---
title: "Index Definition"
method: POST
path: "/lookup/index/definition"
tags: ["Lookup"]
---

# Index Definition

`POST /lookup/index/definition`

Provides a list of matching definitions for the given indexes.

## Headers

- `x-api-version` string

## Request body

- string[]

## Response `200`

Returns List of Index Definitions

- IndexDef[]
  - `index_name` string
  - `ticker` string
  - `frequency` string
  - `unit_type` string
  - `description` string
  - `precision` integer
  - `display_unit_type` string
  - `documentation_url` string

## Other responses

- `401` — Unauthorized Request
- `500` — Internal Server error

---

[API](https://skmtc.net/freightwaves/apis/sonar-api.md) · [All operations](https://skmtc.net/freightwaves/apis/sonar-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/freightwaves/sonar-api/revisions/3a995f316cda/schema)