Ninja forms Authorize.net is a payment gateway integration that allows website owners to process credit card transactions directly within their WordPress forms without redirecting users to an external checkout page. The add-on handles over 1 billion transactions annually for merchants worldwide through its secure backend. It provides a bridge between the popular Ninja Forms builder and one of the world’s most trusted payment processors.
WPExclusive members get access to the Authorize.net extension as part of a full plugin and theme library — plans from $9.99/month. See the full Ninja Forms collection →
What Is Ninja forms Authorize.net?
Ninja forms Authorize.net is developed by Ninja Forms and is a payments plugin for WordPress. It belongs to the payments category on WPExclusive, alongside other tools for ecommerce and donation management.
The extension allows businesses to collect money directly on-site, improving conversion rates by removing the friction of external redirects. It is designed for merchants who require advanced billing capabilities like subscriptions and trial periods within a standard form interface.
Ninja forms Authorize.net Features
The feature set is built around providing a professional checkout experience that remains fully integrated with the WordPress site architecture.
Direct Credit Card Processing
The plugin enables seamless credit card entry via a payment popup that appears immediately after form submission. Because there is no redirect to a separate checkout page, the customer never leaves your domain. Once the transaction clears, the form’s remaining actions, such as sending confirmation emails or redirects to a thank-you page, trigger automatically. This is essential for conversion optimization and brand consistency.
Recurring and Subscription Billing
The extension supports automated recurring payments with highly specific configurations. You can set the exact billing interval in days or months, define the total number of payment cycles, and implement optional trial periods. Trial periods allow you to charge a different introductory rate for a set duration before the standard subscription rate begins. This makes the plugin ideal for SaaS products, service retainers, and membership sites.
Dynamic Payment Amounts
Users are not limited to static pricing models. The plugin supports four different methods for determining the charge amount: fixed static values, totals pulled from calculation fields, values derived from selection fields (like radio buttons or checkboxes), or user-entered amounts. The latter is specifically useful for donation forms where visitors decide exactly how much to contribute. It also transmits customer billing and shipping data to Authorize.net to ensure transaction records are complete.
Development and Testing Tools
To ensure a smooth launch, the plugin includes a dedicated sandbox mode. Developers can connect their Authorize.net developer account and run test transactions using mock credit card numbers without processing actual funds. After testing, flipping to production mode takes seconds by updating the API credentials. Additionally, transaction merge tags allow you to pull data like the transaction ID or card type into your follow-up notifications.
Pricing
Check current pricing on the Authorize.net sales page — WPExclusive members access it as part of their plan.
| Plan | Price | Sites | Includes |
|---|---|---|---|
| Single Site | $99/year | 1 Site | Authorise.net Add-on |
| Pro Membership | $199/year | 20 Sites | Add-on + Pro Features |
| WPExclusive Membership | From $9.99/month | Unlimited | Authorize.net + full library |
For developers managing multiple sites, a WPExclusive membership covers the extension plus hundreds of other plugins and themes — usually less than one premium license.
Latest Version
The plugin receives regular updates to maintain compatibility with both WordPress core and the Authorize.net API infrastructure. WPExclusive updates plugin files promptly after each release to ensure security and performance.
How to Install
- Download the Authorize.net .zip from your WPExclusive member account
- In WordPress: Plugins → Add New → Upload Plugin
- Select the .zip and click Install Now → Activate
- Navigate to Ninja Forms > Settings > Authorize.net
- Enter your API Login ID and Transaction Key from your merchant account
Use Cases
Recurring Membership and Subscriptions
Configure recurring billing for groups or SaaS products using the membership use case settings. You can offer a low-cost trial period that automatically rolls into a full monthly subscription without additional user intervention.
Non-Profit Donation Forms
Create donation forms where supporters can choose a preset amount (Tiered Giving) or type in their own custom value. This functionality handles both one-time gifts and recurring monthly donations through a single interface.
Selling Digital Services without eCommerce
Accept payments for consulting, design services, or digital downloads without the overhead of a full store. Since you can gate content or emails behind a successful payment, it works as a lightweight checkout solution.
Agencies and Developers Managing Multiple Client Sites
Deploy professional payment forms for multiple clients without purchasing individual $99 licenses for every site. A WPExclusive membership allows for rapid deployment across your entire portfolio.
vs Alternatives
| Feature | Authorize.net | Gravity Forms Add-On | Fluent Forms |
|---|---|---|---|
| No-Redirect Popup | ✅ Yes | ✅ Yes | ✅ Yes |
| Recurring Billing | ✅ Yes | ✅ Yes | ✅ Yes |
| Trial Periods | ✅ Yes | ✅ Yes | ✅ Yes |
| Starting Price | $99/yr | $159/yr | $59/yr |
| Available on WPExclusive | ✅ Yes | ✅ Yes | ❌ No |
Browse the full payments plugins on WPExclusive →
Pros and Cons
✅ Strengths
- Eliminates off-site redirects, keeping users focused on your brand and content.
- Native support for complex recurring cycles and introductory trial periods.
- Flexible amount sourcing from fields, calculations, or direct user input.
⚠️ Limitations
- Requires an active SSL certificate to securely process credit card information on-site.
- Developer auto-updates require an active license key. WPExclusive publishes updates manually when new versions are released.
Is Ninja forms Authorize.net GPL Licensed?
Yes. Ninja forms Authorize.net is distributed under the GNU General Public License (GPL) — the same license that governs WordPress itself. GPL gives any user the legal right to use, study, share, and redistribute the software. This is the legal framework that makes WPExclusive’s membership model possible.
WPExclusive distributes 100% original, unmodified files — the same release the developer publishes. No injected code, no alterations, no security risks.
Get Ninja forms Authorize.net on WPExclusive
WPExclusive membership starts at $9.99/month, $87/year, or $149 lifetime — giving you Ninja forms Authorize.net plus every plugin and theme in the library, on unlimited sites.
Explore the full Ninja Forms collection → or browse all WordPress plugins →
Frequently Asked Questions
What does Ninja forms Authorize.net do?
Ninja forms Authorize.net is a payment gateway extension used to collect credit card payments directly within a form. The extension eliminates user redirects and supports complex billing scenarios like subscriptions.
Is Ninja forms Authorize.net free?
No, the Authorize.net extension is a premium add-on. However, WPExclusive members can access it as part of their subscription starting from $9.99/month.
What is the latest version of Ninja forms Authorize.net?
The plugin is actively maintained — WPExclusive members always receive the most current release as soon as the developer publishes it.
How much does Ninja forms Authorize.net cost?
Retail pricing starts at $99 per year for a single site license. Via WPExclusive, it is included in plans from $9.99/month.
Is it legal to use Ninja forms Authorize.net via WPExclusive?
The plugin is GPL licensed, which explicitly permits redistribution. WPExclusive provides original, unmodified files — fully within GPL terms.
Can the plugin handle trial periods?
Yes, the Authorize.net extension allows you to set up trial periods at a custom rate before the regular subscription amount is billed to the customer.
