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301 Moved Permanently - ai21.com
HTTP Status: 301
User-Agent: Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; [email protected])
Date: Sun, 11 May 2025 17:09:05 GMT
Content-Type: text/html; charset=UTF-8
Transfer-Encoding: chunked
Connection: keep-alive
X-Powered-By:
Strict-Transport-Security: max-age=15552000; includeSubDomains
X-Redirect-By: WordPress
Location: https://www.ai21.com/
X-Cacheable: bot
Cache-Control: max-age=10800, must-revalidate
X-Cache: HIT: 24
X-Cache-Group: bot
cf-cache-status: DYNAMIC
expect-ct: max-age=86400, enforce
referrer-policy: same-origin
x-content-type-options: nosniff
x-frame-options: SAMEORIGIN
x-xss-protection: 1; mode=block
Server: cloudflare
CF-RAY: 93e34831bb717124-TLL

HTTP Code 301 Moved Permanently

301 status code means that the requested resource has been permanently moved to a new URL. All future requests should use the new address.

When is Code 301 used?

  • When changing a website domain
  • When modifying URL structures
  • When setting up redirects for SEO

What does Code 301 mean for the user?

The browser will automatically redirect the user to the new address, and search engines will update their indexes.

429 Too Many Requests - https://ai21.com/
HTTP Status: 429
User-Agent: Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; [email protected])
Date: Sun, 11 May 2025 17:09:05 GMT
Content-Type: text/html
Transfer-Encoding: chunked
Connection: keep-alive
cf-cache-status: DYNAMIC
Strict-Transport-Security: max-age=15552000; includeSubDomains
expect-ct: max-age=86400, enforce
referrer-policy: same-origin
x-content-type-options: nosniff
x-frame-options: SAMEORIGIN
x-xss-protection: 1; mode=block
Server: cloudflare
CF-RAY: 93e348340abce4cc-RIX

HTTP Code 429 Too Many Requests

429 status code means that the client has sent too many requests in a short period.

When is Code 429 used?

  • When an API rate limit is exceeded
  • When a user sends too many login attempts

What does Code 429 mean for the user?

The user must wait before making more requests.

GET / HTTP/1.1
Host: ai21.com
Accept: */*
User-Agent: Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; [email protected])

<html>
<head><title>429 Too Many Requests</title></head>
<body>
<center><h1>429 Too Many Requests</h1></center>
<hr><center>nginx</center>
</body>
</html>

Whois info of domain

Domain Name: AI21.COM
Registry Domain ID: 1851785012_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.godaddy.com
Registrar URL: http://www.godaddy.com
Updated Date: 2025-03-18T08:46:39Z
Creation Date: 2014-03-24T18:25:28Z
Registry Expiry Date: 2026-03-24T18:25:28Z
Registrar: GoDaddy.com, LLC
Registrar IANA ID: 146
Registrar Abuse Contact Email: [email protected]
Registrar Abuse Contact Phone: 480-624-2505
Domain Status: clientDeleteProhibited https://icann.org/epp#clientDeleteProhibited
Domain Status: clientRenewProhibited https://icann.org/epp#clientRenewProhibited
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Domain Status: clientUpdateProhibited https://icann.org/epp#clientUpdateProhibited
Name Server: CHANCE.NS.CLOUDFLARE.COM
Name Server: VERONICA.NS.CLOUDFLARE.COM
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2025-05-11T17:08:49Z <<<
For more information on Whois status codes, please visit https://icann.org/epp
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