> ## Documentation Index
> Fetch the complete documentation index at: https://docs.lerian.studio/llms.txt
> Use this file to discover all available pages before exploring further.

# List active loan transactions

> Returns recorded repayment transactions for an active loan account. A malformed UUID yields 422, distinct from 404.



## OpenAPI

````yaml en/openapi/v3-current/lender.yaml get /api/v1/loan-accounts/{id}/transactions
openapi: 3.1.0
info:
  contact:
    email: contact@lerian.studio
    name: Lerian Studio
    url: https://lerian.studio
  description: Code-first OpenAPI 3.1 surface for the Lender service.
  license:
    name: Lerian Studio General License
  title: Lender API
  version: 1.0.0
servers:
  - url: https://lender.sandbox.lerian.net
security:
  - BearerAuth: []
tags:
  - description: >-
      Ledger accounting operations: journal entries and accrual postings for
      loan accounts.
    name: Accounting
  - description: >-
      Loan application intake and lifecycle: submission, decisioning, and
      status.
    name: LoanApplications
  - description: >-
      Loan product catalog: definition, versioning, and activation of lending
      products.
    name: LoanProducts
  - description: >-
      Loan account servicing operations: balances, schedules, and account-level
      actions.
    name: Loan Accounts
  - description: >-
      Servicing read operations: repayment schedules and servicing state for
      loan accounts.
    name: Servicings
  - description: >-
      Portfolio dashboard read operations: aggregated portfolio and performance
      views.
    name: Dashboard
  - description: >-
      Jurisdiction registry: supported jurisdiction profiles and their
      capabilities.
    name: Jurisdictions
  - description: >-
      Jurisdiction-specific loan application operations (Brazil origination
      surface).
    name: Loan Applications
  - description: >-
      Tax computation operations for jurisdiction-specific lending (e.g. Brazil
      IOF).
    name: Tax
  - description: >-
      Brazil consignado privado operations: contract origination (contratação
      ativa) and lifecycle.
    name: Consignado
paths:
  /api/v1/loan-accounts/{id}/transactions:
    get:
      tags:
        - Loan Accounts
      summary: List active loan transactions
      description: >-
        Returns recorded repayment transactions for an active loan account. A
        malformed UUID yields 422, distinct from 404.
      operationId: listActiveLoanTransactions
      parameters:
        - description: Loan account identifier (UUID).
          in: path
          name: id
          required: true
          schema:
            description: Loan account identifier (UUID).
            examples:
              - 550e8400-e29b-41d4-a716-446655440000
            format: uuid
            type: string
      responses:
        '200':
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ActiveLoanTransactionsHumaBody'
          description: OK
        default:
          content:
            application/problem+json:
              schema:
                $ref: '#/components/schemas/Detail'
          description: Error
components:
  schemas:
    ActiveLoanTransactionsHumaBody:
      additionalProperties: false
      properties:
        data:
          description: Recorded repayment transactions.
          items:
            $ref: '#/components/schemas/ActiveLoanTransactionHumaBody'
          type:
            - array
            - 'null'
      required:
        - data
      type: object
    Detail:
      additionalProperties: false
      properties:
        code:
          description: >-
            Stable, machine-readable domain error code scoped to the emitting
            service (format: <SERVICE>-NNNN).
          examples:
            - ERR-0001
          type: string
        detail:
          description: >-
            A human-readable explanation specific to this occurrence of the
            problem.
          examples:
            - Property foo is required but is missing.
          type: string
        errors:
          description: Optional list of individual error details
          items:
            $ref: '#/components/schemas/ErrorDetail'
          type:
            - array
            - 'null'
        instance:
          description: >-
            A URI reference that identifies the specific occurrence of the
            problem.
          examples:
            - https://example.com/error-log/abc123
          format: uri
          type: string
        status:
          description: HTTP status code
          examples:
            - 400
          format: int64
          type: integer
        title:
          description: >-
            A short, human-readable summary of the problem type. This value
            should not change between occurrences of the error.
          examples:
            - Bad Request
          type: string
        type:
          default: about:blank
          description: A URI reference to human-readable documentation for the error.
          examples:
            - https://example.com/errors/example
          format: uri
          type: string
      type: object
    ActiveLoanTransactionHumaBody:
      additionalProperties: false
      properties:
        allocationLines:
          description: Per-installment allocation breakdown.
          items:
            $ref: '#/components/schemas/RepaymentAllocationHumaEntry'
          type:
            - array
            - 'null'
        createdAt:
          description: RFC 3339 creation timestamp.
          examples:
            - '2026-06-14T12:00:00Z'
          type: string
        effectiveDate:
          description: ISO-8601 effective date.
          examples:
            - '2026-06-14'
          type: string
        originalTransactionId:
          description: >-
            Identifier of the transaction being reversed; present only when
            transactionType is reversal.
          examples:
            - 550e8400-e29b-41d4-a716-446655440012
          type: string
        overpaymentAmount:
          description: Excess amount above total outstanding (2 d.p. string).
          examples:
            - '0.00'
          type: string
        paidAmount:
          description: Amount applied to the loan (2 d.p. string).
          examples:
            - '113.84'
          type: string
        requestId:
          description: Caller-supplied idempotency key; omitted when none was provided.
          examples:
            - 550e8400-e29b-41d4-a716-446655440011
          type: string
        transactionId:
          description: Unique identifier of this repayment transaction.
          examples:
            - 550e8400-e29b-41d4-a716-446655440010
          type: string
        transactionType:
          description: Type of transaction (e.g. repayment, reversal).
          examples:
            - repayment
          type: string
      required:
        - transactionId
        - transactionType
        - paidAmount
        - overpaymentAmount
        - effectiveDate
        - createdAt
        - allocationLines
      type: object
    ErrorDetail:
      additionalProperties: false
      properties:
        location:
          description: >-
            Where the error occurred, e.g. 'body.items[3].tags' or
            'path.thing-id'
          type: string
        message:
          description: Error message text
          type: string
        value:
          description: The value at the given location
      type: object
    RepaymentAllocationHumaEntry:
      additionalProperties: false
      properties:
        dueDate:
          description: ISO-8601 installment due date.
          examples:
            - '2026-06-14'
          type: string
        feesAmount:
          description: Fees applied (2 d.p. string).
          examples:
            - '1.50'
          type: string
        fullyPaid:
          description: True if this installment is fully settled.
          type: boolean
        installmentNumber:
          description: 1-based installment sequence number.
          examples:
            - 3
          format: int64
          type: integer
        interestAmount:
          description: Interest applied (2 d.p. string).
          examples:
            - '12.34'
          type: string
        penaltiesAmount:
          description: Penalties applied (2 d.p. string).
          examples:
            - '0.00'
          type: string
        principalAmount:
          description: Principal applied (2 d.p. string).
          examples:
            - '100.00'
          type: string
        totalAmount:
          description: Total applied to this installment (2 d.p. string).
          examples:
            - '113.84'
          type: string
      required:
        - installmentNumber
        - dueDate
        - principalAmount
        - interestAmount
        - feesAmount
        - penaltiesAmount
        - totalAmount
        - fullyPaid
      type: object
  securitySchemes:
    BearerAuth:
      bearerFormat: JWT
      description: JWT bearer token issued by the identity provider.
      scheme: bearer
      type: http

````