WPIntell

checkout-com-unified-payments-api

Checkout.com Payment Gateway

Checkout.com helps your business offer more payment methods and currencies to more customers. We provide best-in-class payment processing for credit c …

apple pay checkout credit card payment gateway payments
40.5 Open evidence Open API Open on WordPress.org
300
41.0K
5.0
0
22
3

Proof Health

Open evidence

Commercial opportunities need traceable source links before they are treated as build-worthy.

82 / 106 rows with source links

77.4% of this page's analysis has direct source links.

0 build-decision rows missing links

0 rows here require auditable proof before promotion.

24 rows with no attached evidence

0 rows have source counts but still need direct links.

Download Momentum

180 days
313 583 -46.3% 2.7K

Related Opportunities

5 markets
Commercial opportunity Payment Gateway: Checkout and revenue assurance checkout and revenue assurance · final 72.0 · proof validated Commercial opportunity Checkout: Checkout and revenue assurance checkout and revenue assurance · final 71.5 · proof validated Commercial opportunity Credit Card: Checkout and revenue assurance checkout and revenue assurance · final 80.1 · proof validated Commercial opportunity Payments: Checkout and revenue assurance checkout and revenue assurance · final 83.0 · proof validated Commercial opportunity Apple Pay: Checkout and revenue assurance checkout and revenue assurance · final 69.4 · proof validated

Source Evidence

Open evidence explorer
complaint support · high severity · relevance 1.0
A Few Things

A Few Things: users show bugs, compatibility, missing feature pain that may indicate a product gap.

Buyer: store owners and WooCommerce agencies · Wedge: monitor payment gateway failures, handoffs, and revenue-impacting exceptions
Proof Blocked card complete checkout and revenue assurance Evidence linked to opportunity
A Few Things Hello, Testing the plugin in sandbox and notice a few issues.
complaint support · high severity · relevance 1.0
processing_channel_id_required … Getting This error on Checkout

processing_channel_id_required … Getting This error on Checkout: users show bugs, compatibility, missing feature pain that may indicate a product gap.

Buyer: store owners and WooCommerce agencies · Wedge: monitor payment gateway failures, handoffs, and revenue-impacting exceptions
Proof Blocked card complete checkout and revenue assurance Evidence linked to opportunity
processing_channel_id_required … Getting This error on Checkout Steps to be followed to get the error.
complaint support · high severity · relevance 1.0
CRITICAL Uncaught Error on get_billing_country()

CRITICAL Uncaught Error on get_billing_country(): users show bugs, compatibility, performance pain that may indicate a product gap.

Buyer: store owners and WooCommerce agencies · Wedge: monitor payment gateway failures, handoffs, and revenue-impacting exceptions
Proof Blocked card complete checkout and revenue assurance Evidence linked to opportunity
CRITICAL Uncaught Error on get_billing_country() CRITICAL Uncaught Error: Call to a member function get_billing_country() on null Getting this error with the POS plugin.
complaint support · high severity · relevance 1.0
Recurring payments

Recurring payments: users show compatibility, missing feature, pricing pain that may indicate a product gap.

Buyer: store owners and WooCommerce agencies · Wedge: monitor payment gateway failures, handoffs, and revenue-impacting exceptions
Proof Blocked card complete checkout and revenue assurance Evidence linked to opportunity
Recurring payments Good afternoon I would like to set up recurring payments leveraging checkout.com as payment gateway, how can I do it?
complaint support · high severity · relevance 0.98
Payment Status not changing

Payment Status not changing: users show security, bugs, compatibility pain that may indicate a product gap.

Buyer: store owners and WooCommerce agencies · Wedge: monitor payment gateway failures, handoffs, and revenue-impacting exceptions
Proof Blocked card complete checkout and revenue assurance Evidence linked to opportunity
Payment Status not changing HI, On a fresh install of WP and Woo I created a test purchase using checkout.com sandbox.
complaint support · high severity · relevance 0.97
A lots of PHP Warning Messages

A lots of PHP Warning Messages: users show bugs, compatibility, performance pain that may indicate a product gap.

Buyer: store owners and WooCommerce agencies · Wedge: monitor payment gateway failures, handoffs, and revenue-impacting exceptions
Proof Blocked card complete checkout and revenue assurance Evidence linked to opportunity
A lots of PHP Warning Messages There are lots of PHP warning message at my server like the following: 2024/02/28 15:49:01 [error] 117417#117417: *907719 FastCGI sent in stderr: “PHP message: PHP Warning: Undefined property: stdClass::$id in /***/public/wp-content/plugins/checkout-com-unified-payments-api/includes/class-wc-gateway-checkout-com-cards.php on li
complaint support · high severity · relevance 0.91
Sandbox not working

Sandbox not working: users show bugs, compatibility, support pain that may indicate a product gap.

Buyer: store owners and WooCommerce agencies · Wedge: monitor payment gateway failures, handoffs, and revenue-impacting exceptions
Proof Blocked card complete checkout and revenue assurance Evidence linked to opportunity
Sandbox not working Hi, i have followed the instructions on the website and getting an error on the payment page saying no payment method found.
complaint support · high severity · relevance 0.91
PHP Notices

PHP Notices: users show bugs, compatibility, support pain that may indicate a product gap.

Buyer: store owners and WooCommerce agencies · Wedge: monitor payment gateway failures, handoffs, and revenue-impacting exceptions
Proof Blocked card complete checkout and revenue assurance Evidence linked to opportunity
PHP Notices Hi, On our Dev site I have upgraded PHP from 7.2 to 7.4 and I have been receiving some notices within our wordpress debug log: PHP Notice: Undefined index: metadata in /wp-content/plugins/checkout-com-unified-payments-api/includes/class-wc-gateway-checkout-com-cards.php on line 427 PHP Notice: Undefined index: actions in /wp-content/plugins/check
complaint support · high severity · relevance 0.91
session_start(): Failed to read session data

session_start(): Failed to read session data: users show bugs, compatibility, support pain that may indicate a product gap.

Buyer: store owners and WooCommerce agencies · Wedge: monitor payment gateway failures, handoffs, and revenue-impacting exceptions
Proof Blocked card complete checkout and revenue assurance Evidence linked to opportunity
I want to use google pay but I am facing this problem [13-Dec-2022 18:34:22 UTC] PHP Warning: session_start(): Failed to read session data: files (path: /var/cpanel/php/sessions/ea-php73) in /home/1111/public_html/wp-content/plugins/checkout-com-unified-payments-api/includes/class-wc-gateway-checkout-com-google-pay.php on line 141 [13-Dec-2022 18:34:22 UTC]
complaint support · high severity · relevance 0.91
Payment Error

Payment Error: users show bugs, compatibility, support pain that may indicate a product gap.

Buyer: store owners and WooCommerce agencies · Wedge: monitor payment gateway failures, handoffs, and revenue-impacting exceptions
Proof Blocked card complete checkout and revenue assurance Evidence linked to opportunity
Payment Error Hello team, I have set up the checkout.com sandbox account with woocommerce in WordPress.

Competitor Context

16 shown
Payment Plugins for Stripe WooCommerce weak incumbent · intel 100.0 · weakness 78.8
weak incumbent
14 unresolved support thread(s) 12 collected complaint signal(s) compatibility bugs 2 source links Proof Blocked Evidence linked to opportunity
Buyer: store owners and WooCommerce agencies · Wedge: monitor credit card failures, handoffs, and revenue-impacting exceptions
source 1 source 2
Viva.com | Smart Checkout for WooCommerce rising with strain · intel 100.0 · weakness 66.6
rising with strain
3 unresolved support thread(s) below-average rating bugs compatibility 2 source links Proof Blocked Evidence linked to opportunity
Buyer: store owners and WooCommerce agencies · Wedge: monitor payments failures, handoffs, and revenue-impacting exceptions
source 1 source 2
WooPayments: Integrated WooCommerce Payments weak incumbent · intel 99.0 · weakness 64.9
weak incumbent
1 unresolved support thread(s) below-average rating compatibility bugs 2 source links Proof Blocked Evidence linked to opportunity
Buyer: store owners and WooCommerce agencies · Wedge: monitor credit card failures, handoffs, and revenue-impacting exceptions
source 1 source 2
FunnelKit Payment Gateway for Stripe WooCommerce rising challenger · intel 90.6 · weakness 25.6
rising challenger
1 collected complaint signal(s) bugs compatibility 2 source links Proof Blocked Evidence linked to opportunity
Buyer: store owners and WooCommerce agencies · Wedge: monitor apple pay failures, handoffs, and revenue-impacting exceptions
source 1 source 2
Clover Payments for WooCommerce praise owner · intel 87.6 · weakness 70.1
praise owner
1 unresolved support thread(s) below-average rating support bugs 2 source links Proof Blocked Evidence linked to opportunity
Buyer: store owners and WooCommerce agencies · Wedge: monitor payment gateway failures, handoffs, and revenue-impacting exceptions
source 1 source 2
Sola Payment Gateway for WooCommerce rising challenger · intel 82.9 · weakness 43.6
rising challenger
9 collected complaint signal(s) compatibility support 2 source links Proof Blocked Evidence linked to opportunity
Buyer: store owners and WooCommerce agencies · Wedge: monitor payment gateway failures, handoffs, and revenue-impacting exceptions
source 1 source 2
Payment Gateway for Redsys & WooCommerce Lite weak incumbent · intel 82.8 · weakness 58.8
weak incumbent
5 unresolved support thread(s) 20 collected complaint signal(s) compatibility bugs 2 source links Proof Blocked Evidence linked to opportunity
Buyer: store owners and WooCommerce agencies · Wedge: monitor apple pay failures, handoffs, and revenue-impacting exceptions
source 1 source 2
Payment Gateway of Stripe for WooCommerce praise owner · intel 78.4 · weakness 50.9
praise owner
2 unresolved support thread(s) 7 collected complaint signal(s) bugs support 2 source links Proof Blocked Evidence linked to opportunity
Buyer: store owners and WooCommerce agencies · Wedge: monitor credit card failures, handoffs, and revenue-impacting exceptions
source 1 source 2

Repeated Themes

0 shown

No repeated plugin-level themes have been generated yet.

Collected Signals

20 shown from 28 collected
complaint Sandbox not working support · 2025-08-07T21:42:50+00:00 · high severity · apple pay

Sandbox not working: users show bugs, compatibility, support pain that may indicate a product gap.

Evidence: Sandbox not working Hi, i have followed the instructions on the website and getting an error on the payment page saying no payment method found.
bugs compatibility support payment checkout and revenue assurance Proof Blocked card complete Evidence linked to opportunity
Buyer: store owners and WooCommerce agencies · Wedge: monitor payment gateway failures, handoffs, and revenue-impacting exceptions
source plugin
complaint Sandbox account giving 422 error while processing order support · 2025-07-30T12:59:06+00:00 · high severity · apple pay

Sandbox account giving 422 error while processing order: users show bugs, support pain that may indicate a product gap.

Evidence: Sandbox account giving 422 error while processing order Hi, I am using the checkout.com plugin for my website and currently facing issue with sandbox account and this is giving me error 422 while processing order.
bugs support checkout checkout and revenue assurance Proof Blocked card complete Evidence linked to opportunity
Buyer: store owners and WooCommerce agencies · Wedge: monitor payment gateway failures, handoffs, and revenue-impacting exceptions
source plugin
complaint Plugin throws errors support · 2025-01-11T15:22:56+00:00 · high severity · apple pay

Plugin throws errors: users show bugs, compatibility, missing feature pain that may indicate a product gap.

Evidence: Plugin throws errors on php 8.2+ (latest WP version) we get this error after plugin activation (se WP_DEBUG & WP_DEBUG_DISPLAY to enabled): Warning: Trying to access array offset on value of type bool in /var/www/html/wp-content/plugins/checkout-com-unified-payments-api/lib/class-checkout-sdk.php on line 42 Warning: Trying to access array offset on value of
bugs compatibility missing feature value checkout and revenue assurance Proof Blocked card complete Evidence linked to opportunity
Buyer: store owners and WooCommerce agencies · Wedge: monitor payment gateway failures, handoffs, and revenue-impacting exceptions
source plugin
praise thanks for plugin (5 stars) review · 2025-01-11T15:11:45+00:00 · medium severity · apple pay

thanks for plugin: praise conversation with limited structured signal.

Evidence: thanks for plugin thanks for plugin thanks for plugin
checkout and revenue assurance Proof Blocked card complete Evidence linked to opportunity
Buyer: store owners and WooCommerce agencies · Wedge: monitor payment gateway failures, handoffs, and revenue-impacting exceptions
source plugin
neutral Paypal doesn’t work if you cancel then try again support · 2024-09-04T16:16:54+00:00 · high severity · apple pay

Paypal doesn’t work if you cancel then try again: neutral conversation with limited structured signal.

Evidence: Paypal doesn’t work if you cancel then try again With the latest version of the plugin (4.7.0), if you go to the checkout, click paypal pay button, the paypal window opens, you then close (without completing), you leave page and come back to checkout or refresh the page, the paypal button is no longer there, and the place order button doesn’t work Seems to b
checkout checkout and revenue assurance Proof Blocked card complete Evidence linked to opportunity
Buyer: store owners and WooCommerce agencies · Wedge: monitor payment gateway failures, handoffs, and revenue-impacting exceptions
source plugin
complaint Missing wrapper express checkout support · 2024-04-10T11:11:40+00:00 · high severity · apple pay

Missing wrapper express checkout: users show bugs, missing feature pain that may indicate a product gap.

Evidence: Missing wrapper express checkout Hi, You have a missing wrapper element (id=”wfacp-sec-wrapper”) on the express checkout templates which are causing a bug with the label display and the user can not see their input value for the additional checkout fields We have added the tag our plugin files so please can you let me know when this update has been made so t
bugs missing feature value checkout checkout and revenue assurance Proof Blocked card complete Evidence linked to opportunity
Buyer: store owners and WooCommerce agencies · Wedge: monitor payment gateway failures, handoffs, and revenue-impacting exceptions
source plugin
complaint A lots of PHP Warning Messages support · 2024-02-28T15:55:37+00:00 · high severity · apple pay

A lots of PHP Warning Messages: users show bugs, compatibility, performance pain that may indicate a product gap.

Evidence: A lots of PHP Warning Messages There are lots of PHP warning message at my server like the following: 2024/02/28 15:49:01 [error] 117417#117417: *907719 FastCGI sent in stderr: “PHP message: PHP Warning: Undefined property: stdClass::$id in /***/public/wp-content/plugins/checkout-com-unified-payments-api/includes/class-wc-gateway-checkout-com-cards.php on li
bugs compatibility performance support checkout and revenue assurance Proof Blocked card complete Evidence linked to opportunity
Buyer: store owners and WooCommerce agencies · Wedge: monitor payment gateway failures, handoffs, and revenue-impacting exceptions
source plugin
complaint HPOS Support support · 2023-11-20T21:24:19+00:00 · medium severity · apple pay

HPOS Support: users show compatibility, support pain that may indicate a product gap.

Evidence: HPOS Support This plugin doesn’t appear to be supported/tested on the latest versions of WP/woocommerce using HPOS – Are there any plans to update this in the near future?
compatibility support woocommerce checkout and revenue assurance Proof Blocked card complete Evidence linked to opportunity
Buyer: store owners and WooCommerce agencies · Wedge: monitor payment gateway failures, handoffs, and revenue-impacting exceptions
source plugin
complaint Payment Error support · 2023-08-03T12:01:36+00:00 · high severity · apple pay

Payment Error: users show bugs, compatibility, support pain that may indicate a product gap.

Evidence: Payment Error Hello team, I have set up the checkout.com sandbox account with woocommerce in WordPress.
bugs compatibility support checkout and revenue assurance Proof Blocked card complete Evidence linked to opportunity
Buyer: store owners and WooCommerce agencies · Wedge: monitor payment gateway failures, handoffs, and revenue-impacting exceptions
source plugin
complaint Payment Not Success support · 2023-04-26T08:41:04+00:00 · high severity · apple pay

Payment Not Success: users show bugs, support pain that may indicate a product gap.

Evidence: Payment Not Success hellos, when your try to place order using your this plugin it will Give Error “An error has occurred while processing your payment.
bugs support payment checkout and revenue assurance Proof Blocked card complete Evidence linked to opportunity
Buyer: store owners and WooCommerce agencies · Wedge: monitor payment gateway failures, handoffs, and revenue-impacting exceptions
source plugin
complaint Error codes in front and admin after installation. support · 2023-02-23T13:06:17+00:00 · high severity · apple pay

Error codes in front and admin after installation.: users show bugs, missing feature, setup pain that may indicate a product gap.

Evidence: Error codes in front and admin after installation.
bugs missing feature setup checkout checkout and revenue assurance Proof Blocked card complete Evidence linked to opportunity
Buyer: store owners and WooCommerce agencies · Wedge: monitor payment gateway failures, handoffs, and revenue-impacting exceptions
source plugin
complaint session_start(): Failed to read session data support · 2022-12-13T18:59:04+00:00 · high severity · apple pay

session_start(): Failed to read session data: users show bugs, compatibility, support pain that may indicate a product gap.

Evidence: I want to use google pay but I am facing this problem [13-Dec-2022 18:34:22 UTC] PHP Warning: session_start(): Failed to read session data: files (path: /var/cpanel/php/sessions/ea-php73) in /home/1111/public_html/wp-content/plugins/checkout-com-unified-payments-api/includes/class-wc-gateway-checkout-com-google-pay.php on line 141 [13-Dec-2022 18:34:22 UTC]
bugs compatibility support checkout checkout and revenue assurance Proof Blocked card complete Evidence linked to opportunity
Buyer: store owners and WooCommerce agencies · Wedge: monitor payment gateway failures, handoffs, and revenue-impacting exceptions
source plugin
mixed Undefined index: wc-wc_checkout_com_cards-payment-token support · 2022-09-14T13:21:35+00:00 · high severity · apple pay

Undefined index: wc-wc_checkout_com_cards-payment-token: users show bugs, compatibility, missing feature pain that may indicate a product gap.

Evidence: Undefined index: wc-wc_checkout_com_cards-payment-token Hi I have setted up a sandbox environment.
bugs compatibility missing feature support checkout and revenue assurance Proof Blocked card complete Evidence linked to opportunity
Buyer: store owners and WooCommerce agencies · Wedge: monitor payment gateway failures, handoffs, and revenue-impacting exceptions
source plugin
complaint Support Chinese seller? support · 2022-09-08T14:46:11+00:00 · high severity · apple pay

Support Chinese seller?: users show support pain that may indicate a product gap.

Evidence: Support Chinese seller?
support checkout checkout and revenue assurance Proof Blocked card complete Evidence linked to opportunity
Buyer: store owners and WooCommerce agencies · Wedge: monitor payment gateway failures, handoffs, and revenue-impacting exceptions
source plugin
complaint Fatal error because of GuzzleHttp conflicts support · 2022-09-02T06:02:09+00:00 · high severity · apple pay

Fatal error because of GuzzleHttp conflicts: users show bugs, compatibility pain that may indicate a product gap.

Evidence: Fatal error because of GuzzleHttp conflicts Uncaught Error: Call to undefined function GuzzleHttp\choose_handler() GuzzleHttp is conflicting with MailJet for WordPress plugin https://wordpress.org/plugins/mailjet-for-wordpress/ Please test the plugin when MailJet for WordPress is activated on site.
bugs compatibility checkout and revenue assurance Proof Blocked card complete Evidence linked to opportunity
Buyer: store owners and WooCommerce agencies · Wedge: monitor payment gateway failures, handoffs, and revenue-impacting exceptions
source plugin
complaint processing_channel_id_required … Getting This error on Checkout support · 2022-08-21T18:26:58+00:00 · high severity · apple pay

processing_channel_id_required … Getting This error on Checkout: users show bugs, compatibility, missing feature pain that may indicate a product gap.

Evidence: processing_channel_id_required … Getting This error on Checkout Steps to be followed to get the error.
bugs compatibility missing feature support checkout and revenue assurance Proof Blocked card complete Evidence linked to opportunity
Buyer: store owners and WooCommerce agencies · Wedge: monitor payment gateway failures, handoffs, and revenue-impacting exceptions
source plugin
complaint Payment Status not changing support · 2022-04-11T14:52:44+00:00 · high severity · apple pay

Payment Status not changing: users show security, bugs, compatibility pain that may indicate a product gap.

Evidence: Payment Status not changing HI, On a fresh install of WP and Woo I created a test purchase using checkout.com sandbox.
security bugs compatibility performance checkout and revenue assurance Proof Blocked card complete Evidence linked to opportunity
Buyer: store owners and WooCommerce agencies · Wedge: monitor payment gateway failures, handoffs, and revenue-impacting exceptions
source plugin
neutral deleted support · 2022-03-23T09:38:38+00:00 · medium severity · apple pay

deleted: neutral conversation with limited structured signal.

Evidence: deleted — Deleted This topic was modified 4 years, 2 months ago by xsaber . This topic was modified 4 years, 2 months ago by xsaber . — Deleted This topic was modified 4 years, 2 months ago by xsaber . This topic was modified 4 years, 2 months ago by xsaber .
checkout and revenue assurance Proof Blocked card complete Evidence linked to opportunity
Buyer: store owners and WooCommerce agencies · Wedge: monitor payment gateway failures, handoffs, and revenue-impacting exceptions
source plugin
complaint Payment Not Success support · 2022-03-08T18:04:44+00:00 · high severity · apple pay

Payment Not Success: users show bugs, support pain that may indicate a product gap.

Evidence: Payment Not Success hellos, when your try to place order using your this plugin it will Give Error “An error has occurred while processing your payment.
bugs support payment checkout and revenue assurance Proof Blocked card complete Evidence linked to opportunity
Buyer: store owners and WooCommerce agencies · Wedge: monitor payment gateway failures, handoffs, and revenue-impacting exceptions
source plugin
complaint CRITICAL Uncaught Error on get_billing_country() support · 2021-11-12T18:15:43+00:00 · high severity · apple pay

CRITICAL Uncaught Error on get_billing_country(): users show bugs, compatibility, performance pain that may indicate a product gap.

Evidence: CRITICAL Uncaught Error on get_billing_country() CRITICAL Uncaught Error: Call to a member function get_billing_country() on null Getting this error with the POS plugin.
bugs compatibility performance missing feature checkout and revenue assurance Proof Blocked card complete Evidence linked to opportunity
Buyer: store owners and WooCommerce agencies · Wedge: monitor payment gateway failures, handoffs, and revenue-impacting exceptions
source plugin