1. To sync leads with the REST API, you need to use the Create/Update Leads call2. I don't understand your question here.3. As noted in the document, to retrieve additional fields,...
LinkedIn is pretty finicky about these things, and pulls from a certain set of OG tags. You'll need to add a particular set to the landing page to get it to render properly. Look a...
This is an interesting issue. Has there been a large number of deletions recently of the custom objects in your SFDC subscribtion? Custom objects have a batch size of 1000 for each...
You should always obtain the WSDL from the following pattern: Your SOAP API URL from Admin->Web Services + "?WSDL" The other URLs are only available for legacy reasons.
Just want to point out for all reading this thread that this answer is not correct. You cannot interact with SFDC custom objects via the Marketo custom objects APIs.