openapi: 3.2.0
info:
  title: Account and Transaction API Specification Accounts API
  description: Swagger for Account and Transaction API Specification
  termsOfService: https://tell.money/api_terms
  contact:
    name: Tell Connect Support
    email: tpp_support@tell.money
  version: v3.1.0
servers:
- url: https://secure.tell.systems/algbra/open-banking/v3.1/aisp
tags:
- name: Accounts
paths:
  /accounts:
    get:
      tags:
      - Accounts
      summary: Get Accounts
      operationId: GetAccounts
      parameters:
      - $ref: '#/components/parameters/x-fapi-financial-id-Param'
      - $ref: '#/components/parameters/x-fapi-customer-last-logged-time-Param'
      - $ref: '#/components/parameters/x-fapi-customer-ip-address-Param'
      - $ref: '#/components/parameters/x-fapi-interaction-id-Param'
      - $ref: '#/components/parameters/AuthorizationParam'
      - $ref: '#/components/parameters/x-customer-user-agent-Param'
      responses:
        '200':
          $ref: '#/components/responses/200AccountsRead'
        '400':
          $ref: '#/components/responses/400ErrorResponse'
        '401':
          $ref: '#/components/responses/401ErrorResponse'
        '403':
          $ref: '#/components/responses/403ErrorResponse'
        '404':
          $ref: '#/components/responses/404ErrorResponse'
        '405':
          $ref: '#/components/responses/405ErrorResponse'
        '406':
          $ref: '#/components/responses/406ErrorResponse'
        '429':
          $ref: '#/components/responses/429ErrorResponse'
        '500':
          $ref: '#/components/responses/500ErrorResponse'
      security:
      - PSUOAuth2Security:
        - accounts
  /accounts/{AccountId}:
    get:
      tags:
      - Accounts
      summary: Get Accounts
      operationId: GetAccountsAccountId
      parameters:
      - $ref: '#/components/parameters/AccountId'
      - $ref: '#/components/parameters/x-fapi-financial-id-Param'
      - $ref: '#/components/parameters/x-fapi-customer-last-logged-time-Param'
      - $ref: '#/components/parameters/x-fapi-customer-ip-address-Param'
      - $ref: '#/components/parameters/x-fapi-interaction-id-Param'
      - $ref: '#/components/parameters/AuthorizationParam'
      - $ref: '#/components/parameters/x-customer-user-agent-Param'
      responses:
        '200':
          $ref: '#/components/responses/200AccountsAccountIdRead'
        '400':
          $ref: '#/components/responses/400ErrorResponse'
        '401':
          $ref: '#/components/responses/401ErrorResponse'
        '403':
          $ref: '#/components/responses/403ErrorResponse'
        '405':
          $ref: '#/components/responses/405ErrorResponse'
        '406':
          $ref: '#/components/responses/406ErrorResponse'
        '429':
          $ref: '#/components/responses/429ErrorResponse'
        '500':
          $ref: '#/components/responses/500ErrorResponse'
      security:
      - PSUOAuth2Security:
        - accounts
components:
  responses:
    200AccountsRead:
      description: Accounts Read
      headers:
        x-fapi-interaction-id:
          description: An RFC4122 UID used as a correlation id.
          schema:
            type: string
      content:
        application/json; charset=utf-8:
          schema:
            $ref: '#/components/schemas/OBReadAccount3'
    500ErrorResponse:
      description: Internal Server Error
      content:
        application/json; charset=utf-8:
          schema:
            $ref: '#/components/schemas/OBErrorResponse1'
    403ErrorResponse:
      description: Forbidden
    429ErrorResponse:
      description: Too Many Requests
      headers:
        Retry-After:
          description: Number in seconds to wait
          schema:
            type: integer
    406ErrorResponse:
      description: Not Acceptable
    404ErrorResponse:
      description: Not found
    405ErrorResponse:
      description: Method Not Allowed
    401ErrorResponse:
      description: Unauthorized
    200AccountsAccountIdRead:
      description: Accounts Read
      headers:
        x-fapi-interaction-id:
          description: An RFC4122 UID used as a correlation id.
          schema:
            type: string
      content:
        application/json; charset=utf-8:
          schema:
            $ref: '#/components/schemas/OBReadAccount3'
    400ErrorResponse:
      description: Bad request
      content:
        application/json; charset=utf-8:
          schema:
            $ref: '#/components/schemas/OBErrorResponse1'
  parameters:
    x-fapi-interaction-id-Param:
      in: header
      name: x-fapi-interaction-id
      required: false
      description: An RFC4122 UID used as a correlation id.
      schema:
        type: string
    x-customer-user-agent-Param:
      in: header
      name: x-customer-user-agent
      description: Indicates the user-agent that the PSU is using.
      required: false
      schema:
        type: string
    AuthorizationParam:
      in: header
      name: Authorization
      required: false
      description: An Authorisation Token as per https://tools.ietf.org/html/rfc6750 - required for API calls but may be ommited when using Swagger UI where the "Authorize" function has been operated
      schema:
        type: string
    AccountId:
      name: AccountId
      in: path
      description: AccountId
      required: true
      schema:
        type: string
    x-fapi-customer-ip-address-Param:
      in: header
      name: x-fapi-customer-ip-address
      required: false
      description: The PSU's IP address if the PSU is currently logged in with the TPP.
      schema:
        type: string
    x-fapi-customer-last-logged-time-Param:
      in: header
      name: x-fapi-customer-last-logged-time
      required: false
      description: "The time when the PSU last logged in with the TPP. \nAll dates in the HTTP headers are represented as RFC 7231 Full Dates. An example is below: \nSun, 10 Sep 2017 19:43:31 UTC"
      schema:
        type: string
        pattern: ^(Mon|Tue|Wed|Thu|Fri|Sat|Sun), \d{2} (Jan|Feb|Mar|Apr|May|Jun|Jul|Aug|Sep|Oct|Nov|Dec) \d{4} \d{2}:\d{2}:\d{2} (GMT|UTC)$
    x-fapi-financial-id-Param:
      in: header
      name: x-fapi-financial-id
      required: true
      description: The unique id of the ASPSP to which the request is issued. The unique id will be issued by OB.
      schema:
        type: string
        default: ea01566d-f21d-49af-9d0c-b74fbe36911f
  schemas:
    OBAccount3:
      description: Unambiguous identification of the account to which credit and debit entries are made.
      type: object
      properties:
        AccountId:
          $ref: '#/components/schemas/AccountId'
        Currency:
          description: "Identification of the currency in which the account is held. \nUsage: Currency should only be used in case one and the same account number covers several currencies\nand the initiating party needs to identify which currency needs to be used for settlement on the account."
          type: string
          pattern: ^[A-Z]{3,3}$
        AccountType:
          $ref: '#/components/schemas/OBExternalAccountType1Code'
        AccountSubType:
          $ref: '#/components/schemas/OBExternalAccountSubType1Code'
        Description:
          description: Specifies the description of the account type.
          type: string
          minLength: 1
          maxLength: 35
        Nickname:
          description: The nickname of the account, assigned by the account owner in order to provide an additional means of identification of the account.
          type: string
          minLength: 1
          maxLength: 70
        Account:
          items:
            $ref: '#/components/schemas/OBCashAccount5'
          type: array
          description: Provides the details to identify an account.
        Servicer:
          $ref: '#/components/schemas/OBBranchAndFinancialInstitutionIdentification5'
      required:
      - AccountId
      - Currency
      - AccountType
      - AccountSubType
      additionalProperties: false
    OBError1:
      type: object
      properties:
        ErrorCode:
          description: Low level textual error code, e.g., UK.OBIE.Field.Missing
          type: string
          minLength: 1
          maxLength: 128
        Message:
          description: 'A description of the error that occurred. e.g., ''A mandatory field isn''t supplied'' or ''RequestedExecutionDateTime must be in future''

            OBIE doesn''t standardise this field'
          type: string
          minLength: 1
          maxLength: 500
        Path:
          description: Recommended but optional reference to the JSON Path of the field with error, e.g., Data.Initiation.InstructedAmount.Currency
          type: string
          minLength: 1
          maxLength: 500
        Url:
          description: URL to help remediate the problem, or provide more information, or to API Reference, or help etc
          type: string
      required:
      - ErrorCode
      - Message
      additionalProperties: false
      minProperties: 1
    AccountId:
      description: A unique and immutable identifier used to identify the account resource. This identifier has no meaning to the account owner.
      type: string
      minLength: 1
      maxLength: 40
    OBCashAccount5:
      description: Provides the details to identify the beneficiary account.
      type: object
      properties:
        SchemeName:
          $ref: '#/components/schemas/OBExternalAccountIdentification4Code'
        Identification:
          description: Beneficiary account identification.
          type: string
          minLength: 1
          maxLength: 256
        Name:
          description: 'Name of the account, as assigned by the account servicing institution.

            Usage: The account name is the name or names of the account owner(s) represented at an account level. The account name is not the product name or the nickname of the account.'
          type: string
          minLength: 1
          maxLength: 70
        SecondaryIdentification:
          description: "This is secondary identification of the account, as assigned by the account servicing institution. \nThis can be used by building societies to additionally identify accounts with a roll number (in addition to a sort code and account number combination)."
          type: string
          minLength: 1
          maxLength: 34
      required:
      - SchemeName
      - Identification
      additionalProperties: false
    OBBranchAndFinancialInstitutionIdentification5:
      description: 'Party that manages the account on behalf of the account owner, that is manages the registration and booking of entries on the account, calculates balances on the account and provides information about the account.

        This is the servicer of the beneficiary account.'
      type: object
      properties:
        SchemeName:
          $ref: '#/components/schemas/OBExternalFinancialInstitutionIdentification4Code'
        Identification:
          description: Unique and unambiguous identification of the servicing institution.
          type: string
          minLength: 1
          maxLength: 35
      required:
      - SchemeName
      - Identification
      additionalProperties: false
    ISODateTime:
      description: "All dates in the JSON payloads are represented in ISO 8601 date-time format. \nAll date-time fields in responses must include the timezone. An example is below:\n2017-04-05T10:43:07+00:00"
      type: string
      format: date-time
    Meta:
      title: MetaData
      type: object
      description: Meta Data relevant to the payload
      properties:
        TotalPages:
          type: integer
          format: int32
        FirstAvailableDateTime:
          $ref: '#/components/schemas/ISODateTime'
        LastAvailableDateTime:
          $ref: '#/components/schemas/ISODateTime'
      additionalProperties: false
    OBExternalAccountSubType1Code:
      description: Specifies the sub type of account (product family group).
      type: string
      enum:
      - ChargeCard
      - CreditCard
      - CurrentAccount
      - EMoney
      - Loan
      - Mortgage
      - PrePaidCard
      - Savings
    OBExternalFinancialInstitutionIdentification4Code:
      description: Name of the identification scheme, in a coded form as published in an external list.
      type: string
      example:
      - UK.OBIE.BICFI
      minLength: 1
      maxLength: 40
    OBErrorResponse1:
      description: An array of detail error codes, and messages, and URLs to documentation to help remediation.
      type: object
      properties:
        Code:
          description: High level textual error code, to help categorize the errors.
          type: string
          minLength: 1
          maxLength: 40
        Id:
          description: A unique reference for the error instance, for audit purposes, in case of unknown/unclassified errors.
          type: string
          minLength: 1
          maxLength: 40
        Message:
          description: Brief Error message, e.g., 'There is something wrong with the request parameters provided'
          type: string
          minLength: 1
          maxLength: 500
        Errors:
          items:
            $ref: '#/components/schemas/OBError1'
          type: array
          minItems: 1
      required:
      - Code
      - Message
      - Errors
      additionalProperties: false
    OBReadAccount3:
      type: object
      properties:
        Data:
          type: object
          properties:
            Account:
              items:
                $ref: '#/components/schemas/OBAccount3'
              type: array
              description: Unambiguous identification of the account to which credit and debit entries are made.
          additionalProperties: false
        Links:
          $ref: '#/components/schemas/Links'
        Meta:
          $ref: '#/components/schemas/Meta'
      required:
      - Data
      - Links
      - Meta
      additionalProperties: false
    OBExternalAccountIdentification4Code:
      description: Name of the identification scheme, in a coded form as published in an external list.
      type: string
      example:
      - UK.OBIE.BBAN
      - UK.OBIE.IBAN
      - UK.OBIE.PAN
      - UK.OBIE.Paym
      - UK.OBIE.SortCodeAccountNumber
      minLength: 1
      maxLength: 40
    OBExternalAccountType1Code:
      description: Specifies the type of account (personal or business).
      type: string
      enum:
      - Business
      - Personal
    Links:
      type: object
      description: Links relevant to the payload
      properties:
        Self:
          type: string
          format: uri
        First:
          type: string
          format: uri
        Prev:
          type: string
          format: uri
        Next:
          type: string
          format: uri
        Last:
          type: string
          format: uri
      additionalProperties: false
      required:
      - Self
  securitySchemes:
    PSUOAuth2Security:
      type: oauth2
      flows:
        authorizationCode:
          scopes:
            accounts: Ability to read Accounts information
          authorizationUrl: https://secure.tell.systems/algbra/auth/oidc/authorize
          tokenUrl: https://secure.tell.systems/algbra/auth/oidc/token
      description: OAuth flow, it is required when the PSU needs to perform SCA with the ASPSP when a TPP wants to access an ASPSP resource owned by the PSU
    TPPOAuth2Security:
      type: oauth2
      flows:
        clientCredentials:
          scopes:
            accounts: Ability to read Accounts information
          tokenUrl: https://secure.tell.systems/algbra/auth/oidc/token
      description: TPP client credential authorisation flow with the ASPSP