BANKpay+ Instant Bank Payments for WooCommerce (EUR) for WordPress Plugin Directory

🚀 Transform Your Payment Processing with Instant SEPA Bank Transfers

BANKpay+ for WooCommerce enables your store to accept instant SEPA bank transfers with settlement in just 7 seconds. No card fees, no chargebacks, just instant bank-to-bank payments.

Accept instant SEPA payments via BANKpay+ Real-time bank transfers with 7-second settlement directly into your bank account. A secure and convenient payment method that boosts conversions and customer satisfaction.

🎯 Key Benefits

⚡ 7-Second Settlement – Get your money instantly, not in days

💰 Up to 70% Lower Fees – Save thousands compared to card processors

🛡️ Zero Chargebacks – Bank transfers are final and irreversible

🏦 3000+ Banks Supported – Works with all major European banking institutions

✅ EU Regulation Compliant – Late Payment Directive, PSD2, GDPR

🤖 AI Invoice Processing – Auto-extract payment details and send smart reminders

📱 Mobile-First Experience – Optimized for smartphone banking apps

🔄 One-Click Repeat Payments – Returning customers pay with a single tap

💡 Why Choose BANKpay+ Over Card Payments? 💰 Save Money

Credit card fees: 1.5-3.5% per transaction

BANKpay+ fees: Starting at 0.5% (save up to €2,500/month on €100k revenue)

No monthly fees, no setup costs – free for the first 30 days!

⚡ Get Paid Instantly

Settlement time: 7 seconds (vs. 2-7 days with cards) directly into your bank account.

Same-day access to your money

Improved cash flow management

🛡️ Zero Chargeback Risk

Bank transfers are final and irreversible

No fraudulent chargebacks

No chargeback fees (typically €15-25 each)

😊 Better Customer Experience

No card details required

Works with all European banks (3000+ institutions)

Mobile-first payment flow

One-click payments for returning customers

👥 Who Should Use This? Perfect for:

💼 B2B businesses needing compliance with EU Late Payment Directive

🏪 Online stores serving European customers

📦 High-volume merchants wanting to reduce payment processing costs

📈 Subscription businesses needing reliable recurring payments

🏛️ Professional services (lawyers, accountants, consultants)

💰 Merchants tired of chargebacks and fraud

⚡ Businesses needing instant access to funds for better cash flow

🚀 Features 💸 Payment Processing

⚡ Instant Settlement – Money in your account within 7 seconds

💰 Low Fees – Significantly lower than card processing fees (starting at 0.5%)

🛡️ No Chargebacks – Bank transfers are final and secure

🌍 EU Coverage – Accept payments from customers across Europe

↩️ Refunds – Process refunds directly from WooCommerce

✓ IBAN Validation – Real-time validation with MOD-97 checksum (70+ countries)

🔄 Returning Customers – One-click payment with saved bank selection

🏛️ Compliance & Professional Features

💼 Professional Payment Workflows – Maintain compliance and professionalism

📅 Payment Terms Management – Track due dates and automate follow-ups

📊 Audit Trail – Complete payment history for regulatory compliance

⚙️ Admin Experience

📊 Analytics Dashboard – Comprehensive payment analytics with Chart.js visualizations

📋 Transaction Management – View all BANKpay+ payments in dedicated admin panel

📈 Payment Dashboard – Real-time statistics (today, week, month, all-time)

📉 Performance Metrics – Success rates, volume trends, and processing times

🏦 Bank Analytics – Top performing banks with usage statistics

💾 CSV Export – Download analytics data for external analysis

🔍 Order Details – Payment information displayed on order edit screen

📱 WordPress Dashboard Widget – Quick overview of payment activity

🔎 Search & Filter – Find transactions by status, customer, or order number

🔒 Security & Reliability

🔐 Bank-Grade Security – Webhook signature verification and HMAC authentication

🚦 Rate Limiting – Automatic protection against webhook abuse

🔁 Replay Protection – Timestamp validation prevents duplicate processing

🛡️ CSRF Protection – All admin actions protected with capability checks

🔒 Security Headers – CSP, HSTS, X-Frame-Options, and more

👨‍💻 Developer Friendly

🧪 Test Mode – Sandbox environment for testing

⚡ HPOS Compatible – Full support for High-Performance Order Storage

✅ WordPress Standards – Follows WordPress and WooCommerce coding standards

🔌 Extensible – Hooks and filters for customization

🔗 REST API – Public endpoint for IBAN validation

📋 Requirements

✅ WooCommerce 8.0 or higher

✅ PHP 8.0 or higher

✅ WordPress 6.0 or higher

✅ BANKpay+ merchant account (Sign up here)

⚙️ How It Works

🛒 Customer selects BANKpay+ at checkout

🏦 Customer is redirected to select their bank

📱 Customer authorizes payment in their banking app

⚡ Payment is confirmed and settled instantly

✅ Customer is returned to your store

🚀 Get Started in 5 Minutes

📥 Install – Download from WordPress.org or search in your admin panel

✅ Activate – Click “Activate” in your plugins list

🔗 Connect – Run the setup wizard (WooCommerce → Settings → Payments → BANKpay+)

🧪 Test – Place a test order to verify everything works

🎉 Go Live – Switch from test mode to live mode

💡 Easy Setup: Our guided setup wizard walks you through every step. No technical knowledge required!

Translations BANKpay+ for WooCommerce is fully translated and available in 6 languages:

English (en_US) – Default, 100% complete

German (de_DE) – Deutsch, 100% complete (~98 strings)

Italian (it_IT) – Italiano, 100% complete (~98 strings)

Portuguese (pt_PT) – Português, 100% complete (~98 strings)

Spanish (es_ES) – Español, 100% complete (~98 strings)

Greek (el) – Ελληνικά, 100% complete (~98 strings)

Contributing Translations We welcome translation contributions! You can contribute in two ways:

Via WordPress.org (recommended)

Visit: https://translate.wordpress.org/projects/wp-plugins/bankpay-open-banking-sepa-payments-for-woocommerce/

Translations submitted via GlotPress are automatically included in language packs.

Via GitHub

Fork the repository, translate the PO files in the languages/ directory, and submit a pull request.

See languages/README.md for detailed translation guidelines.

Translation Credits

German: BANKpay+ Team (based on BANKpay+ application translations)

Italian: BANKpay+ Team (professional translation)

Portuguese: BANKpay+ Team (professional translation)

Spanish: BANKpay+ Team (professional translation)

Greek: BANKpay+ Team (professional translation for compliance market)

Thank you to all translators for making BANKpay+ accessible to users across Europe!

For Translators Total strings to translate: 309

– PHP strings: ~271 (admin interface, settings, error messages)

– JavaScript strings: ~38 (customer-facing UI, validation feedback)

Key terminology:

– “Instant Bank Transfer” → “SEPA-Sofortüberweisung” (DE)

– “Settlement” → “Abwicklung” (DE)

– “Bank-grade security” → “Bank-Level Sicherheit” (DE)

For complete translation guidelines, glossary, and context notes, see:

languages/README.md in the plugin directory

For Developers BANKpay+ is built with developers in mind, featuring extensive hooks, filters, and well-documented APIs for customization and integration.

Architecture Design Patterns:

Dependency Injection Container

Repository Pattern for order operations

Observer Pattern for webhook events

Strategy Pattern for payment flows

Key Components:

WC_Gateway_BANKpay_Plus – Main gateway class extending WC_Payment_Gateway

BANKpay_Plus_API – RESTful API client with retry logic

BANKpay_Plus_Webhook – Webhook handler with signature verification

BANKpay_Plus_Analytics – Payment metrics and reporting

BANKpay_Plus_IBAN_Validator – MOD-97 validation with 70+ country support

API Integration Authentication:

Authorization: Bearer {access_token} X-API-Key: {api_key} X-HMAC-Signature: {hmac_sha256}

Create Checkout Session:

POST /api/checkout/create { "amount": 100.00, "currency": "EUR", "reference": "Order #123", "return_url": "https://yourstore.com/checkout/thank-you", "webhook_url": "https://yourstore.com/?wc-api=wc_gateway_bankpay_plus" }

Webhook Payload:

POST /?wc-api=wc_gateway_bankpay_plus { "event": "checkout.completed", "checkout_id": "chk_123", "payment_id": "pay_456", "status": "completed", "timestamp": "2025-01-26T15:30:00Z" }

Hooks & Filters Actions (Execution Points):

bankpay_plus_payment_initiated – Fires when payment initiates

bankpay_plus_payment_complete – Fires when payment completes

bankpay_plus_payment_failed – Fires when payment fails

bankpay_plus_refund_completed – Fires when refund processes

bankpay_plus_webhook_received – Fires on webhook receipt

bankpay_plus_webhook_verified – Fires after signature verification

bankpay_plus_webhook_failed – Fires on webhook error

bankpay_plus_analytics_event – Fires on analytics tracking

Filters (Data Modification):

bankpay_plus_gateway_title – Customize payment method title

bankpay_plus_gateway_description – Customize checkout description

bankpay_plus_payment_button_text – Customize payment button text

bankpay_plus_checkout_data – Modify checkout session data

bankpay_plus_api_endpoint – Change API endpoint URL

bankpay_plus_api_timeout – Adjust API request timeout (default: 30s)

bankpay_plus_iban_valid – Override IBAN validation result

bankpay_plus_bank_list_cache_ttl – Adjust bank list cache (default: 24h)

bankpay_plus_webhook_rate_limit – Adjust webhook rate limit (default: 50/min)

bankpay_plus_verify_webhook_signature – Toggle signature verification

Code Examples Example 1: Custom Payment Completion Logic

add_action('bankpay_plus_payment_complete', 'my_custom_payment_handler', 10, 2);

function my_custom_payment_handler($order_id, $payment_data) { $order = wc_get_order($order_id);

// Send custom confirmation email wp_mail( $order->get_billing_email(), 'Payment Confirmed - Instant Delivery', 'Your payment was processed in 7 seconds!' );

// Trigger fulfillment webhook wp_remote_post('https://warehouse.example.com/fulfill', [ 'body' => json_encode([ 'order_id' => $order_id, 'payment_method' => 'bankpay_instant' ]) ]); }

Example 2: Customize Gateway Title

add_filter('bankpay_plus_gateway_title', 'custom_gateway_title', 10, 2);

function custom_gateway_title($title, $order_id) { return $title . ' (Money in 7 seconds)'; }

Example 3: Validate Custom Business Rules

add_filter('bankpay_plus_checkout_data', 'add_business_rules', 10, 2);

function add_business_rules($data, $order) { // Add custom validation for high-value orders if ($order->get_total() > 1000) { $data['require_phone_verification'] = true; }

// Add custom metadata $data['merchant_reference'] = get_option('custom_order_prefix') . $order->get_id();

return $data; }

Example 4: Track Conversions in Analytics

add_action('woocommerce_thankyou', 'track_bankpay_conversion', 10, 1);

function track_bankpay_conversion($order_id) { $order = wc_get_order($order_id);

if ($order->get_payment_method() === 'bankpay_plus') { do_action('my_analytics_track', [ 'event' => 'instant_payment_completed', 'value' => $order->get_total(), 'settlement_time' => '7_seconds' ]); } }

REST API Endpoints IBAN Validation:

POST /wp-json/bankpay-plus/v1/validate-iban { "iban": "DE89370400440532013000" }

Response: { "valid": true, "country": "DE", "bank_code": "37040044", "checksum_valid": true, "formatted": "DE89 3704 0044 0532 0130 00" }

Rate Limiting: 10 requests per minute per IP address

Caching: Validation results cached for 30 days

Algorithm: MOD-97 checksum validation for 70+ countries

Database Schema Analytics Table: {$wpdb->prefix}bankpay_plus_analytics

CREATE TABLE wp_bankpay_plus_analytics ( event_id BIGINT AUTO_INCREMENT PRIMARY KEY, order_id BIGINT NOT NULL, checkout_uuid VARCHAR(100), event_type VARCHAR(50) NOT NULL, event_timestamp DATETIME NOT NULL, order_total DECIMAL(10,2), currency VARCHAR(3), customer_email VARCHAR(100), bank_connector_id INT, bank_name VARCHAR(255), processing_time_ms INT, is_returning_customer TINYINT(1), user_agent_hash VARCHAR(64), INDEX idx_order_id (order_id), INDEX idx_event_type (event_type), INDEX idx_event_timestamp (event_timestamp) );

Testing PHPUnit Test Suite:

cd wp-plugin/bankpay-plus-woocommerce composer install ./vendor/bin/phpunit --testsuite unit ./vendor/bin/phpunit --testsuite integration

Code Quality:

composer phpcs # Check WordPress coding standards composer phpcbf # Auto-fix coding standards composer phpstan # Static analysis (level 8)

Makefile Commands:

make test-all # Run all tests make lint # Check coding standards make format # Auto-fix code style make phpstan # Static analysis

Security Considerations Webhook Signature Verification:

Automatic HMAC SHA-256 verification ensures webhook authenticity. Invalid signatures are rejected with HTTP 403.

Rate Limiting:

Webhooks: 50 requests/minute per IP

IBAN validation: 10 requests/minute per IP

Automatic blocking with exponential backoff

Data Protection:

All input sanitized with sanitize_text_field(), sanitize_url()

All output escaped with esc_html(), esc_url(), esc_attr()

No sensitive data in logs (automatic redaction)

GDPR compliant (SHA-256 hashing for personal data)

Documentation In Plugin Directory:

README.md – Quick start and overview

DEVELOPER_GUIDE.md – Architecture and contribution guidelines

API_INTEGRATION_GUIDE.md – Step-by-step API integration

TESTING_GUIDE.md – Unit, integration, and E2E testing

WARP.md – AI assistant integration guide

Online Resources:

GitHub: https://github.com/k42/WooCommerce

API Docs: https://docs.bankpay.plus/api

Support: https://wordpress.org/support/plugin/bankpay-open-banking-sepa-payments-for-woocommerce/

Contributing We welcome contributions! Please see CONTRIBUTING.md in the plugin directory for:

Code style guidelines (WordPress + WooCommerce standards)

Testing requirements (PHPUnit coverage)

Pull request process

Security disclosure policy

Found a bug? Report it on the WordPress.org support forum