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Question

SMS not populating in MailChimp

  • Jun 11, 2025 3:33 AM UTC
  • 9 replies
  • 268 views

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I have created a Zap that pulls data/text from a Google Email and formats (if needed) to update a MailChimp contact. However, for some reason the SMS field won’t populate. I have reformatted the number so that it is a “E.164 format.” Everything outside of SMS populates correctly or as intended. What am I doing wrong?

 

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9 replies

Troy Tessalone
Zapier Orchestrator & Solution Partner
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  • Zapier Orchestrator & Solution Partner
  • Jun 11, 2025 3:57 AM UTC

Hi ​@ashland 

Click the underlined field label “SMS Phone Number” to see a tooltip with more info that may provide guidance.

 


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  • Author
  • Beginner
  • Jun 11, 2025 12:13 PM UTC

Hello. Yes, I understand. It states “This is merge field "SMSPHONE" in your MailChimp audience's setup.” However, that field is not populating and I am trying to figure out “why” because the number has been changed to be the E.164 format. Any insight?


Troy Tessalone
Zapier Orchestrator & Solution Partner
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  • Zapier Orchestrator & Solution Partner
  • Jun 11, 2025 1:43 PM UTC

​@ashland 

How is the SMS Phone Number field configured in Mailchimp? (What field type?) [screenshots]

Check double opt-in settings: https://mailchimp.com/help/about-double-opt-in/

Help links form Mailchimp about using SMS Marketing: https://mailchimp.com/help/create-send-marketing-sms/

 

 

 


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  • Author
  • Beginner
  • Jun 12, 2025 2:30 PM UTC

Yes, I have seen those articles. I have reached out to MailChimp on this and they have explained Zapier doesn’t have this functionality: 

 

Is this in Zapier’s roadmap?


Troy Tessalone
Zapier Orchestrator & Solution Partner
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  • Zapier Orchestrator & Solution Partner
  • Jun 12, 2025 2:50 PM UTC

​@ashland 

You can try opening a ticket with Zapier Support to submit a feature request to be logged: https://zapier.com/app/get-help

 

You may have to try using the Mailchimp API via one of these options: 

  • Mailchimp - API Request
  • Mailchimp - Custom Action

Mailchimp API: https://mailchimp.com/developer/marketing/api/ecommerce-customers/add-or-update-customer/

 

NOTE: Most Zap app integrations are created and managed by the app developer using the Zapier Developer Platform.

 

 


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  • Author
  • Beginner
  • Jun 12, 2025 3:12 PM UTC

But MailChimp has stated it in its message above that SMS Numbers won’t come through an API connection with Zapier so not sure what the APIs above would do?

 

I think the APIs listed above would work with approved providers, but as MailChimp has stated that isn’t Zapier.

 

Or am I missing something?


Troy Tessalone
Zapier Orchestrator & Solution Partner
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  • Zapier Orchestrator & Solution Partner
  • Jun 12, 2025 3:15 PM UTC

​@ashland 

Then it looks like you will have to do it manually.


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  • Author
  • Beginner
  • Jun 12, 2025 4:09 PM UTC

Ok - thanks for confirming.


JammerS
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  • Zapier Staff
  • Jun 13, 2025 1:33 AM UTC

Hi ​@ashland,

 

Just keep us posted on this so we can assist you further if needed. Thank you.