> ## Documentation Index
> Fetch the complete documentation index at: https://arizeai-433a7140.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# Remove a tag from an experiment

> Remove a tag, identified by its node ID or name, from the experiment that owns it. This operation is idempotent and never steals a tag from another experiment: if the experiment does not currently own the tag, the request is a no-op.



## OpenAPI

````yaml delete /v1/experiments/{experiment_id}/tags/{tag_identifier}
openapi: 3.1.0
info:
  title: Arize-Phoenix REST API
  description: Schema for Arize-Phoenix REST API
  version: '1.0'
servers: []
security: []
paths:
  /v1/experiments/{experiment_id}/tags/{tag_identifier}:
    delete:
      tags:
        - experiments
      summary: Remove a tag from an experiment
      description: >-
        Remove a tag, identified by its node ID or name, from the experiment
        that owns it. This operation is idempotent and never steals a tag from
        another experiment: if the experiment does not currently own the tag,
        the request is a no-op.
      operationId: deleteExperimentTag
      parameters:
        - name: experiment_id
          in: path
          required: true
          schema:
            type: string
            title: Experiment Id
            description: The ID of the experiment
          description: The ID of the experiment
        - name: tag_identifier
          in: path
          required: true
          schema:
            type: string
            description: The node ID or name of the tag to remove
            title: Tag Identifier
          description: The node ID or name of the tag to remove
      responses:
        '204':
          description: No content returned on successful tag removal
        '403':
          content:
            text/plain:
              schema:
                type: string
          description: Forbidden
        '404':
          content:
            text/plain:
              schema:
                type: string
          description: Experiment not found
        '422':
          content:
            text/plain:
              schema:
                type: string
          description: Invalid experiment ID or tag identifier

````