plan.activated
Inactive plan flipped active.
When this fires
An inactive plan is flipped to active through the REST API (POST /v1/projects/{project}/plans/{plan}/publish) or the publish_plan MCP tool, and becomes purchasable on the project landing page. Toggling a plan on from the creator dashboard does not emit this event.
Caveats
- Publishing a plan that is already active is a no-op: nothing is written and no event is emitted.
- Activation does not retroactively touch existing subscriptions on the plan; only checkout availability changes.
- Frequent flipping is permitted but produces noisy timelines; use
plan.updatedfor non-state edits.
Related events
plan.deactivated: paired transition.plan.created: predecessor.
Ability to subscribe
A token needs this to subscribe an endpoint to the event.
Header Parameters
t=<unix seconds>,v1=<hex>: the HMAC-SHA256 of "<t>.<raw body>" under the endpoint's secret. Verify it before acting, and refuse a t more than 300 seconds from now. During a secret rotation a v0= signature under the previous secret may precede v1=.
The event's ULID, bare. The envelope's id is the same ULID prefixed evt_, so strip the prefix before comparing. Deduplicate on it: a retry carries the same id.
The event name, the same as the envelope's type.
Always application/json.
Always Subscriby-Webhooks/1.0.
Payload
JSONWhat Subscriby posts to your endpointapplication/json
The signed JSON envelope posted to your endpoint.
The envelope every event is delivered in.
Responses
2XXAny success status
Your endpoint acknowledged the delivery. Any 2xx status within 30 seconds marks it delivered; the response body is ignored.
defaultAny other status
Any other status, a connection failure, or no answer within 30 seconds counts as a failed attempt. The delivery is retried 8 times, after 10 seconds, 30 seconds, 2 minutes, 10 minutes, 1 hour, 6 hours, 1 day, 3 days; the last failure dead-letters it, and it can be retried from the dashboard or POST /v1/webhook-deliveries/{delivery}/retry. After 20 consecutive failures the endpoint is paused until it is resumed.
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