API Dokumentasie

Free REST API vir element data. Nee API sleutel benodig.

Geen API-sleutel benodig nie KORS het dit vir alle oorsprong moontlik gemaak JSON
https://api.periodictableofelements.org

Hierdie API is vry om vir persoonlike, opvoedkundige en kommersiële projekte te gebruik. Ons vra net dat jy'n skakel moet insluit wat terug is na die periodieke Metements.org iewers in jou app of webwerf.

Voorbeeld Toersie:

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

Of in gewone teks:

Data provided by PeriodicTableOfElements.org

Einde punt:

GET /elements/

Gee terug alle 118 elemente met sleuteleienskappe onder andere atoommassa, kategorie, elektron-opstelling, smelt/onderwerkpunte en roosterposisies vir tabeluitleg.

Rate limit: 200/hr
Voorbeeld Reaksie
[
  {
    "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"
  },
  ...
]
Probeer dit
fetch('https://api.periodictableofelements.org/elements/')
  .then(r => r.json())
  .then(data => console.log(data));
GET /elements/{atomic_number}/

Gee terug volledige data vir 'n enkele element, insluitend alle velde: fisiese eienskappe, ontdekking inligting, isotopes, gebruik, pret feite, en nog meer.

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,
  ...
}
Probeer dit
fetch('https://api.periodictableofelements.org/elements/79/')
  .then(r => r.json())
  .then(data => console.log(data));
GET /elements/quiz/

Gee terug 'n ewekansige vraag oor elemente. Vraag tipes sluit in: simbool identifikasie, atoom nommer opkyk, kategorie klassifikasie en eiendom-gebaseerde leidrade.

Rate limit: 300/hr
Voorbeeld Reaksie
{
  "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
}
Probeer dit
fetch('https://api.periodictableofelements.org/elements/quiz/')
  .then(r => r.json())
  .then(data => console.log(data));
GET /elements/element-of-the-day/

Gee terug vandag se hoofelement. Die element verander elke dag en siklusse deur al 118 elemente. Sluit 'n opsomming en aangename feit in.

Rate limit: 200/hr
Voorbeeld Reaksie
{
  "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"
}
Probeer dit
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}

Bereken die molar-massa van 'n chemiese formule. Ondersteun hakies en subscriptte (bv. Caerau)2, H2SO4). Gee terug' n breek deur element.

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
    }
  ]
}
Probeer dit
fetch('https://api.periodictableofelements.org/elements/molar-mass/?formula=H2O')
  .then(r => r.json())
  .then(data => console.log(data));
GET /elements/export/json/

Laai alle 118 elemente af as 'n geformateerde JSON-lêer. Sluit atoomeienskappe, ontdekking inligting, elektron konfigurasies en nog meer in.

Rate limit: 20/hr Terugs: aansoek/json aanhegsel
GET /elements/export/csv/

Laai alle 118 elemente af as 'n cSV-lêer. Dieselfde velde as die JSON-uitvoer, geskik vir spreiblad en data ontleding.

Rate limit: 20/hr Terugs: text/csv aanhegsel

Tempo Limiet

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

Herhaalde grense is per ip adres. Eksceding Die limiet gee terug HTTP 479 (To Baie Versoeks).

Kode Voorbeelde

// 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']})")

Laaiïng van K- sterre...

AGT

Alle 118 elemente met volle eienskappe. Ideale vir web programme en skripte.

Laaiïng van K- sterre...

CSV separator

Sigblad-vriendlike formaat. Maak oop in Excel, Google Velle, of Pandas.

Laaiïng van K- sterre...