List certificate logs

GET/radar/ct/logs

Retrieves a list of certificate logs.

Security

API Token

The preferred authorization scheme for interacting with the Cloudflare API. Create a token.

Example:Authorization: Bearer Sn3lZJTBX6kkg7OdcBUAxOO963GEIyGQqnFTOFYY

API Email + API Key

The previous authorization scheme for interacting with the Cloudflare API, used in conjunction with a Global API key.

Example:X-Auth-Email: user@example.com

The previous authorization scheme for interacting with the Cloudflare API. When possible, use API tokens instead of Global API keys.

Example:X-Auth-Key: 144c9defac04969c7bfad8efaa8ea194

Accepted Permissions (at least one required)

User Details WriteUser Details Read

Query ParametersExpand Collapse

format: optional "JSON" or "CSV"

Format in which results will be returned.

One of the following:

"JSON"

"CSV"

limit: optional number

Limits the number of objects returned in the response.

exclusiveMinimum

minimum0

offset: optional number

Skips the specified number of objects before fetching the results.

minimum0

ReturnsExpand Collapse

result: object { certificateLogs }

certificateLogs: array of object { api, description, endExclusive, 6 more }

api: "RFC6962" or "STATIC"

The API standard that the certificate log follows.

One of the following:

"RFC6962"

"STATIC"

description: string

A brief description of the certificate log.

endExclusive: string

The end date and time for when the log will stop accepting certificates.

formatdate-time

operator: string

The organization responsible for operating the certificate log.

slug: string

A URL-friendly, kebab-case identifier for the certificate log.

startInclusive: string

The start date and time for when the log starts accepting certificates.

formatdate-time

state: "USABLE" or "PENDING" or "QUALIFIED" or 3 more

The current state of the certificate log. More details about log states can be found here: https://googlechrome.github.io/CertificateTransparency/log_states.html

One of the following:

"USABLE"

"PENDING"

"QUALIFIED"

"READ_ONLY"

"RETIRED"

"REJECTED"

stateTimestamp: string

Timestamp of when the log state was last updated.

formatdate-time

url: string

The URL for the certificate log.

success: boolean

List certificate logs

curl https://api.cloudflare.com/client/v4/radar/ct/logs \
    -H "Authorization: Bearer $CLOUDFLARE_API_TOKEN"

{
  "result": {
    "certificateLogs": [
      {
        "api": "RFC6962",
        "description": "Google 'Argon2024' log",
        "endExclusive": "2025-01-01T00:00:00Z",
        "operator": "Google",
        "slug": "argon2024",
        "startInclusive": "2024-01-01T00:00:00Z",
        "state": "USABLE",
        "stateTimestamp": "2025-02-01T08:53:20Z",
        "url": "https://ct.googleapis.com/logs/us1/argon2024/"
      }
    ]
  },
  "success": true
}

Returns Examples

{
  "result": {
    "certificateLogs": [
      {
        "api": "RFC6962",
        "description": "Google 'Argon2024' log",
        "endExclusive": "2025-01-01T00:00:00Z",
        "operator": "Google",
        "slug": "argon2024",
        "startInclusive": "2024-01-01T00:00:00Z",
        "state": "USABLE",
        "stateTimestamp": "2025-02-01T08:53:20Z",
        "url": "https://ct.googleapis.com/logs/us1/argon2024/"
      }
    ]
  },
  "success": true
}