> ## 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. # Complete document upload > Completes a multipart upload after all parts have been uploaded to S3. You must provide the upload_id from the create response and the ETag returned by S3 for each uploaded part. The ETag is returned in the response headers when you PUT to each presigned URL. ## OpenAPI ````yaml post /v1/businesses/{businessId}/documents/{documentId}/complete openapi: 3.0.1 info: title: API version: latest servers: [] security: - BearerAuth: [] tags: [] externalDocs: url: / paths: /v1/businesses/{businessId}/documents/{documentId}/complete: post: tags: [] summary: Complete document upload description: >- Completes a multipart upload after all parts have been uploaded to S3. You must provide the upload_id from the create response and the ETag returned by S3 for each uploaded part. The ETag is returned in the response headers when you PUT to each presigned URL. operationId: business.documents.complete parameters: - name: businessId in: path description: The UUID of the business. required: true schema: type: string format: uuid - name: documentId in: path description: The UUID of the document returned from the create endpoint. required: true schema: type: string format: uuid - name: Content-Type in: header description: Content-Type must be set to application/json. schema: type: string requestBody: required: true content: application/json: schema: $ref: '#/components/schemas/CompleteS3DocumentUploadParams' responses: '200': description: Upload completed successfully. headers: {} content: application/json: schema: type: object properties: data: $ref: '#/components/schemas/ApiS3Document' required: - data '400': description: Invalid request parameters or parts do not match the upload. content: application/json: schema: $ref: '#/components/schemas/ApiError' '404': description: Business or document not found. content: application/json: schema: $ref: '#/components/schemas/ApiError' deprecated: false components: schemas: CompleteS3DocumentUploadParams: type: object properties: upload_id: type: string description: The upload ID returned from the create document endpoint. parts: type: array items: $ref: '#/components/schemas/CompleteS3DocumentUploadPart' description: List of parts that were uploaded, with their part numbers and ETags. required: - upload_id - parts description: Parameters for completing a multipart upload. ApiS3Document: type: object properties: type: type: string description: Resource type. Value will be `Document`. example: Document id: type: string format: uuid description: The unique identifier of the document. file_name: type: string description: The name of the uploaded file. file_type: type: string description: The MIME type of the file. document_type: $ref: '#/components/schemas/DocumentType' description: The type of document. presigned_url: $ref: '#/components/schemas/S3PresignedUrl' description: >- Presigned download details for the document, including `document_type`. required: - id - file_name - file_type - document_type description: A document stored in S3. 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 CompleteS3DocumentUploadPart: type: object properties: part_number: type: integer description: The part number that was uploaded (1-indexed). etag: type: string description: >- The ETag returned by S3 when the part was uploaded. Found in the response headers of the PUT request to the presigned URL. required: - part_number - etag description: >- Information about an uploaded part required to complete the multipart upload. DocumentType: type: string enum: - RECEIPT - UNSTRUCTURED_BOOKKEEPING_CONTEXT - OTHER description: >- The type of document. RECEIPT is for receipts and invoices. UNSTRUCTURED_BOOKKEEPING_CONTEXT is for general bookkeeping context documents. OTHER is for any other document type. example: RECEIPT S3PresignedUrl: type: object properties: type: type: string description: Resource type. Value will be 'S3_Presigned_Url'. example: S3_Presigned_Url presignedUrl: type: string description: Pre-signed URL to download a document. example: > https://example-bucket.s3.amazonaws.com/example-object?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Credential=FAKEAWSACCESSKEY%2F20240710%2Fus-west-1%2Fs3%2Faws4_request&X-Amz-Date=20240710T000000Z&X-Amz-Expires=3600&X-Amz-SignedHeaders=host&X-Amz-Signature=FAKESIGNATURE1234567890abcdef1234567890abcdef1234567890abcdef1234567890abcdef fileType: type: string description: The file type of the document. example: csv fileName: type: string description: The name of the file. example: receipt.pdf createdAt: type: string format: date-time description: When the document or generated file was created. documentId: type: string format: uuid nullable: true description: >- The ID of the stored document. Present when this URL is for a stored business document; omitted for generated downloads such as report CSV/XLSX exports. document_type: $ref: '#/components/schemas/DocumentType' description: >- The type of the stored document. Included on fetch document and on nested `presigned_url` objects from list documents. Omitted for generated report CSV/XLSX downloads. nullable: true required: - presignedUrl - fileType - fileName - createdAt description: A pre-signed URL to download a document or generated file. ApiErrorType: type: string enum: - ResourceArchived - AuthFailure - Plaid - Stripe - InvalidState - ResourceNotFound - InvalidParameters - JsonSerialization - Unknown - BadRequest - PaginationCursor - Conflict - LedgerOperationFailed example: InvalidParameters 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 example: InvalidPayload securitySchemes: BearerAuth: type: http scheme: bearer bearerFormat: JWT ````