---
title: "Find Root 1D"
method: POST
path: "/quantlib/numerical/roots/find-1d"
tags: ["quantlib-numerical"]
---

# Find Root 1D

`POST /quantlib/numerical/roots/find-1d`

## 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/numerical/roots/find-1d`
- Auth: API key in header `X-API-Key`

Find root of a scalar function in [a, b]

## Request body

- Root1DRequest: Find root of built-in function in [a, b]
  - `func_name` string, required
  - `a` number, required
  - `b` number, required
  - `method` string
  - `tol` number
  - `poly_coeffs` number[], nullable

## 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)