Get QR Image

Returns a base64-encoded PNG image of the WhatsApp QR code for easy rendering in web and mobile applications.

POST

https://api.wawp.net/v2/auth/qr-image?instance_id=Your_Instance_ID&access_token=YOUR_ACCESS_TOKEN

Authentication Required

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

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Test /v2/auth/qr-image endpoint

Supports

POSTGET

No query parameters required

This endpoint doesn't expect data in the URL.

Direct Rendering

The 'qr' field is a full Data URI. Bind it directly to an <img src='...'> tag.

Wait for Engine

After starting a session, it may take 5-15 seconds for the QR code to be ready.

Best practices

Embed directly in your frontend without saving to disk for better security.
Refresh the image every 30 seconds to avoid showing expired codes.
Do not cache this response; always fetch a fresh image.

Request Parameters

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

Request Body

Sent as a JSON object

	`string`		The 12-character ID of the instance Example:
	`string`		Your API Access Token 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/auth/qr-image";
3const params = new URLSearchParams({
4  "instance_id": "Your_Instance_ID",
5  "access_token": "YOUR_ACCESS_TOKEN"
6}).toString();
7
8
9fetch(`${baseUrl}${endpoint}${params ? '?' + params : ''}`, {
10  method: "POST",
11  headers: { "Content-Type": "application/json" },
12  
13})
14  .then(async (response) => {
15    if (response.ok) {
16      const data = await response.json();
17      console.log("Success:", data);
18      return data;
19    }
20    
21    // Error Handling
22    if (response.status === 400) {
23      console.error("Error 400: Bad Request - Missing Required Parameter(s)");
24    }
25    if (response.status === 400) {
26      console.error("Error 400: Bad Request (XML Format)");
27    }
28    if (response.status === 400) {
29      console.error("Error 400: Bad Request (Plain Text)");
30    }
31    if (response.status === 401) {
32      console.error("Error 401: Unauthorized - Invalid or Missing Access Token");
33    }
34    if (response.status === 401) {
35      console.error("Error 401: Unauthorized (XML Format)");
36    }
37    if (response.status === 404) {
38      console.error("Error 404: Not Found - Session Does Not Exist");
39    }
40    if (response.status === 404) {
41      console.error("Error 404: Not Found (XML Format)");
42    }
43    if (response.status === 500) {
44      console.error("Error 500: Internal Server Error - Unexpected Failure");
45    }
46    if (response.status === 500) {
47      console.error("Error 500: Internal Server Error (HTML)");
48    }
49    if (response.status === 502) {
50      console.error("Error 502: Bad Gateway - Connection Failed to Upstream");
51    }
52    if (response.status === 502) {
53      console.error("Error 502: Bad Gateway (XML Format)");
54    }
55    if (response.status === 422) {
56      console.error("Error 422: Unprocessable Entity - Session Status Mismatch");
57    }
58
59    const errorText = await response.text();
60    console.error(`Error ${response.status}: ${errorText}`);
61  })
62  .catch((error) => console.error("Network Error:", error));

Interactive SamplesUTF-8

Ln 62, 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.

Success - QR Image URL

3 Variants

Type:

application/json

string *

Example

{
"qr": "data:image/png;base64,iVBORw0KGgoAAAANSUhEUgA..."
}

Bad Request - Missing Required Parameter(s)

3 Variants

Unauthorized - Invalid or Missing Access Token

2 Variants

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