---
title: "Probability Generating Function"
method: POST
path: "/quantlib/statistics/distributions/pgf"
tags: ["quantlib-statistics"]
---

# Probability Generating Function

`POST /quantlib/statistics/distributions/pgf`

## 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/statistics/distributions/pgf`
- Auth: API key in header `X-API-Key`

Evaluate probability generating function for binomial, poisson, or geometric

## Request body

- PGFRequest: Probability generating function evaluation
  - `distribution` string, required
  - `z` number, required
  - `n` integer, nullable
  - `p` number, nullable
  - `lam` 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)