billing.tier_upgraded
The creator upgrades to a higher Subscriby tier.
When this fires
The creator switches their Subscriby subscription to a higher-priced tier. Pro-ration is applied through the payment provider, except when the creator is still inside their platform trial, where the switch is not prorated because nothing has been paid yet.
Caveats
- Tier changes can unlock features (e.g. Teams on Growth+); event consumers should refresh tier caches on receipt.
- Pro-ration charges fire
billing.invoice_createdseparately for the proration line (not on an upgrade taken during the platform trial).
Related events
billing.tier_downgraded: opposite direction.billing.invoice_created: proration invoice.
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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