data with request metadata in meta. GET /editions lists available edition metadata without consuming a historical date allowance.
Search an accessible edition
SetEDITION_ID to a returned ID, then search with data:read:
Open a historical date
- Review the exact
edition_date_etand your current allowance in the dashboard or account response. - Save an idempotency key and the exact request body. With
data:readandarchive:unlock, POST/editions/{id}/accesswithconfirm_edition_date_et. - If the API returns
409 confirmation_required, open itsconfirmation_urlwhile signed in to the owning account. Review and approve that specific date. - Retry the identical request with the same
Idempotency-Key. Do not create a fresh key after a timeout.
410 archive_expired even if previously opened. The latest published edition remains available during a source delay and retains its original date. Opening an expired date is not supported, and expiry does not refund an archive allowance slot.