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Registrations not being passed to Mailchimp

Posted: January 19, 2016 at 8:41 pm

Ian Mills

January 19, 2016 at 8:41 pm

Hi there,

I have a website in which I have EE4 with Mailchimp. I have checked the API key, checked that there is enough room for more subscriber in Mailchimp, checked that the registrations have been assigned a list, etc.

For some reason, Mailchimp is not getting any new registrations from the website.

Can you please assist?

Lorenzo Orlando Caum

  • Support Staff

January 20, 2016 at 10:14 am

Hi Ian,

MailChimp has a logging option for API calls. Any errors appearing there?

What happens if you send through a registration using your email?

Also, are you using double-optin where you need to click a link in an email to complete the signup?


Ian Mills

January 20, 2016 at 10:17 pm

Hi Lorenzo,

How am I to access these logging settings & information?

I am using the double opt-in, but am not getting an email from Mailchimp when I register through Event Espresso.


  • Support Staff

January 21, 2016 at 2:52 am

The MailChimp API log is within your MailChimp account, in the same section as the API keys themsevles.

Log into your MailChimp account, alight your name in the top right and select Account.

Then on that page go to ‘Extras -> API Keys’, at the bottom of the page is a log of your API calls.

If you go to Event Espresso -> MailChimp.

What do you have the setting ‘Submit to MailChimp when …’ set to currently?

Ian Mills

January 28, 2016 at 4:51 pm

Hi there,

I am not finding any new API calls within Mailchimp when I register on Event Espresso.

I have tested the connection with both the ‘Submit when registration is completed with an approved status’ and ‘Submit when registration is completed (payment status does not matter)’, neither of which are working.

Lorenzo Orlando Caum

  • Support Staff

January 29, 2016 at 5:14 am

Hi Ian,

Could you try these changes?

1) Deactivate and remove MailChimp for Event Espresso 4 through WP-admin –> Plugins. Then download a new copy and upload and activate through your WordPress plugins page.

2) Create a new MailChimp API key and then copy and paste that into MailChimp and save changes.

Then try another registration through the front end of the site.


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Support forum for Event Espresso 3 and Event Espresso 4.
Documentation for EE3 and EE4
Documentation for Event Espresso 3 Documentation for Event Espresso 4

Status: closed

Updated by  Lorenzo Orlando Caum 5 years ago ago

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