Auswide Bank Banking Accounts API

openapi: 3.0.3
info:
  contact:
    email: contact@dsb.gov.au
    name: Data Standards Body
    url: https://dsb.gov.au/
  description: Specifications for resource endpoints applicable to data holders in the Banking sector.
  license:
    name: MIT License
    url: https://opensource.org/licenses/MIT
  title: CDR Banking Banking Account Balances Banking Accounts API
  version: 1.36.0
servers:
- description: MTLS
  url: https://mtls.dh.example.com/cds-au/v1
tags:
- description: Banking Account endpoints
  name: Banking Accounts
  x-shortName: Accounts
paths:
  /banking/accounts:
    get:
      description: 'Obtain a list of accounts.


        Obsolete versions: [v1](includes/obsolete/get-accounts-v1.html), [v2](includes/obsolete/get-accounts-v2.html).'
      operationId: listBankingAccounts
      parameters:
      - description: Used to filter results on the _productCategory_ field applicable to accounts. Any one of the valid values for this field can be supplied. If absent then all accounts returned.
        explode: true
        in: query
        name: product-category
        required: false
        schema:
          $ref: '#/components/schemas/BankingProductCategoryV2'
        style: form
      - description: Used to filter results according to open/closed status. Values can be `OPEN`, `CLOSED` or `ALL`. If absent then `ALL` is assumed.
        explode: true
        in: query
        name: open-status
        required: false
        schema:
          default: ALL
          enum:
          - ALL
          - CLOSED
          - OPEN
          type: string
        style: form
      - description: Filters accounts based on whether they are owned by the authorised customer. `true` for owned accounts, `false` for unowned accounts and absent for all accounts.
        explode: true
        in: query
        name: is-owned
        required: false
        schema:
          type: boolean
        style: form
      - description: Page of results to request (standard pagination).
        explode: true
        in: query
        name: page
        required: false
        schema:
          default: 1
          type: integer
        style: form
        x-cds-type: PositiveInteger
      - description: Page size to request. Default is 25 (standard pagination).
        explode: true
        in: query
        name: page-size
        required: false
        schema:
          default: 25
          type: integer
        style: form
        x-cds-type: PositiveInteger
      - description: Version of the API endpoint requested by the client. Must be set to a positive integer. The endpoint should respond with the highest supported version between [_x-min-v_](#request-headers) and [_x-v_](#request-headers). If the value of [_x-min-v_](#request-headers) is equal to or higher than the value of [_x-v_](#request-headers) then the [_x-min-v_](#request-headers) header should be treated as absent. If all versions requested are not supported then the endpoint **MUST** respond with a `406 Not Acceptable`. See [HTTP Headers](#request-headers).
        explode: false
        in: header
        name: x-v
        required: true
        schema:
          type: string
        style: simple
      - description: Minimum version of the API endpoint requested by the client. Must be set to a positive integer if provided. The endpoint should respond with the highest supported version between [_x-min-v_](#request-headers) and [_x-v_](#request-headers). If all versions requested are not supported then the endpoint **MUST** respond with a `406 Not Acceptable`.
        explode: false
        in: header
        name: x-min-v
        required: false
        schema:
          type: string
        style: simple
      - description: An **[[RFC4122]](#nref-RFC4122)** UUID used as a correlation id. If provided, the data holder **MUST** play back this value in the _x-fapi-interaction-id_ response header. If not provided a **[[RFC4122]](#nref-RFC4122)** UUID value is required to be provided in the response header to track the interaction.
        explode: false
        in: header
        name: x-fapi-interaction-id
        required: false
        schema:
          type: string
        style: simple
      - description: The time when the customer last logged in to the Data Recipient Software Product as described in **[[FAPI-1.0-Baseline]](#nref-FAPI-1-0-Baseline)**. Required for all resource calls (customer present and unattended). Not required for unauthenticated calls.
        explode: false
        in: header
        name: x-fapi-auth-date
        required: false
        schema:
          type: string
        style: simple
        x-conditional: true
      - description: The customer's original IP address if the customer is currently logged in to the Data Recipient Software Product. The presence of this header indicates that the API is being called in a customer present context. Not to be included for unauthenticated calls.
        explode: false
        in: header
        name: x-fapi-customer-ip-address
        required: false
        schema:
          type: string
        style: simple
      - description: The customer's original standard http headers [Base64](#common-field-types) encoded, including the original User-Agent header, if the customer is currently logged in to the Data Recipient Software Product. Mandatory for customer present calls. Not required for unattended or unauthenticated calls.
        explode: false
        in: header
        name: x-cds-client-headers
        required: false
        schema:
          type: string
        style: simple
        x-conditional: true
        x-cds-type: Base64
      responses:
        '200':
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ResponseBankingAccountListV3'
          description: Successful response
          headers:
            x-v:
              $ref: '#/components/headers/XV'
            x-fapi-interaction-id:
              $ref: '#/components/headers/XFAPIInteractionId'
        '400':
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ResponseErrorListV2'
          description: The following error codes **MUST** be supported:<br/><ul class="error-code-list"><li>[400 - Invalid Field](#error-400-field-invalid)</li><li>[400 - Missing Required Field](#error-400-field-missing)</li><li>[400 - Missing Required Header](#error-400-header-missing)</li><li>[400 - Invalid Version](#error-400-header-invalid-version)</li><li>[400 - Invalid Page Size](#error-400-field-invalid-page-size)</li></ul>
          headers:
            x-fapi-interaction-id:
              $ref: '#/components/headers/XFAPIInteractionId'
        '406':
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ResponseErrorListV2'
          description: The following error codes **MUST** be supported:<br/><ul class="error-code-list"><li>[406 - Unsupported Version](#error-406-header-unsupported-version)</li></ul>
          headers:
            x-fapi-interaction-id:
              $ref: '#/components/headers/XFAPIInteractionId'
        '422':
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ResponseErrorListV2'
          description: The following error codes **MUST** be supported:<br/><ul class="error-code-list"><li>[422 - Invalid Page](#error-422-field-invalid-page)</li></ul>
          headers:
            x-fapi-interaction-id:
              $ref: '#/components/headers/XFAPIInteractionId'
      summary: Get Accounts
      tags:
      - Banking Accounts
      x-scopes:
      - bank:accounts.basic:read
      x-version: '3'
  /banking/accounts/{accountId}:
    get:
      description: 'Obtain detailed information on a single account.


        Obsolete versions: [v1](includes/obsolete/get-account-detail-v1.html), [v2](includes/obsolete/get-account-detail-v2.html), [v3](includes/obsolete/get-account-detail-v3.html), [v4](includes/obsolete/get-account-detail-v4.html).'
      operationId: getBankingAccountDetail
      parameters:
      - description: The _accountId_ to obtain data for. _accountId_ values are returned by account list endpoints.
        explode: false
        in: path
        name: accountId
        required: true
        schema:
          $ref: '#/components/schemas/BankingAccountId'
        style: simple
      - description: Version of the API endpoint requested by the client. Must be set to a positive integer. The endpoint should respond with the highest supported version between [_x-min-v_](#request-headers) and [_x-v_](#request-headers). If the value of [_x-min-v_](#request-headers) is equal to or higher than the value of [_x-v_](#request-headers) then the [_x-min-v_](#request-headers) header should be treated as absent. If all versions requested are not supported then the endpoint **MUST** respond with a `406 Not Acceptable`. See [HTTP Headers](#request-headers).
        explode: false
        in: header
        name: x-v
        required: true
        schema:
          type: string
        style: simple
      - description: Minimum version of the API endpoint requested by the client. Must be set to a positive integer if provided. The endpoint should respond with the highest supported version between [_x-min-v_](#request-headers) and [_x-v_](#request-headers). If all versions requested are not supported then the endpoint **MUST** respond with a `406 Not Acceptable`.
        explode: false
        in: header
        name: x-min-v
        required: false
        schema:
          type: string
        style: simple
      - description: An **[[RFC4122]](#nref-RFC4122)** UUID used as a correlation id. If provided, the data holder **MUST** play back this value in the _x-fapi-interaction-id_ response header. If not provided a **[[RFC4122]](#nref-RFC4122)** UUID value is required to be provided in the response header to track the interaction.
        explode: false
        in: header
        name: x-fapi-interaction-id
        required: false
        schema:
          type: string
        style: simple
      - description: The time when the customer last logged in to the Data Recipient Software Product as described in **[[FAPI-1.0-Baseline]](#nref-FAPI-1-0-Baseline)**. Required for all resource calls (customer present and unattended). Not required for unauthenticated calls.
        explode: false
        in: header
        name: x-fapi-auth-date
        required: false
        schema:
          type: string
        style: simple
        x-conditional: true
      - description: The customer's original IP address if the customer is currently logged in to the Data Recipient Software Product. The presence of this header indicates that the API is being called in a customer present context. Not to be included for unauthenticated calls.
        explode: false
        in: header
        name: x-fapi-customer-ip-address
        required: false
        schema:
          type: string
        style: simple
      - description: The customer's original standard http headers [Base64](#common-field-types) encoded, including the original User-Agent header, if the customer is currently logged in to the Data Recipient Software Product. Mandatory for customer present calls. Not required for unattended or unauthenticated calls.
        explode: false
        in: header
        name: x-cds-client-headers
        required: false
        schema:
          type: string
        style: simple
        x-conditional: true
        x-cds-type: Base64
      responses:
        '200':
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ResponseBankingAccountByIdV5'
          description: Successful response
          headers:
            x-v:
              $ref: '#/components/headers/XV'
            x-fapi-interaction-id:
              $ref: '#/components/headers/XFAPIInteractionId'
        '400':
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ResponseErrorListV2'
          description: The following error codes **MUST** be supported:<br/><ul class="error-code-list"><li>[400 - Invalid Field](#error-400-field-invalid)</li><li>[400 - Missing Required Field](#error-400-field-missing)</li><li>[400 - Missing Required Header](#error-400-header-missing)</li><li>[400 - Invalid Version](#error-400-header-invalid-version)</li></ul>
          headers:
            x-fapi-interaction-id:
              $ref: '#/components/headers/XFAPIInteractionId'
        '404':
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ResponseErrorListV2'
          description: The following error codes **MUST** be supported:<br/><ul class="error-code-list"><li>[404 - Unavailable Banking Account](#error-404-authorisation-unavailable-banking-account)</li><li>[404 - Invalid Banking Account](#error-404-authorisation-invalid-banking-account)</li></ul>
          headers:
            x-fapi-interaction-id:
              $ref: '#/components/headers/XFAPIInteractionId'
        '406':
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ResponseErrorListV2'
          description: The following error codes **MUST** be supported:<br/><ul class="error-code-list"><li>[406 - Unsupported Version](#error-406-header-unsupported-version)</li></ul>
          headers:
            x-fapi-interaction-id:
              $ref: '#/components/headers/XFAPIInteractionId'
      summary: Get Account Detail
      tags:
      - Banking Accounts
      x-scopes:
      - bank:accounts.detail:read
      x-version: '5'
components:
  schemas:
    ErrorV2_meta:
      description: Additional data for customised error codes.
      properties:
        urn:
          description: The CDR error code URN which the application-specific error code extends. Mandatory if the error _code_ is an application-specific error rather than a standardised error code.
          type: string
      type: object
      x-conditional:
      - urn
    BankingProductDiscountV2:
      description: Note that the currency of the fee discount is expected to be the same as the currency of the fee itself.
      properties:
        description:
          description: Description of the discount.
          type: string
        discountType:
          description: The type of discount. For further details, refer to [Product Discount Types](#tocSproductdiscounttypedoc).
          enum:
          - BALANCE
          - DEPOSITS
          - ELIGIBILITY_ONLY
          - FEE_CAP
          - PAYMENTS
          type: string
        discountMethodUType:
          description: Reference to the applicable fee discount method structure.
          enum:
          - fixedAmount
          - rateBased
          type: string
        fixedAmount:
          allOf:
          - $ref: '#/components/schemas/BankingFeeDiscountAmount'
          description: Mandatory if the _discountMethodUType_ value is `fixedAmount`. Where the discount is a specific amount.
        rateBased:
          allOf:
          - $ref: '#/components/schemas/BankingFeeDiscountRate'
          description: Mandatory if the _discountMethodUType_ value is `rateBased`. Where the discount is based on a type of rate. Unless noted in _additionalInfo_, assumes the application and calculation frequency are the same as the corresponding fee.
        additionalValue:
          description: Generic field containing additional information relevant to the [_discountType_](#tocSproductdiscounttypedoc) specified. Whether mandatory or not is dependent on the value of [_discountType_](#tocSproductdiscounttypedoc).
          type: string
        additionalInfo:
          description: Display text providing more information on the discount.
          type: string
        additionalInfoUri:
          description: Link to a web page with more information on this discount.
          type: string
          x-cds-type: URIString
        eligibility:
          description: Eligibility constraints that apply to this discount. Mandatory if the [_discountType_](#tocSproductdiscounttypedoc) value is `ELIGIBILITY_ONLY`.
          items:
            $ref: '#/components/schemas/BankingProductDiscountEligibility'
          type: array
      required:
      - description
      - discountMethodUType
      - discountType
      type: object
      x-conditional:
      - fixedAmount
      - rateBased
      - additionalValue
      - eligibility
    Meta:
      type: object
    BankingFeeDiscountRate:
      properties:
        rateType:
          description: Type of fee rate discount calculation.<ul><li>`BALANCE` A fee rate discount based on a balance</li><li>`FEE` A fee rate discount based on the fee to which the discount is attached</li><li>`INTEREST_ACCRUED` A fee rate discount based on interest accrued</li><li>`TRANSACTION` A fee rate discount based on a transaction.</li></ul>
          enum:
          - BALANCE
          - FEE
          - INTEREST_ACCRUED
          - TRANSACTION
          type: string
        rate:
          description: The fee rate discount calculated according to the _rateType_.
          type: string
          x-cds-type: RateString
        amountRange:
          $ref: '#/components/schemas/BankingFeeDiscountRange'
      required:
      - rate
      - rateType
      type: object
    Links:
      properties:
        self:
          description: Fully qualified link that generated the current response document.
          type: string
          x-cds-type: URIString
      required:
      - self
      type: object
    CommonSimpleAddress:
      description: Mandatory if the _addressUType_ value is `simple`.
      properties:
        mailingName:
          description: Name of the individual or business formatted for inclusion in an address used for physical mail.
          type: string
        addressLine1:
          description: First line of the standard address object.
          type: string
        addressLine2:
          description: Second line of the standard address object.
          type: string
        addressLine3:
          description: Third line of the standard address object.
          type: string
        postcode:
          description: Mandatory for Australian addresses.
          type: string
        city:
          description: Name of the city or locality.
          type: string
        state:
          description: Free text if the country is not Australia. If country is Australia then must be one of the values defined by the [State Type Abbreviation](https://auspost.com.au/content/dam/auspost_corp/media/documents/australia-post-data-guide.pdf) in the PAF file format. `NSW`, `QLD`, `VIC`, `NT`, `WA`, `SA`, `TAS`, `ACT`, `AAT`.
          type: string
        country:
          default: AUS
          description: A valid [ISO 3166 Alpha-3](https://www.iso.org/iso-3166-country-codes.html) country code. Australia (`AUS`) is assumed if country is not present.
          type: string
          x-cds-type: ExternalRef
      required:
      - addressLine1
      - city
      - state
      type: object
      x-conditional:
      - postcode
    LinksPaginated:
      properties:
        self:
          description: Fully qualified link that generated the current response document.
          type: string
          x-cds-type: URIString
        first:
          description: URI to the first page of this set. Mandatory if this response is not the first page.
          type: string
          x-cds-type: URIString
        prev:
          description: URI to the previous page of this set. Mandatory if this response is not the first page.
          type: string
          x-cds-type: URIString
        next:
          description: URI to the next page of this set. Mandatory if this response is not the last page.
          type: string
          x-cds-type: URIString
        last:
          description: URI to the last page of this set. Mandatory if this response is not the last page.
          type: string
          x-cds-type: URIString
      required:
      - self
      type: object
      x-conditional:
      - prev
      - next
      - first
      - last
    BankingAccountDetailV5:
      allOf:
      - $ref: '#/components/schemas/BankingAccountV3'
      - $ref: '#/components/schemas/BankingAccountDetailV5_allOf'
    ResponseBankingAccountByIdV5:
      properties:
        data:
          $ref: '#/components/schemas/BankingAccountDetailV5'
        links:
          $ref: '#/components/schemas/Links'
        meta:
          $ref: '#/components/schemas/Meta'
      required:
      - data
      - links
      type: object
    BankingFeeRate:
      properties:
        rateType:
          description: Type of fee rate calculation.<ul><li>`BALANCE` A fee rate based on a balance</li><li>`INTEREST_ACCRUED` A fee rate based on interest accrued</li><li>`TRANSACTION` A fee rate based on a transaction.</li></ul>
          enum:
          - BALANCE
          - INTEREST_ACCRUED
          - TRANSACTION
          type: string
        rate:
          description: The fee rate calculated according to the _rateType_.
          type: string
          x-cds-type: RateString
        accrualFrequency:
          description: The indicative frequency with which the fee is calculated on the account if applicable. Formatted according to [ISO 8601 Durations](https://en.wikipedia.org/wiki/ISO_8601#Durations) (excludes recurrence syntax).
          type: string
          x-cds-type: ExternalRef
        amountRange:
          $ref: '#/components/schemas/BankingFeeRange'
      required:
      - rate
      - rateType
      type: object
      x-conditional:
      - balanceRate
      - transactionRate
      - accruedRate
    BankingProductDepositRateV2:
      properties:
        depositRateType:
          description: The type of rate (`FIXED`, `VARIABLE`, `BONUS`, etc.) For further details, refer to [Product Deposit Rate Types](#tocSproductdepositratetypedoc).
          enum:
          - BONUS
          - BUNDLE_BONUS
          - FIXED
          - FLOATING
          - INTRODUCTORY
          - MARKET_LINKED
          - VARIABLE
          example: VARIABLE
          type: string
        rate:
          description: The rate to be applied.
          type: string
          x-cds-type: RateString
        calculationFrequency:
          description: The period after which the rate is applied to the balance to calculate the amount due for the period. Calculation of the amount is often daily (as balances may change) but accumulated until the total amount is 'applied' to the account (see _applicationFrequency_). Formatted according to [ISO 8601 Durations](https://en.wikipedia.org/wiki/ISO_8601#Durations) (excludes recurrence syntax).
          type: string
          x-cds-type: ExternalRef
        applicationType:
          description: The type of approach used to apply the rate to the account.
          enum:
          - MATURITY
          - PERIODIC
          - UPFRONT
          example: PERIODIC
          type: string
        applicationFrequency:
          description: The period after which the calculated amount(s) (see _calculationFrequency_) are 'applied' (i.e. debited or credited) to the account. Formatted according to [ISO 8601 Durations](https://en.wikipedia.org/wiki/ISO_8601#Durations) (excludes recurrence syntax). Mandatory if the _applicationType_ value is `PERIODIC`.
          type: string
          x-cds-type: ExternalRef
        tiers:
          description: Qualifying criteria or conditions relevant to the associated rate.
          items:
            $ref: '#/components/schemas/BankingProductRateTierV4'
          type: array
        applicabilityConditions:
          description: Applicability conditions for the rate.
          items:
            $ref: '#/components/schemas/BankingProductRateConditionV2'
          type: array
        additionalValue:
          description: Generic field containing additional information relevant to the [_depositRateType_](#tocSproductdepositratetypedoc) specified. Whether mandatory or not is dependent on the value of [_depositRateType_](#tocSproductdepositratetypedoc).
          type: string
        additionalInfo:
          description: Display text providing more information on the rate.
          type: string
        additionalInfoUri:
          description: Link to a web page with more information on this rate.
          type: string
          x-cds-type: URIString
      required:
      - applicationType
      - depositRateType
      - rate
      type: object
      x-conditional:
      - additionalValue
      - applicationFrequency
    BankingCreditCardAccount:
      properties:
        minPaymentAmount:
          description: The minimum payment amount due for the next card payment.
          type: string
          x-cds-type: AmountString
        paymentDueAmount:
          description: The amount due for the next card payment.
          type: string
          x-cds-type: AmountString
        paymentCurrency:
          default: AUD
          description: If absent assumes `AUD`.
          type: string
          x-cds-type: CurrencyString
        paymentDueDate:
          description: Date that the next payment for the card is due.
          type: string
          x-cds-type: DateString
      required:
      - minPaymentAmount
      - paymentDueAmount
      - paymentDueDate
      type: object
    BankingAccountDetailV5_allOf:
      properties:
        bsb:
          description: The unmasked BSB for the account. Is expected to be formatted as digits only with leading zeros included and no punctuation or spaces.
          type: string
        accountNumber:
          description: The unmasked account number for the account. Should not be supplied if the account number is a PAN requiring PCI compliance. Is expected to be formatted as digits only with leading zeros included and no punctuation or spaces.
          type: string
        bundleName:
          description: Optional field to indicate if this account is part of a bundle that is providing additional benefit to the customer.
          type: string
        instalments:
          $ref: '#/components/schemas/BankingProductInstalments'
        specificAccountUType:
          description: The type of structure to present account specific fields.
          enum:
          - creditCard
          - loan
          - termDeposit
          type: string
        termDeposit:
          description: Mandatory if the _specificAccountUType_ value is `termDeposit`.
          items:
            $ref: '#/components/schemas/BankingTermDepositAccount'
          type: array
        creditCard:
          allOf:
          - $ref: '#/components/schemas/BankingCreditCardAccount'
          description: Mandatory if the _specificAccountUType_ value is `creditCard`.
        loan:
          allOf:
          - $ref: '#/components/schemas/BankingLoanAccountV3'
          description: Mandatory if the _specificAccountUType_ value is `loan`.
        depositRate:
          description: Current rate to calculate interest earned being applied to deposit balances as it stands at the time of the API call.
          type: string
          x-cds-type: RateString
        lendingRate:
          description: The current rate to calculate interest payable being applied to lending balances as it stands at the time of the API call.
          type: string
          x-cds-type: RateString
        depositRates:
          description: Fully described deposit rates for this account based on the equivalent structure in Product Reference.
          items:
            $ref: '#/components/schemas/BankingProductDepositRateV2'
          type: array
        lendingRates:
          description: Fully described lending rates for this account based on the equivalent structure in Product Reference.
          items:
            $ref: '#/components/schemas/BankingProductLendingRateV3'
          type: array
        features:
          description: Array of features of the account based on the equivalent structure in Product Reference with the following additional field.
          items:
            allOf:
            - $ref: '#/components/schemas/BankingProductFeatureV4'
            - properties:
                isActivated:
                  default: UNKNOWN
                  description: <ul><li>`ACTIVATED` if the feature has been activated by the customer or is a standard feature of the product</li><li>`NOT_ACTIVATED` if the feature is not activated but is available for activation</li><li>`UNKNOWN` or absent if the activation state is unknown.</ul>**Note:** This is an additional field appended to the feature structure defined in the Product Reference payload.
                  enum:
                  - ACTIVATED
                  - NOT_ACTIVATED
                  - UNKNOWN
                  type: string
              type: object
            type: object
          type: array
        fees:
          description: Fees and charges applicable to the account based on the equivalent structure in Product Reference.
          items:
            $ref: '#/components/schemas/BankingProductFeeV2'
          type: array
        addresses:
          description: The addresses for the account to be used for correspondence.
          items:
            $ref: '#/components/schemas/CommonPhysicalAddress'
          type: array
      type: object
      x-conditional:
      - termDeposit
      - creditCard
      - loan
    ErrorV2:
      properties:
        code:
          description: The code of the error encountered. Where the error is specific to the respondent, an application-specific error code, expressed as a string value. If the error is application-specific, the URN code that the specific error extends must be provided in the _meta_ object. Otherwise, the value is the error code URN.
          type: string
        title:
          description: A short, human-readable summary of the problem that **MUST NOT** change from occurrence to occurrence of the problem represented by the error code.
          type: string
        detail:
          description: A human-readable explanation specific to this occurrence of the problem.
          type: string
        meta:
          $ref: '#/components/schemas/ErrorV2_meta'
      required:
      - code
      - detail
      - title
      type: object
      x-conditional:
      - meta
    BankingProductInstalments:
      description: Details of instalment features on the account.
      properties:
        maximumConcurrentPlans:
          description: Maximum number of concurrent active instalment plans that may be created on the account. If `null`, there is no predetermined maximum number.
          type: integer
          x-cds-type: NaturalNumber
        instalmentsLimit:
          description: Maximum combined limit of all instalment plans that may be created on the account. If `null` or not present, an opened account balance _creditLimit_ may be assumed to provide a maximum limit for instalments.
          type: string
          x-cds-type: AmountString
        minimumPlanValue:
          description: Minimum value that can be opened as an instalment plan.
          type: string
          x-cds-type: AmountString
        maximumPlanValue:
          description: Maximum value that can be opened as an instalment plan. If `null` or not present, _instalmentsLimit_ is assumed to be the maximum individual plan value.
          type: string
          x-cds-type: AmountString
        minimumSplit:
          description: Minimum number of instalment payments a plan can be created with.
          example: 4
          type: integer
          x-cds-type: PositiveInteger
        maximumSplit:
          description: Maximum number of instalment payments a plan can be created with.
          example: 4
          type: integer
          x-cds-type: PositiveInteger
      required:
      - maximumSplit
      - minimumSplit
      type: object
    ResponseBankingAccountListV3_data:
      properties:
        accounts:
          description: The list of accounts returned. If the filter results in an empty set then this array may have no records.
          items:
            $ref: '#/components/schemas/BankingAccountV3'
          type: array
      required:
      - accounts
      type: object
    BankingAccountId:
      description: A unique identifier for a Banking account, generated according to [CDR ID Permanence](#id-permanence) requirements.
      typ

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# Full source: https://raw.githubusercontent.com/api-evangelist/auswide-bank/refs/heads/main/openapi/auswide-bank-banking-accounts-api-openapi.yml