Check Phone on WhatsApp

Check if a phone number is registered on WhatsApp.

GET

https://api.wawp.net/v2/contacts/check-exists?instance_id=123456789&access_token=123456789&phone=1234567890

Authentication Required

Login to swap the placeholders with your real Instance ID and Access Token.

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Test /v2/contacts/check-exists endpoint

Supports

GET

No query parameters required

This endpoint doesn't expect data in the URL.

Request Parameters

Configure the parameters required to interact with this endpoint. All query and body arguments are listed below with their details.

URL Parameters

Passed in the URL query string

	`string`		Your unique WhatsApp Instance ID Example:
	`string`		Your API Access Token Example:
	`string`		Phone number to check (digits only) Example:

Request Samples

Use these ready-to-go code snippets to integrate our API into your project quickly and efficiently. Choose your preferred language and library.

1const baseUrl = "https://api.wawp.net";
2const endpoint = "/v2/contacts/check-exists";
3const params = new URLSearchParams({
4  "instance_id": "123456789",
5  "access_token": "123456789",
6  "phone": "1234567890"
7}).toString();
8
9
10fetch(`${baseUrl}${endpoint}${params ? '?' + params : ''}`, {
11  method: "GET",
12  headers: { "Content-Type": "application/json" },
13  
14})
15  .then(async (response) => {
16    if (response.ok) {
17      const data = await response.json();
18      console.log("Success:", data);
19      return data;
20    }
21    
22    // Error Handling
23    if (response.status === 401) {
24      console.error("Error 401: Unauthorized - Invalid or Missing Access Token");
25    }
26    if (response.status === 400) {
27      console.error("Error 400: Bad Request - Invalid Parameter Format");
28    }
29    if (response.status === 500) {
30      console.error("Error 500: Internal Server Error - Unexpected Failure");
31    }
32
33    const errorText = await response.text();
34    console.error(`Error ${response.status}: ${errorText}`);
35  })
36  .catch((error) => console.error("Network Error:", error));

Interactive SamplesUTF-8

Ln 36, Col 1javascript

Expected Responses

Explore all possible responses and outcomes from the server. We have documented each status code with data examples to make success and error handling easier.

Check completed

application/json

boolean *

string *

Example

{
"exists": true,
"jid": "1234567890@c.us"
}

Bad Request - Invalid Parameter Format

Unauthorized - Invalid or Missing Access Token

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