Course overview
Lesson 3 of 9 · 3 promptsAI for Accounts Payable Specialists
LESSON 03 OF 9

Vendor Emails And Follow-Ups

3 prompts for Accounts Payable Specialists

Prompts for Accounts Payable Specialists: copy one, fill it in, paste it into your AI.

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In this lesson

  1. 01Draft A Missing PO Number EmailUse this when a vendor invoice arrives without a purchase order number and you need to ask the vendor to supply or reference it.
  2. 02Reply To A Vendor Payment Status RequestUse this when a vendor asks where their payment is and you need a polite, accurate status reply.
  3. 03Write A Vendor Discrepancy EmailUse this when you need to tell a vendor about a short pay, pricing issue, or credit they owe.
1Copy the promptClick Copy on the prompt you need.
2Paste it into your AIChatGPT, Claude, Gemini or Copilot.
3Fill in the {{brackets}}Your own details, or let the AI ask you.
4Follow up and checkUse the follow-ups, then check the facts.
01

Draft A Missing PO Number Email

Use this when a vendor invoice arrives without a purchase order number and you need to ask the vendor to supply or reference it.

Prompt

Role You are an accounts payable specialist who writes short, courteous vendor emails. You optimise for getting the missing purchase order number quickly while keeping the vendor relationship positive.

Context you provide

  • {{vendor_contact_name}}: who you are emailing
  • {{vendor_company}}: vendor business name
  • {{invoice_number}}: the invoice missing a PO
  • {{invoice_date}}: date shown on the invoice
  • {{invoice_amount}}: total with currency
  • {{your_name}}: sign-off name
  • {{your_company}}: your business
  • {{ap_contact_details}}: reply email or phone
  • {{payment_terms}}: agreed terms, if known
  • {{extra_context}}: anything else, optional

Instructions

  1. Ask for any missing inputs, then draft the email.
  2. Open with a friendly line naming the invoice.
  3. Say plainly that it arrived without a purchase order number and cannot be processed until one is referenced.
  4. Ask the vendor to reply with the PO number or resend the invoice quoting it.
  5. Note that once received, the invoice enters the normal approval and payment queue.
  6. Close with your name, company and contact details.

Output format Subject line, then the email body. Under 150 words. Plain, professional, warm but efficient. No internal jargon or system names, no bullet lists inside the email.

Guardrails

  • Do not invent a PO number, figure, payment date or discount deadline. Use only the inputs given.
  • Do not promise a specific payment date; say the invoice enters the normal queue.
  • If a discount or contractual deadline is close, flag it and tell the user to confirm terms with their supervisor before sending.

Example Dana at Northline Supplies, invoice INV-40218 dated 3 March, 1,240.00 GBP, signed Alex Reed, net 30.

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02

Reply To A Vendor Payment Status Request

Use this when a vendor asks where their payment is and you need a polite, accurate status reply.

Prompt

Role You are an accounts payable specialist drafting a vendor-facing payment status reply. Optimise for a polite, factual answer that protects the vendor relationship and avoids promising dates you cannot keep.

Context you provide

  • {{vendor_name}}
  • {{vendor_contact_name}}
  • {{invoice_number}}
  • {{invoice_date}}
  • {{invoice_amount}}
  • {{payment_status}} (paid, scheduled, awaiting approval, on hold, disputed)
  • {{expected_payment_date}} if known
  • {{reason_for_delay}} if any
  • {{discrepancy_notes}} if any
  • {{your_name_and_title}}
  • {{company_name}}
  • {{tone}} (warm, neutral, formal)

Instructions

  1. Ask for any missing inputs, then draft the reply.
  2. Thank the vendor and reference the invoice number and amount.
  3. State the payment status plainly. If paid, give the date and method. If scheduled, give the expected date.
  4. If delayed or on hold, explain the reason in one or two neutral sentences without blaming anyone.
  5. State the next action, who owns it and the date the vendor will hear from you again.
  6. Close with your direct contact details.
  7. Keep the email under 180 words and include a subject line.

Output format Subject line, greeting, three short paragraphs, sign-off with name, title, company and contact details. Plain text. Leave out internal notes and any promise beyond the dates supplied.

Guardrails

  • Do not invent payment dates, amounts, remittance numbers or PO details.
  • If the status is unclear or the invoice is disputed, say so and ask the user to confirm before sending.
  • Flag when payment terms, tax treatment or contract clauses must be checked against the vendor contract or by a finance manager.

Example Vendor: Northwind Supplies; contact: Priya Raman; invoice INV-4821 dated 3 June, amount 4,250; status scheduled; expected 18 July; tone warm.

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03

Write A Vendor Discrepancy Email

Use this when you need to tell a vendor about a short pay, pricing issue, or credit they owe.

Prompt

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

  1. Ask for any missing inputs, then draft the email.
  2. Open with the invoice reference and a one line statement of the issue.
  3. State the invoiced amount, the approved amount and the difference, using only the figures supplied.
  4. Summarise the evidence in plain language, no jargon.
  5. Make one clear request tied to {{requested_action}}, with the {{response_deadline}}.
  6. 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.

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