ChatGPT Invoice Generator Prompts (2026): 50 Ready-to-Use Examples for Faster, Cleaner Invoicing

50 ChatGPT Invoice Generator Prompts (Copy-Paste Library)

Below are 50 scenario-specific chatgpt invoice prompts. Each one includes (1) the use case, (2) the prompt you can paste, (3) what you customize, (4) what you should get back, and (5) what to verify before you send.

Tip: If you want the cleanest output, paste your real work notes first. Then use the prompt to structure them into invoice line items, quantities, and totals.

Category 1: Basic Invoice Creation

1) Basic professional invoice

• Use case: Standard service invoice, single job.
• Copy-paste prompt:

Act as an invoicing assistant. Create a professional invoice for

[CLIENT_NAME]

. Invoice number is

[INV_NUMBER]

. Invoice date is

[DATE]

. Payment terms:

[NET_XX]

. Currency:

[CURRENCY]

.

Line item:

[SERVICE_DESCRIPTION]

. Quantity:

[QTY]

. Unit price:

[UNIT_PRICE]

. Include a line total.

Taxes: apply sales tax at

[TAX_RATE]%

(show tax amount). If there is no tax, say so and keep tax fields at 0.

Discount:

[DISCOUNT_AMOUNT_OR_PERCENT]

(specify if amount or percent). Show subtotal, discount, subtotal after discount, tax, and grand total.

Output sections in this order: “From”, “Bill To”, “Invoice Details”, “Line Items”, “Summary (Subtotal, Discount, Tax, Total)”, “Payment Terms”. Add a short verification checklist at the end. Ask questions if any fields are missing. Do not guess numbers.

• Customize: client, invoice number/date, line item details, tax, discount, payment terms.
• Designed to produce: a complete, structured invoice draft.
• Verify: dates, invoice number, tax math, and final total.

2) Simple service invoice

• Use case: One service, minimal complexity.

Create an invoice for

[CLIENT_NAME]

for the following work:

[WORK_NOTES]

.

Billing model is

[HOURLY_OR_FIXED]

. If hourly, bill

[HOURS]

hours at

[RATE]/hour

. If fixed, bill

[FIXED_FEE]

total.

Tax:

[TAX_RATE]%

sales tax. Discount:

[DISCOUNT]

(enter 0 if none). Payment terms:

[NET_TERMS]

. Currency:

[CURRENCY]

.

Output a clean line-item breakdown and totals. Ask for any missing numbers instead of guessing.

• Verify: whether it treated your billing model correctly (hourly vs fixed).

3) Itemized invoice

• Use case: Multiple tasks under one invoice.

Act as an invoicing assistant. Turn this work list into an itemized invoice for

[CLIENT_NAME]

.

Work list:

[PASTE_TASKS]

For each task, output: description, quantity, unit price, and line total. If you cannot determine quantity or price, ask me questions.

Then compute: subtotal, discounts (

[DISCOUNT_RULE]

), tax (

[TAX_RATE]%

), and grand total. Use currency

[CURRENCY]

. Payment terms:

[NET_TERMS]

.

• Verify: each line item count matches your work log.

4) One-time project invoice

• Use case: Deliverable-based project, fixed price with optional milestone lines.

Create a one-time project invoice for

[CLIENT_NAME]

.

Project summary:

[PROJECT_SUMMARY]

.

Deliverables (line items):

[DELIVERABLES_WITH_DATES_OR_STAGE]

Bill each deliverable as a fixed line item with amounts:

[AMOUNTS]

. If amounts are not provided, ask me.

Add expenses if listed under

[EXPENSES]

as separate line items. Apply tax at

[TAX_RATE]%

. Discount:

[DISCOUNT]

. Payment terms:

[NET_TERMS]

.

Output “Line Items” and a “Summary” section with calculations.

• Verify: milestone naming, deliverable dates, and tax applies to the right lines.

5) Invoice with multiple services

• Use case: Different services billed in one invoice.

Generate an invoice for

[CLIENT_NAME]

with multiple services.

Services:

[SERVICE_1]

, quantity

[QTY_1]

, rate

[RATE_1]

[SERVICE_2]

, quantity

[QTY_2]

, rate

[RATE_2]

[SERVICE_3]

, quantity

[QTY_3]

, rate

[RATE_3]

Currency:

[CURRENCY]

. Payment terms:

[NET_TERMS]

.

Apply discount:

[DISCOUNT]

. Apply tax:

[TAX_RATE]%

.

Output itemized line items and totals. If any rate or quantity is missing, ask before calculating totals.

• Verify: that each service line total equals quantity times rate.

Category 2: Freelancers

6) Freelance designer invoice

• Use case: Design work, revisions, and deliverables.

Act as an invoicing assistant. Create a

chatgpt invoice

for

[CLIENT_NAME]

for freelance design work.

Work details:

• Brand/logo concept:

[QTY]

concepts

• Revisions:

[REV_QTY]

rounds

• Final deliverables:

[DELIVERABLES]

Rates:

• Design hourly rate:

[RATE]

(if billed hourly)

or fixed fees:

[FIXED_AMOUNTS]

(if billed fixed).

Tax:

[TAX_RATE]%

. Discount:

[DISCOUNT]

. Payment terms:

[NET_TERMS]

. Currency:

[CURRENCY]

.

Output an itemized invoice with clear design descriptions and a verification checklist.

• Verify: revision count and whether revisions are included or billed separately.

7) Freelance developer invoice

• Use case: Hours plus deliverables (endpoints, integration work).

Create an invoice for

[CLIENT_NAME]

for freelance development.

Use this work log and structure it into line items:

[WORK_LOG]

Billing approach:

[HOURLY_PLUS_FIXED]

. If hourly, rate is

[RATE]

. Fixed deliverables are:

[DELIVERABLE_FIXED_LINES]

.

Include optional line item for “Reimbursable expenses” if

[EXPENSES]

exists, otherwise omit it.

Apply tax at

[TAX_RATE]%

and discount

[DISCOUNT]

. Payment terms:

[NET_TERMS]

. Currency:

[CURRENCY]

.

Ask clarifying questions for any missing numbers. Do not guess.

• Verify: that API endpoints or modules match the scope you actually delivered.

8) Freelance writer invoice

• Use case: Per-article pricing plus edits.

Generate an invoice for

[CLIENT_NAME]

for freelance writing.

Inputs:

• Articles:

[ARTICLE_COUNT]

at

[RATE_PER_ARTICLE]

each

• Research hours:

[RESEARCH_HOURS]

at

[RATE]

per hour (if applicable)

• Edits/revisions:

[EDIT_COUNT]

at

[EDIT_RATE]

Tax:

[TAX_RATE]%

. Discount:

[DISCOUNT]

. Payment terms:

[NET_TERMS]

. Currency:

[CURRENCY]

.

Output itemized line items and totals. Add invoice verification questions if anything is missing.

• Verify: that revision pricing is consistent with your contract.

9) Freelance marketer invoice

• Use case: Campaign management, reporting, ad optimizations.

Create an invoice for

[CLIENT_NAME]

for marketing services.

Line items:

1. Campaign setup and optimization, quantity

[QTY_1]

, unit price

[PRICE_1]

2. Weekly reporting, quantity

[WEEKS]

, unit price

[REPORT_PRICE]

3. Ad creatives revisions, quantity

[REV_QTY]

, unit price

[REV_PRICE]

Tax:

[TAX_RATE]%

. Discount:

[DISCOUNT]

. Currency:

[CURRENCY]

. Payment terms:

[NET_TERMS]

.

Output invoice sections and compute totals. Do not guess missing quantities.

• Verify: reporting period dates and week count.

10) Freelance consultant invoice

• Use case: Consulting hours plus a deliverable fee.

Act as an invoicing assistant. Build a consultant invoice for

[CLIENT_NAME]

.

Consulting work:

[HOURS]

hours at

[RATE]/hour

.

Deliverable:

[DELIVERABLE_NAME]

fixed fee

[DELIVERABLE_FEE]

.

Include expenses if provided:

[EXPENSES]

.

Tax at

[TAX_RATE]%

. Discount

[DISCOUNT]

. Payment terms

[NET_TERMS]

. Currency

[CURRENCY]

.

Output line items and calculations. Ask questions if any key input is missing.

• Verify: deliverable acceptance wording and whether it is billed as completed.

Category 3: Agencies

11) Marketing agency invoice

• Use case: Multi-line agency billing.

Create a marketing agency invoice for

[CLIENT_NAME]

.

Invoice period:

[START_DATE]

to

[END_DATE]

.

Line items:

• Technical audit: quantity

[QTY]

, unit price

[PRICE]

• Campaign management:

[HOURS]

hours at

[RATE]

• Reporting package:

[REPORTS]

at

[REPORT_PRICE]

Expenses:

[EXPENSES]

(optional). Tax:

[TAX_RATE]%

. Discount:

[DISCOUNT]

.

Payment terms:

[NET_TERMS]

. Currency:

[CURRENCY]

.

Output an agency-ready itemized invoice and a verification checklist.

• Verify: invoice period consistency with your service log.

12) SEO agency invoice

• Use case: SEO deliverables and reporting.

Generate an SEO agency invoice for

[CLIENT_NAME]

for

[MONTH_OR_PERIOD]

.

Include these line items as separate tasks:

• Keyword research updates

• On-page optimization

• Technical SEO checks

• Content optimization suggestions

• Monthly reporting

Quantities and prices:

• Use fixed prices if provided:

[FIXED_PRICES]

• Otherwise use hourly:

[HOURS_BY_TASK]

at

[HOURLY_RATE]

.

Tax:

[TAX_RATE]%

. Discount:

[DISCOUNT]

. Payment terms:

[NET_TERMS]

. Currency:

[CURRENCY]

.

Output invoice line items and totals, ask questions for missing values.

• Verify: that the line items match exactly what was delivered.

13) Web development agency invoice

• Use case: Fixed implementation plus ongoing maintenance.

Create a web development agency invoice for

[CLIENT_NAME]

.

Include:

1. Implementation fee (fixed):

[IMPLEMENTATION_FEE]

2. Maintenance retainer (monthly):

[MONTHLY_MAINTENANCE]

3. Additional features (optional):

[EXTRA_FEATURES_LINES]

Tax at

[TAX_RATE]%

. Discount:

[DISCOUNT]

. Payment terms:

[NET_TERMS]

. Currency:

[CURRENCY]

.

Output line items and totals with clear descriptions.

• Verify: whether maintenance is for the same month as invoice date.

14) Advertising agency invoice

• Use case: Management fees plus creative production.

Generate an advertising agency invoice for

[CLIENT_NAME]

covering

[PERIOD]

.

Line items:

• Ad management fee:

[MGMT_QTY]

at

[MGMT_PRICE]

• Creative production:

[CREATIVE_QTY]

at

[CREATIVE_PRICE]

• Landing page updates:

[LP_QTY]

at

[LP_PRICE]

Tax:

[TAX_RATE]%

. Discount:

[DISCOUNT]

. Currency:

[CURRENCY]

. Payment terms:

[NET_TERMS]

.

Compute totals and include a “Notes” section for campaign scope if provided.

• Verify: landing page updates scope and number of deliverables.

15) Monthly agency client invoice

• Use case: Recurring monthly invoice with stable scope and deliverables.

Create a monthly agency invoice for

[CLIENT_NAME]

.

Month:

[MONTH]

. Payment terms:

[NET_TERMS]

. Currency:

[CURRENCY]

.

Retainer amount:

[RETAINER_AMOUNT]

.

Break the retainer into itemized line items with these descriptions:

• Reporting and insights

• Optimization and management

• Strategy check-ins

Allocate the retainer across line items proportionally if you do not have separate prices. Otherwise use the provided line-item amounts.

Apply tax at

[TAX_RATE]%

. Discount:

[DISCOUNT]

.

Output invoice fields and a verification checklist. Do not guess the retainer amount.

• Verify: that proportional allocation matches your internal billing logic.

Category 4: Billing Models

16) Hourly invoice

• Use case: Consulting or labor billed by time.

Generate an hourly invoice for

[CLIENT_NAME]

.

Work log by category:

[CATEGORY_HOURS]

Rate:

[RATE] per hour

. Currency:

[CURRENCY]

.

Tax:

[TAX_RATE]%

. Discount:

[DISCOUNT]

. Payment terms:

[NET_TERMS]

.

Create line items per category, compute line totals, subtotal, tax, and grand total. Ask if any category hours or rate is missing.

• Verify: total hours equals sum of category hours.

17) Fixed-price invoice

• Use case: Contracted fee with a defined scope.

Create a fixed-price invoice for

[CLIENT_NAME]

.

Scope:

[SCOPE_DESCRIPTION]

.

Fixed fee:

[FIXED_FEE]

. Currency:

[CURRENCY]

.

Tax:

[TAX_RATE]%

. Discount:

[DISCOUNT]

. Payment terms:

[NET_TERMS]

.

Output one line item for the scope, then compute totals and include a verification checklist.

• Verify: scope wording matches the contract deliverable.

18) Mixed hourly + fixed-price invoice

• Use case: Hours plus a one-time implementation fee and expenses.

Generate a mixed-billing invoice for

[CLIENT_NAME]

.

Include these line items:

• Consulting:

[HOURS]

hours at

[RATE]/hour

• Implementation fee (fixed):

[IMPLEMENTATION_FEE]

• Reimbursable expenses:

[EXPENSES_TOTAL]

(break down if items are listed in

[EXPENSES_ITEMS]

)

Tax at

[TAX_RATE]%

. Discount:

[DISCOUNT]

. Currency:

[CURRENCY]

. Payment terms:

[NET_TERMS]

.

Compute totals and show each line total. Ask questions if any number is missing.

• Verify: discount application rules (on subtotal only, or after expenses).

19) Retainer invoice

• Use case: Monthly retainer with service categories.

Create a retainer invoice for

[CLIENT_NAME]

.

Retainer period:

[START_DATE]

to

[END_DATE]

. Monthly retainer amount:

[RETAINER_AMOUNT]

.

Break the retainer into these categories with descriptions:

• Strategy and planning

• Active support

• Reporting

If no category prices are given, allocate the retainer across categories (clearly label as allocation) but keep the retainer total unchanged.

Apply tax at

[TAX_RATE]%

. Discount:

[DISCOUNT]

. Payment terms:

[NET_TERMS]

. Currency:

[CURRENCY]

.

• Verify: that you did not change the retainer amount through allocation mistakes.

20) Milestone invoice

• Use case: Pay by project stage.

Generate a milestone invoice for

[CLIENT_NAME]

.

Project:

[PROJECT_NAME]

. Invoice date:

[DATE]

. Payment terms:

[NET_TERMS]

. Currency:

[CURRENCY]

.

Milestones completed:

[MILESTONES_AND_AMOUNTS]

Tax at

[TAX_RATE]%

. Discount:

[DISCOUNT]

. Include a line item for each completed milestone.

Output line items, subtotal, tax, discount, and total. Do not guess milestone completion status. Ask questions if needed.

• Verify: milestone dates and the exact amount tied to each milestone.

Category 5: Complex Invoice Calculations

21) Invoice with multiple quantities

• Use case: Goods or services with units and different quantities per line.

Create an itemized invoice for

[CLIENT_NAME]

with multiple quantities.

Line details:

[ITEM_1]

, quantity

[QTY_1]

, unit price

[UNIT_PRICE_1]

[ITEM_2]

, quantity

[QTY_2]

, unit price

[UNIT_PRICE_2]

[ITEM_3]

, quantity

[QTY_3]

, unit price

[UNIT_PRICE_3]

Discount:

[DISCOUNT]

. Tax:

[TAX_RATE]%

. Currency:

[CURRENCY]

. Payment terms:

[NET_TERMS]

.

Compute each line total and invoice totals. Ask questions if any quantity or price is missing.

• Verify: each quantity is the correct unit (hours vs pieces).

22) Invoice with discounts

• Use case: A single discount line or order-level discount.

Generate an invoice for

[CLIENT_NAME]

with a discount.

Line items:

[LINE_ITEMS]

Discount type:

[AMOUNT_OR_PERCENT]

. Discount value:

[DISCOUNT_VALUE]

.

Tax:

[TAX_RATE]%

. Currency:

[CURRENCY]

. Payment terms:

[NET_TERMS]

.

Show calculations clearly: Subtotal, Discount, Subtotal after discount, Tax, Total. If discount should apply only to certain lines, ask.

• Verify: whether taxes are computed before or after discount, per your rules.

23) Invoice with percentage discount

• Use case: Percentage-based discount.

Create a percentage-discount invoice for

[CLIENT_NAME]

.

Line items:

[LINE_ITEMS]

Apply a

[PERCENT]%

discount to the subtotal. Show subtotal, discount amount, discounted subtotal, tax at

[TAX_RATE]%

, and grand total.

Currency:

[CURRENCY]

. Payment terms:

[NET_TERMS]

.

Do not invent line-item prices. Ask if any are missing.

• Verify: the percent base is correct (usually subtotal, not tax-included).

24) Invoice with sales tax

• Use case: Domestic sales tax billing.

Generate a invoice for

[CLIENT_NAME]

with sales tax.

Line items:

[LINE_ITEMS]

Tax rate:

[TAX_RATE]% sales tax

. Tax should be calculated on the taxable subtotal.

If you are uncertain which items are taxable, mark them as “taxable?” and ask me.

Currency:

[CURRENCY]

. Payment terms:

[NET_TERMS]

. Discount:

[DISCOUNT]

.

Output totals and include a short verification checklist.

• Verify: which items are taxable in your jurisdiction.

25) Invoice with multiple tax components

• Use case: Taxes that split into state/local components or multiple rates.

Create an invoice for

[CLIENT_NAME]

with multiple tax components.

Line items:

[LINE_ITEMS]

Taxes:

• Tax component A:

[RATE_A]%

• Tax component B:

[RATE_B]%

For each component, calculate tax amount and show subtotal breakdown.

Discount:

[DISCOUNT]

. Currency:

[CURRENCY]

. Payment terms:

[NET_TERMS]

.

Output a summary that includes each tax component and grand total. Ask questions if discount affects tax base.

• Verify: tax-base rules and rounding behavior.

Category 6: Recurring / Monthly Billing

26) Monthly recurring invoice

• Use case: Same service each month.

Create a monthly recurring invoice for

[CLIENT_NAME]

.

Month:

[MONTH]

. Services included:

[SERVICE_LIST]

.

Monthly price:

[AMOUNT]

. Break it into line items if category list is provided, otherwise use one line item “Monthly services”.

Tax:

[TAX_RATE]%

. Discount:

[DISCOUNT]

. Payment terms:

[NET_TERMS]

. Currency:

[CURRENCY]

.

Output invoice details, line items, totals, and a verification checklist.

• Verify: month coverage and any prorations.

27) Monthly retainer invoice

• Use case: Retainer with defined scope.

Generate a monthly retainer invoice for

[CLIENT_NAME]

.

Retainer amount:

[RETAINER_AMOUNT]

. Period:

[START_DATE]

to

[END_DATE]

.

Include line items for:

• Support hours (if included):

[INCLUDED_HOURS]

• Reporting

• Strategy check-ins

Tax:

[TAX_RATE]%

. Discount:

[DISCOUNT]

. Payment terms:

[NET_TERMS]

. Currency:

[CURRENCY]

.

Compute totals and ask if “included hours” have a billing rule for overages.

• Verify: whether overages should be billed separately (and not mixed into the base retainer).

28) Subscription invoice

• Use case: SaaS-style recurring subscription.

Create a subscription invoice for

[CLIENT_NAME]

.

Subscription name:

[SUBSCRIPTION_NAME]

.

Billing cycle:

[MONTHLY_OR_YEARLY]

. Quantity (seats/users/licenses):

[QTY]

. Unit price:

[UNIT_PRICE]

.

Proration note (if any):

[PRORATION_TEXT]

.

Tax at

[TAX_RATE]%

. Discount:

[DISCOUNT]

. Payment terms:

[NET_TERMS]

. Currency:

[CURRENCY]

.

Output itemized invoice and totals. Ask questions if proration inputs are missing.

• Verify: that quantity represents seats or licenses as intended.

29) Multiple recurring client invoices

• Use case: Batch monthly billing for multiple clients.

Generate multiple recurring invoices for a list of clients. Use this CSV-like input:

[CLIENT_BILLING_ROWS]

For each row, create an invoice with:

• Client name and billing address

• Invoice number pattern:

[PATTERN]

• Period:

[PERIOD]

• Services (from row fields)

• Quantity and unit price (from row fields)

• Tax at

[TAX_RATE]

unless row has tax override

• Discount

[DISCOUNT]

unless row has discount override

Output as a numbered set of invoices, each with structured sections.

Do not invent missing values, ask questions.

• Verify: numbering, period dates, and per-client tax overrides.

30) End-of-month client billing

• Use case: Close out time and expenses for the month.

Create an end-of-month invoice for

[CLIENT_NAME]

for

[MONTH]

.

Use this time and expense list:

[TIME_AND_EXPENSES]

Billing rules:

• Hourly rate:

[RATE]

• Expenses billed at cost:

[YES_OR_NO]

Tax:

[TAX_RATE]%

. Discount:

[DISCOUNT]

. Payment terms:

[NET_TERMS]

. Currency:

[CURRENCY]

.

Output line items grouped into Labor and Expenses, then compute totals.

• Verify: month boundaries and expense totals.

Category 7: Invoice Descriptions (Turns Notes Into Professional Lines)

31) Generate professional invoice descriptions

• Use case: You have rough notes, you need polished descriptions.

Rewrite these invoice notes into professional invoice line item descriptions. Keep them accurate, do not add scope.

Notes:

[NOTES]

Output format: one line item description per bullet, max 1 to 2 sentences each, suitable for a invoice template line item.

Ask questions if any bullet is ambiguous in scope or outcome.

• Verify: wording matches what you actually delivered.

32) Turn rough notes into invoice line items

• Use case: Convert messy work notes into structured line items.

I completed the following work for

[CLIENT_NAME]

. Turn this into invoice line items with quantities and rates.

Work notes:

[WORK_NOTES]

Billing rules:

• If hours are referenced, convert to hours and bill at

[RATE]

.

• If fixed deliverables are referenced, label them as fixed fees but ask me for the fee amount.

Tax:

[TAX_RATE]%

. Currency:

[CURRENCY]

. Payment terms:

[NET_TERMS]

.

Output line items, totals, and a checklist of what you had to assume versus what you were given.

• Verify: everything that required assumptions, and correct any missing inputs.

33) Turn a work log into invoice descriptions

• Use case: You have a day-by-day log.

Convert this work log into invoice line items. Each line item should group similar tasks and include a clear description.

Work log:

[WORK_LOG]

Do not change quantities. Billing rate is

[RATE]

. Output quantity (hours) and unit price for each line item, then compute line totals.

• Verify: task grouping does not hide billable items you want to show.

34) Turn project notes into line items

• Use case: You have project notes, not time entries.

Turn these project notes into an invoice line-item list for

[CLIENT_NAME]

.

Notes:

[PROJECT_NOTES]

For each line item, provide:

• Description

• Quantity (either hours or deliverable count)

• Unit price (use

[RATE]

for hourly or ask me for fixed amounts)

Ask clarifying questions where needed. Do not guess prices.

• Verify: any “ask me for amounts” gaps before calculating totals.

35) Make invoice descriptions more professional

• Use case: Your line items are too vague.

Improve these invoice line item descriptions. Keep the scope the same and remove vague words like “work,” “stuff,” and “services.”

Current descriptions:

[DESCRIPTIONS]

Return rewritten descriptions plus a short note on what changed (clarity only, no scope changes).

• Verify: you did not accidentally expand scope.

Category 8: Industry-Specific

36) Contractor invoice

• Use case: Labor plus materials, expenses, milestones.

Create a contractor invoice for

[CLIENT_NAME]

.

Project details:

[PROJECT_DETAILS]

Include these sections as line items where applicable:

• Labor (hours at

[LABOR_RATE]

)

• Materials (list materials with quantities and unit prices)

• Expenses (if any)

• Milestones (if billed by stage)

Tax at

[TAX_RATE]%

. Discount:

[DISCOUNT]

. Currency:

[CURRENCY]

. Payment terms:

[NET_TERMS]

.

Output an itemized invoice and totals. Ask for missing labor/material quantities.

• Verify: materials unit prices and quantities.

37) Photographer invoice

• Use case: Session fee plus editing, delivery, licensing.

Create an invoice for

[CLIENT_NAME]

for photography services.

Include line items for:

• Session fee:

[SESSION_FEE]

• Editing:

[EDIT_HOURS]

hours at

[RATE]

• Delivery package:

[DELIVERY_DESCRIPTION]

fixed fee

[DELIVERY_FEE]

• Usage/licensing (if applicable):

[LICENSING_FEE]

Tax at

[TAX_RATE]%

. Discount:

[DISCOUNT]

. Currency:

[CURRENCY]

. Payment terms:

[NET_TERMS]

.

Output itemized line items and totals. Ask questions if licensing type is unclear.

• Verify: licensing scope and deliverables count.

38) Cleaning service invoice

• Use case: Hourly cleaning plus add-ons.

Generate a cleaning service invoice for

[CLIENT_NAME]

.

Services:

• Home/apartment cleaning:

[HOURS]

hours at

[RATE]

• Add-ons:

[ADD_ONS_WITH_PRICES]

• Travel fee:

[TRAVEL_FEE]

(if applicable)

Tax at

[TAX_RATE]%

. Discount:

[DISCOUNT]

. Currency:

[CURRENCY]

. Payment terms:

[NET_TERMS]

.

Output itemized invoice and totals. Do not guess travel fee if it is not provided.

• Verify: hour totals and add-on list consistency.

39) Consultant invoice

• Use case: Consulting sessions plus strategy deliverable.

Create a consultant invoice for

[CLIENT_NAME]

.

Consulting sessions:

[SESSIONS_WITH_HOURS]

Hourly rate:

[RATE]

.

Strategy deliverable fixed fee:

[DELIVERABLE_FEE]

with description

[DELIVERABLE_NAME]

.

Expenses (if any):

[EXPENSES]

.

Tax:

[TAX_RATE]%

. Discount:

[DISCOUNT]

. Currency:

[CURRENCY]

. Payment terms:

[NET_TERMS]

.

Output line items and calculations.

• Verify: session dates match your calendar or statement.

40) Construction invoice

• Use case: Construction billing with labor, materials, and milestones.

Generate a construction invoice for

[CLIENT_NAME]

.

Include:

• Labor line items (hours and labor rate)

• Materials line items (materials, quantities, unit prices)

• Milestone payments:

[MILESTONES_AND_AMOUNTS]

• Expenses:

[EXPENSES]

Tax at

[TAX_RATE]%

. Discount:

[DISCOUNT]

. Currency:

[CURRENCY]

. Payment terms:

[NET_TERMS]

.

Output clear sections and compute totals. Ask questions if any material quantities are missing.

• Verify: milestone status and materials totals.

Category 9: International / Payment Terms

41) Invoice with Net 15 terms

• Use case: Short payment window billing.

Create an invoice for

[CLIENT_NAME]

.

Invoice date:

[DATE]

. Payment terms:

Net 15

(due in 15 days).

Line items:

[LINE_ITEMS]

Tax:

[TAX_RATE]%

. Discount:

[DISCOUNT]

. Currency:

[CURRENCY]

.

Compute totals and due date. If you cannot compute due date due to missing date, ask me.

Output all invoice sections and a verification checklist.

• Verify: due-date calculation and local formatting requirements.

42) Invoice with Net 30 terms

• Use case: Standard Net 30 billing.

Generate a

chatgpt invoice

for

[CLIENT_NAME]

with Net 30 payment terms.

Invoice date is

[DATE]

, due date should be computed as 30 days after invoice date.

Line items:

[LINE_ITEMS]

Tax:

[TAX_RATE]%

. Discount:

[DISCOUNT]

. Currency:

[CURRENCY]

.

Output invoice fields and totals, and include due date in the “Payment Terms” section.

• Verify: date math and whether your terms allow weekends or holidays.

43) International client invoice

• Use case: Client in another country, additional billing fields.

Create an international invoice for

[CLIENT_NAME]

.

Client billing details include:

• Company address:

[ADDRESS]

• VAT/GST number (if provided):

[TAX_ID]

Invoice details: invoice number

[INV_NUMBER]

, date

[DATE]

, payment terms

[NET_TERMS]

, currency

[CURRENCY]

.

Line items:

[LINE_ITEMS]

Tax:

[TAX_RATE_OR_RULE]

. Discount:

[DISCOUNT]

.

Output line items and a summary, and include a “Tax details” note explaining tax treatment in plain language. Ask questions if VAT/GST numbers are missing.

• Verify: tax treatment and IDs required by your jurisdiction.

44) Multi-currency invoice

• Use case: Price in one currency, billing in another, exchange rate disclosure.

Create a multi-currency invoice for

[CLIENT_NAME]

.

Prices are quoted in

[QUOTE_CURRENCY]

. You must invoice in

[BILLING_CURRENCY]

.

Exchange rate provided:

[EXCHANGE_RATE]

(1

[QUOTE_CURRENCY]

=

[EXCHANGE_RATE]

[BILLING_CURRENCY]

).

Line items in quote currency:

[LINE_ITEMS_QUOTE_CURRENCY]

Compute invoice line totals in billing currency. Tax at

[TAX_RATE]%

in billing currency.

Output line items showing both currencies per line. Add a “Tax details” and exchange rate note.

• Verify: exchange rate accuracy and rounding per line or at total level.

45) Invoice with VAT/GST information

• Use case: VAT or GST-specific invoices.

Generate an invoice with VAT/GST fields for

[CLIENT_NAME]

.

Use VAT/GST setup:

• Tax ID:

[TAX_ID]

• VAT/GST number:

[VAT_GST_NUMBER]

(if provided)

• Tax rate:

[VAT_GST_RATE]%

Line items:

[LINE_ITEMS]

Discount:

[DISCOUNT]

. Currency:

[CURRENCY]

. Payment terms:

[NET_TERMS]

.

Output a tax summary that labels “VAT/GST” clearly, show tax amounts, and include a verification checklist.

• Verify: whether VAT/GST should apply to all lines or only specific ones.

Category 10: Invoice Management (Review, Fix, Follow-Up, Data Extraction)

46) Invoice payment reminder

• Use case: Friendly reminder email text with invoice context.

Write a payment reminder message for invoice

[INV_NUMBER]

to

[CLIENT_NAME]

.

Invoice date:

[DATE]

. Due date:

[DUE_DATE]

. Amount due:

[TOTAL_DUE]

. Currency:

[CURRENCY]

.

Tone: professional and concise. Include a payment instruction placeholder:

[PAYMENT_LINK_OR_BANK_INFO]

.

Output subject line and message body. Do not mention late fees unless I provide them.

• Verify: due date and amount due match your invoice total.

47) Overdue invoice follow-up

• Use case: Second follow-up with firmer wording.

Draft an overdue invoice follow-up for invoice

[INV_NUMBER]

.

Client:

[CLIENT_NAME]

. Amount due:

[TOTAL_DUE]

. Due date:

[DUE_DATE]

.

Provide a polite but firm message. Ask for payment status and confirm the fastest payment method.

Include payment instructions placeholder:

[PAYMENT_INSTRUCTIONS]

.

Do not threaten legal action. If a late fee policy exists, I will provide it. Otherwise omit fees.

• Verify: wording matches your actual policy and terms.

48) Invoice correction prompt

• Use case: You already have invoice data but want it checked.

Review the following invoice data for missing fields, inconsistent calculations, unclear descriptions, or possible arithmetic errors. Do not change the information silently.

Invoice data:

[PASTE_INVOICE_FIELDS_OR_LINE_ITEMS]

Return:

1. A list of issues found

2. Corrected totals only if I explicitly allowed calculation changes, otherwise show what to recalculate

3. A checklist of what I still need to confirm (client info, invoice number, dates, tax rate, totals, currency, terms)

• Verify: that corrections align with your accounting rules.

49) Invoice review/checking prompt

• Use case: Audit the invoice for completeness before sending or exporting.

Check the invoice draft below for completeness and consistency. Flag anything that could cause delays, disputes, or failed payment processing.

Draft:

[INVOICE_DRAFT_TEXT]

Specifically verify:

• Invoice number and dates

• Line item quantities, unit prices, and line totals

• Subtotal, discount, tax, and grand total calculations

• Currency and payment terms

• Required “From” and “Bill To” fields

Output a checklist with pass/fail plus action items. Do not rewrite the invoice unless I request it.

• Verify: that flagged items are fixed in your final invoice tool.

50) Convert invoice information into structured data

• Use case: Turn a text draft or work notes into structured fields for import.

Convert the following invoice information into structured data for an invoice template.

Input:

[INVOICE_TEXT_OR_NOTES]

Output JSON-like structure with these fields:

• from_name, from_address (if provided), from_email

• bill_to_name, bill_to_address

• invoice_number, invoice_date, due_date

• currency

• payment_terms

• line_items [{description, quantity, unit_price, line_total}]

• discount {type, value, amount}

• tax {rate, amount}

• subtotal, total

If any value is missing, set it to null and list what is missing. Do not guess values.

• Verify: that the structured output matches your import format and totals.