Accept credit card payments in WordPress using Formidable Forms and the accept.blue payment gateway — with PCI-friendly hosted tokenization, sandbox mode, and a seamless checkout experience.
This plugin integrates the accept.blue payment gateway directly into Formidable Forms, letting you securely accept online payments inside any WordPress form. It is ideal for donation forms, checkout forms, invoice payments, membership sign-ups, and subscription billing — all powered by accept.blue's PCI-compliant hosted tokenization infrastructure.
This is the free Lite version. Recurring billing, refunds, webhooks, fraud protection, and the admin transactions panel are available in Pro.
- ✅ Credit Card Payments — Visa, Mastercard, Discover, American Express
- ✅ Hosted Tokenization — card data never touches your server (PCI-friendly)
- ✅ Sandbox & Production Mode — test safely before going live
- ✅ Secure Hosted Payments — embedded accept.blue iFrame on your Formidable form
- ✅ PCI-friendly checkout — tokenized, no raw card data stored or transmitted via your server
- ✅ Debug Logging — dedicated per-month log viewer in wp-admin
- 🔒 ACH / eCheck Payments (Pro)
- 🔒 3D Secure 2 Authentication (Pro)
- 🔒 Subscriptions & Recurring Billing (Pro)
- 🔒 Installment Plans (Pro)
- 🔒 Refunds & Voids (Pro)
- 🔒 Auth-Only / Capture (Pro)
- 🔒 Admin Transactions Panel (Pro)
- 🔒 Webhook Receiver (Pro)
- 🔒 Fraud Shield (Pro)
- WordPress 6.0 and later
- PHP 7.4+ (PHP 8.1+ recommended)
- Formidable Forms (Free or Pro)
- Latest WordPress versions
- All major browsers
| Feature | Lite (Free) | Pro |
|---|---|---|
| Credit Card Payments | ✅ | ✅ |
| Hosted Tokenization (PCI-friendly) | ✅ | ✅ |
| Sandbox / Test Mode | ✅ | ✅ |
| Debug Logging & Log Viewer | ✅ | ✅ |
| Processing Overlay / Spinner | ✅ | ✅ |
| ACH / eCheck Payments | — | ✅ |
| 3D Secure 2 (3DS2) | — | ✅ |
| Auth-Only / Capture | — | ✅ |
| Adjust & Capture | — | ✅ |
| Refunds | — | ✅ |
| Voids | — | ✅ |
| Recurring Subscriptions | — | ✅ |
| Installment Plans | — | ✅ |
| Guest Subscription Cancellation | — | ✅ |
| Admin Transactions Panel | — | ✅ |
| 30-day Revenue Dashboard | — | ✅ |
| CSV Export | — | ✅ |
| Webhook Receiver (real-time sync) | — | ✅ |
| Fraud Shield (IP / email / country) | — | ✅ |
| Per-Form API Credential Override | — | ✅ |
How to integrate accept.blue with Formidable Forms in WordPress
- Download the plugin zip from the Releases page.
- In your WordPress admin go to Plugins → Add New → Upload Plugin.
- Upload the zip file and click Install Now, then Activate Plugin.
- Open Formidable → Global Settings → accept.blue.
- Enter your credentials from the accept.blue merchant portal:
- API Key — found under API Keys in your portal
- PIN — only if your key uses one (leave blank otherwise)
- Hosted Tokenization Key — found under Settings → Hosted Tokenization
- Enable Sandbox / Test Mode to test without real charges.
- Click Test Connection to verify your credentials.
- Open or create a Formidable Form.
- Drag the accept.blue Card field onto the form canvas.
- Open Form Actions and add the accept.blue Payment action.
- Set your amount field and currency.
- Click Update and publish your form.
- Start accepting payments.
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This WordPress plugin allows businesses and developers to securely accept online payments inside Formidable Forms using the accept.blue payment gateway. It is the ideal solution for:
- Donation forms — one-time and recurring donations
- Checkout forms — sell products and services
- Invoice payment forms — let customers pay invoices online
- Membership sign-up forms — charge for access with recurring billing (Pro)
- Subscription billing — weekly, monthly, annual billing (Pro)
- Registration forms with payment — events, courses, appointments
- WordPress merchant gateway integration for any business type
Supports Visa, Mastercard, Discover, and American Express credit and debit cards. ACH/eCheck payment support available in Pro.
Built on accept.blue's hosted tokenization technology — card data is captured inside a secure accept.blue iFrame and never passes through your web server, making PCI compliance significantly simpler. This plugin is designed for secure WordPress payment forms that meet modern payment security standards.
| Requirement | Minimum | Recommended |
|---|---|---|
| WordPress | 6.0 | Latest |
| PHP | 7.4 | 8.1+ |
| Formidable Forms | Free | Pro |
| accept.blue Account | Required | — |
- 🌐 accept.blue Official Website
- 📄 accept.blue API Documentation
- 📄 accept.blue Hosted Tokenization Docs
- 🔌 Formidable Forms
- 👤 RyanPlugins (Pro version)
This plugin transmits payment data to accept.blue, a third-party payment processor.
| Service | Purpose | Links |
|---|---|---|
| accept.blue API | Card tokenisation & charging | Site · Terms · Privacy |
| accept.blue Hosted Tokenization | PCI-friendly iFrame on your form | Docs |
No card data is stored on your server. All sensitive payment data is handled exclusively by accept.blue's PCI-compliant infrastructure.
Does this support ACH payments?
ACH / eCheck transactions are available in the Pro version.
Does this support recurring billing?
Yes — subscriptions and recurring payments (daily, weekly, monthly, annual and more) are supported in Pro.
Is sandbox mode included?
Yes. Enable Test / Sandbox Mode in the plugin settings and use your accept.blue sandbox credentials. No real charges are made.
Does this support 3D Secure 2?
3DS2 / EMV authentication is available in the Pro version via the Paay integration.
Is this PCI compliant?
The plugin uses accept.blue's Hosted Tokenization iFrame — card numbers, CVVs, and expiry dates never pass through your web server or WordPress database, significantly reducing your PCI compliance scope.
Can I run multiple merchant accounts?
Per-form API credential overrides are available in the Pro version, allowing different forms to use different accept.blue accounts.
Can I issue refunds from WordPress?
Full and partial refunds and voids are available from the admin panel in the Pro version.
Does it work with the latest version of WordPress?
Yes — tested up to the latest WordPress release.
What payment methods are supported?
Lite: Visa, Mastercard, Discover, American Express (credit & debit cards).
Pro adds: ACH / eCheck bank transfers.
Does this store card numbers?
No. Card data is tokenised by accept.blue's iFrame before it reaches your server. No card numbers are stored anywhere in WordPress.
- Credit card payments via accept.blue Hosted Tokenization iFrame
- PCI-friendly checkout — card data never touches your server
- Sandbox and production mode toggle
- Test Connection button to validate API credentials
- Debug logging with in-admin log viewer and clear function
- Processing overlay / spinner on form submit
- Pro upgrade notices for locked features (recurring, refunds, webhooks, fraud shield, admin panel)
- ACH / eCheck payment support via accept.blue bank transfer API
- EMV 3DS2 browser-based authentication via Paay integration
- Frictionless flow support for low-risk transactions
- Recurring billing — daily, weekly, monthly, quarterly, annual
- Installment plan support
- Guest subscription cancellation via signed token
- Fraud Shield — IP velocity, email velocity, country block-list
- Per-form API credential override for multi-merchant setups
- Admin Transactions Panel with CSV export
- Webhook receiver with HMAC-SHA256 authentication
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