Svensk Skatte-API — REST API for Swedish tax calculations (ISK, VAT, income tax)

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# Svensk Skatte-API — Automatisera dina skatteberäkningar

Sveriges första betal-API för svenska skatteberäkningar. ISK-skatt, moms, inkomstskatt, arbetsgivaravgift — direkt i din app, CI/CD-pipeline, eller terminal.

## Snabbstart

```bash
# Inget konto behövs för demo
curl -H "X-API-Key: skatt_demo_free_2026" \
  https://skatteapi.gracestack.se/demo
```

## Prissättning

| Plan | Requests/min | Pris |
|------|-------------|------|
| **Free** | 30 | 0 kr |
| **Pro** | 300 | 99 kr/mån |

**[Uppgradera till Pro](https://buy.stripe.com/14A8wOcnjabte8W3pq0sV2f)** · **[API-dokumentation](https://skatteapi.gracestack.se/docs)**

## Endpoints

### ISK-skatt
```bash
curl -X POST https://skatteapi.gracestack.se/calculate/isk-tax \
  -H "Content-Type: application/json" \
  -H "X-API-Key: skatt_demo_free_2026" \
  -d '{"kapitalunderlag": 500000, "statslaneranta": 0.025}'
```
→ `{"isk_skatt": 5250.0, "valuta": "SEK"}`

### Moms
```bash
curl -X POST https://skatteapi.gracestack.se/calculate/moms \
  -H "Content-Type: application/json" \
  -H "X-API-Key: skatt_demo_free_2026" \
  -d '{"belopp": 1000, "momssats": 0.25}'
```
→ `{"momsbelopp": 250.0, "belopp_med_moms": 1250.0}`

### Inkomstskatt
```bash
curl -X POST https://skatteapi.gracestack.se/calculate/inkomstskatt \
  -H "Content-Type: application/json" \
  -H "X-API-Key: skatt_demo_free_2026" \
  -d '{"arsinkomst": 480000, "kommunalskattesats": 0.3229}'
```

### Arbetsgivaravgift
```bash
curl -X POST https://skatteapi.gracestack.se/calculate/arbetsgivaravgift \
  -H "Content-Type: application/json" \
  -H "X-API-Key: skatt_demo_free_2026" \
  -d '{"lon": 40000}'
```

## GitHub Actions-integration

```yaml
- uses: cedendahlkim/svensk-skatt-api@v1
  with:
    calculation: isk
    kapitalunderlag: 500000
```

## Relaterade verktyg

- [Skattefällan](https://skattefallan.gracestack.se) — Hitta din skattesmäll
- [ISK-Skattekollen](https://isk-skattekollen.gracestack.se) — Räkna ut ISK-skatt
- [Kalkylatorn](https://kalkylator.gracestack.se) — 10+ finansiella kalkylatorer
- [Alla verktyg](https://gracestack-verktyg.gracestack.se)

---

GitHub: [github.com/cedendahlkim/svensk-skatt-api](https://github.com/cedendahlkim/svensk-skatt-api) · API-demo: [skatteapi.gracestack.se/demo](https://skatteapi.gracestack.se/demo)