---
title: "Curve"
method: POST
path: "/api/curve"
tags: ["calculate"]
---

# Curve

`POST /api/curve`

## Request

- Base URL: `https://api.taxcompass.it` (the document declares no server; this is the origin it was published from)
- URL: `https://api.taxcompass.it/api/curve`
- Auth: none declared

## Request body

- CurveRequest
  - `country` 'IT' | 'PL' | 'RO' | 'ES', nullable
  - `regime` string, nullable
  - `min_eur` number
  - `max_eur` number
  - `steps` integer
  - `options` CalcOptions
    - `cost_ratio` number
    - `coefficient` number, nullable

## Response `200`

Successful Response

- CurveResponse
  - `series` CurveSeries[], required
    - `country` string, required
    - `regime` string, required
    - `points` CurvePoint[], required
      - `revenue_eur` number, required
      - `net_eur` number, required

## Other responses

- `422`: Validation Error

---

[API](https://skmtc.dev/taxcompass/apis/taxcompass-api.md) · [All operations](https://skmtc.dev/taxcompass/apis/taxcompass-api/llms.txt) · [OpenAPI document](https://skmtc.dev/taxcompass/apis/taxcompass-api/revisions/fef5fc6a9b91?raw)