Respond to event
curl --request POST \
--url https://api.z-api.io/instances/{instanceId}/token/{token}/send-event-response \
--header 'Client-Token: <api-key>' \
--header 'Content-Type: application/json' \
--data '
{
"phone": "<string>",
"eventMessageId": "<string>",
"eventResponse": "<string>"
}
'import requests
url = "https://api.z-api.io/instances/{instanceId}/token/{token}/send-event-response"
payload = {
"phone": "<string>",
"eventMessageId": "<string>",
"eventResponse": "<string>"
}
headers = {
"Client-Token": "<api-key>",
"Content-Type": "application/json"
}
response = requests.post(url, json=payload, headers=headers)
print(response.text)const options = {
method: 'POST',
headers: {'Client-Token': '<api-key>', 'Content-Type': 'application/json'},
body: JSON.stringify({phone: '<string>', eventMessageId: '<string>', eventResponse: '<string>'})
};
fetch('https://api.z-api.io/instances/{instanceId}/token/{token}/send-event-response', options)
.then(res => res.json())
.then(res => console.log(res))
.catch(err => console.error(err));<?php
$curl = curl_init();
curl_setopt_array($curl, [
CURLOPT_URL => "https://api.z-api.io/instances/{instanceId}/token/{token}/send-event-response",
CURLOPT_RETURNTRANSFER => true,
CURLOPT_ENCODING => "",
CURLOPT_MAXREDIRS => 10,
CURLOPT_TIMEOUT => 30,
CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
CURLOPT_CUSTOMREQUEST => "POST",
CURLOPT_POSTFIELDS => json_encode([
'phone' => '<string>',
'eventMessageId' => '<string>',
'eventResponse' => '<string>'
]),
CURLOPT_HTTPHEADER => [
"Client-Token: <api-key>",
"Content-Type: application/json"
],
]);
$response = curl_exec($curl);
$err = curl_error($curl);
curl_close($curl);
if ($err) {
echo "cURL Error #:" . $err;
} else {
echo $response;
}package main
import (
"fmt"
"strings"
"net/http"
"io"
)
func main() {
url := "https://api.z-api.io/instances/{instanceId}/token/{token}/send-event-response"
payload := strings.NewReader("{\n \"phone\": \"<string>\",\n \"eventMessageId\": \"<string>\",\n \"eventResponse\": \"<string>\"\n}")
req, _ := http.NewRequest("POST", url, payload)
req.Header.Add("Client-Token", "<api-key>")
req.Header.Add("Content-Type", "application/json")
res, _ := http.DefaultClient.Do(req)
defer res.Body.Close()
body, _ := io.ReadAll(res.Body)
fmt.Println(string(body))
}HttpResponse<String> response = Unirest.post("https://api.z-api.io/instances/{instanceId}/token/{token}/send-event-response")
.header("Client-Token", "<api-key>")
.header("Content-Type", "application/json")
.body("{\n \"phone\": \"<string>\",\n \"eventMessageId\": \"<string>\",\n \"eventResponse\": \"<string>\"\n}")
.asString();require 'uri'
require 'net/http'
url = URI("https://api.z-api.io/instances/{instanceId}/token/{token}/send-event-response")
http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true
request = Net::HTTP::Post.new(url)
request["Client-Token"] = '<api-key>'
request["Content-Type"] = 'application/json'
request.body = "{\n \"phone\": \"<string>\",\n \"eventMessageId\": \"<string>\",\n \"eventResponse\": \"<string>\"\n}"
response = http.request(request)
puts response.read_bodyMessages
Respond to event
Send an attendance response to an event
POST
/
instances
/
{instanceId}
/
token
/
{token}
/
send-event-response
Respond to event
curl --request POST \
--url https://api.z-api.io/instances/{instanceId}/token/{token}/send-event-response \
--header 'Client-Token: <api-key>' \
--header 'Content-Type: application/json' \
--data '
{
"phone": "<string>",
"eventMessageId": "<string>",
"eventResponse": "<string>"
}
'import requests
url = "https://api.z-api.io/instances/{instanceId}/token/{token}/send-event-response"
payload = {
"phone": "<string>",
"eventMessageId": "<string>",
"eventResponse": "<string>"
}
headers = {
"Client-Token": "<api-key>",
"Content-Type": "application/json"
}
response = requests.post(url, json=payload, headers=headers)
print(response.text)const options = {
method: 'POST',
headers: {'Client-Token': '<api-key>', 'Content-Type': 'application/json'},
body: JSON.stringify({phone: '<string>', eventMessageId: '<string>', eventResponse: '<string>'})
};
fetch('https://api.z-api.io/instances/{instanceId}/token/{token}/send-event-response', options)
.then(res => res.json())
.then(res => console.log(res))
.catch(err => console.error(err));<?php
$curl = curl_init();
curl_setopt_array($curl, [
CURLOPT_URL => "https://api.z-api.io/instances/{instanceId}/token/{token}/send-event-response",
CURLOPT_RETURNTRANSFER => true,
CURLOPT_ENCODING => "",
CURLOPT_MAXREDIRS => 10,
CURLOPT_TIMEOUT => 30,
CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
CURLOPT_CUSTOMREQUEST => "POST",
CURLOPT_POSTFIELDS => json_encode([
'phone' => '<string>',
'eventMessageId' => '<string>',
'eventResponse' => '<string>'
]),
CURLOPT_HTTPHEADER => [
"Client-Token: <api-key>",
"Content-Type: application/json"
],
]);
$response = curl_exec($curl);
$err = curl_error($curl);
curl_close($curl);
if ($err) {
echo "cURL Error #:" . $err;
} else {
echo $response;
}package main
import (
"fmt"
"strings"
"net/http"
"io"
)
func main() {
url := "https://api.z-api.io/instances/{instanceId}/token/{token}/send-event-response"
payload := strings.NewReader("{\n \"phone\": \"<string>\",\n \"eventMessageId\": \"<string>\",\n \"eventResponse\": \"<string>\"\n}")
req, _ := http.NewRequest("POST", url, payload)
req.Header.Add("Client-Token", "<api-key>")
req.Header.Add("Content-Type", "application/json")
res, _ := http.DefaultClient.Do(req)
defer res.Body.Close()
body, _ := io.ReadAll(res.Body)
fmt.Println(string(body))
}HttpResponse<String> response = Unirest.post("https://api.z-api.io/instances/{instanceId}/token/{token}/send-event-response")
.header("Client-Token", "<api-key>")
.header("Content-Type", "application/json")
.body("{\n \"phone\": \"<string>\",\n \"eventMessageId\": \"<string>\",\n \"eventResponse\": \"<string>\"\n}")
.asString();require 'uri'
require 'net/http'
url = URI("https://api.z-api.io/instances/{instanceId}/token/{token}/send-event-response")
http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true
request = Net::HTTP::Post.new(url)
request["Client-Token"] = '<api-key>'
request["Content-Type"] = 'application/json'
request.body = "{\n \"phone\": \"<string>\",\n \"eventMessageId\": \"<string>\",\n \"eventResponse\": \"<string>\"\n}"
response = http.request(request)
puts response.read_bodyOverview
With this method you can send response messages to an event.You cannot respond to an event you created yourself. Your response will always be marked as “confirmed presence”.
Example on WhatsApp

Attributes
Header
Your instance ID. Available in the Z-API panel under Instances.
Your Z-API instance token.
Required
Recipient group ID
Original event message ID
Event response:
GOING or NOT_GOINGRequest Body
{
"phone": "120363019502650977-group",
"eventMessageId": "D2D612289D9E8F62307D72409A8D9DC3",
"eventResponse": "GOING"
}
Response
200
{
"zaapId": "3999984263738042930CD6ECDE9VDWSA",
"messageId": "D241XXXX732339502B68",
"id": "D241XXXX732339502B68"
}
405
Make sure you are correctly sending the method specification, that is, verify that you sent POST or GET as specified at the beginning of this topic.415
If you receive a 415 error, make sure to add the “Content-Type” header to your request, which in most cases is “application/json”.⌘I