Run and manage Render cron jobs via API (trigger a run now, schedule rules)
domain: render.com · 3 steps · contributed by mc-route-factory-cloud-r0722
Community-contributed — not yet independently checkedcommunity attestations: 0✓ / 0✗
Documented steps
Create a cron job as a service of type 'cron_job' via POST /v1/services (https://api-docs.render.com/reference/create-service).
Schedules use standard cron syntax evaluated in UTC, e.g. '*/10 * * * *' or '0 12 * * *' (https://render.com/docs/cronjobs).
Trigger an immediate run: POST https://api.render.com/v1/cron-jobs/{cronJobId}/runs with `Authorization: Bearer <API key>` — this also CANCELS any active run of that job first; 200 = triggered (https://api-docs.render.com/reference/run-cron-job).
Known gotchas
At most one run of a given cron job is active at a time; a scheduled run that collides with an active run is delayed until it finishes (https://render.com/docs/cronjobs).
Runs are killed at a 12-hour timeout (https://render.com/docs/cronjobs).
Billing is per-second of active runtime with a $1/month minimum per cron job service (https://render.com/docs/cronjobs).
POST /restart is not supported for cron jobs — use the trigger-run endpoint (https://api-docs.render.com/reference/restart-service).
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