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api.x.com

Every SSL/TLS certificate ever issued for this name, indexed from public CT logs.

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Filters
20 on page · 31 matched
total records
31
active · on this page
0
expired · on this page
20
unique issuers · on this page
7
issuers on this pageGoogle Trust8SwissSign AG4Let's Encrypt3GoDaddy2Microsoft1Unizeto Technologies…1Global Digital Cyber…1
domainissuervalidstatus
api.x.comcrt.sh
Google Trust
Google TrustMar 21, 2025→Jun 19, 2025expired 10mo ago
api.x.comcrt.sh
Google Trust
Google TrustMar 21, 2025→Jun 19, 2025expired 10mo ago
api.x.comcrt.sh
Google Trust
Google TrustMar 4, 2025→Jun 2, 2025expired 11mo ago
api.x.comcrt.sh
Google Trust
Google TrustMar 3, 2025→Jun 1, 2025expired 11mo ago
api.x.comcrt.sh
Let's Encrypt
Let's EncryptFeb 20, 2025→May 21, 2025expired 11mo ago
api.x.comcrt.sh
Google Trust
Google TrustFeb 4, 2025→May 5, 2025expired 1y ago
api.x.comcrt.sh
Google Trust
Google TrustJan 16, 2025→Apr 16, 2025expired 1y ago
api.x.comcrt.sh
Google Trust
Google TrustJan 16, 2025→Apr 16, 2025expired 1y ago
api.x.comcrt.sh
Let's Encrypt
Let's EncryptJan 10, 2025→Apr 10, 2025expired 1y ago
api.x.comcrt.sh
GoDaddy
GoDaddyJan 6, 2025→Apr 6, 2025expired 1y ago
api.x.comcrt.sh
Google Trust
Google TrustDec 20, 2024→Mar 20, 2025expired 1y ago
api.x.comcrt.sh
GoDaddy
GoDaddyDec 11, 2024→Mar 11, 2025expired 1y ago
api.x.comcrt.sh
Microsoft
MicrosoftJan 16, 2024→Apr 15, 2024expired 2y ago
api.x.comcrt.sh
Let's Encrypt
Let's EncryptAug 20, 2025→Nov 18, 2025expired 5mo ago
api.x.comcrt.sh
Unizeto Technologies…
Unizeto Technologies…Jul 6, 2025→Oct 4, 2025expired 7mo ago
api.x.comcrt.sh
Global Digital Cyber…
Global Digital Cyber…Jun 12, 2025→Sep 10, 2025expired 7mo ago
api.x.comcrt.sh
SwissSign AG
SwissSign AGJun 6, 2025→Sep 4, 2025expired 8mo ago
api.x.comcrt.sh
SwissSign AG
SwissSign AGJun 7, 2025→Sep 5, 2025expired 8mo ago
api.x.comcrt.sh
SwissSign AG
SwissSign AGJun 6, 2025→Sep 4, 2025expired 8mo ago
api.x.comcrt.sh
SwissSign AG
SwissSign AGJun 5, 2025→Sep 3, 2025expired 8mo ago
showing 1–20 · 1/2
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Pipe results into your recon pipeline
# Python
$ pip install ct-radar
$ ct-radar api.x.com | httpx -silent
# Go
$ go install github.com/imfht/ct-radar-cli/cli@latest
$ ct-radar api.x.com | nuclei
Free tier: 100 searches/day · Pro $29/mo for 10,000/day

Related domains under .com

google.comyoutube.comgmail.comdrive.google.comfacebook.cominstagram.comwhatsapp.commessenger.comapple.comicloud.comitunes.apple.commicrosoft.com

About certificate history for api.x.com

This page lists every X.509 (SSL/TLS) certificate ever issued for api.x.com and its subdomains, as recorded in public Certificate Transparency (CT) logs. CT logs are an immutable, append-only record of every certificate issued by participating Certificate Authorities (CAs), as required by the major browsers since 2018.

Subdomain enumeration via CT logs is one of the highest-signal techniques in reconnaissance — every time a TLS certificate is issued, all Subject Alternative Names (SANs) on that certificate become public. Internal and forgotten subdomains regularly show up here days after they're set up.

To monitor api.x.com for newly-issued certificates in real-time (useful for detecting unauthorized issuance, phishing variants, or shadow IT) add it to your watchlist (Pro plan).