Have you enabled the object for sync in Custom Object Sync? You'll need to have this, and any fields which you want access to, enabled. Doing so will prompt them to sync to Marketo...
These features will be added with the Winter 2016 release this evening:REST APIAsset API – ProgramsPrograms are now being exposed through a new set of endpoints which will allow cr...
As of the release this evening, you will be able to pass a list of lead IDs to REST Get Lead Activities to return activities just for those leads. If you're starting only with the ...
Hey Tom, how exactly are you trying to submit the form in this scenario? Are you deleting the existing form element and loading a new form on a subsequent page "load"?
You would typically see this when calling associate lead with a bad cookie value, but it's also possible when call get leads by filter type with 'cookie' as your key.
If there will only be one value per record, this should just be a lead field and not a custom object. Custom objects are needed when there can be more than one of something per lea...
If you just created the field, I would try doing a hard refresh(ctrl+f5) and pulling this up again.That being said, this will probably be an ambiguous key, as this link will lookup...