Whats91
Developers

Retrieve one contact book by UID.

Get Contact Book

Summary

Retrieve one contact book by UID.

Prerequisites

  • Authorization: Bearer w91_live_xxx
  • Content-Type: application/json for JSON requests

Endpoint: GET /api/v2/contact-books/{bookUid}. Use this endpoint when a client needs metadata for one contact book before uploading contacts or building a campaign audience.

GET/api/v2/contact-books/{bookUid}
ParameterTypeRequiredDescription
AuthorizationheaderRequiredBearer w91_public_token_here. Must be a global public API token.
bookUidstringRequiredContact book UID, for example grp_abc.
Get contact book
curl -X GET "https://graph.whats91.com/api/v2/contact-books/grp_abc" \
  -H "Authorization: Bearer w91_public_token_here"
Get response
{
  "success": true,
  "message": "Contact book retrieved",
  "data": {
    "contactBook": {
      "contactBookUid": "grp_abc",
      "uid": "grp_abc",
      "name": "Retail Leads",
      "description": "Retail campaign contacts",
      "color": "#0f62fe",
      "status": "ACTIVE",
      "contactCount": 120,
      "createdAt": "2026-06-06T08:00:00.000Z",
      "updatedAt": "2026-06-06T08:00:00.000Z"
    }
  },
  "metadata": {
    "apiVersion": "v2",
    "requestId": "request-uuid"
  }
}

Not Found

CONTACT_BOOK_NOT_FOUND
{
  "success": false,
  "error": {
    "code": "CONTACT_BOOK_NOT_FOUND",
    "message": "Contact book UID does not belong to the authenticated customer."
  },
  "metadata": {
    "apiVersion": "v2",
    "requestId": "request-uuid"
  }
}

SDK Examples

Use these examples as starting points for server-side implementations.

cURL
curl -X GET "https://graph.whats91.com/api/v2/contact-books/{bookUid}" \
  -H "Authorization: Bearer w91_live_xxx"
Node.js
const response = await fetch("https://graph.whats91.com/api/v2/contact-books/{bookUid}", {
  method: "GET",
  headers: {
    "Authorization": "Bearer w91_live_xxx",
    "Content-Type": "application/json"
  }
});

const data = await response.json();
console.log(data);
PHP
$ch = curl_init("https://graph.whats91.com/api/v2/contact-books/{bookUid}");
curl_setopt_array($ch, [
  CURLOPT_CUSTOMREQUEST => "GET",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_HTTPHEADER => [
    "Authorization: Bearer w91_live_xxx",
    "Content-Type: application/json"
  ]
]);

$response = curl_exec($ch);
curl_close($ch);
echo $response;
Python
import requests

response = requests.request(
    "GET",
    "https://graph.whats91.com/api/v2/contact-books/{bookUid}",
    headers={
        "Authorization": "Bearer w91_live_xxx",
        "Content-Type": "application/json",
    }
)

print(response.json())
C#
using var client = new HttpClient();
client.DefaultRequestHeaders.Add("Authorization", "Bearer w91_live_xxx");

var request = new HttpRequestMessage(HttpMethod.Get, "https://graph.whats91.com/api/v2/contact-books/{bookUid}");

var response = await client.SendAsync(request);
Console.WriteLine(await response.Content.ReadAsStringAsync());

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