> ## Documentation Index
> Fetch the complete documentation index at: https://docs.promptlayer.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Create a Prompt Template Label

Create a release label for a prompt template version.


## OpenAPI

````yaml POST /prompts/{prompt_id}/label
openapi: 3.1.0
info:
  title: FastAPI
  version: 0.1.0
servers: []
security:
  - ApiKeyAuth: []
paths:
  /prompts/{prompt_id}/label:
    post:
      tags:
        - prompts
        - labels
      summary: Create a new label for a prompt
      operationId: create_prompt_label
      parameters:
        - name: prompt_id
          in: path
          required: true
          schema:
            type: integer
            title: prompt_id
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              properties:
                prompt_version_number:
                  type: integer
                name:
                  type: string
              required:
                - prompt_version_number
                - name
      responses:
        '200':
          description: Successful Response
          content:
            application/json:
              schema:
                type: object
                properties:
                  created_at:
                    type: string
                    format: date-time
                  id:
                    type: integer
                  name:
                    type: string
                  prompt_id:
                    type: integer
                  prompt_version_id:
                    type: integer
                required:
                  - created_at
                  - id
                  - name
                  - prompt_id
                  - prompt_version_id
        '401':
          $ref: '#/components/responses/UnauthorizedError'
        '422':
          $ref: '#/components/responses/ValidationError'
components:
  responses:
    UnauthorizedError:
      description: Unauthorized - missing or invalid API key.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ErrorResponse'
    ValidationError:
      description: Validation error - request parameters or body are invalid.
      content:
        application/json:
          schema:
            oneOf:
              - $ref: '#/components/schemas/HTTPValidationError'
              - $ref: '#/components/schemas/ErrorResponse'
  schemas:
    ErrorResponse:
      type: object
      properties:
        success:
          type: boolean
          default: false
          description: Indicates that the request failed.
        message:
          type: string
          description: Human-readable error message.
        error:
          type: string
          description: Machine-readable or fallback error message.
      additionalProperties: true
      description: >-
        Standard error response. Some legacy endpoints may return either message
        or error.
    HTTPValidationError:
      properties:
        detail:
          items:
            $ref: '#/components/schemas/ValidationError'
          type: array
          title: Detail
      type: object
      title: HTTPValidationError
    ValidationError:
      properties:
        loc:
          items:
            anyOf:
              - type: string
              - type: integer
          type: array
          title: Location
        msg:
          type: string
          title: Message
        type:
          type: string
          title: Error Type
      type: object
      required:
        - loc
        - msg
        - type
      title: ValidationError
  securitySchemes:
    ApiKeyAuth:
      type: apiKey
      in: header
      name: X-API-KEY

````