Reject Call

Reject an incoming call for a specific session.

POST

https://api.wawp.net/v2/calls/reject?instance_id=123456789&access_token=123456789&callId=call_123456789&from=123456789%40c.us

Authentication Required

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

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Test /v2/calls/reject endpoint

Supports

POST

No query parameters required

This endpoint doesn't expect data in the URL.

Webhook Events

Listen to call.* webhooks to handle incoming calls in real-time.

Outbound Calls

WhatsApp API does not support programmatic outbound calls. Use links instead.

Best practices

Respond to incoming call events quickly to avoid timeouts.
Use the "Reject" endpoint for unwanted calls with a polite message.
Log call attempts for analytics and support.

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`		Your unique WhatsApp Instance ID Example:
	`string`		Your API Access Token Example:
	`string`		The unique ID of the incoming call (from call.received webhook) Example:
	`string`		The WhatsApp ID (JID) of the caller (from call.received webhook) 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/calls/reject";
3const params = new URLSearchParams({
4  "instance_id": "123456789",
5  "access_token": "123456789"
6}).toString();
7const body = {
8  "callId": "call_123456789",
9  "from": "123456789@c.us"
10};
11
12fetch(`${baseUrl}${endpoint}${params ? '?' + params : ''}`, {
13  method: "POST",
14  headers: { "Content-Type": "application/json" },
15  body: JSON.stringify(body)
16})
17  .then(async (response) => {
18    if (response.ok) {
19      const data = await response.json();
20      console.log("Success:", data);
21      return data;
22    }
23    
24    // Error Handling
25    if (response.status === 400) {
26      console.error("Error 400: Bad Request - Missing Required Parameter(s)");
27    }
28    if (response.status === 400) {
29      console.error("Error 400: Bad Request (XML Format)");
30    }
31    if (response.status === 400) {
32      console.error("Error 400: Bad Request (Plain Text)");
33    }
34    if (response.status === 401) {
35      console.error("Error 401: Unauthorized - Invalid or Missing Access Token");
36    }
37    if (response.status === 401) {
38      console.error("Error 401: Unauthorized (XML Format)");
39    }
40    if (response.status === 404) {
41      console.error("Error 404: Not Found - Session Does Not Exist");
42    }
43    if (response.status === 404) {
44      console.error("Error 404: Not Found (XML Format)");
45    }
46    if (response.status === 500) {
47      console.error("Error 500: Internal Server Error - Unexpected Failure");
48    }
49    if (response.status === 500) {
50      console.error("Error 500: Internal Server Error (HTML)");
51    }
52    if (response.status === 502) {
53      console.error("Error 502: Bad Gateway - Connection Failed to Upstream");
54    }
55    if (response.status === 502) {
56      console.error("Error 502: Bad Gateway (XML Format)");
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 - Request completed successfully

3 Variants

Type:

application/json

boolean *

string *

Example

{
"success": true,
"message": "Operation completed successfully"
}

Bad Request - Missing Required Parameter(s)

3 Variants

Unauthorized - Invalid or Missing Access Token

2 Variants

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