---
title: "Permutation & Combination Calculator"
method: GET
path: "/v1/permutationcombination"
tags: ["Math/Calculations"]
---

# Permutation & Combination Calculator

`GET /v1/permutationcombination`

## Request

- Base URL: `https://api.apiverve.com`
- URL: `https://api.apiverve.com/v1/permutationcombination`
- Auth: API key in header `x-api-key`

Calculate P(n,r) and C(n,r) values

## Query parameters

- `n` integer, required
- `r` integer, required

## Response `200`

Successful Response

- object
  - `status` string: status
  - `error` string: error
  - `data` object: data

## Other responses

- `401`: Your request was not authorized, or your API Key was invalid
- `404`: Requested resource was not found
- `500`: A server error has occurred, try again later

---

[API](https://skmtc.dev/apiverve/apis/apiverve-api.md) · [All operations](https://skmtc.dev/apiverve/apis/apiverve-api/llms.txt) · [OpenAPI document](https://skmtc.dev/apiverve/apis/apiverve-api/revisions/4b9a77598eb4?raw)