---
title: "Cross Currency Basis"
method: POST
path: "/quantlib/curves/cross-currency-basis"
tags: ["quantlib-curves"]
---

# Cross Currency Basis

`POST /quantlib/curves/cross-currency-basis`

## 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/cross-currency-basis`
- Auth: API key in header `X-API-Key`

Build cross-currency basis curve and query basis spreads

## Request body

- CrossCurrencyBasisRequest
  - `reference_date` string, required
  - `domestic_currency` string, required
  - `foreign_currency` string, required
  - `tenors` number[], required
  - `basis_spreads_bps` number[], required
  - `query_tenors` 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)