I am using V3 API. When I create an email campaign, as part of the request body's html_content, I have included a base64 image e.g. (this is just a sample html) <html><body>[[trackingImage]] <p><img src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUg ....... gg=="></p> </body></html>. In this case the image is not included in the email. When I edit the campaign in the constant contact portal, I see that the "img src" is stripped out e.g. img src="#". When I escape the base64 string, then the actual string is printed in the email instead of a image. Please help me on how to include an image while creating email campaign using the v3 API.
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