# Attach file or URL to sheet Attaches a file to the sheet. The URL can be any of the following: * Normal URL (attachmentType "LINK") * Box.com URL (attachmentType "BOX_COM") * Dropbox URL (attachmentType "DROPBOX") * Egnyte URL (attachmentType "EGNYTE") * Evernote URL (attachmentType "EVERNOTE") * Google Drive URL (attachmentType "GOOGLE_DRIVE") * OneDrive URL (attachmentType "ONEDRIVE") > Important: Smartsheet Gov allows only the following attachment types: > - BOX_COM > - FILE > - GOOGLE_DRIVE > - LINK > - ONEDRIVEß For multipart uploads please use "multipart/form-data" content type. > Note: Posting a file attachment is resource-intensive and is limited to 30 requests per minute per API token. For details, see Rate limiting. Endpoint: POST /sheets/{sheetId}/attachments Version: 2.0.0 Security: APIToken, OAuth2 ## Path parameters: - `sheetId` (number, required) ID of the sheet being accessed. ## Header parameters: - `Authorization` (string) API Access Token used to authenticate requests to Smartsheet APIs. - `smartsheet-integration-source` (string) Uses the following metadata to distinguish between human-initiated API requests and third-party service-initiated calls by AI Connectors or ITSM: - Integration source type - Organization name - Integration source name Format: TYPE,OrgName,SourceName Examples: AI,SampleOrg,My-AI-Connector-v2 SCRIPT,SampleOrg2,Accounting-updater-script APPLICATION,SampleOrg3,SheetUpdater Example: "AI,SampleOrg,My-AI-Connector-v2" - `Content-Type` (string) Required for POST and PUT requests. Defines the structure for the request body. ## Response 200 fields (application/json): - `version` (number,null) New version of the sheet. Applicable only for operations which update sheet data. - `message` (string) Message that indicates the outcome of the request. (One of SUCCESS or PARTIAL_SUCCESS.) Enum: "PARTIAL_SUCCESS", "SUCCESS" - `resultCode` (number) * '0' Success * '3' Partial Success of Bulk Operation Enum: 0, 3 - `result` (object) Attachment Object - `result.id` (number) Attachment ID. - `result.parentId` (number) The ID of the parent. - `result.attachmentType` (string) Attachment type. Note--Dropbox, Egnyte, and Evernote are not supported for Smartsheet.gov accounts. Enum: "BOX_COM", "DROPBOX", "EGNYTE", "EVERNOTE", "FILE", "GOOGLE_DRIVE", "LINK", "ONEDRIVE", "TRELLO" - `result.attachmentSubType` (string) Attachment sub type. Note--Folder type is for EGNYTE values and the rest are GOOGLE_DRIVE values. Enum: "DOCUMENT", "DRAWING", "FOLDER", "PDF", "PRESENTATION", "SPREADSHEET" - `result.mimeType` (string) Attachment MIME type. Example: "PNG" - `result.parentType` (string) The type of object the attachment belongs to. Enum: "COMMENT", "PROOF", "ROW", "SHEET" - `result.createdAt` (any) - `result.createdBy` (object) User object containing name and email of the user who created this attachment. - `result.createdBy.email` (string) Example: "jane.doe@smartsheet.com" - `result.createdBy.name` (string) Example: "Jane Doe" - `result.name` (string) Attachment name. - `result.sizeInKb` (number) The size of the file, if the attachmentType is FILE. - `result.url` (string) Attachment temporary URL (files only). - `result.urlExpiresInMillis` (number) Attachment temporary URL time to live (files only).