> ## Documentation Index > Fetch the complete documentation index at: https://docs.layerfi.com/llms.txt > Use this file to discover all available pages before exploring further. # Fetch AR aging report > Returns an accounts receivable aging report showing outstanding invoices grouped by customer and aging buckets. This report helps track overdue payments and manage cash flow. ## OpenAPI ````yaml get /v1/businesses/{businessId}/invoices/ar-aging openapi: 3.0.1 info: title: API version: latest servers: [] security: - BearerAuth: [] tags: [] externalDocs: url: / paths: /v1/businesses/{businessId}/invoices/ar-aging: get: tags: [] summary: Fetch AR aging report description: >- Returns an accounts receivable aging report showing outstanding invoices grouped by customer and aging buckets. This report helps track overdue payments and manage cash flow. operationId: business.invoices.ar-aging.get parameters: - name: businessId in: path description: The UUID of the business to fetch the AR aging report for. required: true schema: type: string format: uuid - name: Content-Type in: header description: Content-Type must be set to application/json. schema: type: string responses: '200': description: AR aging report retrieved successfully. headers: {} content: application/json: schema: $ref: '#/components/schemas/ARAgingReport' '404': description: Business not found. content: application/json: schema: $ref: '#/components/schemas/ApiError' deprecated: false components: schemas: ARAgingReport: type: object description: >- AR Aging report showing outstanding invoices grouped by customer and aging buckets. properties: type: type: string enum: - AR_Aging_Report description: Type identifier for this response. start_date: type: string format: date-time nullable: true description: Start date of the report period. end_date: type: string format: date-time nullable: true description: End date of the report period. basis: $ref: '#/components/schemas/ReportingBasis' description: Accounting basis used for the report. as_of_date: type: string format: date-time nullable: true description: The effective date used to calculate aging buckets. customers: type: array items: $ref: '#/components/schemas/CustomerARSummary' description: List of customers with their AR aging details. totals: $ref: '#/components/schemas/ARAgingTotals' description: Total amounts across all customers and aging buckets. ApiError: type: object description: An error object returned in API error responses. properties: type: $ref: '#/components/schemas/ApiErrorType' description: >- A fixed category for the error, helpful for categorizing and processing errors. description: type: string description: A human-readable error description. error_enum: $ref: '#/components/schemas/ApiEnumErrorType' description: >- A stable, machine-readable identifier for programmatically handling specific error conditions. Only present for 4xx client errors—not included for 5xx server errors. Use this instead of parsing the description field, as enum values remain stable across API versions. nullable: true meta: type: object description: Optional additional information about the error. nullable: true required: - type - description ReportingBasis: type: string enum: - ACCRUAL - CASH CustomerARSummary: type: object description: AR aging summary for a specific customer. properties: customer_id: type: string format: uuid description: Unique identifier for the customer. customer_name: type: string description: Name of the customer. current: type: array items: $ref: '#/components/schemas/ARAgingInvoice' description: Invoices that are not yet past due. buckets: type: array items: $ref: '#/components/schemas/ARAgingBucket' description: Aging buckets containing past due invoices. total_outstanding_balance: type: integer format: int64 description: Total outstanding balance for this customer in cents. ARAgingTotals: type: object description: Total amounts across all aging buckets. properties: current_total: type: integer format: int64 description: Total amount of invoices that are not yet past due in cents. bucket_totals: type: array items: $ref: '#/components/schemas/ARAgingBucketTotal' description: Totals for each aging bucket. grand_total: type: integer format: int64 description: Total outstanding balance across all invoices in cents. ApiErrorType: type: string enum: - ResourceArchived - AuthFailure - Plaid - Stripe - InvalidState - ResourceNotFound - InvalidParameters - JsonSerialization - Unknown - BadRequest - PaginationCursor - Conflict - LedgerOperationFailed ApiEnumErrorType: type: string description: >- Stable enum values for programmatic error handling. Only present in 4xx error responses. enum: - AccessCodeInvalid - BalanceSheetDoesNotBalance - BalanceSheetMissingAccount - BankStatementParserError - BillStateError - BulkCategorizeFailure - BulkMatchFailure - BusinessTaskAlreadyCompleted - BusinessTaskDeleted - CalendlyOAuthError - CallBookingError - CantUpdateTransactionInCustomerPayout - CantUpdateTransactionInVendorPayout - CheckPayrollConfigNotFound - CheckPayrollServiceNotFound - ClerkUserAlreadyExists - ConflictingQueryParams - CustomAccountAlreadyExists - CustomTransactionCsvParsingError - CustomTransactionUploadFailure - CustomerPayoutInputFormatError - DoesNotMatchExistingEntity - EmptyBatchRequest - ExpenseParserError - ExternalAccountBalanceReconciliationError - ExternalIdConflict - InvalidCategory - InvalidEffectiveDate - InvalidLedgerOperation - InvalidMonthlyAverageRange - InvalidMultiPartRequest - InvalidPaginationCursor - InvalidPayload - InvoiceDeleted - InvoiceNotFound - InvoiceReferenceMismatch - InvoiceStateError - ManualRateLimit - MultipleTagKeyFiltersUnsupported - NoCognitoUserFound - NoOpeningBalanceFound - NotYetReconciled - OnePasswordApiError - OnePasswordItemNotFound - OnePasswordVaultNotFound - OpenAICategorizationError - PaymentLinkInvalid - PayrollStateError - PeriodIsClosed - PeriodNotClosed - PhoneNumberAlreadyRegistered - PlaidApiError - PlaidConnectionBroken - PlaidCreateLinkTokenError - PlaidCredentialsNotConfigured - PlaidExchangePublicTokenError - PlaidGetInstitutionByIdError - PlaidGetItemError - PlaidInvalidEnvironment - PlaidItemAlreadyExists - PlaidItemNotFound - PlaidProcessorApiError - PlaidUnlinkItemError - QueryParamFormat - QueryParamMissing - QuickbooksBrokenConnection - QuickbooksConnectionAlreadyExists - QuickbooksConnectionAlreadySyncing - QuickbooksConnectionMissing - QuickbooksConnectionNotActivated - QuickbooksInvalidRequest - QuickbooksInvalidState - QuickbooksNoMatchingAccount - QuickbooksNonPostingAccountType - QuickbooksNotConfigured - QuickbooksOAuthCallbackInvalid - QuickbooksOAuthError - QuickbooksTokenExpired - ResourceArchived - ScheduleCNotConfigured - SmsNotEnabled - SpecifiedBadRequest - SpecifiedIdNotFound - SplitTransactionError - StepEvaluationBadRequest - StripeConnectAccountIdNotFound - StripeCredentialsNotConfigured - StripeGetBalanceForConnectAccountFailure - StripeRedirectOrRefreshUrlNotConfigured - TagFilterNotFound - UnexpectedQueryParam - UnitAccountsInUse - WrongAnswerType ARAgingInvoice: type: object description: Invoice details within an AR aging context. properties: invoice_id: type: string format: uuid description: Unique identifier for the invoice. customer_name: type: string description: Name of the customer associated with this invoice. due_at: type: string format: date-time nullable: true description: Due date of the invoice. invoice_total: type: integer format: int64 description: Total amount of the invoice in cents. outstanding_balance: type: integer format: int64 description: Remaining unpaid balance on the invoice in cents. ARAgingBucket: type: object description: >- An aging bucket containing invoices within a specific days-past-due range. properties: bucket_start_day: type: integer nullable: true description: >- Start day of the aging bucket (e.g., 1 for 1-30 days). Null for current/not-yet-due invoices. bucket_end_day: type: integer nullable: true description: >- End day of the aging bucket (e.g., 30 for 1-30 days). Null for open-ended buckets (e.g., 90+ days). invoices: type: array items: $ref: '#/components/schemas/ARAgingInvoice' description: Invoices within this aging bucket. ARAgingBucketTotal: type: object description: Total for a specific aging bucket. properties: bucket_start_day: type: integer nullable: true description: Start day of the aging bucket. bucket_end_day: type: integer nullable: true description: End day of the aging bucket. total: type: integer format: int64 description: Total outstanding balance for this bucket in cents. securitySchemes: BearerAuth: type: http scheme: bearer bearerFormat: JWT ````