Origin Errors API Reference - bunny.net Documentation

API Reference

Core Platform API

Origin Errors API

CDN Logging API

Storage API

Stream API

Shield API

Edge Scripting API

Magic Containers API

The Origin Errors API provides visibility into failed origin requests. Query error logs by pull zone and date to identify DNS failures, timeouts, and other origin issues.

Base URL

https://cdn-origin-logging.bunny.net

Authentication

Authenticate using the AccessKey header with your account API key:

curl --request GET \
  --url https://cdn-origin-logging.bunny.net/{pullZoneId}/{dateTime} \
  --header 'AccessKey: YOUR_API_KEY'

Find your API key in the account settings under API Keys.

Error codes

The API returns logs with the following error codes:

Error Code	Description
`dns_lookup`	Origin DNS lookup failed
`http_timeout`	Request to origin timed out
`http_request_exception`	HTTP request exception occurred
`http_request_failure`	HTTP request failed
`http_invalid_range`	Invalid range request
`http_loop_detected`	Request loop detected
`http_invalid_compression`	Invalid compression in response
`network_socket_exception`	Network socket exception
`network_io_error`	Network I/O error
`ssl_error`	TLS handshake with the origin failed (invalid origin certificate)
`notfound_localdb`	Not found in local database
`origin_url_malformed`	The configured origin URL is malformed
`loadbalanced_origin_failure`	A load balancer origin failed
`error`	Unknown or unclassified origin error

Last modified on September 30, 2026