> ## Documentation Index > Fetch the complete documentation index at: https://docs.aiinsurance.io/llms.txt > Use this file to discover all available pages before exploring further. # Upload File > Uploads a file to the company file system. The request body must be `multipart/form-data`. Optionally place the file inside a folder by providing `folderId`. Omit it to upload to the root level (no folder). **Required permission:** `company.file:create` ## OpenAPI ````yaml /openapi/generated-external-api.yaml post /api/v1/external/companies/{companyId}/files openapi: 3.0.3 info: title: AI Insurance External API description: External API for AI Insurance platform version: 1.0.0 contact: email: support@aiinsurance.io servers: - url: https://app.aiinsurance.io description: Production security: - ApiKeyAuth: [] paths: /api/v1/external/companies/{companyId}/files: post: tags: - Company Files summary: Upload File description: | Uploads a file to the company file system. The request body must be `multipart/form-data`. Optionally place the file inside a folder by providing `folderId`. Omit it to upload to the root level (no folder). **Required permission:** `company.file:create` operationId: uploadCompanyFile parameters: - $ref: '#/components/parameters/companyId' requestBody: required: true content: multipart/form-data: schema: type: object required: - file - fileName - mimeType properties: file: type: string format: binary description: The file content to upload fileName: type: string description: File name (must be non-empty) mimeType: type: string description: MIME type of the file (e.g. `application/pdf`) category: type: string description: Optional category label folderId: type: string format: uuid description: Folder ID to place the file in (omit for root-level) responses: '201': description: File uploaded successfully content: application/json: schema: $ref: '#/components/schemas/CompanyFile' examples: success: summary: File uploaded value: id: 550e8400-e29b-41d4-a716-446655440020 name: claim-report.pdf mimeType: application/pdf category: claims entityId: null entityName: null uploadedAt: '2026-01-20T09:15:00.000Z' userDate: null '400': description: Bad Request — Validation error content: application/json: schema: $ref: '#/components/schemas/ErrorResponse' examples: missingFile: summary: No file provided value: error: code: VALIDATION_ERROR message: 'fileName: Must be a non-empty string' invalidMultipart: summary: Malformed multipart body value: error: code: INVALID_MULTIPART message: Failed to parse multipart payload folderNotFound: summary: Target folder does not exist value: error: code: folder-not-found message: Folder not found '401': $ref: '#/components/responses/Unauthorized' '403': $ref: '#/components/responses/Forbidden' '500': $ref: '#/components/responses/InternalServerError' components: parameters: companyId: name: companyId in: path required: true schema: type: string format: uuid description: Company identifier schemas: CompanyFile: type: object description: A file stored in the company file system properties: id: type: string format: uuid description: File identifier name: type: string description: File name mimeType: type: string nullable: true description: MIME type of the file category: type: string nullable: true description: Optional category label entityId: type: string nullable: true description: Related entity ID (if attached to an entity) entityName: type: string nullable: true description: Related entity name (if attached to an entity) uploadedAt: type: string format: date-time nullable: true description: When the file was uploaded (ISO 8601) userDate: type: string format: date-time nullable: true description: User-specified date for the file (ISO 8601) ErrorResponse: type: object description: Standard error response for all external API endpoints required: - error properties: error: type: object required: - code - message properties: code: type: string description: Machine-readable error code example: VALIDATION_ERROR message: type: string description: Human-readable error message example: 'submissionId: Required field is missing' details: type: array description: Additional details for validation errors (field-level errors) items: type: object properties: field: type: string description: The field that caused the error example: submissionId message: type: string description: Description of the field error example: Required field is missing responses: Unauthorized: description: Unauthorized - Invalid or missing API key content: application/json: schema: $ref: '#/components/schemas/ErrorResponse' examples: missingApiKey: summary: Missing API key value: error: code: UNAUTHORIZED message: Authorization header is required bearerTokenNotAllowed: summary: Bearer token used instead of API key value: error: code: UNAUTHORIZED message: External API endpoints require API key authentication Forbidden: description: Forbidden - Insufficient permissions content: application/json: schema: $ref: '#/components/schemas/ErrorResponse' examples: insufficientPermissions: summary: Insufficient permissions value: error: code: FORBIDDEN message: Insufficient permissions to perform this action InternalServerError: description: Internal Server Error - Unexpected error occurred content: application/json: schema: $ref: '#/components/schemas/ErrorResponse' examples: internalError: summary: Unexpected server error value: error: code: INTERNAL_ERROR message: An unexpected error occurred. Please try again later. securitySchemes: ApiKeyAuth: type: apiKey in: header name: Authorization description: >- API key authentication. Include your API key in the Authorization header. ````