curl --request POST \
  --url https://api.wabox.me/instances/{instance_id}/token/{token}/send-button-pix \
  --header 'Content-Type: application/json' \
  --data '
{
  "phone": "5511988887777",
  "name": "Wabox Store LTDA",
  "key": "12345678000199",
  "key_type": "cnpj"
}
'

const options = {
  method: 'POST',
  headers: {'Content-Type': 'application/json'},
  body: JSON.stringify({
    phone: '5511988887777',
    name: 'Wabox Store LTDA',
    key: '12345678000199',
    key_type: 'cnpj'
  })
};

fetch('https://api.wabox.me/instances/{instance_id}/token/{token}/send-button-pix', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

import requests

url = "https://api.wabox.me/instances/{instance_id}/token/{token}/send-button-pix"

payload = {
    "phone": "5511988887777",
    "name": "Wabox Store LTDA",
    "key": "12345678000199",
    "key_type": "cnpj"
}
headers = {"Content-Type": "application/json"}

response = requests.post(url, json=payload, headers=headers)

print(response.text)

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://api.wabox.me/instances/{instance_id}/token/{token}/send-button-pix",
  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' => '5511988887777',
    'name' => 'Wabox Store LTDA',
    'key' => '12345678000199',
    'key_type' => 'cnpj'
  ]),
  CURLOPT_HTTPHEADER => [
    "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.wabox.me/instances/{instance_id}/token/{token}/send-button-pix"

	payload := strings.NewReader("{\n  \"phone\": \"5511988887777\",\n  \"name\": \"Wabox Store LTDA\",\n  \"key\": \"12345678000199\",\n  \"key_type\": \"cnpj\"\n}")

	req, _ := http.NewRequest("POST", url, payload)

	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))

}

{
  "id": "3EB0A9C6D2F1E4B5A7C8",
  "message_id": "3EB0A9C6D2F1E4B5A7C8",
  "wabox_id": "wbx_01J5Q8ZK3M4N5P6Q7R8S9T0M01",
  "status": "queued"
}

{
  "error": {
    "code": "instance_not_found",
    "message": "Instance not found or invalid token"
  }
}

{
  "error": {
    "code": "subscription_required",
    "message": "Instance subscription is not active"
  }
}