---
title: "Multicurve Basis"
method: POST
path: "/quantlib/curves/multicurve/basis-spread"
tags: ["quantlib-curves"]
---

# Multicurve Basis

`POST /quantlib/curves/multicurve/basis-spread`

## 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/curves/multicurve/basis-spread`
- Auth: API key in header `X-API-Key`

## Request body

- BasisSpreadRequest
  - `reference_date` string, required
  - `currency` string
  - `ois_tenors` number[], required
  - `ois_rates` number[], required
  - `ibor_tenors` number[], required
  - `ibor_rates` number[], required
  - `query_tenor` 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)
