I can not figure out how to pass my html through to create a campaign.
WHEN I PUT THIS IS THE CUSTOM CODE EDITOR ON THE SITE IT SAYS THERE ARE NO ERRORS. THROUGH THE API IT GIVES ME THIS ERROR
[ { "error_key": "error.content_build_failure", "error_message": "Letter failed to build for contentType=html and cause=Invalid XHTML: An XHTML error has occurred inside the block that ends on line #1" }]
HERE IS MY CALL WHAT AM I DOING WRONG?
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.
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