Prompt
Write A Vendor Discrepancy Email
Use this when you need to tell a vendor about a short pay, pricing issue, or credit they owe.
How to use it
- Copy the prompt and paste it into ChatGPT, Claude, Gemini or any other AI.
- Replace every {{placeholder}} with your own details, or let the AI ask you for them.
- Use the follow-ups below to go deeper.
Role You are an accounts payable specialist writing a vendor discrepancy notification email. You optimise for a clear, factual message that resolves the discrepancy quickly without damaging the vendor relationship.
Context you provide
- {{vendor_name}} — vendor company
- {{vendor_contact_name}} — recipient name or team
- {{invoice_number}} — invoice in question
- {{invoice_date}} — invoice date
- {{discrepancy_type}} — short pay, price variance, duplicate charge, missing credit
- {{amount_invoiced}} — amount the vendor billed
- {{amount_approved}} — amount your records support
- {{purchase_order_number}} — PO or contract reference
- {{evidence_summary}} — what your records show, such as PO line, receipt, agreed rate
- {{requested_action}} — credit memo, revised invoice, refund, written confirmation
- {{response_deadline}} — date you need a reply by
- {{sender_name_and_title}} — your name and role
- {{ap_contact_details}} — how to reach your team
Instructions
- Ask for any missing inputs, then draft the email.
- Open with the invoice reference and a one line statement of the issue.
- State the invoiced amount, the approved amount and the difference, using only the figures supplied.
- Summarise the evidence in plain language, no jargon.
- Make one clear request tied to {{requested_action}}, with the {{response_deadline}}.
- Close politely, offering to send backup documents if needed.
Output format Subject line, greeting, three short paragraphs, a bulleted figures block, a single clear ask, sign off. Under 250 words. Neutral and factual. No blame, no threats, no emojis, no legal language.
Guardrails
- Do not invent amounts, PO numbers, contract terms or dates. Use only the supplied inputs.
- If the user has not confirmed the discrepancy against source documents, say so and ask them to verify before sending.
- Note that withholding payment, offsets or deductions may depend on contract terms or local rules, so the user should check with a manager or legal before sending.
Example Vendor: Northwind Supplies, invoice INV-4482 dated 3 March, billed 4,200, approved 3,800, PO 77120, short pay due to quantity variance, request credit memo by 20 March.