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In a Nutshell

Max 50 requests / min.

Otherwise you’ll get a 429 Too Many Requests.

Max payload size

Our server cuts the connection and returns an error if the request body is too large.

Time-out

Any request that takes more than 5 seconds will be aborted by our server.

2 months events retention

Events (webhooks) are kept for up to 2 months, whether delivered or not.

Max events delivery throughput

At most, 3 event delivery attempts at the same time for any given webhook endpoint.

15 events delivery retries

Failed event deliveries are retried up to 15 times

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Errors Due to Limits Exceeded

Your integrations may encounter errors due to server limits being exceeded.
DescriptionResponse HTTP statusWhat you should doShould you retry?
Request took too long (> 5 seconds).408 Request TimeoutYour request may be too complex.✅ Yes (simplified)
Request body too large.413 Content Too LargeSend us smaller files or data.❌ No
More than 50 requests in a 60 seconds window.429 Too Many RequestsSpace out your requests.✅ Yes (later)
Request headers are too long (> 8 KB).431 Request Header Fields Too LargeCheck your headers, you should not encounter this error in a normal case.❌ No
These limits values may be changed without prior notice, as long as they become higher (i.e. more lenient).