Dokumentasi API

API REST gratis bagi data elemen. Tak diperlukan kunci API.

Tak perlu kunci API CORS diaktifkan untuk semua asal JSON
https://api.periodictableofelements.org

API ini bebas digunakan untuk proyek pribadi, pendidikan, dan perdagangan. Kami hanya meminta Anda memasukkan link kembali ke PeriodikTabelOfElements.org di suatu tempat di aplikasi atau situs web Anda.

Contoh atribut:

<a href="https://periodictableofelements.org">Data from PeriodicTableOfElements.org</a>

Atau dalam teks biasa:

Data provided by PeriodicTableOfElements.org

Titik Akhir

GET /elements/

Mengembalikan semua 118 elemen dengan sifat-sifat kunci termasuk massa atom, kategori, konfigurasi elektron, titik meleleh/memikat, dan posisi grid untuk tata letak meja.

Rate limit: 200/hr
Contoh Tanggapan
[
  {
    "atomic_number": 1,
    "symbol": "H",
    "name": "Hydrogen",
    "slug": "hydrogen",
    "atomic_mass": 1.008,
    "category": "nonmetal",
    "block": "s",
    "group_number": 1,
    "period": 1,
    "state_at_room_temp": "gas",
    "electronegativity": 2.2,
    "ionization_energy": 1312.0,
    "electron_affinity": -73.0,
    "atomic_radius": 53,
    "density": 0.00008988,
    "melting_point": 14.01,
    "boiling_point": 20.28,
    "discovery_year": 1766,
    "category_color": "#2ecc71",
    "cpk_hex_color": "FFFFFF",
    "grid_row": 1,
    "grid_column": 1,
    "electrons_per_shell": [1],
    "electron_configuration_semantic": "1s1"
  },
  ...
]
Cobalah
fetch('https://api.periodictableofelements.org/elements/')
  .then(r => r.json())
  .then(data => console.log(data));
GET /elements/{atomic_number}/

Mengembalikan data lengkap untuk satu elemen, termasuk semua bidang: sifat fisik, informasi penemuan, isotop, penggunaan, fakta menyenangkan, dan banyak lagi.

Rate limit: 300/hr
Example Response — /elements/79/
{
  "atomic_number": 79,
  "symbol": "Au",
  "name": "Gold",
  "slug": "gold",
  "atomic_mass": 196.9666,
  "category": "transition_metal",
  "block": "d",
  "group_number": 11,
  "period": 6,
  "state_at_room_temp": "solid",
  "electronegativity": 2.54,
  "density": 19.3,
  "melting_point": 1337.33,
  "boiling_point": 3129.0,
  "discovery_year": -2500,
  "discovered_by": "Ancient civilizations",
  "electron_configuration": "1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 5s1 4f14 5p6 5d10 6s1",
  "electron_configuration_semantic": "[Xe] 4f14 5d10 6s1",
  "oxidation_states": "+1, +3",
  "is_radioactive": false,
  "is_synthetic": false,
  ...
}
Cobalah
fetch('https://api.periodictableofelements.org/elements/79/')
  .then(r => r.json())
  .then(data => console.log(data));
GET /elements/quiz/

Mengembalikan pertanyaan kuis acak tentang elemen. Tipe pertanyaan termasuk: identifikasi simbol, nomor pencarian atom, klasifikasi kategori, dan petunjuk berbasis properti.

Rate limit: 300/hr
Contoh Tanggapan
{
  "type": "symbol",
  "question": "What element has the symbol Fe?",
  "choices": [
    {"name": "Iron", "atomic_number": 26},
    {"name": "Fluorine", "atomic_number": 9},
    {"name": "Francium", "atomic_number": 87},
    {"name": "Fermium", "atomic_number": 100}
  ],
  "answer": 26
}
Cobalah
fetch('https://api.periodictableofelements.org/elements/quiz/')
  .then(r => r.json())
  .then(data => console.log(data));
GET /elements/element-of-the-day/

Kembalinya elemen yang ditampilkan hari ini elemennya berubah setiap hari dan siklus melalui semua 118 elemen termasuk ringkasan dan fakta menyenangkan.

Rate limit: 200/hr
Contoh Tanggapan
{
  "atomic_number": 6,
  "symbol": "C",
  "name": "Carbon",
  "slug": "carbon",
  "category": "nonmetal",
  "category_color": "#2ecc71",
  "summary": "Carbon is a chemical element...",
  "fun_fact": "Carbon can form nearly 10 million different compounds...",
  "atomic_mass": 12.011,
  "discovery_year": -3750,
  "date": "2026-03-29"
}
Cobalah
fetch('https://api.periodictableofelements.org/elements/element-of-the-day/')
  .then(r => r.json())
  .then(data => console.log(data));
GET /elements/molar-mass/?formula={formula}

Menghitung massa molar dari sebuah rumus kimia. Mendukung kurung dan subskrip (mis., Ca AllahoH)2, H2SO4). Mengembalikan kerusakan berdasarkan elemen.

Rate limit: 300/hr
Example Response — /elements/molar-mass/?formula=H2O
{
  "formula": "H2O",
  "molar_mass": 18.015,
  "breakdown": [
    {
      "symbol": "H",
      "count": 2,
      "atomic_mass": 1.008,
      "subtotal": 2.016
    },
    {
      "symbol": "O",
      "count": 1,
      "atomic_mass": 15.999,
      "subtotal": 15.999
    }
  ]
}
Cobalah
fetch('https://api.periodictableofelements.org/elements/molar-mass/?formula=H2O')
  .then(r => r.json())
  .then(data => console.log(data));
GET /elements/export/json/

Mengunduh semua 118 elemen sebagai berkas JSON terformat. termasuk properti atom, informasi penemuan, konfigurasi elektron, dan banyak lagi.

Rate limit: 20/hr Returns: lampiran aplikasi/json
GET /elements/export/csv/

Mengunduh semua elemen 118 sebagai berkas CSV. Bidang yang sama dengan ekspor JSON, cocok untuk lembar sebar dan analisis data.

Rate limit: 20/hr Returns: lampiran teks/csv

Batas Laju

Endpoint Limit
/elements/ 200 requests/hour
/elements/{n}/ 300 requests/hour
/elements/quiz/ 300 requests/hour
/elements/element-of-the-day/ 200 requests/hour
/elements/molar-mass/ 300 requests/hour
/elements/export/json/ 20 requests/hour
/elements/export/csv/ 20 requests/hour

Tingkat batas per alamat IP. Melewati batas kembali HTTP 429 (Terlalu Banyak Permintaan).

Contoh Kode

// Fetch all elements
fetch('https://api.periodictableofelements.org/elements/')
  .then(res => res.json())
  .then(elements => {
    console.log(`Loaded ${elements.length} elements`);
    elements.forEach(el => {
      console.log(`${el.symbol} - ${el.name} (${el.atomic_mass})`);
    });
  });

// Get a single element
fetch('https://api.periodictableofelements.org/elements/79/')
  .then(res => res.json())
  .then(gold => {
    console.log(`${gold.name}: ${gold.atomic_mass} u`);
  });

// Calculate molar mass
fetch('https://api.periodictableofelements.org/elements/molar-mass/?formula=H2SO4')
  .then(res => res.json())
  .then(data => {
    console.log(`${data.formula}: ${data.molar_mass} g/mol`);
  });

// Get element of the day
fetch('https://api.periodictableofelements.org/elements/element-of-the-day/')
  .then(res => res.json())
  .then(el => {
    console.log(`Today's element: ${el.name} (${el.symbol})`);
  });
# Fetch all elements
import requests

response = requests.get('https://api.periodictableofelements.org/elements/')
elements = response.json()
print(f'Loaded {len(elements)} elements')

for el in elements:
    print(f"{el['symbol']} - {el['name']} ({el['atomic_mass']})")

# Get a single element
gold = requests.get('https://api.periodictableofelements.org/elements/79/').json()
print(f"{gold['name']}: {gold['atomic_mass']} u")

# Calculate molar mass
data = requests.get(
    'https://api.periodictableofelements.org/elements/molar-mass/',
    params={'formula': 'H2SO4'}
).json()
print(f"{data['formula']}: {data['molar_mass']} g/mol")

# Get element of the day
el = requests.get(
    'https://api.periodictableofelements.org/elements/element-of-the-day/'
).json()
print(f"Today's element: {el['name']} ({el['symbol']})")

Unduh Data

JSON

Semua 118 elemen dengan sifat penuh, Ideal untuk aplikasi web dan skrip.

Unduh JSON

CSV

Format spreadsheet-friendly. Buka di Excel, Google Sheets, atau Panda.

Unduh CSV