Ninja Forms is a popular WordPress form builder plugin, and Stripe is a widely-used payment processing platform. Integrating Stripe with Ninja Forms allows you to accept payments directly through your forms. Here's a step-by-step guide to set up Stripe payments with Ninja Forms: Step 1: Install Ninja Forms and the Stripe Add-on Install Ninja Forms: In your WordPress dashboard, go to Plugins > Add New. Search for "Ninja Forms" and cliNinja Forms is a popular WordPress form builder plugin, and Stripe is a widely-used payment processing platform. Integrating Stripe with Ninja Forms allows you to accept payments directly through your forms. Here's a step-by-step guide to set up Stripe payments with Ninja Forms: Step 1: Install Ninja Forms and the Stripe Add-on Install Ninja Forms: In your WordPress dashboard, go to Plugins > Add New. Search for "Ninja Forms" and click Install Now, then Activate. Install the Stripe Add-on: Go to the Ninja Forms > Add-ons page. Find the Stripe add-on and click Install. If you don’t have the Stripe add-on, you may need to purchase it from Ninja Forms' website. After installation, click Activate. Step 2: Set Up Your Stripe Account Create a Stripe Account: Go to Stripe's website and create an account if you don't have one. Get Your API Keys: Log into your Stripe account. Go to Developers > API keys in the Stripe Dashboard. You will see two keys: Publishable Key (starts with pk_) Secret Key (starts with sk_) Copy both keys, as you’ll need them for Ninja Forms. Step 3: Configure Stripe in Ninja Forms Go to Ninja Forms Settings: In the WordPress dashboard, go to Ninja Forms > Settings. Configure the Stripe Settings: Navigate to the Payments tab. Click on Stripe. Paste your Publishable Key and Secret Key into the respective fields. Save your settings. Step 4: Create a Payment Form with Stripe Create a New Form: Go to Ninja Forms > Add New. Select Blank Form or a pre-built template. Add Payment Fields: Add the Stripe Payment field to your form. This is the field that will process payments. You can customize the form by adding other fields like name, email, items, and pricing fields. Configure the Stripe Payment Field: Click on the Stripe Payment field to configure it. Set the Amount field dynamically based on other fields (e.g., user selections) or enter a fixed amount. Set up other options such as currency and payment description. Set Up Confirmation and Emails: After setting up the form, you can configure the Confirmations (success or failure messages) and Emails (payment receipts or notifications). Publish the Form: After you're happy with the form, publish it by copying the shortcode provided and pasting it into a page or post on your WordPress site. Step 5: Test the Payment Process Test in Stripe's Test Mode: To test payments, switch your Stripe account to Test Mode in the Stripe dashboard. Use the test card numbers provided by Stripe to simulate payments. (For example, use 4242 4242 4242 4242 for a successful payment.) Test the Form: Fill out your form and submit it to ensure everything works correctly. Check your Stripe dashboard for test transactions. Step 6: Switch to Live Mode Once you’ve tested the form and everything works as expected, switch Stripe to Live Mode in your Stripe Dashboard and update the API keys in Ninja Forms to your live keys. Common Troubleshooting Tips API Key Issues: Double-check the keys entered in Ninja Forms. If there's an issue with the keys, payments won't go through. SSL/HTTPS: Stripe requires an SSL certificate on your website to process payments securely. Ensure your website is using HTTPS. Payment Errors: If payments fail, check for any restrictions on the user's card or check Stripe’s logs for more information. With these steps, you should have a fully functioning Stripe payment integration within your Ninja Forms on WordPress!ck Install Now, then Activate. Install the Stripe Add-on: Go to the Ninja Forms > Add-ons page. Find the Stripe add-on and click Install. If you don’t have the Stripe add-on, you may need to purchase it from Ninja Forms' website. After installation, click Activate. Step 2: Set Up Your Stripe Account Create a Stripe Account: Go to Stripe's website and create an account if you don't have one. Get Your API Keys: Log into your Stripe account. Go to Developers > API keys in the Stripe Dashboard. You will see two keys: Publishable Key (starts with pk_) Secret Key (starts with sk_) Copy both keys, as you’ll need them for Ninja Forms. Step 3: Configure Stripe in Ninja Forms Go to Ninja Forms Settings: In the WordPress dashboard, go to Ninja Forms > Settings. Configure the Stripe Settings: Navigate to the Payments tab. Click on Stripe. Paste your Publishable Key and Secret Key into the respective fields. Save your settings. Step 4: Create a Payment Form with Stripe Create a New Form: Go to Ninja Forms > Add New. Select Blank Form or a pre-built template. Add Payment Fields: Add the Stripe Payment field to your form. This is the field that will process payments. You can customize the form by adding other fields like name, email, items, and pricing fields. Configure the Stripe Payment Field: Click on the Stripe Payment field to configure it. Set the Amount field dynamically based on other fields (e.g., user selections) or enter a fixed amount. Set up other options such as currency and payment description. Set Up Confirmation and Emails: After setting up the form, you can configure the Confirmations (success or failure messages) and Emails (payment receipts or notifications). Publish the Form: After you're happy with the form, publish it by copying the shortcode provided and pasting it into a page or post on your WordPress site. Step 5: Test the Payment Process Test in Stripe's Test Mode: To test payments, switch your Stripe account to Test Mode in the Stripe dashboard. Use the test card numbers provided by Stripe to simulate payments. (For example, use 4242 4242 4242 4242 for a successful payment.) Test the Form: Fill out your form and submit it to ensure everything works correctly. Check your Stripe dashboard for test transactions. Step 6: Switch to Live Mode Once you’ve tested the form and everything works as expected, switch Stripe to Live Mode in your Stripe Dashboard and update the API keys in Ninja Forms to your live keys. Common Troubleshooting Tips API Key Issues: Double-check the keys entered in Ninja Forms. If there's an issue with the keys, payments won't go through. SSL/HTTPS: Stripe requires an SSL certificate on your website to process payments securely. Ensure your website is using HTTPS. Payment Errors: If payments fail, check for any restrictions on the user's card or check Stripe’s logs for more information. With these steps, you should have a fully functioning Stripe payment integration within your Ninja Forms on WordPress!