curl -X POST "https://api-integration.ollang.com/integration/folder/60b8d6f1e1b9b1d8c6c0d8e1/docs" \
  -H "X-Api-Key: <your-api-key>" \
  -H "Content-Type: application/json" \
  -d '{
    "url": "https://your-bucket.s3.amazonaws.com/brand-guideline-v3.pdf?X-Amz-Signature=...",
    "type": "guideline",
    "name": "Brand guideline v3",
    "size": 481203,
    "language": "en"
  }'

const folderId = "60b8d6f1e1b9b1d8c6c0d8e1";

const response = await fetch(
  `https://api-integration.ollang.com/integration/folder/${folderId}/docs`,
  {
    method: "POST",
    headers: {
      "X-Api-Key": "<your-api-key>",
      "Content-Type": "application/json",
    },
    body: JSON.stringify({
      url: "https://your-bucket.s3.amazonaws.com/brand-guideline-v3.pdf?X-Amz-Signature=...",
      type: "guideline",
      name: "Brand guideline v3",
      language: "en",
    }),
  },
);

const doc = await response.json();
console.log("Attached document:", doc.id);

import requests

folder_id = "60b8d6f1e1b9b1d8c6c0d8e1"

response = requests.post(
    f"https://api-integration.ollang.com/integration/folder/{folder_id}/docs",
    headers={
        "X-Api-Key": "<your-api-key>",
        "Content-Type": "application/json",
    },
    json={
        "url": "https://your-bucket.s3.amazonaws.com/brand-guideline-v3.pdf?X-Amz-Signature=...",
        "type": "guideline",
        "name": "Brand guideline v3",
        "language": "en",
    },
)

doc = response.json()
print("Attached document:", doc["id"])

$folderId = '60b8d6f1e1b9b1d8c6c0d8e1';

$payload = json_encode([
    'url' => 'https://your-bucket.s3.amazonaws.com/brand-guideline-v3.pdf?X-Amz-Signature=...',
    'type' => 'guideline',
    'name' => 'Brand guideline v3',
    'language' => 'en',
]);

$curl = curl_init();

curl_setopt_array($curl, array(
    CURLOPT_URL => "https://api-integration.ollang.com/integration/folder/{$folderId}/docs",
    CURLOPT_RETURNTRANSFER => true,
    CURLOPT_POST => true,
    CURLOPT_POSTFIELDS => $payload,
    CURLOPT_HTTPHEADER => array(
        'X-Api-Key: <your-api-key>',
        'Content-Type: application/json'
    ),
));

$response = curl_exec($curl);
$doc = json_decode($response, true);
curl_close($curl);

echo "Attached document: " . $doc['id'];

package main

import (
    "bytes"
    "encoding/json"
    "fmt"
    "io"
    "net/http"
)

func main() {
    folderID := "60b8d6f1e1b9b1d8c6c0d8e1"
    url := "https://api-integration.ollang.com/integration/folder/" + folderID + "/docs"

    payload, _ := json.Marshal(map[string]interface{}{
        "url":      "https://your-bucket.s3.amazonaws.com/brand-guideline-v3.pdf?X-Amz-Signature=...",
        "type":     "guideline",
        "name":     "Brand guideline v3",
        "language": "en",
    })

    req, _ := http.NewRequest("POST", url, bytes.NewBuffer(payload))
    req.Header.Set("X-Api-Key", "<your-api-key>")
    req.Header.Set("Content-Type", "application/json")

    client := &http.Client{}
    resp, _ := client.Do(req)
    defer resp.Body.Close()

    body, _ := io.ReadAll(resp.Body)

    var doc map[string]interface{}
    json.Unmarshal(body, &doc)

    fmt.Println("Attached document:", doc["id"])
}

String folderId = "60b8d6f1e1b9b1d8c6c0d8e1";

JSONObject payload = new JSONObject()
  .put("url", "https://your-bucket.s3.amazonaws.com/brand-guideline-v3.pdf?X-Amz-Signature=...")
  .put("type", "guideline")
  .put("name", "Brand guideline v3")
  .put("language", "en");

HttpResponse<String> response = Unirest
  .post("https://api-integration.ollang.com/integration/folder/" + folderId + "/docs")
  .header("X-Api-Key", "<your-api-key>")
  .header("Content-Type", "application/json")
  .body(payload.toString())
  .asString();

JSONObject doc = new JSONObject(response.getBody());
System.out.println("Attached document: " + doc.getString("id"));

{
  "id": "60b8d6f1e1b9b1d8c6c0d8f1",
  "name": "Brand guideline v3",
  "type": "guideline",
  "url": "https://ollang-docs.s3.eu-central-1.amazonaws.com/60b8d6f1e1b9b1d8c6c0d8e5/brand-guideline-v3.pdf",
  "size": 481203,
  "sourceLanguage": "en",
  "folderId": "60b8d6f1e1b9b1d8c6c0d8e1",
  "clientId": "60b8d6f1e1b9b1d8c6c0d8e5",
  "createdAt": "2026-09-02T10:14:22.511Z",
  "updatedAt": "2026-09-02T10:14:22.511Z"
}

{
  "statusCode": 400,
  "message": "Could not fetch the document from the provided URL. Make sure it is publicly readable and under 50 MB.",
  "error": "Bad Request"
}

{
  "error": "Unauthorized",
  "message": "Invalid or missing API key",
  "code": "UNAUTHORIZED"
}

{
  "statusCode": 403,
  "message": "You do not have permission to modify this folder",
  "error": "Forbidden"
}

{
  "statusCode": 404,
  "message": "Folder not found",
  "error": "Not Found"
}