> ## Documentation Index > Fetch the complete documentation index at: https://docs.nueborder.com/llms.txt > Use this file to discover all available pages before exploring further. # Update Document > Updates an existing record or inserts new documents for an imported good based on the provided company ID, report ID, and item ID. The request body must include a valid JSON payload describing the supporting documents. ## OpenAPI ````yaml api-reference/openapi.json put /v1/companies/{company_id}/reports/{report_id}/items/{item_id}/documents openapi: 3.0.0 info: description: Validate, store, and query compliance carbon data. title: NueBorder API termsOfService: https://nueborder.com/terms/ contact: name: Jack Dunlap url: https://nueborder.com/support email: support@nueborder.com license: name: Apache 2.0 url: https://www.apache.org/licenses/LICENSE-2.0.html version: '1.0' servers: - url: https://nueborder.com/api/v1 security: [] externalDocs: description: OpenAPI url: https://nueborder.com/openapi/ paths: /v1/companies/{company_id}/reports/{report_id}/items/{item_id}/documents: put: tags: - Documents summary: Update Document description: >- Updates an existing record or inserts new documents for an imported good based on the provided company ID, report ID, and item ID. The request body must include a valid JSON payload describing the supporting documents. parameters: - description: >- Unique identifier for the company associated with the imported good documents name: company_id in: path required: true schema: type: string - description: >- Unique identifier for the report associated with the imported good documents name: report_id in: path required: true schema: type: string - description: >- Unique identifier for the item associated with the imported good documents name: item_id in: path required: true schema: type: string requestBody: content: application/json: schema: $ref: '#/components/schemas/flat.SupportingDocumentsType' description: Payload for supporting documents required: true responses: '200': description: Successfully updated or inserted imported good documents content: application/json: schema: $ref: '#/components/schemas/models.SuccessResponse' '400': description: Missing or invalid company_id, report_id, or item_id content: application/json: schema: $ref: '#/components/schemas/models.JSONPayloadErrorResponse' '500': description: Error updating/inserting imported good documents content: application/json: schema: $ref: '#/components/schemas/models.InternalServerErrorResponse' security: - BearerAuth: [] components: schemas: flat.SupportingDocumentsType: description: Summary of Struct type: object required: - binary - document_type - filename - item_number - mime - type properties: binary: description: The actual binary object. The actual binary object. type: array items: type: integer companyID: description: Company identifier type: integer country: description: >- The country where the supporting document was issued. The country where the supporting document was issued. (Min Length: 2, Max Length: 2) type: string example: CA createdAt: description: Creation time type: string description: description: >- A text element to describe the supporting document. A text element to describe the supporting document. (Min Length: 1, Max Length: 256) type: string example: Description document_type: description: Document type type: string enum: - GENERAL - EMISSIONS filename: description: >- The file name of the attachment. The file name of the attachment. (Min Length: 1, Max Length: 256) type: string example: Supporting_document_01.docx internalReportID: description: Internal report ID type: integer issuing_auth_name: description: >- The authority that issued the supporting document. The authority that issued the supporting document. (Min Length: 1, Max Length: 70) type: string example: Issuing authority name item_number: description: >- Import Good Item Number, sequencial This element specifies the item number of every CBAM Good imported of the CBAM Report. It is a sequential number starting at 1. (1,2..) type: string example: '1' line_item_number: description: >- The document line item number is the number of the Goods imported entry in which the supporting documents corresponding to. The document line item number is the number of the Goods imported entry in which the supporting documents corresponding to. (Pattern: \d{1,5}) type: integer example: 88888 mime: description: >- The MIME of the attachment. The MIME of the attachment. (Min Length: 1, Max Length: 71) type: string example: >- application/vnd.openxmlformats-officedocument.wordprocessingml.document organizationID: description: Organization identifier type: integer reference_number: description: >- The reference number of the supporting document. The reference number of the supporting document. (Min Length: 1, Max Length: 70) type: string example: 01 Reference number sequence_number: description: 'Supporting document sequence number. (Pattern: \d{1,5})' type: integer example: 1 type: description: >- The type of supporting document This element is used to define the type of emissions document that is declared. It is in the Supporting Documents (for emissions definition). (it is in the Supporting Documents (for Goods)). (Min Length: 4, Max Length: 4) type: string example: '01' updatedAt: description: Last update time type: string updatedBy: description: Updater identifier type: string uri: description: >- The URI link of an attachment. The URI link of an attachment. (Min Length: 1, Max Length: 2048) type: string validity_end_date: description: >- The end date of validity of the supporting document. The end date of validity of the supporting document. (Pattern: \d{4}-\d\d-\d\d) type: string example: 1/1/24 validity_start_date: description: >- The start date of validity of the supporting document. The start date of validity of the supporting document. (Pattern: \d{4}-\d\d-\d\d) type: string example: 1/1/24 version: description: Report Versions type: string models.SuccessResponse: description: A standard successful API response. type: object properties: message: description: A detailed success message. type: string example: Operation completed successfully status: description: HTTP status code. type: integer example: 200 models.JSONPayloadErrorResponse: description: A response indicating that the JSON payload is invalid. type: object properties: message: description: A detailed error message. type: string example: The JSON payload is invalid status: description: HTTP status code. type: integer example: 400 models.InternalServerErrorResponse: description: A response indicating that an internal server error occurred. type: object properties: message: description: A detailed error message. type: string example: An internal server error occurred status: description: HTTP status code. type: integer example: 500 securitySchemes: BearerAuth: description: 'Provide your Bearer token in the format: Bearer ' type: apiKey name: Authorization in: header ````