Basic conversion
curl -X POST https://api.superdoc.dev/v1/convert?from=docx \
-H "Authorization: Bearer YOUR_API_KEY" \
-F "file=@document.docx" \
-o output.pdfconst formData = new FormData();
formData.append('file', fileInput.files[0]);
const response = await fetch('https://api.superdoc.dev/v1/convert?from=docx', {
method: 'POST',
headers: { 'Authorization': 'Bearer YOUR_API_KEY' },
body: formData
});
const pdf = await response.blob();
downloadBlob(pdf, 'converted.pdf');import requests
with open('document.docx', 'rb') as f:
response = requests.post(
'https://api.superdoc.dev/v1/convert?from=docx',
headers={'Authorization': 'Bearer YOUR_API_KEY'},
files={'file': f}
)
with open('converted.pdf', 'wb') as pdf:
pdf.write(response.content)<?php
$curl = curl_init();
curl_setopt_array($curl, [
CURLOPT_URL => "https://api.superdoc.dev/v1/convert",
CURLOPT_RETURNTRANSFER => true,
CURLOPT_ENCODING => "",
CURLOPT_MAXREDIRS => 10,
CURLOPT_TIMEOUT => 30,
CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
CURLOPT_CUSTOMREQUEST => "POST",
CURLOPT_HTTPHEADER => [
"Authorization: Bearer <token>"
],
]);
$response = curl_exec($curl);
$err = curl_error($curl);
curl_close($curl);
if ($err) {
echo "cURL Error #:" . $err;
} else {
echo $response;
}package main
import (
"fmt"
"net/http"
"io"
)
func main() {
url := "https://api.superdoc.dev/v1/convert"
req, _ := http.NewRequest("POST", url, nil)
req.Header.Add("Authorization", "Bearer <token>")
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.superdoc.dev/v1/convert")
.header("Authorization", "Bearer <token>")
.asString();require 'uri'
require 'net/http'
url = URI("https://api.superdoc.dev/v1/convert")
http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true
request = Net::HTTP::Post.new(url)
request["Authorization"] = 'Bearer <token>'
response = http.request(request)
puts response.read_body"<string>"{
"code": "INVALID_FILE_FORMAT",
"error": "Bad Request",
"message": "File is not a valid DOCX",
"requestId": "req_abc123"
}{
"code": "INVALID_FILE_FORMAT",
"error": "Bad Request",
"message": "File is not a valid DOCX",
"requestId": "req_abc123"
}{
"code": "INVALID_FILE_FORMAT",
"error": "Bad Request",
"message": "File is not a valid DOCX",
"requestId": "req_abc123"
}{
"code": "INVALID_FILE_FORMAT",
"error": "Bad Request",
"message": "File is not a valid DOCX",
"requestId": "req_abc123"
}Document Operations
Convert
Convert documents between formats.
Supported Conversions
- DOCX → PDF: Convert Word documents to PDF
- Markdown → DOCX: Convert Markdown to Word documents
- HTML → DOCX: Convert HTML to Word documents
Examples
# Convert DOCX to PDF
curl -X POST "https://api.superdoc.dev/v1/convert?from=docx&to=pdf" \
-H "Authorization: Bearer YOUR_API_KEY" \
-F "file=@document.docx" \
-o output.pdf
# Convert Markdown to DOCX
curl -X POST "https://api.superdoc.dev/v1/convert?from=md&to=docx" \
-H "Authorization: Bearer YOUR_API_KEY" \
-F "file=@document.md" \
-o output.docx
# Convert HTML to DOCX
curl -X POST "https://api.superdoc.dev/v1/convert?from=html&to=docx" \
-H "Authorization: Bearer YOUR_API_KEY" \
-F "file=@document.html" \
-o output.docx
Limitations
- File size: 25MB maximum
- Concurrent requests: 10 per API key
POST
/
v1
/
convert
Basic conversion
curl -X POST https://api.superdoc.dev/v1/convert?from=docx \
-H "Authorization: Bearer YOUR_API_KEY" \
-F "file=@document.docx" \
-o output.pdfconst formData = new FormData();
formData.append('file', fileInput.files[0]);
const response = await fetch('https://api.superdoc.dev/v1/convert?from=docx', {
method: 'POST',
headers: { 'Authorization': 'Bearer YOUR_API_KEY' },
body: formData
});
const pdf = await response.blob();
downloadBlob(pdf, 'converted.pdf');import requests
with open('document.docx', 'rb') as f:
response = requests.post(
'https://api.superdoc.dev/v1/convert?from=docx',
headers={'Authorization': 'Bearer YOUR_API_KEY'},
files={'file': f}
)
with open('converted.pdf', 'wb') as pdf:
pdf.write(response.content)<?php
$curl = curl_init();
curl_setopt_array($curl, [
CURLOPT_URL => "https://api.superdoc.dev/v1/convert",
CURLOPT_RETURNTRANSFER => true,
CURLOPT_ENCODING => "",
CURLOPT_MAXREDIRS => 10,
CURLOPT_TIMEOUT => 30,
CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
CURLOPT_CUSTOMREQUEST => "POST",
CURLOPT_HTTPHEADER => [
"Authorization: Bearer <token>"
],
]);
$response = curl_exec($curl);
$err = curl_error($curl);
curl_close($curl);
if ($err) {
echo "cURL Error #:" . $err;
} else {
echo $response;
}package main
import (
"fmt"
"net/http"
"io"
)
func main() {
url := "https://api.superdoc.dev/v1/convert"
req, _ := http.NewRequest("POST", url, nil)
req.Header.Add("Authorization", "Bearer <token>")
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.superdoc.dev/v1/convert")
.header("Authorization", "Bearer <token>")
.asString();require 'uri'
require 'net/http'
url = URI("https://api.superdoc.dev/v1/convert")
http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true
request = Net::HTTP::Post.new(url)
request["Authorization"] = 'Bearer <token>'
response = http.request(request)
puts response.read_body"<string>"{
"code": "INVALID_FILE_FORMAT",
"error": "Bad Request",
"message": "File is not a valid DOCX",
"requestId": "req_abc123"
}{
"code": "INVALID_FILE_FORMAT",
"error": "Bad Request",
"message": "File is not a valid DOCX",
"requestId": "req_abc123"
}{
"code": "INVALID_FILE_FORMAT",
"error": "Bad Request",
"message": "File is not a valid DOCX",
"requestId": "req_abc123"
}{
"code": "INVALID_FILE_FORMAT",
"error": "Bad Request",
"message": "File is not a valid DOCX",
"requestId": "req_abc123"
}Authorizations
API key authentication. Keys start with sd_
Query Parameters
Format of the uploaded file
Available options:
docx, md, html Target format for conversion. Defaults to PDF for backward compatibility
Available options:
pdf, docx Response
Converted file
The response is of type file.
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