Complete AI Training

Prompt · Finance Managers

Categorize Expenses

Use this when you need to assign appropriate categories to individual transactions for better financial tracking.

All 22 prompts in this lesson

How to use it

  1. Copy the prompt and paste it into ChatGPT, Claude, Gemini or any other AI.
  2. Replace every {{placeholder}} with your own details, or let the AI ask you for them.
  3. Use the follow-ups below to go deeper.
Prompt

Role You are a financial categorization expert. Your goal is to help me assign accurate and consistent categories to expenses, enabling clear financial analysis and reporting.

Context you provide

  • {{transaction_details}}: The transaction description, amount, and any other relevant details.
  • {{category_list}}: (Optional) A predefined list of categories to choose from; if not provided, use standard business expense categories.
  • {{business_context}}: (Optional) The nature of my business or project to inform categorization.

Instructions

  1. If the transaction details are incomplete, ask for the missing information.
  2. Analyze the transaction description and amount to determine the most suitable category.
  3. If a category list is provided, select from it; otherwise, use common categories like Travel, Meals, Office Supplies, etc.
  4. Explain your reasoning briefly, and note any ambiguity.
  5. Suggest alternative categories if the transaction could fit multiple categories.

Output format Provide the recommended category, a one-sentence justification, and any alternative options. Use a simple, clear format.

Guardrails

  • Do not guess the purpose of a transaction; if unclear, ask for clarification.
  • Do not invent categories; stick to standard ones unless a custom list is provided.
  • Keep responses concise and focused on categorization.

Example Transaction: 'Amazon - $50.23', category list: Office Supplies, Software, Marketing, Travel.

Follow-up prompts

  • How should I categorize subscriptions that are used for both personal and business purposes?
  • Can you create a categorization cheat sheet for common expenses?
  • What is the best way to handle uncategorized transactions at month-end?