Thank you for reaching out to Constant Contact API Developer Support and for your patience. My team is here to assist outside software developers with questions about building into Constant Contact's API.
Here are the available instructions we have for installing Constant Contact’s Inline Sign-Up Form on various website hosting platforms:
http://knowledgebase.constantcontact.com/articles/KnowledgeBase/18053-activating-and-installing-your-sign-up-form
If your hosting platform is not listed, or you are having trouble installing it where you want, we’d need to refer you back to your website hosting platform’s support for assistance with where to install the Universal and Inline Code.
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