Install Paystand for BigCommerce – Paystand Help Center

Part 1: Connect BigCommerce with Paystand

Step 1: Log in to BigCommerce

Go to your BigCommerce Admin Dashboard and sign in with your store credentials

Create a store-level API account

Go to Advanced Settings > API and click Store-level API accounts

Click Create API Account
Enter a recognizable name (for example, Paystand Integration)
Assign the following permissions

Area	Permission
Content	Read-only
Checkout Content	None
Customers	Modify
Customers Login	None
Information & Settings	Modify
Marketing	None
Orders	Modify
Order Transactions	Modify
Create Payments	Create
Get Payment Methods	None
Stored Payment Instruments	None
Products	Read-only
Themes	None
Carts	Modify
Checkouts	Modify
Sites & Routes	None
Channel Settings	None
Channel Listings	None
Storefront API Tokens	None
Storefront API Customer Impersonation Tokens	None
Store Logs	Read-only
Store Locations	None
Store Inventory	None
Fulfillment Methods	None
Order Fulfillment	Modify
Metafield Ownership	None
Metafields Access	Standard

Save your changes

BigCommerce automatically downloads a .txt file containing your Access Token, Client ID, Client Secret, and API Path

Tips

Refer to the permission screenshots in the Paystand setup documentation for a visual reference.
Keep the downloaded file in a secure location — you’ll need it to complete the integration in the Paystand Dashboard.

Step 2: Enable an offline payment method

This step creates a visible “ Paystand” payment option in your store

Go to Store Setup > Payments

Under Offline Payment Methods, enable Money Order

Change its display name to Paystand

Note: You can also edit the Payment Information section to display a custom message after the order is completed.

Click Save

Step 3: Configure Paystand in your Dashboard

Log in to your Paystand Dashboard
Go to Integrations
Add the BigCommerce Webhook URL

In the Webhook Event URLs module, ensure webhooks are enabled and add the following URL:

https://bigcommerce.paystand.com/api/webhook/transactions

Go to Configure BigCommerce Settings

Enter the following details:

Publishable Key
Client Secret
Customer ID
Client ID
(Optional) Checkout Preset Key

Add the BigCommerce API credentials from the file downloaded in Step 2

Click Verify Connection
When the Save Configuration button becomes active, click Save Configuration
Finally, go back

Result

Your BigCommerce store is now securely connected to the Paystand payment network

Part 2: Install the Paystand Custom Checkout

Once your accounts are connected, you’ll upload the Paystand checkout files and enable the custom checkout

Step 1. Connect to your store via WebDAV

In your BigCommerce Admin Panel, go to Advanced Settings > File Access (WebDAV)

Click Download WebDAV Connection File — this file preconfigures Cyberduck or another WebDAV client with your store’s access details
Open Cyberduck and import the connection file

Note: The simplest way to import your connection is to drag and drop the files directly into Cyberduck. You can also drag and drop multiple files at once.

When prompted, enter your WebDAV username and password (available in your Admin Panel)

Tips

Use Cyberduck as your WebDAV client for best compatibility.

Step 2. Upload Paystand checkout files

Once connected, navigate to /dav/content/checkout
Upload the Paystand-provided checkout files into this directory
Confirm the files appear alongside your existing checkout scripts (for example, adyen-v2-payment-method.js, apple-pay-button.js)

Example file:auto-loader.js

Important

Do not overwrite or delete existing checkout scripts when uploading Paystand files.
Ensure that auto-loader.js is added as a new file inside the /dav/content/checkout directory.
Always confirm that your store’s original payment scripts (such as card processors or wallets) remain intact to avoid checkout disruption.

Step 3. Enable the custom checkout

In your BigCommerce Admin Panel, go to Advanced Settings > Checkout

Change your Checkout Type to Custom Checkout

Scroll to the Custom Checkout section
In the Script URL field, enter:

webdav:checkout/auto-loader.js


6. Click **Save**

**Step 4. Verify the installation**

1. Open your storefront in a browser

2. Add a product to your cart and proceed to checkout

3. You should now see the Paystand custom checkout experience

4. Complete a test order to confirm functionality

**Step 5. Troubleshooting**

If you don’t see the custom checkout:

- Confirm that the correct loader file (`auto-loader.js`) was uploaded

- Clear your store’s cache or CDN to ensure the latest files load

- If issues persist, contact **Paystand Support** with your store name, screenshots, and any console error logs

## Quick recap

| Step | Action | Platform |
| --- | --- | --- |
| 1 | Create API account | BigCommerce Admin |
| 2 | Configure integration | Paystand Dashboard |
| 3 | Upload custom checkout | WebDAV (Cyberduck) |
| 4 | Enable checkout script | BigCommerce Admin |
| 5 | Test checkout | Storefront |

Prev [Next](https://support.paystand.com/hc/en-us/articles/42166992861723-BigCommerce-Implementation-Overview "BigCommerce Implementation Overview")

#### Table of contents

Install Paystand for BigCommerce

- [Install Paystand for BigCommerce](https://support.paystand.com/hc/en-us/articles/42757567714587-Install-Paystand-for-BigCommerce#install-paystand-for-bigcommerce-0-0)
- [Part 1: Connect BigCommerce with Paystand](https://support.paystand.com/hc/en-us/articles/42757567714587-Install-Paystand-for-BigCommerce#h_01K9ADN4MTM66ATQE4YEQ3R5VA)
- [Part 2: Install the Paystand Custom Checkout](https://support.paystand.com/hc/en-us/articles/42757567714587-Install-Paystand-for-BigCommerce#h_01K9ADRPKC6C8NNYBKPKBNFCX1)
- [Quick recap](https://support.paystand.com/hc/en-us/articles/42757567714587-Install-Paystand-for-BigCommerce#h_01K9ADP4GT690WX3KNPYQ9H0WX)