---
title: "Lookup the field definition system id in the blocks area."
method: POST
path: "/Litium/api/admin/blocks/fieldDefinitions/keyLookups"
tags: ["Blocks field definition"]
---

# Lookup the field definition system id in the blocks area.

`POST /Litium/api/admin/blocks/fieldDefinitions/keyLookups`

## Request body

- string[]

## Response `200`

OK

- object

---

[API](https://skmtc.dev/litium/apis/litium-admin-web-api.md) · [All operations](https://skmtc.dev/litium/apis/litium-admin-web-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/litium/litium-admin-web-api/revisions/a65881b0d0c6/schema)