SSL Labs

SSL grades, certificate details and server grades

Qualys SSL Labs tests the security of public HTTPS servers.

Check ssl certificate

Check ssl certificate

Check a website’s SSL Labs HTTPS security grade, servers, certificate, protocols, and known weaknesses. Cached results from the last 72 hours are reused by default; a fresh assessment can take several minutes and may exceed the call time limit. Results are kept off public boards.

Your information

Website

Website domain or URL, for example https://github.com/about.

More options

Use CachedOptional

Reuse a report from the last 72 hours when available, for example true; set false to request a fresh test.

1 credit per run

Example results

Domain: github.com
Test Date: 2026-09-28
Overall Grade: A+
Days Until Expiry: 33
Results Page Link: ssllabs.com
Certificate Issuer: Sectigo Limited
Certificate Expiry Date: 2026-11-01
Servers: Servers
Grade Ip Address Results Page Link
A+
140.82.112.3
ssllabs.com
Known Weaknesses: None
Supported Protocols: TLS 1.3
TLS 1.2

Servers
Grade	Ip Address	Results Page Link
A+	140.82.112.3	ssllabs.com

Example data · Run in Studio for fresh results.

About SSL Labs

SSL Labs (SSLLabs) returns HTTPS grades, server details, certificate information, supported protocols, and known weaknesses.

Check ssl certificate needs a website domain or URL and can reuse a report from the last 72 hours.

Built by Fous from ssllabs.com and checked automatically; it last passed a check on Sep 29, 2026. Fous is not affiliated with SSL Labs.

Actions

Check ssl certificate

1 credit per run

What you provide

Field	Type	Required	Description
Website`website`	Text	Required	Website domain or URL, for example https://github.com/about.Example: github.com
Use Cached`use_cached`	Yes or no	Optional	Reuse a report from the last 72 hours when available, for example true; set false to request a fresh test.

What you get

Field	Type	Description
Domain`domain`	Text	Website domain that was tested.Example: github.com
Servers`servers`	List	Server addresses and grades.
Grade`servers[].grade`	Text	Example: A+
Ip Address`servers[].ip_address`	Text	Example: 140.82.112.3
Results Page Link`servers[].results_page_link`	Text	Example: https://www.ssllabs.com/ssltest/analyze.html?d=github.com&hideResults=on&s=140…
Test Date`test_date`	Date	Example: 2026-09-28
Overall Grade`overall_grade`	Text	Lowest SSL Labs grade across the tested servers.Example: A+
Known Weaknesses`known_weaknesses`	List
Days Until Expiry`days_until_expiry`	Number	Example: 33
Results Page Link`results_page_link`	Text	Example: https://www.ssllabs.com/ssltest/analyze.html?d=github.com&hideResults=on
Certificate Issuer`certificate_issuer`	Text	Example: Sectigo Limited
Supported Protocols`supported_protocols`	List
Certificate Expiry Date`certificate_expiry_date`	Date	Example: 2026-11-01

Example result

For Website: github.com

JSON

{
  "domain": "github.com",
  "servers": [
    {
      "grade": "A+",
      "ip_address": "140.82.112.3",
      "results_page_link": "https://www.ssllabs.com/ssltest/analyze.html?d=github.com&hideResults=on&s=140.82.112.3"
    }
  ],
  "test_date": "2026-09-28",
  "overall_grade": "A+",
  "known_weaknesses": [],
  "days_until_expiry": 33,
  "results_page_link": "https://www.ssllabs.com/ssltest/analyze.html?d=github.com&hideResults=on",
  "certificate_issuer": "Sectigo Limited",
  "supported_protocols": [
    "TLS 1.3",
    "TLS 1.2"
  ],
  "certificate_expiry_date": "2026-11-01"
}

For developers

Run this workflow from your own code. In Studio, turn on Developer mode and create an API key.

cURL

# First set your key: export FOUS_API_KEY='YOUR_FOUS_API_KEY'
: "${FOUS_API_KEY:?Set FOUS_API_KEY before running this example}"

curl 'https://api.fous.com/v1/query' \
  --fail-with-body --silent --show-error --max-time 120 \
  -H "Authorization: Bearer $FOUS_API_KEY" \
  -H 'Content-Type: application/json' \
  --data-raw '{
  "api": "@ssl-labs",
  "visibility": "public",
  "operation": "check_ssl_certificate",
  "version": 1,
  "input": {
    "website": "github.com"
  },
  "response": {
    "format": "json"
  }
}'

What you can do with it

Compare HTTPS grades across a website’s servers
Review certificate expiry dates and issuers
Identify supported protocols and known weaknesses
Track certificate expiry dates for monitored websites

Questions

Is Fous affiliated with SSL Labs?

No. Fous is not affiliated with SSL Labs. This workflow reads the public ssllabs.com website and returns its data.

How much does it cost?

Each run costs 1 credit. With pay-as-you-go, a credit costs 1¢; monthly plans cost less per credit.

Do I need a SSL Labs account?

No. You only need a Fous account.

How current is the data?

Fous gets the data from ssllabs.com when you run it; repeating the same request within a day may return the saved result. Fous checks this workflow automatically; it last passed a check on Sep 29, 2026.