openapi: 3.0.1
info:
  title: Lead Bank Account Number Internal Transfer API
  description: Lead Bank's APIs
  version: v1.0
servers:
- url: https://api.sandbox.lead.bank
- url: https://api.lead.bank
security:
- bearerAuth: []
tags:
- name: Internal Transfer
paths:
  /v1/internal_transfer:
    post:
      tags:
      - Internal Transfer
      operationId: create-an-internal-transfer-v1
      summary: Create an asynchronous Internal Transfer
      description: Creates an asynchronous Internal Transfer.
      parameters:
      - name: Idempotency-Key
        in: header
        description: Idempotency key
        required: true
        schema:
          type: string
          maxLength: 255
          minLength: 5
      requestBody:
        required: true
        content:
          application/json:
            schema:
              title: CreateInternalTransferRequestV1
              type: object
              required:
              - sender_account_number_id
              - receiver_account_number_id
              - amount
              - description
              - currency_code
              properties:
                amount:
                  $ref: '#/components/schemas/InternalTransferAmount'
                currency_code:
                  $ref: '#/components/schemas/CurrencyCode'
                sender_account_number_id:
                  $ref: '#/components/schemas/AccountNumberID'
                receiver_account_number_id:
                  $ref: '#/components/schemas/AccountNumberID'
                description:
                  type: string
                  minLength: 5
                  maxLength: 34
                  description: Statement descriptor for the Internal Transfer
                  example: Internal treasury transfer
                metadata:
                  $ref: '#/components/schemas/Metadata'
      responses:
        '200':
          description: Successful response
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/InternalTransferV1'
              example:
                id: internal_transfer_xyz123
                amount: 5000
                currency_code: USD
                sender_account_id: account_xyz123
                sender_account_number_id: account_number_xyz123
                receiver_account_id: account_xyz123
                receiver_account_number_id: account_number_xyz123
                status: processing
                description: string
                metadata:
                  additionalProp: string
                created_at: '2022-06-27T11:22:33Z'
                updated_at: '2022-06-27T11:22:33Z'
        '400':
          description: We couldn't parse your request body, please check that your request body is valid JSON.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/APIError'
        '422':
          description: Your request parameters did not validate.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/APIError'
    get:
      tags:
      - Internal Transfer
      operationId: list-all-internal-transfers-v1
      summary: List all Internal Transfers
      description: List all Internal Transfers.
      parameters:
      - name: sender_account_number_id
        in: query
        example: account_number_xyz
        schema:
          type: string
          pattern: ^account_number_\w+$
        description: The sender account number ID.
      - name: receiver_account_number_id
        in: query
        example: account_number_xyz
        schema:
          type: string
          pattern: ^account_number_\w+$
        description: The receiver account number ID.
      - name: status
        in: query
        example: posted
        schema:
          $ref: '#/components/schemas/InternalTransferStatusV1'
      - name: created_at
        description: A set of filters on the list using the object’s field `created_at`.
        in: query
        style: deepObject
        explode: true
        schema:
          type: object
          properties:
            after:
              type: string
              format: date-time
              description: Return objects where the `created_at` timestamp is after the entered timestamp.
            on_or_after:
              type: string
              format: date-time
              description: Return objects where the `created_at` timestamp is the same as or after the entered timestamp.
            before:
              type: string
              format: date-time
              description: Return objects where the `created_at` timestamp is before the entered timestamp.
            on_or_before:
              type: string
              format: date-time
              description: Return objects where the `created_at` timestamp is the same as or before the entered timestamp.
      - name: limit
        description: Maximum number of objects to be returned.
        in: query
        example: 10
        schema:
          type: integer
          minimum: 1
          maximum: 100
          default: 10
      - name: starting_after
        in: query
        example: internal_transfer_xyz123
        schema:
          type: string
          pattern: ^internal_transfer_\w+$
        description: A cursor for use in pagination; this is an ID that defines your place in the list.
      - name: ending_before
        in: query
        example: internal_transfer_xyz456
        schema:
          type: string
          pattern: ^internal_transfer_\w+$
        description: A cursor for use in pagination; this is an ID that defines your place in the list.
      responses:
        '200':
          description: List of Internal Transfer objects
          content:
            application/json:
              schema:
                type: object
                required:
                - objects
                - has_more
                properties:
                  objects:
                    type: array
                    items:
                      $ref: '#/components/schemas/InternalTransferV1'
                  has_more:
                    type: boolean
                    description: Indicates whether more results are available.
        '400':
          description: Your request parameters did not validate.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/APIError'
  /v1/internal_transfer/{internal_transfer_id}:
    get:
      tags:
      - Internal Transfer
      operationId: retrieve-an-internal-transfer-v1
      summary: Retrieve an Internal Transfer
      description: Retrieve an Internal Transfer.
      parameters:
      - name: internal_transfer_id
        in: path
        required: true
        example: internal_transfer_xyz23
        schema:
          type: string
          minLength: 5
          pattern: ^internal_transfer_\w+$
        description: The ID of the internal transfer object to be retrieved.
      responses:
        '200':
          description: An Internal Transfer object.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/InternalTransferV1'
        '404':
          description: The internal_transfer_id passed in is not a valid InternalTransfer ID.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/APIError'
components:
  schemas:
    AccountID:
      type: string
      description: The ID of the Account object.
      example: account_xyz123
      pattern: ^account_\w+$
    AccountNumberID:
      type: string
      description: The ID of the Lead Bank Account Number object.
      example: account_number_xyz123
      pattern: ^account_number_\w+$
    InternalTransferStatusV1:
      description: The current status of the InternalTransfer object.
      type: string
      example: posted
      enum:
      - processing
      - posted
      - rejected
    CurrencyCode:
      description: A three-letter currency code as defined in ISO 4217.
      type: string
      example: USD
      enum:
      - USD
    InvalidParameterDetail:
      type: object
      properties:
        parameter:
          type: string
          description: Which parameter is invalid.
          example: transaction_type
        reason:
          type: string
          description: Why the parameter is invalid.
    InternalTransferAmount:
      description: The amount of the internal transfer transaction in cents.
      type: integer
      format: int64
      example: 5000
      minimum: 1
      maximum: 9900000000
    InternalTransferV1:
      type: object
      required:
      - id
      - amount
      - currency_code
      - sender_account_id
      - sender_account_number_id
      - receiver_account_id
      - receiver_account_number_id
      - status
      - description
      - metadata
      - created_at
      - updated_at
      properties:
        id:
          type: string
          description: The ID of the Internal Transfer object.
          example: internal_transfer_xyz123
          pattern: ^internal_transfer_\w+$
        amount:
          $ref: '#/components/schemas/Amount'
        currency_code:
          $ref: '#/components/schemas/CurrencyCode'
        sender_account_id:
          $ref: '#/components/schemas/AccountID'
        sender_account_number_id:
          $ref: '#/components/schemas/AccountNumberID'
        receiver_account_id:
          $ref: '#/components/schemas/AccountID'
        receiver_account_number_id:
          $ref: '#/components/schemas/AccountNumberID'
        status:
          $ref: '#/components/schemas/InternalTransferStatusV1'
        description:
          type: string
          description: Memo string for the transfer
        rejection:
          $ref: '#/components/schemas/InternalTransferRejectionReason'
        metadata:
          $ref: '#/components/schemas/Metadata'
        created_at:
          type: string
          format: date-time
          description: The RFC3339 timestamp at which the InternalTransfer object was created.
          example: '2022-06-27T11:22:33Z'
        updated_at:
          type: string
          format: date-time
          description: The RFC3339 timestamp at which the InternalTransfer object was last updated.
          example: '2022-06-27T11:22:33Z'
    Metadata:
      type: object
      additionalProperties:
        type: string
      description: A set of key-value pairs that can be used to store additional information related to this object.
    InternalTransferRejectionReason:
      type: object
      properties:
        reason:
          type: string
          description: The rejection code that indicates the type of rejection
          example: account_number_not_active
          enum:
          - account_number_not_active
          - beneficiary_account_number_unrecognized
          - non_sufficient_funds
          - ofac_rejection
          - internal_error
        details:
          type: string
          description: Additional info about the rejection
          example: Account number account_123 is inactive.
    Amount:
      description: The amount of the transaction in cents.
      type: integer
      format: int64
      example: 5000
      minimum: 0
      maximum: 9900000000
    APIError:
      type: object
      properties:
        code:
          type: string
          description: The error code.
        title:
          type: string
          description: The error title.
        detail:
          type: string
          description: A detailed error description.
        status:
          type: string
          description: The HTTP status code.
        invalid_parameters:
          type: array
          description: Invalid request parameters with reasons, if applicable.
          items:
            $ref: '#/components/schemas/InvalidParameterDetail'
        instance:
          type: string
          description: The object causing this specific occurrence of the error, if applicable.
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer
      bearerFormat: JWT