Does anyone know if it is possible to bulk import many datasets for many tests at once in xRay test management of the Jira cloud?
for e.g. with:
Unfortunately and currently this isn't yet possible. I would suggest that you reach out Xray team and ask for an improvement request. I noticed that this suggestion is already on the backlog, so you can even vote and watch that improvement. You can see the list of available operations in Xray documentation, on the related REST and GraphQL endpoints documents: