---
title: "Stationarity Transform"
method: POST
path: "/quantlib/ml/preprocessing/stationarity"
tags: ["quantlib-ml"]
---

# Stationarity Transform

`POST /quantlib/ml/preprocessing/stationarity`

## Request

- Base URL: `https://api.fincept.in` (the document declares no server; this is the origin it was published from)
- URL: `https://api.fincept.in/quantlib/ml/preprocessing/stationarity`
- Auth: API key in header `X-API-Key`

Stationarity transforms (differencing, returns, ADF test)

## Request body

- StationarityRequest
  - `data` number[], required
  - `transform` string
  - `d` number

## Response `200`

Successful Response

- unknown

## Other responses

- `422`: Validation Error

---

[API](https://skmtc.dev/fincept/apis/fincept-api.md) · [All operations](https://skmtc.dev/fincept/apis/fincept-api/llms.txt) · [OpenAPI document](https://skmtc.dev/fincept/apis/fincept-api/revisions/e9c0076ea55a?raw)