openapi: 3.0.0
info:
  title: The Good Bank APIs
  version: 1.0.0
servers:
  - url: http://security.postman-breakable.com
tags:
  - name: Health
  - name: Bank User
    description: This folder contains APIs to manage users of The Good Bank.
  - name: Bank User > Authentication
  - name: Bank Account
    description: >-
      This folder contains the APIs that deals with user account and
      transactions.
  - name: Bank Admin
    description: >-
      This folder contains APIs used by bank administration. To provide support
      to customer in case of an issue.
components:
  securitySchemes:
    ApiKeyAuth:
      type: apiKey
      in: header     
      name: X-API-key
paths:
  /:
    get:
      tags:
        - Health
      summary: Ping
      responses:
        '200':
          description: Successful response
          content:
            application/json: {}
  /user:
    put:
      tags:
        - Bank User > Authentication
      summary: Update User Information
      description: Authenticated users can update their user information.
      security:
        - ApiKeyAuth: []   
      requestBody:
        content:
          application/json:
            schema:
              type: object
              example:
                email_id: kmmanoj96@gulbank.com
                phone: +91 9876543210
      responses:
        '200':
          description: Successful response
          content:
            application/json: {}
    post:
      tags:
        - Bank User
      summary: Create User
      description: Register a new user with The Good Bank. The username must be unique.
      requestBody:
        content:
          application/json:
            schema:
              type: object
              example:
                username: kmmanoj96001
                password: kmmanoj96001pass
      responses:
        '200':
          description: Successful response
          content:
            application/json: {}
  /user/change-password:
    post:
      tags:
        - Bank User > Authentication
      summary: User Change Password
      description: >-
        This API is used to update the user password. The user must be
        authenticated and must remember the current password to update.
      requestBody:
        content:
          application/json:
            schema:
              type: object
              example:
                username: ''
                old_password: ''
                new_password: ''
      responses:
        '200':
          description: Successful response
          content:
            application/json: {}
  /user/logout:
    get:
      tags:
        - Bank User > Authentication
      summary: User Logout
      description: This API revokes an active user session.
      security:
        - ApiKeyAuth: []
      responses:
        '200':
          description: Successful response
          content:
            application/json: {}
  /user/login:
    post:
      tags:
        - Bank User
      summary: User Login
      requestBody:
        content:
          application/json:
            schema:
              type: object
              example:
                username: kmmanoj96001
                password: kmmanoj96001pass
      responses:
        '200':
          description: Successful response
          content:
            application/json: {}
  /account/{user_id}/summary:
    get:
      tags:
        - Bank Account
      summary: Account summary
      description: Fetch account summary for a single user.
      parameters:
        - name: user_id
          in: path
          schema:
            type: string
          required: true
      responses:
        '200':
          description: Successful response
          content:
            application/json: {}
  /account/transactions:
    get:
      tags:
        - Bank Account
      summary: Account transactions
      description: Fetch transactions for a single account.
      security:
        - ApiKeyAuth: []
      parameters:
        - name: limit
          in: query
          schema:
            type: integer
          description: number of transactions to display
          example: '10'
        - name: filter
          in: query
          schema:
            type: string
          description: Search string to filter on transaction party
      responses:
        '200':
          description: Successful response
          content:
            application/json: {}
  /people/customers:
    get:
      tags:
        - Bank Admin
      summary: Our customers
      security:
        - ApiKeyAuth: []
      responses:
        '200':
          description: Successful response
          content:
            application/json: {}
  /admin/credit:
    post:
      tags:
        - Bank Admin
      summary: Credit amount
      description: >-
        To be used by the bank tellers to cash checks, receive deposits, savings
        account transactions among other things.
      security:
        - ApiKeyAuth: []
      requestBody:
        content:
          application/json:
            schema:
              type: object
              example:
                user_id: user-id
                transaction_party: nowhere
                transaction_amount: 100
      responses:
        '200':
          description: Successful response
          content:
            application/json: {}
  /admin/debit:
    post:
      tags:
        - Bank Admin
      summary: Debit amount
      description: >-
        To be used by the bank tellers to cash checks, receive deposits, savings
        account transactions among other things.
      security:
        - ApiKeyAuth: []
      requestBody:
        content:
          application/json:
            schema:
              type: object
              example:
                user_id: user-id
                transaction_party: somwhere
                transaction_amount: 100
      responses:
        '200':
          description: Successful response
          content:
            application/json: {}