Error page types

Page type	Description	API identifier
WAF block	The page displayed when visitors are blocked by a Web Application Firewall rule. This page returns a 403 status code.	waf_block
IP/Country block	The page displayed when a request originates from a blocked IP address or country. This page returns a 403 status code.	ip_block
IP/Country challenge	Presents a challenge to visitors from specified IP addresses or countries. This page returns a 403 status code. For more information, refer to IP Access rules.	country_challenge
500 class errors	500 class error pages are displayed when a web server is unable to process a request. For more information, refer to Cloudflare 5XX errors.	500_errors
1000 class errors	1000 class error pages are displayed when a domain’s configuration, security settings, or origin setup prevents Cloudflare from completing a request. For more information, refer to Cloudflare 1XXX errors.	1000_errors
Managed challenge / I'm Under Attack Mode	Presents different types of challenges to a visitor depending on the nature of their request and your security settings. This page returns a 403 status code. For more information, refer to Under Attack mode.	managed_challenge
Rate limiting block	Displayed to visitors when they have been blocked by a rate limiting rule. This page returns a 429 status code.	ratelimit_block

The following error page types will only be shown in the Cloudflare dashboard if you have customized their error pages in the past:

Page type	API identifier
Interactive Challenge	basic_challenge
JavaScript Challenge	under_attack

These types of challenges are being discouraged in favor of managed challenges. Refer to Challenge pages for more information.