# One mail to every owner of every account > tidekeeper's API reference: https://tidekeeper.eu/docs/api/post-admin-tell-owners `POST /api/v1/admin/tell-owners` One mail to every owner of every account. Operators only. ## What to send `AdminTell`: One mail to every owner of every account (doc/audit-fixes.md 3.3): how the 30 days' notice of a change is given. Asked only to count, it sends none. - `count_only` (boolean): Say how many it would go to, and send nothing. - `subject` (string, needed) - `text` (string, needed) ## The answer 200, `AdminTold`: How many it went to, and how many it would go to. - `sent` (integer, needed) - `would` (integer, needed) ## Asking ```sh curl -X POST https://tidekeeper.eu/api/v1/admin/tell-owners \ -H "Authorization: Bearer $TIDEKEEPER_TOKEN" \ -H "Content-Type: application/json" \ -d '{"subject": "…", "text": "…"}' ```