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OpenAPI Specification

openapi: 3.2.0
info:
  title: Penny Drop API
  description: 'This explorer allows merchants to evaluate APIs that are available in the BillDesk Payment Gateway API suite.

    - Only HMAC authentication is supported.

    - All APIs are RESTful and resource oriented.

    - Servers listed are applicable for the API explorer only.'
  contact:
    name: API Support
    url: https://www.billdesk.com/helpcenter.htm
    email: support@billdesk.com
  version: '2.5'
servers:
- url: https://uat1.billdesk.com/u2
  description: UAT server
- url: https://api.billdesk.com
  description: PROD server
tags:
- name: Penny Drop
paths:
  /pgauth/ve1_2/accountvalidation:
    post:
      summary: Penny Drop
      operationId: pennydrop
      responses:
        '200':
          description: OK
          headers:
            BD-Traceid:
              schema:
                type: string
              description: BD-TraceID is a unique identifier passed by the merchant to ensure request idempotency. Requests with identical BD-TraceID within a 24 hour window would fail.
            Content-Type:
              schema:
                type: string
              description: Request Content-Type to take the values application/jose
            Accept:
              schema:
                type: string
              description: Accept Response Content-Type to take the values application/jose
          content:
            application/json:
              schema:
                type: object
                x-examples:
                  Example 1:
                    objectid: accountvalidation
                    bank_account:
                      number: '123456041'
                      ifsc: NPCI0000001
                      name: kiran
                    customer:
                      name: kiran
                    validationid: AV1E0E00000017
                    mercid: BDMERC
                    orderid: BDTESTORDERID876
                    currency: '356'
                    bankid: AVI
                    itemcode: DIRECT
                    additional_info:
                      additional_info1: Details1
                      additional_info2: Details2
                    auth_status: success
                    bankrefno: '831913675598'
                    name_matched: 'true'
                    createdon: '2018-11-15T11:26:14+05:30'
                properties:
                  objectid:
                    $ref: '#/components/schemas/Objectid'
                  bank_account:
                    type: object
                    properties:
                      number:
                        $ref: '#/components/schemas/Bankacc_number'
                      ifsc:
                        $ref: '#/components/schemas/IFSC'
                      name:
                        $ref: '#/components/schemas/Bankaccount_holder_name'
                  customer:
                    type: object
                    properties:
                      name:
                        $ref: '#/components/schemas/Bankaccount_holder_name'
                  validationid:
                    type: string
                  mercid:
                    $ref: '#/components/schemas/Mercid'
                  orderid:
                    $ref: '#/components/schemas/Orderid'
                  currency:
                    $ref: '#/components/schemas/Currency'
                  bankid:
                    $ref: '#/components/schemas/Bankid'
                  itemcode:
                    $ref: '#/components/schemas/Itemcode'
                  additional_info:
                    $ref: '#/components/schemas/Additional-Info'
                  auth_status:
                    type: string
                    description: 'Represents the status of the request – with possible values as

                      • success

                      • failure'
                    enum:
                    - pending
                    - failure
                  bankrefno:
                    $ref: '#/components/schemas/Bank_ref_no'
                  name_matched:
                    type: string
                    description: Value that indicates the status of name matching
                    enum:
                    - 'true'
                    - 'false'
                  createdon:
                    $ref: '#/components/schemas/Createdon'
              examples:
                Success:
                  value:
                    objectid: accountvalidation
                    bank_account:
                      number: '123456041'
                      ifsc: NPCI0000001
                      name: kiran
                    customer:
                      name: kiran
                    validationid: AV1E0E00000017
                    mercid: BDMERCID
                    orderid: BDTESTORDERID876
                    currency: '356'
                    bankid: AVI
                    itemcode: DIRECT
                    auth_status: success
                    bankrefno: '831913675598'
                    name_matched: 'true'
                    createdon: '2018-11-15T11:26:14+05:30'
                Failure:
                  value:
                    objectid: accountvalidation
                    bank_account:
                      number: '11123456789'
                      ifsc: DLXB0000093
                      name: BENE CUSTOMER NAME
                    customer:
                      name: BENES CUSTOMER NAME
                    validationid: AV238D00000100
                    mercid: BDMERC
                    orderid: BDTESTORDERID847
                    currency: '356'
                    bankid: HMP
                    itemcode: DIRECT
                    additional_info: test description
                    auth_status: failure
                    auth_error_code: AVPAE0001
                    auth_error_description: Invalid Account Number
                    auth_error_type: payment_authentication_error
                    createdon: '2018-11-15T11:26:14+05:30'
      description: This API facilitates account validation with pennydrop
      parameters:
      - $ref: '#/components/parameters/bdTraceId'
      - $ref: '#/components/parameters/bdTimeStamp'
      - $ref: '#/components/parameters/Content-Type'
      - $ref: '#/components/parameters/Accept'
      requestBody:
        content:
          application/json:
            schema:
              type: object
              x-examples:
                Example 1:
                  mercid: BDMERC
                  currency: '356'
                  bankid: AVI
                  itemcode: DIRECT
                  additional_info:
                    additional_info1: Details1
                    additional_info2: Details2
                  orderid: BDTESTORDERID876
                  payment_method: bank_account
                  bank_account:
                    number: ' 123456041'
                    ifsc: ' NPCI0000001'
                  customer:
                    name: BENE CUSTOMER NAME
                  device:
                    init_channel: internet
                    ip: 124.124.1.1
                    mac: 11-AC-58-21-1B-AA
                    imei: '990000112233445'
                    user_agent: Mozilla/5.0 (WindowsNT10.0;WOW64;rv:51.0)Gecko/20100101Firefox/51.0
                    accept_header: text/html
                    fingerprintid: 61b12c18b5d0cf901be34a23ca64bb19
              properties:
                mercid:
                  $ref: '#/components/schemas/Mercid'
                currency:
                  $ref: '#/components/schemas/Currency'
                bankid:
                  $ref: '#/components/schemas/Bankid'
                itemcode:
                  $ref: '#/components/schemas/Itemcode'
                additional_info:
                  $ref: '#/components/schemas/Additional-Info'
                orderid:
                  $ref: '#/components/schemas/Orderid'
                payment_method:
                  $ref: '#/components/schemas/Payment_method_type'
                bank_account:
                  type: object
                  properties:
                    number:
                      $ref: '#/components/schemas/Bankacc_number'
                    ifsc:
                      $ref: '#/components/schemas/IFSC'
                customer:
                  type: object
                  properties:
                    name:
                      $ref: '#/components/schemas/Bankaccount_holder_name'
                device:
                  $ref: '#/components/schemas/Device-order'
            examples:
              Request:
                value:
                  objectid: accountvalidation
                  bank_account:
                    number: '123456041'
                    ifsc: NPCI0000001
                    name: kiran
                  customer:
                    name: kiran
                  validationid: AV1E0E00000017
                  mercid: BDMERCID
                  orderid: BDTESTORDERID876
                  currency: '356'
                  bankid: AVI
                  itemcode: DIRECT
                  auth_status: success
                  bankrefno: '831913675598'
                  name_matched: 'true'
                  createdon: '2018-11-15T11:26:14+05:30'
      tags:
      - Penny Drop
components:
  schemas:
    Additional-Info:
      type: object
      x-examples:
        Example 1:
          additional_info:
            additional_info1: Details1
            additional_info2: Details2
            additional_info3: Details3
            additional_info4: Details4
            additional_info5: Details5
            additional_info6: Details6
            additional_info7: Details7
            additional_info8: Details8
            additional_info9: Details9
            additional_info10: Details10
      description: 'Array of 7 additional_info values that can be attached to

        the transaction.

        Note: Merchant is advised to not pass customer PII

        information in additional info fields.'
      properties:
        additional_info1:
          type: string
          example: Details1
        additional_info2:
          type: string
          example: Details2
        additional_info3:
          type: string
          example: Details3
        additional_info4:
          type: string
          example: Details4
        additional_info5:
          type: string
          example: Details5
        additional_info6:
          type: string
          example: Details6
        additional_info7:
          type: string
          example: Details7
    Bankaccount_holder_name:
      title: bankaccount_holder_name
      x-stoplight:
        id: jedjceugzit8g
      type: string
      description: Name of the bank account holder
      example: John Doe
      pattern: ^[A-Za-z0-9\\s\\.'\\-\\~\\@\\_]{1,120}$
    Bank_ref_no:
      title: bank_ref_no
      x-stoplight:
        id: tls0w5ung6eha
      type: string
      description: Transaction reference number generated by bank or acquirer
    Mercid:
      title: mercid
      x-stoplight:
        id: 43ns25lu1fyuc
      type: string
      pattern: ^[A-Za-z0-9]{1,10}$
      example: BDMERCID
      description: Unique identifier as defined by BillDesk for each merchant
    Orderid:
      title: orderid
      x-stoplight:
        id: lmwrwf7xn6wq8
      type: string
      description: Unique ID generated by the merchant for each request
      pattern: ^[-/~A-Za-z0-9\_ \:.,#@!\\*\\+]{1,120}$
      example: TEST0000009005
    Currency:
      title: currency
      x-stoplight:
        id: 1ehjh4f7vidz7
      type: string
      description: ISO currency of the transaction amount, for INR this value will be 356
    Bankacc_number:
      title: bankacc_number
      x-stoplight:
        id: 9nwo0pwlz0qos
      type: string
      description: Bank account number
      pattern: ^\\d{9,18}$
      example: '12233445566'
    IFSC:
      title: IFSC
      x-stoplight:
        id: grn65kr3i0pk0
      type: string
      description: IFSC of the bank account number
      pattern: ^[A-Za-z]{4}[a-zA-Z0-9]{7}$
      example: IDBK10000002
    Bankid:
      title: bankid
      x-stoplight:
        id: gf7ntync4cj73
      type: string
      description: 'BillDesk defined unique identifier for acquirer

        Mandatory for Upi and Netbanking flows'
      example: 1HM
      pattern: ^[A-Za-z0-9]{1,10}$
    Createdon:
      title: createdon
      x-stoplight:
        id: k3ewegvbimz0g
      type: string
      description: object creation timestamp
      format: date-time
    Payment_method_type:
      title: payment_method_type
      x-stoplight:
        id: kklghqguq1r3q
      type: string
      description: 'Represents the method of payment, and can take the following values - card, netbanking, wallet, upi, eft, bankaccount, cashcard, cardless (non-card emi option)

        The associated object will also be provided in the request.'
      enum:
      - card
      - netbanking
      - upi
      - eft
      - cardless
      - bankaccount
    Itemcode:
      title: item code
      x-stoplight:
        id: tz16mo44yvoae
      type: string
      description: Itemcode value as provided by BillDesk, with a default value DIRECT
      example: DIRECT
      pattern: ^[A-Za-z0-9]{1,20}$
    Device-order:
      type: object
      x-stoplight:
        id: bu2ij616i2uce
      x-examples:
        Example 1:
          device:
            init_channel: internet
            ip: 124.124.1.1
            mac: 11-AC-58-21-1B-AA
            imei: '990000112233445'
            user_agent: Mozilla/5.0(WindowsNT10.0;WOW64;rv:51.0)Gecko/20100101Firefox/51.0
            accept_header: text/html
            fingerprintid: 61b12c18b5d0cf901be34a23ca64bb19
            browser_tz: '-330'
            browser_color_depth: '32'
            browser_java_enabled: 'false'
            browser_screen_height: '601'
            browser_screen_width: '657'
            browser_language: en-US
            browser_javascript_enabled: 'true'
      title: Device object
      description: Device Object
      properties:
        init_channel:
          type: string
          description: Initiating channel,accepted values are internet,app or kiosk
          enum:
          - internet
          - app
          - kiosk
        ip:
          type: string
          description: Customer’s IP address
          maxLength: 15
        user_agent:
          type: string
          description: 'Exact content of the HTTP user-agent header


            Note: If the total length of the User-Agent sent by the browser exceeds 2048 characters, truncate the excess portion'
          example: 'Mozilla/5.0(WindowsNT10.0;WOW64;rv: 51.0)Gecko/20100101Firefox/51.0'
          pattern: =^[A-Za-z0-9\\_\\:\\-\\,\\;\\/\\)\\(\\.\\s\\+\\[\\]\\=@]{10,255}$
        accept_header:
          type: string
          description: Customer browser accept header values
          maxLength: 255
          example: application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.9
          pattern: ^[0-9A-Za-z\\.\\+\\-\\/\\=\\*\\,\\;]{10,255}$
      required:
      - init_channel
      - ip
      - user_agent
      - accept_header
    Objectid:
      title: objectid
      x-stoplight:
        id: bbwm8bhhbqd4r
      type: string
      description: 'String representing the object''s type. Objects of the same type share the same value. '
      enum:
      - transaction
      - authentication
      - mandate
      - invoice
      - cardaccount
      - validatevpa
      - dispute
      - settlement
      - altid
      - mandate_token
      - accountvalidation
  parameters:
    Content-Type:
      name: Content-Type
      in: header
      required: true
      schema:
        type: string
        example: application/json
      description: Request Content-Type to take the values application/jose
    bdTraceId:
      in: header
      name: BD-Traceid
      description: BD-TraceID is a unique identifier passed by the merchant to ensure request idempotency. Requests with identical BD-TraceID within a 24 hour window would fail.
      required: true
      schema:
        type: string
        example: '20201203182838'
    bdTimeStamp:
      in: header
      name: BD-Timestamp
      description: Request timestamp to identify date and time of origin of request. Example, a value of BD-Timestamp 20210113180403 identifies the request to have originated on 13th January 2021 at 06:04:03 PM.
      required: true
      schema:
        type: string
        example: '20201203182838'
    Accept:
      name: Accept
      in: header
      required: true
      schema:
        type: string
        example: application/jose
      description: Accept Response Content-Type to take the values application/jose
x-stoplight:
  id: l1vkc0g92donk
x-samples-languages:
- shell
- json
- node
- java
- csharp
x-provenance:
  method: searched
  source: https://docs.billdesk.io/reference
  harvested: '2026-10-14'
  tool: harvest-readme-openapi.py
  note: Assembled verbatim from the OpenAPI definition ReadMe embeds in each operation page of the provider's developer portal; paths and components merged by API title, nothing authored.
  assembled_from:
  - https://docs.billdesk.io/reference/pennydrop.md
  merge:
    pages: 1
    deduped: 0
    conflicts_kept_first: 0