Link Label to Chat

Assign a specific label to a chat or contact.

PUT

https://api.wawp.net/v2/labels/{id}/chats/{chatId}?instance_id=123456789&access_token=123456789&id=1&chatId=447441429009%40c.us

Authentication Required

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

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Test /v2/labels/{id}/chats/{chatId} endpoint

Supports

PUT

No query parameters required

This endpoint doesn't expect data in the URL.

Capacity

A chat can have multiple labels (up to 20).

Automation

Labels are excellent triggers for automated workflows.

Best practices

Add a 'Bot Handled' label to chats your bot is managing.
Use labels to track the customer journey (e.g., Lead, Qualified, Closed).

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 label Example:
	`string`		Target phone number or group ID (@c.us, @g.us) 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/labels/1/chats/447441429009@c.us";
3const params = new URLSearchParams({
4  "instance_id": "123456789",
5  "access_token": "123456789"
6}).toString();
7
8
9fetch(`${baseUrl}${endpoint}${params ? '?' + params : ''}`, {
10  method: "PUT",
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
56    const errorText = await response.text();
57    console.error(`Error ${response.status}: ${errorText}`);
58  })
59  .catch((error) => console.error("Network Error:", error));

Interactive SamplesUTF-8

Ln 59, 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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