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PUT
/
registrar
/
v1
/
contacts
/
{handle}
Update a contact
curl --request PUT \
  --url https://www.atom.com/api/registrar/v1/contacts/{handle} \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "name": "Jane Smith",
  "first_name": "Jane",
  "last_name": "Smith",
  "email": "jane.smith@example.com",
  "phone": "+1.2025559876",
  "fax": null,
  "organization": "Acme Corp",
  "address": [
    "456 Oak Ave",
    "Floor 2"
  ],
  "city": "Austin",
  "state": "TX",
  "zip": "78701",
  "country": "US",
  "label": "Updated Label",
  "disclosed_fields": [
    "name"
  ]
}
'
import requests

url = "https://www.atom.com/api/registrar/v1/contacts/{handle}"

payload = {
    "name": "Jane Smith",
    "first_name": "Jane",
    "last_name": "Smith",
    "email": "jane.smith@example.com",
    "phone": "+1.2025559876",
    "fax": None,
    "organization": "Acme Corp",
    "address": ["456 Oak Ave", "Floor 2"],
    "city": "Austin",
    "state": "TX",
    "zip": "78701",
    "country": "US",
    "label": "Updated Label",
    "disclosed_fields": ["name"]
}
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

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

print(response.text)
const options = {
  method: 'PUT',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    name: 'Jane Smith',
    first_name: 'Jane',
    last_name: 'Smith',
    email: 'jane.smith@example.com',
    phone: '+1.2025559876',
    fax: null,
    organization: 'Acme Corp',
    address: ['456 Oak Ave', 'Floor 2'],
    city: 'Austin',
    state: 'TX',
    zip: '78701',
    country: 'US',
    label: 'Updated Label',
    disclosed_fields: ['name']
  })
};

fetch('https://www.atom.com/api/registrar/v1/contacts/{handle}', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));
<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://www.atom.com/api/registrar/v1/contacts/{handle}",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "PUT",
  CURLOPT_POSTFIELDS => json_encode([
    'name' => 'Jane Smith',
    'first_name' => 'Jane',
    'last_name' => 'Smith',
    'email' => 'jane.smith@example.com',
    'phone' => '+1.2025559876',
    'fax' => null,
    'organization' => 'Acme Corp',
    'address' => [
        '456 Oak Ave',
        'Floor 2'
    ],
    'city' => 'Austin',
    'state' => 'TX',
    'zip' => '78701',
    'country' => 'US',
    'label' => 'Updated Label',
    'disclosed_fields' => [
        'name'
    ]
  ]),
  CURLOPT_HTTPHEADER => [
    "Authorization: Bearer <token>",
    "Content-Type: application/json"
  ],
]);

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);

if ($err) {
  echo "cURL Error #:" . $err;
} else {
  echo $response;
}
package main

import (
	"fmt"
	"strings"
	"net/http"
	"io"
)

func main() {

	url := "https://www.atom.com/api/registrar/v1/contacts/{handle}"

	payload := strings.NewReader("{\n  \"name\": \"Jane Smith\",\n  \"first_name\": \"Jane\",\n  \"last_name\": \"Smith\",\n  \"email\": \"jane.smith@example.com\",\n  \"phone\": \"+1.2025559876\",\n  \"fax\": null,\n  \"organization\": \"Acme Corp\",\n  \"address\": [\n    \"456 Oak Ave\",\n    \"Floor 2\"\n  ],\n  \"city\": \"Austin\",\n  \"state\": \"TX\",\n  \"zip\": \"78701\",\n  \"country\": \"US\",\n  \"label\": \"Updated Label\",\n  \"disclosed_fields\": [\n    \"name\"\n  ]\n}")

	req, _ := http.NewRequest("PUT", url, payload)

	req.Header.Add("Authorization", "Bearer <token>")
	req.Header.Add("Content-Type", "application/json")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(string(body))

}
HttpResponse<String> response = Unirest.put("https://www.atom.com/api/registrar/v1/contacts/{handle}")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"name\": \"Jane Smith\",\n  \"first_name\": \"Jane\",\n  \"last_name\": \"Smith\",\n  \"email\": \"jane.smith@example.com\",\n  \"phone\": \"+1.2025559876\",\n  \"fax\": null,\n  \"organization\": \"Acme Corp\",\n  \"address\": [\n    \"456 Oak Ave\",\n    \"Floor 2\"\n  ],\n  \"city\": \"Austin\",\n  \"state\": \"TX\",\n  \"zip\": \"78701\",\n  \"country\": \"US\",\n  \"label\": \"Updated Label\",\n  \"disclosed_fields\": [\n    \"name\"\n  ]\n}")
  .asString();
require 'uri'
require 'net/http'

url = URI("https://www.atom.com/api/registrar/v1/contacts/{handle}")

http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true

request = Net::HTTP::Put.new(url)
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"name\": \"Jane Smith\",\n  \"first_name\": \"Jane\",\n  \"last_name\": \"Smith\",\n  \"email\": \"jane.smith@example.com\",\n  \"phone\": \"+1.2025559876\",\n  \"fax\": null,\n  \"organization\": \"Acme Corp\",\n  \"address\": [\n    \"456 Oak Ave\",\n    \"Floor 2\"\n  ],\n  \"city\": \"Austin\",\n  \"state\": \"TX\",\n  \"zip\": \"78701\",\n  \"country\": \"US\",\n  \"label\": \"Updated Label\",\n  \"disclosed_fields\": [\n    \"name\"\n  ]\n}"

response = http.request(request)
puts response.read_body
{
  "success": true,
  "message": "Contact updated successfully",
  "data": {
    "handle": "ATOM-12345",
    "type": "registrant_user",
    "label": "My Business Contact",
    "name": "Jane Doe",
    "email": "jane@example.com",
    "phone": "+1.2025551234",
    "fax": null,
    "organization": "Acme Corp",
    "address": [
      "123 Main St",
      "Suite 400"
    ],
    "city": "Chicago",
    "state": "IL",
    "zip": "60601",
    "country": "US",
    "disclosed_fields": [
      "name",
      "email"
    ],
    "verified": false
  }
}
{
  "success": true,
  "message": "Verification email sent. Please approve the contact update via email to complete the change.",
  "verification_required": true,
  "data": {
    "handle": "ATOM-12345",
    "type": "registrant_user",
    "label": "My Business Contact",
    "name": "Jane Doe",
    "email": "jane@example.com",
    "phone": "+1.2025551234",
    "fax": null,
    "organization": "Acme Corp",
    "address": [
      "123 Main St",
      "Suite 400"
    ],
    "city": "Chicago",
    "state": "IL",
    "zip": "60601",
    "country": "US",
    "disclosed_fields": [
      "name",
      "email"
    ],
    "verified": false
  }
}
{
  "success": false,
  "error": "Bad Request",
  "message": "Invalid input provided"
}
{
  "success": false,
  "error": "Unauthorized",
  "message": "Invalid registrar API token or access has been revoked. Please request registrar API access from your dashboard."
}
{
  "success": false,
  "error": "Bad Request",
  "message": "Invalid input provided"
}
{
  "success": false,
  "error": "Bad Request",
  "message": "Invalid input provided"
}
{
  "success": false,
  "error": "Registrar Error",
  "message": "<string>",
  "violations": [
    {}
  ]
}
{
  "success": false,
  "error": "Bad Request",
  "message": "Invalid input provided"
}

Authorizations

​
Authorization
string
header
required

Registrar API Bearer token. Obtain from dashboard at /dashboard/seller/api-access after requesting Registrar API access.

Path Parameters

​
handle
string
required

The registrar contact handle to update (e.g. ATOM-12345 or CONTACT_1-67890)

Body

application/json

All fields are optional — only provide the fields you want to change.

​
name
string
Example:

"Jane Smith"

​
first_name
string
Example:

"Jane"

​
last_name
string
Example:

"Smith"

​
email
string<email>
Example:

"jane.smith@example.com"

​
phone
string
Example:

"+1.2025559876"

​
fax
string
Example:

null

​
organization
string
Example:

"Acme Corp"

​
address
Example:
["456 Oak Ave", "Floor 2"]
​
city
string
Example:

"Austin"

​
state
string
Example:

"TX"

​
zip
string
Example:

"78701"

​
country
string
Example:

"US"

​
label
string
Example:

"Updated Label"

​
disclosed_fields
string[]
Example:
["name"]

Response

Contact updated successfully

​
success
boolean
Example:

true

​
message
string
Example:

"Contact updated successfully"

​
data
object