Send Document
curl --request POST \
--url https://api.flowiq.live/send-whatsapp \
--header 'Authorization: Bearer <token>' \
--header 'Content-Type: application/json' \
--data '
{
"phone_number": "+27123456789",
"message_type": "document",
"media_url": "https://example.com/invoice.pdf",
"filename": "Invoice_2025.pdf",
"caption": "Please find your invoice attached",
"context_message_id": "wamid.HBgLMjc4MTIzNDU2NzgVAgASGBQzRUI..."
}
'import requests
url = "https://api.flowiq.live/send-whatsapp"
payload = {
"phone_number": "+27123456789",
"message_type": "document",
"media_url": "https://example.com/invoice.pdf",
"filename": "Invoice_2025.pdf",
"caption": "Please find your invoice attached",
"context_message_id": "wamid.HBgLMjc4MTIzNDU2NzgVAgASGBQzRUI..."
}
headers = {
"Authorization": "Bearer <token>",
"Content-Type": "application/json"
}
response = requests.post(url, json=payload, headers=headers)
print(response.text)const options = {
method: 'POST',
headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
body: JSON.stringify({
phone_number: '+27123456789',
message_type: 'document',
media_url: 'https://example.com/invoice.pdf',
filename: 'Invoice_2025.pdf',
caption: 'Please find your invoice attached',
context_message_id: 'wamid.HBgLMjc4MTIzNDU2NzgVAgASGBQzRUI...'
})
};
fetch('https://api.flowiq.live/send-whatsapp', 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.flowiq.live/send-whatsapp",
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_number' => '+27123456789',
'message_type' => 'document',
'media_url' => 'https://example.com/invoice.pdf',
'filename' => 'Invoice_2025.pdf',
'caption' => 'Please find your invoice attached',
'context_message_id' => 'wamid.HBgLMjc4MTIzNDU2NzgVAgASGBQzRUI...'
]),
CURLOPT_HTTPHEADER => [
"Authorization: Bearer <token>",
"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.flowiq.live/send-whatsapp"
payload := strings.NewReader("{\n \"phone_number\": \"+27123456789\",\n \"message_type\": \"document\",\n \"media_url\": \"https://example.com/invoice.pdf\",\n \"filename\": \"Invoice_2025.pdf\",\n \"caption\": \"Please find your invoice attached\",\n \"context_message_id\": \"wamid.HBgLMjc4MTIzNDU2NzgVAgASGBQzRUI...\"\n}")
req, _ := http.NewRequest("POST", url, payload)
req.Header.Add("Authorization", "Bearer <token>")
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.flowiq.live/send-whatsapp")
.header("Authorization", "Bearer <token>")
.header("Content-Type", "application/json")
.body("{\n \"phone_number\": \"+27123456789\",\n \"message_type\": \"document\",\n \"media_url\": \"https://example.com/invoice.pdf\",\n \"filename\": \"Invoice_2025.pdf\",\n \"caption\": \"Please find your invoice attached\",\n \"context_message_id\": \"wamid.HBgLMjc4MTIzNDU2NzgVAgASGBQzRUI...\"\n}")
.asString();require 'uri'
require 'net/http'
url = URI("https://api.flowiq.live/send-whatsapp")
http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true
request = Net::HTTP::Post.new(url)
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{\n \"phone_number\": \"+27123456789\",\n \"message_type\": \"document\",\n \"media_url\": \"https://example.com/invoice.pdf\",\n \"filename\": \"Invoice_2025.pdf\",\n \"caption\": \"Please find your invoice attached\",\n \"context_message_id\": \"wamid.HBgLMjc4MTIzNDU2NzgVAgASGBQzRUI...\"\n}"
response = http.request(request)
puts response.read_body{
"success": true,
"message": "Message sent successfully",
"data": {
"message_id": "wamid.HBgLMjc4MTIzNDU2NzgVAgASGBQzRUI...",
"recipient": "27123456789",
"message_type": "<string>"
}
}{
"error": "<string>",
"message": "<string>"
}{
"error": "<string>",
"message": "<string>"
}{
"error": "<string>",
"message": "<string>"
}{
"error": "<string>",
"message": "<string>"
}Endpoints
Send Document
Send a document message with an optional filename and caption to an existing contact.
POST
/
send-whatsapp
Send Document
curl --request POST \
--url https://api.flowiq.live/send-whatsapp \
--header 'Authorization: Bearer <token>' \
--header 'Content-Type: application/json' \
--data '
{
"phone_number": "+27123456789",
"message_type": "document",
"media_url": "https://example.com/invoice.pdf",
"filename": "Invoice_2025.pdf",
"caption": "Please find your invoice attached",
"context_message_id": "wamid.HBgLMjc4MTIzNDU2NzgVAgASGBQzRUI..."
}
'import requests
url = "https://api.flowiq.live/send-whatsapp"
payload = {
"phone_number": "+27123456789",
"message_type": "document",
"media_url": "https://example.com/invoice.pdf",
"filename": "Invoice_2025.pdf",
"caption": "Please find your invoice attached",
"context_message_id": "wamid.HBgLMjc4MTIzNDU2NzgVAgASGBQzRUI..."
}
headers = {
"Authorization": "Bearer <token>",
"Content-Type": "application/json"
}
response = requests.post(url, json=payload, headers=headers)
print(response.text)const options = {
method: 'POST',
headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
body: JSON.stringify({
phone_number: '+27123456789',
message_type: 'document',
media_url: 'https://example.com/invoice.pdf',
filename: 'Invoice_2025.pdf',
caption: 'Please find your invoice attached',
context_message_id: 'wamid.HBgLMjc4MTIzNDU2NzgVAgASGBQzRUI...'
})
};
fetch('https://api.flowiq.live/send-whatsapp', 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.flowiq.live/send-whatsapp",
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_number' => '+27123456789',
'message_type' => 'document',
'media_url' => 'https://example.com/invoice.pdf',
'filename' => 'Invoice_2025.pdf',
'caption' => 'Please find your invoice attached',
'context_message_id' => 'wamid.HBgLMjc4MTIzNDU2NzgVAgASGBQzRUI...'
]),
CURLOPT_HTTPHEADER => [
"Authorization: Bearer <token>",
"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.flowiq.live/send-whatsapp"
payload := strings.NewReader("{\n \"phone_number\": \"+27123456789\",\n \"message_type\": \"document\",\n \"media_url\": \"https://example.com/invoice.pdf\",\n \"filename\": \"Invoice_2025.pdf\",\n \"caption\": \"Please find your invoice attached\",\n \"context_message_id\": \"wamid.HBgLMjc4MTIzNDU2NzgVAgASGBQzRUI...\"\n}")
req, _ := http.NewRequest("POST", url, payload)
req.Header.Add("Authorization", "Bearer <token>")
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.flowiq.live/send-whatsapp")
.header("Authorization", "Bearer <token>")
.header("Content-Type", "application/json")
.body("{\n \"phone_number\": \"+27123456789\",\n \"message_type\": \"document\",\n \"media_url\": \"https://example.com/invoice.pdf\",\n \"filename\": \"Invoice_2025.pdf\",\n \"caption\": \"Please find your invoice attached\",\n \"context_message_id\": \"wamid.HBgLMjc4MTIzNDU2NzgVAgASGBQzRUI...\"\n}")
.asString();require 'uri'
require 'net/http'
url = URI("https://api.flowiq.live/send-whatsapp")
http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true
request = Net::HTTP::Post.new(url)
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{\n \"phone_number\": \"+27123456789\",\n \"message_type\": \"document\",\n \"media_url\": \"https://example.com/invoice.pdf\",\n \"filename\": \"Invoice_2025.pdf\",\n \"caption\": \"Please find your invoice attached\",\n \"context_message_id\": \"wamid.HBgLMjc4MTIzNDU2NzgVAgASGBQzRUI...\"\n}"
response = http.request(request)
puts response.read_body{
"success": true,
"message": "Message sent successfully",
"data": {
"message_id": "wamid.HBgLMjc4MTIzNDU2NzgVAgASGBQzRUI...",
"recipient": "27123456789",
"message_type": "<string>"
}
}{
"error": "<string>",
"message": "<string>"
}{
"error": "<string>",
"message": "<string>"
}{
"error": "<string>",
"message": "<string>"
}{
"error": "<string>",
"message": "<string>"
}Basic Usage
curl -X POST "https://api.flowiq.live/send-whatsapp" \
-H "Authorization: Bearer fiq_YOUR_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"phone_number": "+27123456789",
"message_type": "document",
"media_url": "https://example.com/invoice.pdf",
"filename": "Invoice_2025.pdf",
"caption": "Please find your invoice attached"
}'
Request Body
| Field | Type | Required | Description |
|---|---|---|---|
phone_number | string | Yes | Recipient phone number with country code |
message_type | string | Yes | Must be "document" |
media_url | string | Yes | Publicly accessible URL to the document |
filename | string | No | Display filename shown to the recipient |
caption | string | No | Optional caption |
context_message_id | string | No | WhatsApp message ID to reply to |
Supported formats: PDF, DOC, DOCX, XLS, XLSX, PPT, PPTX.
{
"phone_number": "+27123456789",
"message_type": "document",
"media_url": "https://example.com/invoice.pdf",
"filename": "Invoice_2025.pdf",
"caption": "Please find your invoice attached"
}
Response
Success (200)
{
"success": true,
"message": "Message sent successfully",
"data": {
"message_id": "wamid.HBgLMjc4MTIzNDU2NzgVAgASGBQzRUI...",
"recipient": "27123456789",
"message_type": "document"
}
}
Error: Missing Required Field (400)
{
"error": "Missing required field",
"message": "media_url is required for media messages"
}
Integration Example
async function sendDocument(apiKey, phoneNumber, mediaUrl, filename, caption) {
const response = await fetch(
`https://api.flowiq.live/send-whatsapp`,
{
method: "POST",
headers: {
Authorization: `Bearer ${apiKey}`,
"Content-Type": "application/json",
},
body: JSON.stringify({ phone_number: phoneNumber, message_type: "document", media_url: mediaUrl, filename, caption }),
}
);
const data = await response.json();
if (!response.ok) throw new Error(data.message);
return data;
}
Media URLs
Ensure the document URL is publicly accessible. The API needs to download the
file before uploading to Meta.
Authorizations
Bearer token for authentication. Format: Bearer YOUR_BEARER_TOKEN
Body
application/json
Recipient phone number with country code
Example:
"+27123456789"
Must be "document"
Available options:
document Example:
"document"
Publicly accessible URL to the document file
Example:
"https://example.com/invoice.pdf"
Display filename shown to the recipient
Example:
"Invoice_2025.pdf"
Optional caption for the document
Example:
"Please find your invoice attached"
WhatsApp message ID to reply to
Example:
"wamid.HBgLMjc4MTIzNDU2NzgVAgASGBQzRUI..."
⌘I

