# General Translation Platform: Crea o aggiorna un tag
URL: https://generaltranslation.com/it/docs/platform/openapi/reference/project/upsert-tag.mdx
Docs index: https://generaltranslation.com/llms.txt
Description: Crea o aggiorna un tag per un insieme di versioni di file. Riferimento API per Crea o aggiorna un tag.

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## Endpoint

`POST https://api.gtx.dev/v2/project/tags/create`

**Operation ID:** `createTag`

**Tags:** `Project`

**Summary:** Create or update a tag

Create or update a tag for a set of file versions.

Authentication: required. Send an API key in the `Authorization: Bearer <key>` header when authenticating.

### Parameters

- `gt-api-version` (header, "2025-01-01.v0" | "2025-11-03.v1" | "2026-02-18.v1" | "2026-03-06.v1", optional): API contract version. Defaults to the oldest supported version.
- `gt-project-id` (header, string, optional): Target project ID when no project ID is present in the path. Project API keys default to their bound project. If supplied, the header must match both the path target and the key’s bound project.

### Request body (required)

Body (`application/json`, object):
- `tagId` (string, required)
- `files` (object[], required)
  - `fileId` (string, required)
  - `versionId` (string, required)
  - `branchId` (string, required)
- `message` (string)

### Responses

**200**: Created or updated file tag
Response body (`application/json`, object):
- `tag` (object, required)
  - `id` (string, required)
  - `tagId` (string, required)
  - `message` (string | null, required)
  - `createdAt` (string (date-time), required)
  - `updatedAt` (string (date-time), required)

**400**: The request is malformed or failed validation.
Response body (`application/json`, object):
- `error` (string, required)

Response body (`text/html`, string):

**401**: Authentication is missing or invalid.
Response body (`application/json`, object):
- `error` (string, required)

Response body (`text/html`, string):

**403**: The caller is authenticated but not allowed to perform this operation or access the requested resource.
Response body (`application/json`, object):
- `error` (string, required)

Response body (`text/html`, string):

**413**: The request, or the data it would return, exceeds a size or item limit.
Response body (`application/json`, object):
- `error` (string, required)

Response body (`text/html`, string):

**415**: The request body's Content-Type is missing or not supported. Send the body as application/json.
Response body (`application/json`, object):
- `error` (string, required)

Response body (`text/html`, string):

**429**: Too many requests. The rate limit was exceeded.
Response body (`application/json`, object):
- `error` (string, required)

Response body (`text/html`, string):

**500**: An unexpected server error occurred.
Response body (`application/json`, object):
- `error` (string, required)

Response body (`text/html`, string):

Complete OpenAPI 3.1 specification: https://generaltranslation.com/openapi.yaml

OpenAPI schema: [openapi.json](https://generaltranslation.com/openapi.json)

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