🇮🇩 Built for Indonesian Documents

Indonesian Document
OCR API

Extract structured data from KTP, NPWP, SIM in seconds.
Developer-friendly. Self-serve. Affordable.

Get API Key See How It Works →
<2s Avg Response
99.2% Accuracy
4 Document Types

How It Works

Three simple steps to extract structured data from any supported document.

1
📤

Upload Image

Send a photo or scan of KTP, NPWP, SIM, or KK via our REST API endpoint.

2
🤖

AI Processes

Our OCR engine detects document type, extracts text, and structures the data automatically.

3
📋

Get JSON Response

Receive clean, structured JSON with all extracted fields — ready to use in your app.

Supported Documents

Extract structured data from all major Indonesian identity documents.

🪪

KTP

Kartu Tanda Penduduk

14 fields extracted
🧾

NPWP

Nomor Pokok Wajib Pajak

8 fields extracted
🚗

SIM

Surat Izin Mengemudi

10 fields extracted
👨‍👩‍👧‍👦

KK

Kartu Keluarga

8+ fields extracted

Try It Now

Upload a document image and see the API response in real-time.

POST https://ocr-proxy-eta.vercel.app/api/ocr?type=ktp
📌 Tips for best results:
✓ Use a flat scan or screenshot (not a handheld photo)
✓ Ensure all text is clearly visible, no glare or shadows
✓ Document should fill most of the image
✓ Minimum resolution: 800px width
✗ Avoid: blurry photos, holograms covering text, fingers blocking text

API Documentation

Everything you need to integrate the OCR API into your application.

Base URL
https://ocr-proxy-eta.vercel.app
Authentication
X-API-Key: YOUR_API_KEY (header) or ?key=YOUR_API_KEY (query) Get your free key below
POST /api/ocr?type={document_type}

Extract structured data from an Indonesian document image.

Query Parameters

FieldTypeRequiredDescription
type string yes Document type: ktp, npwp, sim, kk

Request Headers

HeaderValueRequiredDescription
X-API-Key {api_key} yes Your API key
Content-Type multipart/form-data yes File upload

Request Body (multipart/form-data)

FieldTypeRequiredDescription
image file yes Document image (JPG, PNG). Max 10MB.

Response (200 — Success)

{
  "status": "success",
  "document_type": "ktp",
  "data": {
    "nik": "3201234567890001",
    "nama": "JOHN DOE",
    "tempat_lahir": "JAKARTA",
    "tanggal_lahir": "1990-05-15",
    "jenis_kelamin": "LAKI-LAKI",
    "alamat": "JL. MERDEKA NO. 10",
    "rt_rw": "001/002",
    "kelurahan": "GAMBIR",
    "kecamatan": "GAMBIR",
    "agama": "ISLAM",
    "status_perkawinan": "BELUM KAWIN",
    "pekerjaan": "KARYAWAN SWASTA",
    "kewarganegaraan": "WNI",
    "berlaku_hingga": "SEUMUR HIDUP"
  },
  "confidence": 0.97,
  "processing_time_ms": 1240
}

Response Fields

FieldTypeDescription
status string "success" or "error"
document_type string Detected document type
data object Extracted fields (varies by document type)
confidence number OCR confidence score (0-1)
processing_time_ms number Processing time in milliseconds

Error Responses

// 401 — Unauthorized
{ "error": "Invalid API key" }

// 429 — Rate Limited
{ "error": "Daily limit reached (6/6). Upgrade your plan." }

// 400 — Bad Request
{ "error": "No image file provided" }

Get API Key

Get a free API key for 6 requests/day. No credit card required.

Usage

  • Add header: X-API-Key: your_key
  • Or query param: ?key=your_key

Limits

  • Playground (no key): 3 req/day
  • Free tier (with key): 6 req/day
  • Paid plans: coming soon

Pricing

Start free. Pay only when you need more.

Free
$0
  • 6 requests/day
  • All document types
Starter
🚀 Launch Price
$39$19/mo
  • 100 requests/day
  • Webhook notifications
Pro
🚀 Launch Price
$119$59/mo
  • 500 requests/day
  • Batch processing
Business
🚀 Launch Price
$299$149/mo
  • 3,000 requests/day
  • Custom SLA
Pay as You Go

No monthly commitment. Pay only for what you use. All features included.