Errors

Errors have a JSON body with an error field:

{ "error": "event not found" }

Status codes

Status	Meaning	What to do
`400`	The request is not valid. For example, the event ID is not a number, or a Free project has no destination.	Fix the request.
`401`	No API key, a wrong key, or a wrong source signature.	Check the key or the signature.
`402`	No credits, an unpaid plan, or a source over the plan limit.	Add credits or change the plan.
`403`	The workspace is suspended, or the key’s creator has no verified email.	Contact the workspace owner.
`404`	Not found, or not in this workspace.	Check the IDs.
`409`	Nothing to do. For example, a retry on an event with no `dead` delivery.	No action needed.
`423`	The source is paused.	Resume the source.
`429`	Too many requests.	Wait. For ingest, wait for `Retry-After`.
`5xx`	A problem on our side.	Retry with backoff. For ingest, wait for `Retry-After`.

What	Limit
Ingest, for each source	1,000 a minute by default. Up to 1,000,000 on Pro.
REST API, for each key	600 a minute
Retries and replays, for each user	60 a minute