Ruby Implementation

Password Request

require 'net/http'
require 'json'

url = 'https://api.leakedpassword.com/pass/{your-password}'
uri = URI(url)
response = Net::HTTP.get(uri)
JSON.parse(response)

SHA1 Hash Request

require 'net/http'
require 'json'

url = 'https://api.leakedpassword.com/sha1/{your-sha1-hash}'
uri = URI(url)
response = Net::HTTP.get(uri)
JSON.parse(response)

Response

{
    "password": {
        "leak": true,
        "hash": "7110eda4d09e062aa5e4a390b0a572ac0d2c0220",
        "seen": 1256907
    }
}