Reaction

React to a specific message with an emoji (👍, ❤️, 😂, etc.).

PUT

https://api.wawp.net/v2/send/reaction?instance_id=123456789&access_token=YOUR_ACCESS_TOKEN&chatId=447441429009%40c.us&messageId=false_20123456789%40c.us_3F351BFA105BA281C054&reaction=%F0%9F%91%8D

Authentication Required

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

Log In

Test /v2/send/reaction endpoint

Supports

PUT

No query parameters required

This endpoint doesn't expect data in the URL.

Modern UI

Reactions keep chat history clean and are significantly faster to process for the user than text replies.

Best practices

Use "reply_to" to maintain conversation context.
Handle distinct message types (text, image, video) appropriately.
Implement a robust retry mechanism for failed sends.

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`		Recipient's WhatsApp ID (JID). Supports Individuals (@c.us), Groups (@g.us), and Newsletters (@newsletter). Example:
	`string`		The ID of the message you want to react to. Example:
	`string`		The emoji reaction. Use an empty string to remove. 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/send/reaction";
3const params = new URLSearchParams({
4  "instance_id": "123456789",
5  "access_token": "YOUR_ACCESS_TOKEN"
6}).toString();
7const body = {
8  "chatId": "447441429009@c.us",
9  "messageId": "false_20123456789@c.us_3F351BFA105BA281C054",
10  "reaction": "👍"
11};
12
13fetch(`${baseUrl}${endpoint}${params ? '?' + params : ''}`, {
14  method: "PUT",
15  headers: { "Content-Type": "application/json" },
16  body: JSON.stringify(body)
17})
18  .then(async (response) => {
19    if (response.ok) {
20      const data = await response.json();
21      console.log("Success:", data);
22      return data;
23    }
24    
25    // Error Handling
26    if (response.status === 400) {
27      console.error("Error 400: Bad Request - Missing Required Parameter(s)");
28    }
29    if (response.status === 400) {
30      console.error("Error 400: Bad Request - Invalid Number (Egypt)");
31    }
32    if (response.status === 400) {
33      console.error("Error 400: Bad Request - Invalid Number (Saudi Arabia)");
34    }
35    if (response.status === 400) {
36      console.error("Error 400: Bad Request - Invalid Number (Unknown)");
37    }
38    if (response.status === 400) {
39      console.error("Error 400: Bad Request (XML Format)");
40    }
41    if (response.status === 400) {
42      console.error("Error 400: Bad Request (Plain Text)");
43    }
44    if (response.status === 401) {
45      console.error("Error 401: Unauthorized - Invalid or Missing Access Token");
46    }
47    if (response.status === 401) {
48      console.error("Error 401: Unauthorized (XML Format)");
49    }
50    if (response.status === 404) {
51      console.error("Error 404: Not Found - Session Does Not Exist");
52    }
53    if (response.status === 404) {
54      console.error("Error 404: Not Found (XML Format)");
55    }
56    if (response.status === 429) {
57      console.error("Error 429: Too Many Requests - Rate Limit Exceeded");
58    }
59    if (response.status === 500) {
60      console.error("Error 500: Internal Server Error - Unexpected Failure");
61    }
62    if (response.status === 500) {
63      console.error("Error 500: Internal Server Error (HTML)");
64    }
65    if (response.status === 502) {
66      console.error("Error 502: Bad Gateway - Connection Failed to Upstream");
67    }
68    if (response.status === 502) {
69      console.error("Error 502: Bad Gateway (XML Format)");
70    }
71
72    const errorText = await response.text();
73    console.error(`Error ${response.status}: ${errorText}`);
74  })
75  .catch((error) => console.error("Network Error:", error));

Interactive SamplesUTF-8

Ln 75, 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.

Message Sent Successfully

3 Variants

Type:

application/json

object *

string *

object *

number *

boolean *

string *

number *

string *

boolean *

number *

boolean *

array *

boolean *

array *

Example

{
"_data": {
  "id": {
    "fromMe": true,
    "remote": "000000000000@c.us",
    "id": "MSG_ID_123456",
    "_serialized": "true_000000000000@c.us_MSG_ID_123456"
    },
  "viewed": false,
  "body": "BASE64_IMAGE_DATA",
  "type": "image",
  "t": 1759108866,
  "from": {
    "server": "c.us",
    "user": "111111111111",
    "_serialized": "111111111111@c.us"
    },
  "to": {
    "server": "c.us",
    "user": "000000000000",
    "_serialized": "000000000000@c.us"
    },
  "ack": 0,
  "isNewMsg": true,
  "star": false,
  "kicNotified": false,
  "caption": "Here's your requested image.",
  "deprecatedMms3Url": "https://example.com/media-url",
  "directPath": "/media/direct/path/example",
  "mimetype": "image/jpeg",
  "filehash": "FILE_HASH_PLACEHOLDER",
  "encFilehash": "ENC_FILE_HASH_PLACEHOLDER",
  "size": 192487,
  "mediaKey": "MEDIA_KEY_PLACEHOLDER",
  "mediaKeyTimestamp": 1759108865,
  "streamable": false,
  "mediaHandle": null,
  "isFromTemplate": false,
  "pollInvalidated": false,
  "isSentCagPollCreation": false,
  "latestEditMsgKey": null,
  "latestEditSenderTimestampMs": null,
  "mentionedJidList": {
    },
  "groupMentions": {
    },
  "isEventCanceled": false,
  "eventInvalidated": false,
  "isVcardOverMmsDocument": false,
  "isForwarded": false,
  "isQuestion": false,
  "questionReplyQuotedMessage": null,
  "questionResponsesCount": 0,
  "readQuestionResponsesCount": 0,
  "labels": {
    },
  "hasReaction": false,
  "disappearingModeInitiator": "chat",
  "disappearingModeTrigger": "chat_settings",
  "productHeaderImageRejected": false,
  "lastPlaybackProgress": 0,
  "isDynamicReplyButtonsMsg": false,
  "isCarouselCard": false,
  "parentMsgId": null,
  "callSilenceReason": null,
  "isVideoCall": false,
  "callDuration": null,
  "callCreator": null,
  "callParticipants": null,
  "isCallLink": null,
  "callLinkToken": null,
  "isMdHistoryMsg": false,
  "stickerSentTs": 0,
  "lastUpdateFromServerTs": 0,
  "invokedBotWid": null,
  "bizBotType": null,
  "botResponseTargetId": null,
  "botPluginType": null,
  "botPluginReferenceIndex": null,
  "botPluginSearchProvider": null,
  "botPluginSearchUrl": null,
  "botPluginSearchQuery": null,
  "botPluginMaybeParent": false,
  "botReelPluginThumbnailCdnUrl": null,
  "botMessageDisclaimerText": null,
  "botMsgBodyType": null,
  "requiresDirectConnection": false,
  "bizContentPlaceholderType": null,
  "hostedBizEncStateMismatch": false,
  "senderOrRecipientAccountTypeHosted": false,
  "placeholderCreatedWhenAccountIsHosted": false,
  "galaxyFlowDisabled": false,
  "links": {
    }
  },
"mediaKey": "MEDIA_KEY_PLACEHOLDER",
"id": {
  "fromMe": true,
  "remote": "000000000000@c.us",
  "id": "MSG_ID_123456",
  "_serialized": "true_000000000000@c.us_MSG_ID_123456"
  },
"ack": 0,
"hasMedia": true,
"body": "Here's your requested image.",
"type": "image",
"timestamp": 1759108866,
"from": "111111111111@c.us",
"to": "000000000000@c.us",
"deviceType": "android",
"isForwarded": false,
"forwardingScore": 0,
"isStatus": false,
"isStarred": false,
"fromMe": true,
"hasQuotedMsg": false,
"hasReaction": false,
"vCards": {
  },
"mentionedIds": {
  },
"groupMentions": {
  },
"isGif": false,
"links": {
  }
}

Bad Request - Missing Required Parameter(s)

6 Variants

Unauthorized - Invalid or Missing Access Token

2 Variants

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