---
title: "Irs Par Rate"
method: POST
path: "/quantlib/instruments/swap/irs/par-rate"
tags: ["quantlib-instruments"]
---

# Irs Par Rate

`POST /quantlib/instruments/swap/irs/par-rate`

## 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/instruments/swap/irs/par-rate`
- Auth: API key in header `X-API-Key`

## Request body

- SwapRequest
  - `effective_date` string, required
  - `maturity_date` string, required
  - `notional` number, required
  - `fixed_rate` number, required
  - `frequency` integer
  - `day_count` string
  - `curve_tenors` number[], required
  - `curve_rates` number[], required
  - `reference_date` string, required
  - `swap_type` string

## 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)