curl --request POST \
  --url https://api.rb2b.com/api/v1/ip_to_maid \
  --header 'Content-Type: application/json' \
  --header 'X-Api-Key: <api-key>' \
  --data '
{
  "ip_address": "203.0.113.42"
}
'

import requests

url = "https://api.rb2b.com/api/v1/ip_to_maid"

payload = { "ip_address": "203.0.113.42" }
headers = {
    "X-Api-Key": "<api-key>",
    "Content-Type": "application/json"
}

response = requests.post(url, json=payload, headers=headers)

print(response.text)

const options = {
  method: 'POST',
  headers: {'X-Api-Key': '<api-key>', 'Content-Type': 'application/json'},
  body: JSON.stringify({ip_address: '203.0.113.42'})
};

fetch('https://api.rb2b.com/api/v1/ip_to_maid', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

{
  "results": [
    {
      "device_id": "6D92078A-8246-4BA4-AE5B-76104861E7DC",
      "device_type": "idfa"
    }
  ]
}

{
  "error": "missing ip_address"
}

{
  "error": "missing_api_key"
}

{
  "error": "insufficient_api_credits",
  "required": "1.0",
  "remaining": "0.0"
}

{
  "error": "service_unavailable_for_key"
}

{
  "results": [
    "<unknown>"
  ]
}