{"product_id":"approve-employee-expenses-openai-google-sheets-telegram","title":"Approve Employee Expenses: OpenAI + Google Sheets + Telegram","description":"\u003ch3\u003eInstantly route employee expense submissions for approval using OpenAI, Google Sheets, and Telegram\u003c\/h3\u003e\n\u003cp\u003eThis n8n workflow automatically receives expense submissions via webhook, uses \u003cstrong\u003eOpenAI\u003c\/strong\u003e to clean and categorize them (including whether manager approval is required), logs everything to \u003cstrong\u003eGoogle Sheets\u003c\/strong\u003e, and sends \u003cstrong\u003eTelegram\u003c\/strong\u003e notifications to either your manager or the employee.\u003c\/p\u003e\n\n\u003ch3\u003eWhat this workflow does\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReceives expenses via Webhook\u003c\/strong\u003e: Accepts a POST request containing fields like \u003cem\u003eemployee_name, amount, vendor, description, currency\u003c\/em\u003e (and optionally \u003cem\u003eexpense_id\u003c\/em\u003e).\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNormalizes incoming data\u003c\/strong\u003e: Standardizes values such as timestamp, expense ID, employee name, amount, vendor, description, and currency for consistent processing.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAnalyzes with OpenAI\u003c\/strong\u003e: Sends the expense details to OpenAI to clean the amount, assign a category, and determine if \u003cstrong\u003emanager approval\u003c\/strong\u003e is needed.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStructures the final output\u003c\/strong\u003e: Parses the AI response and prepares the final fields for logging and notifications.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLogs to Google Sheets\u003c\/strong\u003e: Appends each record to the \u003cstrong\u003e“Expenses”\u003c\/strong\u003e sheet with an \u003cstrong\u003eAUTO_APPROVED\u003c\/strong\u003e or \u003cstrong\u003ePENDING_APPROVAL\u003c\/strong\u003e status (including fields like ai_reason).\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNotifies via Telegram\u003c\/strong\u003e:\n    \u003cul\u003e\n      \u003cli\u003eSends a message to the \u003cstrong\u003emanager\u003c\/strong\u003e when approval is required.\u003c\/li\u003e\n      \u003cli\u003eSends an \u003cstrong\u003eauto-approval confirmation\u003c\/strong\u003e to the \u003cstrong\u003eemployee\u003c\/strong\u003e when no approval is needed.\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eUse cases\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eCentralize travel, meals, and vendor receipts submitted from an internal expense form.\u003c\/li\u003e\n  \u003cli\u003eReduce manual triage by auto-categorizing expenses and flagging edge cases for review.\u003c\/li\u003e\n  \u003cli\u003eKeep an audit trail in Google Sheets while using Telegram for real-time approvals.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical details\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003en8n nodes\/integrations\u003c\/strong\u003e: Webhook, OpenAI (chat model for expense analysis), Google Sheets (OAuth), Telegram, plus supporting nodes (e.g., if, set, sticky note).\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSetup requirements\u003c\/strong\u003e: Configure the webhook URL for incoming fields; add OpenAI credentials and select the chat model; configure Google Sheets OAuth and ensure an \u003cstrong\u003e“Expenses”\u003c\/strong\u003e sheet with matching columns (e.g., expense_id, received_at, employee_name, amount, currency, vendor, category, description, status, ai_reason).\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"N8N Commerce","offers":[{"title":"Default Title","offer_id":45824205979827,"sku":"N8N-18153","price":77.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0749\/6279\/6723\/files\/95j6CoSfx_O9wRssx-u44_9YgyKonl.png?v=1786612642","url":"https:\/\/buyflowscripts.com\/products\/approve-employee-expenses-openai-google-sheets-telegram","provider":"N8N Commerce","version":"1.0","type":"link"}