Excel Export

⚡ Built-in — Export

Generate Excel (.xlsx) files from data arrays. Provide your data and column definitions, get a downloadable spreadsheet back. Supports custom headers, column widths, and formatting.

⚡ Built-in — No Setup Required This integration is built into the WebsitePublisher platform. All endpoints are available immediately — no API key needed.

Try it with your AI assistant

Once WebsitePublisher is connected to your AI assistant, paste one of these into the chat. Replace the parts in [brackets] with your own details.

ChatGPT Claude Other assistants

@WebsitePublisher export my [customers] to an Excel file I can download

@WebsitePublisher add an Export to Excel button to my admin page

With WebsitePublisher, export my [customers] to an Excel file I can download

With WebsitePublisher, add an Export to Excel button to my admin page

With WebsitePublisher, export my [customers] to an Excel file I can download

With WebsitePublisher, add an Export to Excel button to my admin page

Endpoints (1)

POST generate

Generate an Excel (.xlsx) file from a data array. Returns base64-encoded file content and a suggested filename. Use upload_asset to persist the file, or decode the base64 client-side for direct download.

Field	Type	Required	Description
`data`	array	✓ Yes	Array of data rows. Each row is an object with field names as keys. Example: [{"name": "Acme Ltd", "city": "Amsterdam", "score": 5}, ...]
`columns`	array	No	Column definitions. Array of objects with: "field" (data key), "header" (display name), "width" (optional, in chars). If omitted, columns are auto-detected from the first data row. Example: [{"field": "name", "header": "Company name", "width": 30}, {"field": "city", "header": "City", "width": 20}]
`title`	string	No	Worksheet title (shown on the sheet tab). Default: "Export". Max 31 characters.
`filename`	string	No	Suggested filename (without .xlsx extension). Default: "export_{date}". Example: "leadcompass_den_haag_q2".
`freeze_header`	boolean	No	Freeze the header row so it stays visible when scrolling. Default: true.
`auto_filter`	boolean	No	Add auto-filter dropdowns to the header row. Default: true.

MCP Tool Names

When using this integration through an AI assistant (Claude, ChatGPT, Cursor, etc.), the endpoints are available as MCP tools:

Endpoint	MCP Tool Name
generate	`xlsx-export_generate`

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