WhatsApp API
Upload Media
Upload a file to ChatSyncs to get a media_id and media_type for use with the Send File API, via multipart/form-data. Use when a developer asks how to send the same file to many recipients without re-uploading it each time.
POST
/
whatsapp
/
upload
/
media
Upload Media
curl --request POST \
--url https://platform.chatsyncs.com/api/v1/whatsapp/upload/media \
--header 'Content-Type: multipart/form-data' \
--form apiToken=API-KEY \
--form phone_number_id=PHONE-NUMBER-ID \
--form media_file='@example-file'import requests
url = "https://platform.chatsyncs.com/api/v1/whatsapp/upload/media"
files = { "media_file": ("example-file", open("example-file", "rb")) }
payload = {
"apiToken": "API-KEY",
"phone_number_id": "PHONE-NUMBER-ID"
}
response = requests.post(url, data=payload, files=files)
print(response.text)const form = new FormData();
form.append('apiToken', 'API-KEY');
form.append('phone_number_id', 'PHONE-NUMBER-ID');
form.append('media_file', '<string>');
const options = {method: 'POST'};
options.body = form;
fetch('https://platform.chatsyncs.com/api/v1/whatsapp/upload/media', 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://platform.chatsyncs.com/api/v1/whatsapp/upload/media",
CURLOPT_RETURNTRANSFER => true,
CURLOPT_ENCODING => "",
CURLOPT_MAXREDIRS => 10,
CURLOPT_TIMEOUT => 30,
CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
CURLOPT_CUSTOMREQUEST => "POST",
CURLOPT_POSTFIELDS => "-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"apiToken\"\r\n\r\nAPI-KEY\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"phone_number_id\"\r\n\r\nPHONE-NUMBER-ID\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"media_file\"; filename=\"example-file\"\r\nContent-Type: application/octet-stream\r\n\r\n<string>\r\n-----011000010111000001101001--",
CURLOPT_HTTPHEADER => [
"Content-Type: multipart/form-data"
],
]);
$response = curl_exec($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://platform.chatsyncs.com/api/v1/whatsapp/upload/media"
payload := strings.NewReader("-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"apiToken\"\r\n\r\nAPI-KEY\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"phone_number_id\"\r\n\r\nPHONE-NUMBER-ID\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"media_file\"; filename=\"example-file\"\r\nContent-Type: application/octet-stream\r\n\r\n<string>\r\n-----011000010111000001101001--")
req, _ := http.NewRequest("POST", url, payload)
res, _ := http.DefaultClient.Do(req)
defer res.Body.Close()
body, _ := io.ReadAll(res.Body)
fmt.Println(string(body))
}HttpResponse<String> response = Unirest.post("https://platform.chatsyncs.com/api/v1/whatsapp/upload/media")
.body("-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"apiToken\"\r\n\r\nAPI-KEY\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"phone_number_id\"\r\n\r\nPHONE-NUMBER-ID\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"media_file\"; filename=\"example-file\"\r\nContent-Type: application/octet-stream\r\n\r\n<string>\r\n-----011000010111000001101001--")
.asString();require 'uri'
require 'net/http'
url = URI("https://platform.chatsyncs.com/api/v1/whatsapp/upload/media")
http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true
request = Net::HTTP::Post.new(url)
request.body = "-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"apiToken\"\r\n\r\nAPI-KEY\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"phone_number_id\"\r\n\r\nPHONE-NUMBER-ID\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"media_file\"; filename=\"example-file\"\r\nContent-Type: application/octet-stream\r\n\r\n<string>\r\n-----011000010111000001101001--"
response = http.request(request)
puts response.read_body{
"status": "1",
"media_id": "1739230482390482",
"media_type": "image",
"message": "Upload successful. Use media_id and media_type with the Send File API."
}
Uploads a file and returns a
media_id and media_type you can reuse across multiple
Send File or
Send Interactive Buttons calls, instead of
hosting the file at a public URL.
This endpoint requires
multipart/form-data — it’s POST-only, unlike most other endpoints in
this API.Body
multipart/form-data
Your ChatSyncs API key (can also be sent as Authorization: Bearer token) -- not a WhatsApp/Meta token.
Example:
"API-KEY"
The WhatsApp account's phone number ID. Where to find it.
Example:
"PHONE-NUMBER-ID"
The file to upload. The multipart field name must be exactly media_file.
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⌘I
Upload Media
curl --request POST \
--url https://platform.chatsyncs.com/api/v1/whatsapp/upload/media \
--header 'Content-Type: multipart/form-data' \
--form apiToken=API-KEY \
--form phone_number_id=PHONE-NUMBER-ID \
--form media_file='@example-file'import requests
url = "https://platform.chatsyncs.com/api/v1/whatsapp/upload/media"
files = { "media_file": ("example-file", open("example-file", "rb")) }
payload = {
"apiToken": "API-KEY",
"phone_number_id": "PHONE-NUMBER-ID"
}
response = requests.post(url, data=payload, files=files)
print(response.text)const form = new FormData();
form.append('apiToken', 'API-KEY');
form.append('phone_number_id', 'PHONE-NUMBER-ID');
form.append('media_file', '<string>');
const options = {method: 'POST'};
options.body = form;
fetch('https://platform.chatsyncs.com/api/v1/whatsapp/upload/media', 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://platform.chatsyncs.com/api/v1/whatsapp/upload/media",
CURLOPT_RETURNTRANSFER => true,
CURLOPT_ENCODING => "",
CURLOPT_MAXREDIRS => 10,
CURLOPT_TIMEOUT => 30,
CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
CURLOPT_CUSTOMREQUEST => "POST",
CURLOPT_POSTFIELDS => "-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"apiToken\"\r\n\r\nAPI-KEY\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"phone_number_id\"\r\n\r\nPHONE-NUMBER-ID\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"media_file\"; filename=\"example-file\"\r\nContent-Type: application/octet-stream\r\n\r\n<string>\r\n-----011000010111000001101001--",
CURLOPT_HTTPHEADER => [
"Content-Type: multipart/form-data"
],
]);
$response = curl_exec($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://platform.chatsyncs.com/api/v1/whatsapp/upload/media"
payload := strings.NewReader("-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"apiToken\"\r\n\r\nAPI-KEY\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"phone_number_id\"\r\n\r\nPHONE-NUMBER-ID\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"media_file\"; filename=\"example-file\"\r\nContent-Type: application/octet-stream\r\n\r\n<string>\r\n-----011000010111000001101001--")
req, _ := http.NewRequest("POST", url, payload)
res, _ := http.DefaultClient.Do(req)
defer res.Body.Close()
body, _ := io.ReadAll(res.Body)
fmt.Println(string(body))
}HttpResponse<String> response = Unirest.post("https://platform.chatsyncs.com/api/v1/whatsapp/upload/media")
.body("-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"apiToken\"\r\n\r\nAPI-KEY\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"phone_number_id\"\r\n\r\nPHONE-NUMBER-ID\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"media_file\"; filename=\"example-file\"\r\nContent-Type: application/octet-stream\r\n\r\n<string>\r\n-----011000010111000001101001--")
.asString();require 'uri'
require 'net/http'
url = URI("https://platform.chatsyncs.com/api/v1/whatsapp/upload/media")
http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true
request = Net::HTTP::Post.new(url)
request.body = "-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"apiToken\"\r\n\r\nAPI-KEY\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"phone_number_id\"\r\n\r\nPHONE-NUMBER-ID\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"media_file\"; filename=\"example-file\"\r\nContent-Type: application/octet-stream\r\n\r\n<string>\r\n-----011000010111000001101001--"
response = http.request(request)
puts response.read_body{
"status": "1",
"media_id": "1739230482390482",
"media_type": "image",
"message": "Upload successful. Use media_id and media_type with the Send File API."
}

