🔌 Kalkulator

Gambaran Umum

API ngajalankeun matematika anu sami anu digunakeun ku situs wéb. Kirim nilai lapangan kalkulator salaku parameter panalungtikan atanapi JSON sareng kéngingkeun hasil anu dihitung deui salaku JSON - kalebet jadwal amortisasi atanapi data grafik anu dihasilkeun kalkulator.

• 198+ kalkulator, saben duwe titik pungkasan dhewe
• Ora ana kunci API — akses anonim, kecepatan dibatasi dening IP
• CORS — Access-Control-Allow-Origin: * (klien-side bisa digunakake)
• Batas laju: 60 pitakon/jam saben IP (HTTP 429 yen ngluwihi)

URL Dasar

https://calculator.free/api/v1/

Indeks — daftar saben kalkulator

GET https://calculator.free/api/v1/

Ngabalikeun daftar sadaya kalkulator anu bisa dibaca ku mesin kalayan masing-masing medanna (kunci, label, jinis, pigura, unit) sareng konci hasil - cukup pikeun ngawangun klien sacara dinamis.

Ngitung — lakukake siji kalkulator

GET  https://calculator.free/api/v1/<slug>/?field=value&field=value
POST https://calculator.free/api/v1/<slug>/     (JSON or form body)

Bentuk Balasan:

{
  "ok": true,
  "slug": "mortgage",
  "country": "us",
  "inputs":   { ... echoed field values ... },
  "results":  { ... computed result keys ... },
  "schedule": { "columns": [...], "rows": [...] } | null,
  "chart":    { "type": "pie", "slices": [...] } | null
}

Kalkulator negara-aware (mortgage, pinjaman, income-pajak, penjualan-pajak...) nampa ?country=us|uk|ca|au|in|ie|nz|za. Slug ora dikenal bali 404; negara ora didhukung utawa input ala bali 400 karo pesen sing migunani lan spesifikasi lapangan.

Autentikasi

Sampeyan bisa ngadhepi API tanpa kunci - pitakonan anonim diwatesi ku IP. Kanggo kuota bulanan sing luwih dhuwur lan bisa diprediksi (lan panggunaan komersial), buat kunci ing kaca akun sampeyan lan kirimake salah siji saka telu cara:

GET  https://calculator.free/api/v1/mortgage/?price=350000&key=YOUR_KEY
curl -H "Authorization: Bearer YOUR_KEY" "https://calculator.free/api/v1/bmi/?units=metric&height=180&weight=80"
curl -H "X-Api-Key: YOUR_KEY"           "https://calculator.free/api/v1/bmi/?units=metric&height=180&weight=80"

• Bebas — anonim (IP rate-limited) atawa konci bébas kalawan quota bulanan leutik. Non-komersial.
• Developer — $9/bulan — 10.000/bulan, kanggo panggunaan komersial.
• Bisnis — $49/bulan — 100.000/taun.

Nalika kuota bulanan hiji konci dipaké nepi, API balikkeun HTTP 429 kalawan kasalahan "quota_exceeded"; konci anu teu dikenal atawa inaktivas balikkeun HTTP 401. Deleng rencana lengkap lan ndhaptar ing Rencana kaca.

Conto

curl

curl "https://calculator.free/api/v1/mortgage/?price=350000&down=70000&rate=6.9&years=30"

JavaScript fetch()

const r = await fetch(
  "https://calculator.free/api/v1/bmi/?" + new URLSearchParams({
    units: "metric", height: "180", weight: "80"
  }));
const { results } = await r.json();
console.log(results.bmi, results.category);

POST JSON

curl -X POST "https://calculator.free/api/v1/income-tax/?country=uk" \
  -H "Content-Type: application/json" \
  -d '{"income": 60000}'

Sekabeh titik pungkasan

Saben kalkulator duwe titik pungkasan. Tombol medan lan tombol asil kanggo saben ana ing /api/v1/ индекс.