KTP parser

curl -sS "https://api.bitaloka.io/v1/nik/3171014501900001" \
  -H "X-API-Key: $BITALOKA_API_KEY" \
  --fail-with-body

Uses: curl 7.x+ · example.sh

const apiKey = process.env.BITALOKA_API_KEY ?? ''

const res = await fetch("https://api.bitaloka.io/v1/nik/3171014501900001", {
  headers: { 'X-API-Key': apiKey },
})
if (!res.ok) throw new Error(`HTTP ${res.status}: ${await res.text()}`)

const data = await res.json()
console.log(data)

Uses: fetch · Node.js 20+ / browsers · example.mjs

type NikResponse = {
  valid: boolean
  input: string
  normalized: string
  gender: string
  birthDate: {
    day: number
    month: number
    yearTwoDigit: number
    yearCandidates: number[]
    yearResolved: number
    yearIsAmbiguous: boolean
  }
  region: {
    province: {
      code: string
      name: string
    }
    regency: {
      code: string
      name: string
    }
    district: {
      code: string
      name: string
    }
  }
  serial: string
  genderConsistent: boolean
  summary: string
  errors: string[]
  warnings: {
    code: string
    message: string
  }[]
}

const apiKey = process.env.BITALOKA_API_KEY ?? ''

const res = await fetch("https://api.bitaloka.io/v1/nik/3171014501900001", {
  headers: { 'X-API-Key': apiKey },
})
if (!res.ok) throw new Error(`HTTP ${res.status}: ${await res.text()}`)

const data = (await res.json()) as NikResponse
console.log(data)

Uses: fetch · Node.js 22+, Deno, Bun · example.mts

import os

import requests

API_KEY = os.environ.get("BITALOKA_API_KEY", "")

res = requests.get(
    "https://api.bitaloka.io/v1/nik/3171014501900001",
    headers={"X-API-Key": API_KEY},
    timeout=30,
)
res.raise_for_status()

print(res.json())

Uses: requests · example.py

import java.net.URI;
import java.net.http.HttpClient;
import java.net.http.HttpRequest;
import java.net.http.HttpResponse;

public class Example {
    public static void main(String[] args) throws Exception {
        var client = HttpClient.newHttpClient();
        var apiKey = System.getenv().getOrDefault("BITALOKA_API_KEY", "");
        var request = HttpRequest.newBuilder(URI.create("https://api.bitaloka.io/v1/nik/3171014501900001"))
                .header("X-API-Key", apiKey)
                .GET()
                .build();
        var response = client.send(request, HttpResponse.BodyHandlers.ofString());
        if (response.statusCode() >= 400) {
            throw new RuntimeException("HTTP " + response.statusCode() + ": " + response.body());
        }
        System.out.println(response.body());
    }
}

Uses: java.net.http · Java 17+ · Example.java

using var http = new HttpClient();
http.DefaultRequestHeaders.Add("X-API-Key", Environment.GetEnvironmentVariable("BITALOKA_API_KEY") ?? "");

var res = await http.GetAsync("https://api.bitaloka.io/v1/nik/3171014501900001");
if (!res.IsSuccessStatusCode)
    throw new HttpRequestException($"HTTP {(int)res.StatusCode}: {await res.Content.ReadAsStringAsync()}");

Console.WriteLine(await res.Content.ReadAsStringAsync());

Uses: HttpClient · .NET 8 · Program.cs

<?php

$ch = curl_init('https://api.bitaloka.io/v1/nik/3171014501900001');
curl_setopt_array($ch, [
    CURLOPT_RETURNTRANSFER => true,
    CURLOPT_HTTPHEADER => ['X-API-Key: ' . getenv('BITALOKA_API_KEY')],
]);
$body = curl_exec($ch);
$status = curl_getinfo($ch, CURLINFO_RESPONSE_CODE);
curl_close($ch);

if ($body === false || $status >= 400) {
    throw new RuntimeException("HTTP $status: $body");
}

print_r(json_decode($body, true));

Uses: ext-curl · PHP 8+ · example.php

package main

import (
	"fmt"
	"io"
	"net/http"
	"os"
)

func main() {

	req, err := http.NewRequest("GET", "https://api.bitaloka.io/v1/nik/3171014501900001", nil)
	check(err)
	req.Header.Set("X-API-Key", os.Getenv("BITALOKA_API_KEY"))

	res, err := http.DefaultClient.Do(req)
	check(err)
	defer res.Body.Close()
	body, err := io.ReadAll(res.Body)
	check(err)
	if res.StatusCode >= 400 {
		panic(fmt.Sprintf("HTTP %d: %s", res.StatusCode, body))
	}
	fmt.Println(string(body))
}

func check(err error) {
	if err != nil {
		panic(err)
	}
}

Uses: net/http · Go 1.21+ · main.go

// build.gradle.kts: implementation("com.squareup.okhttp3:okhttp:4.12.0")
import okhttp3.OkHttpClient
import okhttp3.Request

fun main() {
    val client = OkHttpClient()
    val request = Request.Builder()
        .url("https://api.bitaloka.io/v1/nik/3171014501900001")
        .header("X-API-Key", System.getenv("BITALOKA_API_KEY") ?: "")
        .build()

    client.newCall(request).execute().use { res ->
        check(res.isSuccessful) { "HTTP ${res.code}: ${res.body?.string()}" }
        println(res.body!!.string())
    }
}

Uses: OkHttp 4 · Main.kt

import Foundation

var request = URLRequest(url: URL(string: "https://api.bitaloka.io/v1/nik/3171014501900001")!)
request.setValue(ProcessInfo.processInfo.environment["BITALOKA_API_KEY"] ?? "", forHTTPHeaderField: "X-API-Key")

let (data, response) = try await URLSession.shared.data(for: request)
guard let http = response as? HTTPURLResponse, http.statusCode < 400 else {
    fatalError("Request failed: \(String(decoding: data, as: UTF8.self))")
}
print(String(decoding: data, as: UTF8.self))

Uses: URLSession · Swift 5.7+ · main.swift

// Cargo.toml: reqwest = { version = "0.12", features = ["blocking"] }

fn main() -> Result<(), Box<dyn std::error::Error>> {
    let api_key = std::env::var("BITALOKA_API_KEY").unwrap_or_default();
    let client = reqwest::blocking::Client::new();
    let res = client
        .get("https://api.bitaloka.io/v1/nik/3171014501900001")
        .header("X-API-Key", api_key)
        .send()?
        .error_for_status()?;
    println!("{}", res.text()?);
    Ok(())
}

Uses: reqwest 0.12 (blocking) · main.rs

{
  "valid": true,
  "input": "3171014501900001",
  "normalized": "3171014501900001",
  "gender": "P",
  "birthDate": {
    "day": 5,
    "month": 1,
    "yearTwoDigit": 90,
    "yearCandidates": [
      1990,
      2090
    ],
    "yearResolved": 1990,
    "yearIsAmbiguous": false
  },
  "region": {
    "province": {
      "code": "31",
      "name": "Daerah Khusus Ibukota Jakarta"
    },
    "regency": {
      "code": "3171",
      "name": "Kota Administrasi Jakarta Pusat"
    },
    "district": {
      "code": "317101",
      "name": "Gambir"
    }
  },
  "serial": "0001",
  "genderConsistent": false,
  "summary": "Perempuan, lahir 5 Januari 1990, Gambir, Kota Administrasi Jakarta Pusat, Daerah Khusus Ibukota Jakarta",
  "errors": [],
  "warnings": [
    {
      "code": "GENDER_MISMATCH",
      "message": "Gender from birth-day offset does not match serial parity (last digit). Possible data-entry error."
    }
  ]
}