---
title: "Update row in a custom table (by table name and row id)"
method: PUT
path: "/v1/custom-table-data/{tableName}/{rowId}"
tags: ["Custom Tables: Content"]
---

# Update row in a custom table (by table name and row id)

`PUT /v1/custom-table-data/{tableName}/{rowId}`

## Request

- Base URL: `https://api.finalpos.com` (the document declares no server; this is the origin it was published from)
- URL: `https://api.finalpos.com/v1/custom-table-data/{tableName}/{rowId}`
- Auth: API key in header `x-api-key`

Updates cell values for an existing row at the given path.

## Path parameters

- `tableName` string, required
- `rowId` string, required

## Request body

- UpdateCustomTableDataDto

## Response `200`

Updated assembled row (`CustomTableDataResponseDto`).

- CustomTableDataResponseDto
  - `rowId` object, required: Row ID

## Other responses

- `400`: Validation failure, wrong table, or invalid `rowId` (same **400** semantics as GET by id).
- `404`: Same **404** semantics as GET by id (missing table or row).

---

[API](https://skmtc.dev/finalpos/apis/final-pos-public-api.md) · [All operations](https://skmtc.dev/finalpos/apis/final-pos-public-api/llms.txt) · [OpenAPI document](https://skmtc.dev/finalpos/apis/final-pos-public-api/revisions/6a6842dcb479?raw)