# Set Index Plan

> This endpoint is used to change the plan of an index.

`POST /vector/index/{id}/setplan`

## OpenAPI

````yaml devops/developer-api/openapi.yaml post /vector/index/{id}/setplan
openapi: 3.0.4
info:
  title: Developer API - Upstash
  description: This is a documentation to specify Developer API endpoints based on
    the OpenAPI 3.0 specification.
  contact:
    name: Support Team
    email: support@upstash.com
  license:
    name: Apache 2.0
    url: https://www.apache.org/licenses/LICENSE-2.0.html
  version: 1.0.0
servers:
  - url: https://api.upstash.com/v2
tags:
  - name: redis
    description: Manage redis databases.
    externalDocs:
      description: Find out more
      url: https://upstash.com/docs/devops/developer-api/introduction
  - name: teams
    description: Manage teams and team members.
    externalDocs:
      description: Find out more
      url: https://upstash.com/docs/devops/developer-api/introduction
  - name: vector
    description: Manage vector indices.
    externalDocs:
      description: Find out more
      url: https://upstash.com/docs/devops/developer-api/introduction
  - name: search
    description: Manage search indices.
    externalDocs:
      description: Find out more
      url: https://upstash.com/docs/devops/developer-api/introduction
  - name: qstash
    description: Manage QStash.
    externalDocs:
      description: Find out more
      url: https://upstash.com/docs/devops/developer-api/introduction
paths:
  /vector/index/{id}/setplan:
    post:
      tags:
        - vector
      summary: Set Index Plan
      description: This endpoint is used to change the plan of an index.
      x-mint:
        href: /devops/developer-api/vector/set_index_plan
      operationId: setIndexPlan
      parameters:
        - name: id
          in: path
          description: The unique ID of the index to change plan for
          required: true
          schema:
            type: string
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              properties:
                target_plan:
                  type: string
                  description: The new plan for the index
                  enum:
                    - free
                    - payg
                    - fixed
              required:
                - target_plan
      responses:
        "200":
          description: Index plan changed successfully
          content:
            application/json:
              schema:
                type: string
                example: OK
      security:
        - basicAuth: []
````