<![CDATA[Constant Contact Community - List of IP Addresses to whitelist?]]> https://community.constantcontact.com Bettermode RSS Generator Sat, 04 Apr 2026 21:22:56 GMT Sat, 04 Apr 2026 21:22:56 GMT 60 <![CDATA[Hello Trek10, Thank you for reaching out to Constant Contact API Developer ...]]> https://community.constantcontact.com/api-developer-support-krts50sr/post/hello-trek10-thank-you-for-reaching-out-to-constant-contact-api-MHKSuhV56S6Tw49 https://community.constantcontact.com/api-developer-support-krts50sr/post/hello-trek10-thank-you-for-reaching-out-to-constant-contact-api-MHKSuhV56S6Tw49 Tue, 18 Apr 2023 17:02:31 GMT Hello Trek10,

 

Thank you for reaching out to Constant Contact API Developer Support. My team is here to assist outside software developers with questions about building into Constant Contact's API.

 

It looks like we reached out to you via email regarding this issue to request some additional information in order to better assist with troubleshooting. If you still need assistance with this, please let us know! If you haven't received our reply, please let us know via email at webservices@constantcontact.com, and reference case number 31052428.

 

For a full list of Constant Contact’s IP addresses and URLs, I am also including a detailed support article below.

 

Safelist Constant Contact web domains in a security program:

https://knowledgebase.constantcontact.com/articles/KnowledgeBase/5800-safelisting-constant-contact-website-with-your-security-program


Please have a look and let us know if you have any other questions!

 

Regards,

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