Required OAuth scope: skills:bulk.

This endpoint processes up to 10,000 objects asynchronously. For more information, see the Bulk operations guide.

Adds or replaces multiple skills based on the given externalId.

• If a provided externalId matches an existing skill, the skill is replaced with the new data.
• If no match is found, a new skill is created.

Upon submission, the request is queued. Use the provided URL in the response header to check the status of the bulk operation.