SSL Lookup API

API Structure

Deepinfo provides comprehensive information about SSL certificates and enables you to reveal associated FQDNs of a specific domain. Currently, you can access more than 4 billion certificate information using this API. With the SSL Lookup API, existing SSL certificate infomation can be obtained for a particular FQDN or domain.

Let's start by creating a two-week free account from Deepinfo Platform, get your API key and you are ready. Next, you can test using the following cURL command.

Sample with the curl command:

curl --request GET \
  --url '' \
  --header 'Accept: application/json'
  --header 'apikey: [YOUR_API_KEY]' \

If you wish to call the SSL Lookup API with real values and run the code, just click here.

You can always contact us and ask for more assistance.