1), and a unified webhook setup.

Webhook URL

All payment methods share a single webhook endpoint. Configure this URL in Solidgate Hub (Settings Webhooks):

https://yoursite.com/wp-json/solidgate/v1/webhook

The plugin automatically identifies which gateway a webhook belongs to by trying each configured key pair in turn.

Requirements

WooCommerce 6.0 or higher
A Solidgate merchant account
API keys from Solidgate Hub (separate keys for Card vs APM gateways)
PHP 7.4+

External Services

This plugin communicates with the Solidgate payment gateway to process payments, refunds, and order status updates.

Service endpoint: https://gate.solidgate.com

Data sent:

Payment details (amount, currency, order ID) when a customer initiates a payment.
Refund requests initiated by the merchant from the WooCommerce order screen.
Webhook signature validation on incoming payment status events.

When data is sent: Only when a customer places an order using a Solidgate payment method, or when the merchant requests a refund.

Solidgate Terms of Service: https://solidgate.com/terms-of-service/
Solidgate Privacy Policy: https://solidgate.com/privacy-policy/

No payment data is stored on your server. All sensitive card data is handled by Solidgate’s PCI-DSS compliant infrastructure.

Installation

Upload the solidgate-payments-for-woocommerce folder to /wp-content/plugins/.
Activate the plugin via Plugins Installed Plugins.
Go to WooCommerce Settings Payments.
Enable and configure each payment method you want to use.
Enter your Solidgate API keys and webhook keys for each method.
Add the webhook URL above to your Solidgate Hub account.

FAQ

Where do I get my API keys?: Log in to Solidgate Hub, go to Settings API Keys. You will need a separate key pair for Card payments and for APM (Alternative Payment Methods) payments.
How do I test the integration?: Use Solidgate’s sandbox environment. Contact Solidgate support to enable sandbox mode for your account, then use the sandbox API keys in the plugin settings.

Avis

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Contributeurs/contributrices & développeurs/développeuses

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Journal des modifications

1.0.5

Security: webhook routing now extracts the order_id prefix from the raw request body via regex rather than from parsed JSON, eliminating the possibility of routing decisions being influenced by attacker-controlled input before signature verification.
Security: APM webhook handlers (MB WAY, BLIK, Bizum, iDEAL, Open Banking) now deduplicate by Solidgate event-ID using a transient, the same guard already in place for the Card webhook handler. Duplicate webhook retries from Solidgate are acknowledged and discarded without re-processing.
Security: card payment init token is now bound to the WC session customer ID. A token created in one browser session cannot be replayed by a different session.

1.0.4

Fix: Hub-initiated refunds (via Solidgate dashboard) now correctly create a WC refund record — previously the order status flipped to « refunded » but no refund amount was recorded in WooCommerce accounting or order history.
Fix: Added duplicate refund submission guard for BLIK, Bizum, iDEAL, and Open Banking — submitting a second refund while one is already awaiting webhook confirmation now returns an error instead of sending a second API call.
Fix: Duplicate webhook protection for Hub-initiated refunds via _sg_processed_refund_ids order meta — a second webhook for the same refund transaction no longer creates a duplicate WC refund record.

1.0.3

Security: card payment init and update endpoints now always read amount/currency from the server-side WC cart — client-provided values are ignored to prevent price manipulation.

1.0.2

Renamed plugin display name to « Solidgate Card Payments and Other for WooCommerce ».

1.0.1

Security: poll-status REST endpoints now require order_key for order enumeration protection.
Compliance: added == External Services == section documenting Solidgate API usage.
Compliance: text domain and class prefix updated for WordPress.org submission requirements.

1.0.0

Initial release — unified plugin combining Card, MB WAY, Bizum, BLIK, iDEAL, and Pay by Bank gateways.
REST namespace: solidgate/v1.
HPOS (High-Performance Order Storage) compatible.