Ah, Qualtrics support figured it out. The results from the second API call were being paginated. In other words, the results were being split up into multiple groups and I had to make an additional API call to get the rest. Not sure why the second one paginated when the first one didn’t but oh well.Further reading in the docs: Token Based Pagination
Thank you for the reply.We know the contacts are successfully receiving the email invitations because some of the missing contacts are completing the survey. That isn’t reflected in the API results, but we are seeing the completion status when we manually download the distribution history from the website.We have contacted Qualtrics support and they are investigating the issue. But in the meantime, if anyone else has encountered this problem before I would like to hear from you.
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