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Free Plugin by webmonk v1.0.4

Sandbox Payment Gateway for WooCommerce

Fake credit card and ACH/eCheck payment gateways for testing WooCommerce checkout flows.

Sandbox Payment Gateway for WooCommerce

The facts

Rating
5★ from 1
Active installs
300+
Price
Free
Last updated
22 Mar 2026
Added
Aug 2021
Requires WP
4.7
Tested up to
WP 6.8.8
Requires PHP
7.4
Downloads
5,053

Our analysis

AI-assisted

Sandbox Payment Gateway for WooCommerce is a WordPress plugin designed to assist in testing the WooCommerce checkout process without the need for real payment configurations. It provides two fake payment methods: a Sandbox Credit Card option and a Sandbox ACH/eCheck option, allowing you to simulate both successful and failed transactions.

This plugin is particularly useful for developers or site owners who want to test their checkout process thoroughly without processing actual payments. It supports refunds, which are logged as notes in the WooCommerce admin order page, making it easier to manage test transactions.

Best for: This plugin is suited for WooCommerce developers and site owners looking to test their checkout process safely.

What it does well

  • Free to use from the WordPress.org directory
  • Simulates real checkout behaviour without actual payments
  • Supports both credit card and eCheck payment simulations
  • Allows testing of successful and failed transactions
  • Refunds can be processed and logged in the WooCommerce admin

Where it falls short

  • Limited information on additional features or support
  • No real payment processing capabilities

Verdict

Sandbox Payment Gateway for WooCommerce provides a straightforward solution for testing payment processes in a safe environment, though it lacks real payment functionality.

From the developer

webmonk's own description of Sandbox Payment Gateway for WooCommerce, lightly tidied.

Sandbox Payment Gateway eliminates the need to create coupons or configure real payment gateways when testing your WooCommerce checkout. It provides two fake payment methods that simulate real checkout behavior without processing any actual payments.

Sandbox Credit Card

Accepts any valid credit card number with Luhn algorithm validation, expiry date checks, and CVV verification.

Sandbox ACH / eCheck

Accepts check name, routing number (9 digits), and account number (4-17 digits). Successful payments are placed on-hold to simulate real-world eCheck verification.

Simulating a successful credit card transaction

Use any valid credit card details (e.g. card number 4111111111111111).

Simulating a failed credit card transaction

Use card number 4929000000022 with a valid expiry and CVV.

Simulating a successful eCheck transaction

Use any valid 9-digit routing number and 4-17 digit account number.

Simulating a failed eCheck transaction

Use routing number 000000000 with any valid account number.

Refunds

Both gateways support refunds from the WooCommerce admin order page. Since payments are simulated, refunds simply log a note on the order.

Development

Read the full description on the official page →

Tagged as

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