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Raise a customer request in Jira Service Management via the servicedesk REST API

Handle Jira Cloud REST API rate limits correctly: 429 responses, Retry-After, and the points-based quota

Link two Jira Cloud issues and create subtasks or epic children with the parent field

Log work against a Jira Cloud issue and control how the remaining estimate is adjusted

Move Jira Software issues into a sprint or back to the backlog and read sprint data via the Agile REST API

Bulk-fetch many Jira Cloud issues and their changelogs efficiently instead of looping single-issue GETs

Register dynamic Jira Cloud webhooks via REST with a JQL filter and keep them alive past the 30-day expiry

Find a Jira Cloud user's accountId and assign, reassign, or unassign an issue (post-GDPR identifier rules)

Discover Jira custom field IDs and required fields, then create an issue with the correct payload (createmeta replacement endpoints)

Upload a file attachment to a Jira Cloud issue via multipart form data and download attachment content

Add a comment to a Jira Cloud issue in Atlassian Document Format (ADF), including an @mention and restricted visibility

Move a Jira Cloud issue through its workflow by discovering the available transition IDs and posting a transition

Search Jira Cloud issues with JQL using the /search/jql endpoint and paginate with nextPageToken (the old /rest/api/3/search is removed)

Authenticate to the Jira Cloud REST API v3 using an API token (Basic auth) or OAuth 2.0 3LO, and resolve the cloudId for app-scoped calls