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Plugin Unable To LogIn to Benchmark on Installation

Benchmark Email Lite · support · 2026-05-28T21:47:00+00:00

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Conversation

support
Gramyre unresolved
I have installed the plugin but am unable to get it to login. The error is The credential failed to authenticate. INVALID_USERNAME_PASSWORD. I am putting in my Benchmark account login directly copied from my password tool. Is there an authentication issue? Hello Gramyre, Very sorry to hear this. Have you ever been able to successfully log in using our plugin? And, if so, what has changed? Are you using a different version of WordPress, our plugin, your browser, et cetera? Moreover, have you tried a different browser (e.g., Firefox, Chrome, Safari, etc.)? If nothing has changed, please list your exact steps to reproduce, what versions of WordPress, our plugin, your browser and OS, and anything else that seems helpful. Once I am able to reproduce the issue then Sean can hopefully resolve the issue quickly. Speaking of Sean, he’ll probably have some ideas for you as well. Most importantly, thank you so much for bringing this issue to our attention! P.S., Are you able to log in at https://ui.benchmarkemail.com/login ? P.P.S, Have you tried manually typing in the username/password instead of copy/pasting them? Cheers, Randy Sandberg Hi – thanks for getting back to me I am a new user and signed up about 24 hours ago. Looking at my history I opened an account via https://www.benchmarkemail.com/pricing/#pricing-table I can sign into https://app.benchmarkemail.io and set up and verified my domain etc. I can log in and out of that URL fine. I cannot use that sign in to https://ui.benchmarkemail.com/login – I suspect that’s the issue. The error on that page is There is no account with that login/password Firefox (both open and private pages) WordPress 7 Hi @gramyre and thanks for reporting this to us. Benchmark Email currently has those two systems, the New versus Classic URLs that you’ve identified. One would expect those systems to use the same credentials, but that does not appear to be the case. A Classic account doesn’t authenticate with a New account and visa-versa. I wonder if there might be an option somewhere to connect the two? I’ll reach out to the wider team to see what can be done about that. Clearly we’ll need to evaluate where this New interface fits with the WP plugin. Meanwhile, Randy is checking the WP plugin authentication and will create a free account on Benchmark to test the New interface versus the Classic interface. Our plugin is using Benchmark’s REST API to authenticate. That authentication allows the WP plugin to perform most actions. We also obtain an Auth-Token for the UI/Classic interface, and certain features open up a browser tab there. If you have access to command line cURL or the Postman App, you can test your Benchmark login credentials for the API by sending a POST request to https://clientapi.benchmarkemail.com/Client/Authenticate with header Content-Type: application/json and request body { "Username": "my username", "Password": "mypassword" } We’ll be getting back to you once we have more information. Again, thanks for reporting this to us. Hey Guys, Yep, Sean is correct. New users trying to log in are met with this error: "The credential failed to authenticate. INVALID_USERNAME_PASSWORD" Whereas “Classic” users can successfully log in. Sean, I thought we already dealt with this issue a few years ago and fixed it. Am I thinking of another bug??? Either way, THANKS AGAIN @gramyre for bringing this issue to our attention!!! Cheers, Randy Hi Sean – sorry, not a programmer (JAFU) nor have Postman so cannot check that, but it looks like Randy has. Thank you both for looking into this 🙂 Hey @gramyre , yeah, me neither! @seanconklin is the coder and I am the tester. Makes for a good team. Also makes you the tester who found a HUGE bug. Thanks again. We are working on getting all the details from Benchmark Email so we can address this issue as soon as possible. Keep tuned in. We’ll let you know when we have the bug resolved. Checking back in – just so you know I am still about 🙂 We’re close to a release. While we thought the New Benchmark was the same database, turns out it’s a whole new database, API, affiliate program, etc. We’ve had to rebuild quite a bit while retaining Classic Benchmark support. The signup form integration works in the dev version not yet released. Won’t be quite as feature rich initially. We’re trying to match the existing post-to-campaign feature in this release as well. Expecting to release this week and have incremental releases thereafter.

Comments

8 shown
Randy Sandberg 2026-05-29T03:33:00+00:00

Hello Gramyre, Very sorry to hear this. Have you ever been able to successfully log in using our plugin? And, if so, what has changed? Are you using a different version of WordPress, our plugin, your browser, et cetera? Moreover, have you tried a different browser (e.g., Firefox, Chrome, Safari, etc.)? If nothing has changed, please list your exact steps to reproduce, what versions of WordPress, our plugin, your browser and OS, and anything else that seems helpful. Once I am able to reproduce the issue then Sean can hopefully resolve the issue quickly. Speaking of Sean, he’ll probably have some ideas for you as well. Most importantly, thank you so much for bringing this issue to our attention! P.S., Are you able to log in at https://ui.benchmarkemail.com/login ? P.P.S, Have you tried manually typing in the username/password instead of copy/pasting them? Cheers, Randy Sandberg

Gramyre 2026-05-29T04:56:00+00:00

Hi – thanks for getting back to me I am a new user and signed up about 24 hours ago. Looking at my history I opened an account via https://www.benchmarkemail.com/pricing/#pricing-table I can sign into https://app.benchmarkemail.io and set up and verified my domain etc. I can log in and out of that URL fine. I cannot use that sign in to https://ui.benchmarkemail.com/login – I suspect that’s the issue. The error on that page is There is no account with that login/password Firefox (both open and private pages) WordPress 7

Sean Conklin 2026-05-29T19:11:00+00:00

Hi @gramyre and thanks for reporting this to us. Benchmark Email currently has those two systems, the New versus Classic URLs that you’ve identified. One would expect those systems to use the same credentials, but that does not appear to be the case. A Classic account doesn’t authenticate with a New account and visa-versa. I wonder if there might be an option somewhere to connect the two? I’ll reach out to the wider team to see what can be done about that. Clearly we’ll need to evaluate where this New interface fits with the WP plugin. Meanwhile, Randy is checking the WP plugin authentication and will create a free account on Benchmark to test the New interface versus the Classic interface. Our plugin is using Benchmark’s REST API to authenticate. That authentication allows the WP plugin to perform most actions. We also obtain an Auth-Token for the UI/Classic interface, and certain features open up a browser tab there. If you have access to command line cURL or the Postman App, you can test your Benchmark login credentials for the API by sending a POST request to https://clientapi.benchmarkemail.com/Client/Authenticate with header Content-Type: application/json and request body { "Username": "my username", "Password": "mypassword" } We’ll be getting back to you once we have more information. Again, thanks for reporting this to us.

Randy Sandberg 2026-05-29T20:28:00+00:00

Hey Guys, Yep, Sean is correct. New users trying to log in are met with this error: "The credential failed to authenticate. INVALID_USERNAME_PASSWORD" Whereas “Classic” users can successfully log in. Sean, I thought we already dealt with this issue a few years ago and fixed it. Am I thinking of another bug??? Either way, THANKS AGAIN @gramyre for bringing this issue to our attention!!! Cheers, Randy

Gramyre 2026-05-29T20:53:00+00:00

Hi Sean – sorry, not a programmer (JAFU) nor have Postman so cannot check that, but it looks like Randy has. Thank you both for looking into this 🙂

Randy Sandberg 2026-06-06T21:27:00+00:00

Hey @gramyre , yeah, me neither! @seanconklin is the coder and I am the tester. Makes for a good team. Also makes you the tester who found a HUGE bug. Thanks again. We are working on getting all the details from Benchmark Email so we can address this issue as soon as possible. Keep tuned in. We’ll let you know when we have the bug resolved.

Gramyre 2026-06-13T04:34:00+00:00

Checking back in – just so you know I am still about 🙂

Sean Conklin 2026-06-13T06:04:00+00:00

We’re close to a release. While we thought the New Benchmark was the same database, turns out it’s a whole new database, API, affiliate program, etc. We’ve had to rebuild quite a bit while retaining Classic Benchmark support. The signup form integration works in the dev version not yet released. Won’t be quite as feature rich initially. We’re trying to match the existing post-to-campaign feature in this release as well. Expecting to release this week and have incremental releases thereafter.