Obter mídia como base64

curl --request POST \
  --url https://pilotstatus.com.br/api/layer/evolution-v2/chat/getBase64FromMediaMessage/{instance} \
  --header 'Content-Type: application/json' \
  --header 'apikey: <api-key>' \
  --data '
{
  "message": {
    "key": {
      "id": "BAE5F5A632EAE722",
      "remoteJid": "5511999999999@s.whatsapp.net",
      "fromMe": false
    }
  },
  "message.key": {},
  "convertToMp4": false
}
'

import requests

url = "https://pilotstatus.com.br/api/layer/evolution-v2/chat/getBase64FromMediaMessage/{instance}"

payload = {
    "message": { "key": {
            "id": "BAE5F5A632EAE722",
            "remoteJid": "5511999999999@s.whatsapp.net",
            "fromMe": False
        } },
    "message.key": {},
    "convertToMp4": False
}
headers = {
    "apikey": "<api-key>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {apikey: '<api-key>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    message: {
      key: {
        id: 'BAE5F5A632EAE722',
        remoteJid: '5511999999999@s.whatsapp.net',
        fromMe: false
      }
    },
    'message.key': {},
    convertToMp4: false
  })
};

fetch('https://pilotstatus.com.br/api/layer/evolution-v2/chat/getBase64FromMediaMessage/{instance}', 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://pilotstatus.com.br/api/layer/evolution-v2/chat/getBase64FromMediaMessage/{instance}",
  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([
    'message' => [
        'key' => [
                'id' => 'BAE5F5A632EAE722',
                'remoteJid' => '5511999999999@s.whatsapp.net',
                'fromMe' => false
        ]
    ],
    'message.key' => [
        
    ],
    'convertToMp4' => false
  ]),
  CURLOPT_HTTPHEADER => [
    "Content-Type: application/json",
    "apikey: <api-key>"
  ],
]);

$response = curl_exec($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://pilotstatus.com.br/api/layer/evolution-v2/chat/getBase64FromMediaMessage/{instance}"

	payload := strings.NewReader("{\n  \"message\": {\n    \"key\": {\n      \"id\": \"BAE5F5A632EAE722\",\n      \"remoteJid\": \"5511999999999@s.whatsapp.net\",\n      \"fromMe\": false\n    }\n  },\n  \"message.key\": {},\n  \"convertToMp4\": false\n}")

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

	req.Header.Add("apikey", "<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://pilotstatus.com.br/api/layer/evolution-v2/chat/getBase64FromMediaMessage/{instance}")
  .header("apikey", "<api-key>")
  .header("Content-Type", "application/json")
  .body("{\n  \"message\": {\n    \"key\": {\n      \"id\": \"BAE5F5A632EAE722\",\n      \"remoteJid\": \"5511999999999@s.whatsapp.net\",\n      \"fromMe\": false\n    }\n  },\n  \"message.key\": {},\n  \"convertToMp4\": false\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://pilotstatus.com.br/api/layer/evolution-v2/chat/getBase64FromMediaMessage/{instance}")

http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true

request = Net::HTTP::Post.new(url)
request["apikey"] = '<api-key>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"message\": {\n    \"key\": {\n      \"id\": \"BAE5F5A632EAE722\",\n      \"remoteJid\": \"5511999999999@s.whatsapp.net\",\n      \"fromMe\": false\n    }\n  },\n  \"message.key\": {},\n  \"convertToMp4\": false\n}"

response = http.request(request)
puts response.read_body

{
  "mediaType": "imageMessage",
  "fileName": "BAE5F5A632EAE722.jpg",
  "caption": "Look at this!",
  "size": {
    "fileLength": "24680",
    "height": 1280,
    "width": 720
  },
  "mimetype": "image/jpeg",
  "base64": "/9j/4AAQSkZJRgABAQEAYABgAAD/2wBDAAgGBgcGBQgHBwcJCQgKDBQNDAsLDBkSEw8UHRof...",
  "buffer": null
}

{
  "status": 400,
  "error": "Bad Request",
  "message": "Invalid payload"
}