---
title: "Ensure column names are unique"
method: POST
path: "/dataset/{handle}/rename-columns-to-unique"
tags: ["data"]
---

# Ensure column names are unique

`POST /dataset/{handle}/rename-columns-to-unique`

Renames the columns in the sheet if needed, ensuring that all columns end up with unique names. Preserves original names of columns when possible if they are already unique.

## Path parameters

- `handle` string, required

## Response `200`

OK

- unknown

## Other responses

- `400` — Bad Request
- `401` — Unauthorized
- `403` — Forbidden
- `500` — Internal Server Error

---

[API](https://skmtc.net/freshdesk/apis/gigasheet-api.md) · [All operations](https://skmtc.net/freshdesk/apis/gigasheet-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/freshdesk/gigasheet-api/revisions/d1e5cbb24557/schema)