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

# Order Plan

> Purchases a payment plan. Credits are issued immediately.



## OpenAPI

````yaml POST /protocol/plans/{planId}/order
openapi: 3.1.0
info:
  title: Nevermined API
  description: >-
    API for managing AI agents, payment plans, and x402 payments in the
    Nevermined ecosystem.


    ## Prerequisites


    You need a Nevermined API Key to authenticate. Get one at
    [nevermined.app](https://nevermined.app) under **Settings > API Keys**.


    See the [5-Minute Setup Guide](/docs/integrate/quickstart/5-minute-setup)
    for detailed instructions.
  license:
    name: MIT
  version: 1.0.0
servers:
  - url: https://api.sandbox.nevermined.app/api/v1
    description: Sandbox (Testing) - Base Sepolia
  - url: https://api.live.nevermined.app/api/v1
    description: Live (Production) - Base Mainnet
security:
  - bearerAuth: []
tags:
  - name: Protocol - Agents
    description: Endpoints for registering and managing AI agents
  - name: Protocol - Plans
    description: Endpoints for creating and managing payment plans
  - name: Protocol - Credits
    description: Endpoints for minting and redeeming credits
  - name: Protocol - Access
    description: Endpoints for access tokens and request validation
  - name: X402 - Permissions
    description: Endpoints for x402 delegated permissions
paths:
  /protocol/plans/{planId}/order:
    post:
      tags:
        - Protocol - Plans
      summary: Order Plan
      description: Purchases a payment plan. Credits are issued immediately.
      operationId: orderPlan
      parameters:
        - name: planId
          in: path
          description: The plan's unique identifier
          required: true
          schema:
            type: integer
      responses:
        '200':
          description: Order successful
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/OrderPlanResponse'
        '401':
          description: Unauthorized
        '402':
          description: Payment failed
        '404':
          description: Plan not found
components:
  schemas:
    OrderPlanResponse:
      type: object
      properties:
        success:
          type: boolean
        txHash:
          type: string
        balance:
          $ref: '#/components/schemas/Balance'
    Balance:
      type: object
      properties:
        isSubscriber:
          type: boolean
        total:
          type: integer
        used:
          type: integer
        remaining:
          type: integer
        expiresAt:
          type: string
          format: date-time
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer
      description: >-
        Your Nevermined API Key (starts with 'nvm:'). Get one at
        [nevermined.app](https://nevermined.app) under **Settings > API Keys**.

````