🔌 Free Calculator API

Kuongorora

API inoshanda nematekisi akafanana neaya ayo webhusaiti inoshandisa. Tsanangura mavara enzvimbo yechikwereti separameter yechikwereti kana JSON uye uwane zviwanikwa zvakanyorwa seJSON — kusanganisira chero nguva yekudzoka kana data remufananidzo iro chikwereti chinogadzira.

• 198+ calculators, mumwe nomumwe ne endpoint yake
• Hapana API key — anonymus access, rate-limited by IP
• CORS — Access-Control-Allow-Origin: * (usable client-side)
• Kuwedzera: 60 zvikumbiro/awa per IP (HTTP 429 kana yakakwira)

Chikamu che URL

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

Index — kuratidza chero calculator

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

Inodzosera mashoko anoverenga nechigadzirwa chemachina ezvinyorwa zvese zvema calculators nenzvimbo dzese dzese (key, label, type, default, unit) uye zviratidzo zvemhedzisiro — zvakakwana kuti uite mushandisi nesimba.

Calculator

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

Kudzokera kumusoro

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

Country-aware calculators (mortgage, mari, income-tax, sales-tax...) kubvuma ?country=us|uk|ca|au|in|ie|nz|za. Unknown slug anodzokera 404; unsupported nyika kana bad input anodzokera 400 nemashoko anokosha uye nzvimbo spec.

Kuzivana & mapurogiramu

Iwe unogona kukumbira API pasina bhatani chero kupi zvako - zvikumbiro zvisina zita zvinorambidzwa neIP. Kuti uwane huwandu hwakanyanya, hwakavimbika hwemwedzi (uye kushandiswa kwekutengesa), gadzira bhatani pawebhusaiti yako yeaccount uye tumira imwe yenzira mbiri:

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"

• _Dambudziko: — anozivikanwa (IP rate-limited) kana chiratidzo chemahara nechidiki chikwereti chemwedzi. Non-commercial.
• Developer — $9/mwedzi — 10,000 calls/month, commercial use.
• Business — $49/mwedzi — 100,000 calls/month, priority throughput.

Kana chiratidzo chemwedzi chichishandiswa, API inodzosera HTTP 429 nematambudziko "quota_exceeded"; chiratidzo chisina kuzivikanwa kana chisina kuiswa chinodzosera HTTP 401. Ona mapurogiramu ese uye nyora pasi pa Kubhadhara peji.

Mifananidzo

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}'

_Zvimwe

One endpoint per calculator. Field keys uye result keys for each are in the /api/v1/ index.