---
title: "Rejects duplicate safe_name within the same data table"
method: POST
path: "/api/grit/assays/data_table_columns"
tags: ["Assays - Data Table Columns"]
---

# Rejects duplicate safe_name within the same data table

`POST /api/grit/assays/data_table_columns`

## Request body

- object

## Other responses

- `422` — duplicate safe_name rejected

---

[API](https://skmtc.net/grit42/apis/grit-assays-api.md) · [All operations](https://skmtc.net/grit42/apis/grit-assays-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/grit42/grit-assays-api/versions/a08b5b2b48b9/schema)