---
title: "Flat Volatility"
method: POST
path: "/quantlib/volatility/surface/flat"
tags: ["quantlib-volatility"]
---

# Flat Volatility

`POST /quantlib/volatility/surface/flat`

## 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/volatility/surface/flat`
- Auth: API key in header `X-API-Key`

## Request body

- FlatVolRequest
  - `volatility` number, required
  - `query_expiry` number, required
  - `query_strike` number, required

## 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)