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# List Contacts

GET https://api.coperniq.io/v1/contacts

Retrieve a paginated list of contacts.

Supports:
- Pagination (`page_size`, `page`)
- Date filtering (`updated_after`, `updated_before`)
- Sorting (`order_by`)
- Search (`q`)


Reference: https://docs.coperniq.io/api-reference/contacts/list-contacts

## Authentication

- `x-api-key` header (required) — API Key authentication via header

## Request

### Query parameters

- `page_size` (integer, optional, default: 20) — Number of items per page (max 100)
- `page` (integer, optional, default: 1) — Page number (1-based)
- `updated_after` (ContactsGetParametersUpdatedAfter, optional) — Filter items updated after this timestamp (ISO 8601). Also matches records whose custom property values changed within the window.
- `updated_before` (ContactsGetParametersUpdatedBefore, optional) — Filter items updated before this timestamp (ISO 8601). Also matches records whose custom property values changed within the window.
- `order_by` (enum, optional, default: asc) — Sort order for results
  - Allowed values: `asc`, `desc`
- `q` (string, optional) — Full text search across contact name, emails, and phones.

## Response

### 200

List of contacts

- `list of Contact`

## Errors

### 401 Unauthorized Error

Authentication failed

- `message` (string, optional)
- `code` (enum, optional)
  - Allowed values: `UNAUTHORIZED`

## Types

### ContactsGetParametersUpdatedAfter

### ContactsGetParametersUpdatedBefore

### Contact

- `name` (string, required) — Contact's full name
- `id` (integer, optional) — Unique identifier
- `createdAt` (string, optional) — Creation timestamp
- `updatedAt` (string, optional) — Last update timestamp
- `phones` (list of string, optional) — List of contact phone numbers
- `emails` (list of string, optional) — List of contact email addresses
- `title` (string, optional, nullable) — Contact title
- `description` (string, optional, nullable) — Contact description
- `createdByUser` (ContactCreatedByUser, optional)
- `accounts` (list of ContactRelatedRecordRef, optional) — List of linked accounts
- `projects` (list of ContactRelatedRecordRef, optional) — List of linked projects
- `opportunities` (list of ContactRelatedRecordRef, optional) — List of linked opportunities
- `vendors` (list of ContactRelatedRecordRef, optional) — List of linked vendors

### ContactCreatedByUser

- `id` (integer, optional) — User identifier

### ContactRelatedRecordRef

- `id` (integer, optional) — Record identifier
- `title` (string, optional) — Record title

## Examples

**Response**

```json
[
  {
    "name": "Jordan Lee",
    "phones": [
      "+14155550123"
    ],
    "emails": [
      "jordan.lee@example.com"
    ],
    "title": "Project Coordinator",
    "createdByUser": {
      "id": 42
    },
    "accounts": [
      {
        "id": 101,
        "title": "Acme Solar"
      }
    ],
    "projects": [
      {
        "id": 501,
        "title": "Smith Residence"
      }
    ]
  },
  {
    "name": "Casey Morgan",
    "phones": [
      "+14155550987"
    ],
    "emails": [
      "casey.morgan@example.com"
    ],
    "title": "Account Manager",
    "createdByUser": {
      "id": 42
    },
    "accounts": [
      {
        "id": 102,
        "title": "Bright Electric"
      }
    ],
    "projects": [
      {
        "id": 502,
        "title": "Riverside Retrofit"
      }
    ]
  }
]
```

**SDK Code**

```python Example contact list
import requests

url = "https://api.coperniq.io/v1/contacts"

headers = {"x-api-key": "<apiKey>"}

response = requests.get(url, headers=headers)

print(response.json())
```

```javascript Example contact list
const url = 'https://api.coperniq.io/v1/contacts';
const options = {method: 'GET', headers: {'x-api-key': '<apiKey>'}};

try {
  const response = await fetch(url, options);
  const data = await response.json();
  console.log(data);
} catch (error) {
  console.error(error);
}
```

```go Example contact list
package main

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

func main() {

	url := "https://api.coperniq.io/v1/contacts"

	req, _ := http.NewRequest("GET", url, nil)

	req.Header.Add("x-api-key", "<apiKey>")

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

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

	fmt.Println(res)
	fmt.Println(string(body))

}
```

```ruby Example contact list
require 'uri'
require 'net/http'

url = URI("https://api.coperniq.io/v1/contacts")

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

request = Net::HTTP::Get.new(url)
request["x-api-key"] = '<apiKey>'

response = http.request(request)
puts response.read_body
```

```java Example contact list
import com.mashape.unirest.http.HttpResponse;
import com.mashape.unirest.http.Unirest;

HttpResponse<String> response = Unirest.get("https://api.coperniq.io/v1/contacts")
  .header("x-api-key", "<apiKey>")
  .asString();
```

```php Example contact list
<?php
require_once('vendor/autoload.php');

$client = new \GuzzleHttp\Client();

$response = $client->request('GET', 'https://api.coperniq.io/v1/contacts', [
  'headers' => [
    'x-api-key' => '<apiKey>',
  ],
]);

echo $response->getBody();
```

```csharp Example contact list
using RestSharp;

var client = new RestClient("https://api.coperniq.io/v1/contacts");
var request = new RestRequest(Method.GET);
request.AddHeader("x-api-key", "<apiKey>");
IRestResponse response = client.Execute(request);
```

```swift Example contact list
import Foundation

let headers = ["x-api-key": "<apiKey>"]

let request = NSMutableURLRequest(url: NSURL(string: "https://api.coperniq.io/v1/contacts")! as URL,
                                        cachePolicy: .useProtocolCachePolicy,
                                    timeoutInterval: 10.0)
request.httpMethod = "GET"
request.allHTTPHeaderFields = headers

let session = URLSession.shared
let dataTask = session.dataTask(with: request as URLRequest, completionHandler: { (data, response, error) -> Void in
  if (error != nil) {
    print(error as Any)
  } else {
    let httpResponse = response as? HTTPURLResponse
    print(httpResponse)
  }
})

dataTask.resume()
```