Free SaaS Invoice Template

Free invoice templates for SaaS companies, software startups, subscription businesses, cloud platforms, app developers, API providers, productized software teams, managed software providers, and B2B technology companies. Download and edit in PDF, Word, Excel, Google Docs, or Google Sheets.

Use this SaaS invoice template to bill for monthly subscriptions, annual plans, software licenses, onboarding fees, implementation work, setup charges, user seats, usage-based billing, add-ons, support plans, taxes, discounts, credits, and payment terms in a clear and professional way.

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SaaS Invoice Template

Download Free SaaS Invoice Templates

Download a template, then edit it in PDF, Word, Excel, Google Docs, or Google Sheets. Print it, save it, or send it to your customer when the subscription period, billing cycle, setup project, or software service is complete.

Use these templates for SaaS companies, software vendors, cloud platforms, app businesses, API providers, subscription teams, implementation consultants, and B2B software service providers.

How to Invoice for SaaS Services

A good SaaS invoice should clearly show the customer details, subscription plan, billing period, seat count, usage charges, add-ons, taxes, credits, and final amount due.

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In 5 Steps:

  1. Confirm the customer details, subscription plan, billing cycle, number of seats, contract terms, usage charges, add-ons, discounts, taxes, and payment terms before preparing the invoice.
  2. Add invoice details such as the invoice number, invoice date, due date, account ID, subscription ID, plan name, purchase order, contract reference, and billing period.
  3. List each SaaS charge clearly, including monthly subscriptions, annual software licenses, per-user seats, implementation fees, onboarding, support, storage, API usage, premium add-ons, or professional services.
  4. Separate recurring charges, one-time setup fees, metered usage, credits, discounts, tax, deposits, refunds, and the final balance due so the customer can review the invoice quickly.
  5. Send the invoice with payment methods, due date, account notes, renewal details, subscription terms, and any support, cancellation, or upgrade information that applies.

With Invoize, you can create SaaS invoices faster, save customer details, reuse software service descriptions, add recurring plans and usage line items, include notes, and track paid, unpaid, and overdue invoices from your phone.

What to Include in a SaaS Invoice

A professional SaaS invoice should include the details needed to identify the customer, subscription, billing period, software services, recurring fees, usage charges, payment terms, and final balance.

Invoice and Customer Details

  • Invoice numberHelps track the invoice, payment record, subscription cycle, account history, and customer billing record.
  • Customer name, company name, billing contact, and addressShows who received the software service and who is responsible for payment.
  • SaaS company, software vendor, or platform provider detailsShows who provided the software, subscription, implementation, or support service and where payment should be sent.
  • Account ID, subscription ID, purchase order, contract reference, or plan nameConnects the invoice to the correct customer account, software plan, contract, approval, or finance record.
  • Invoice date, due date, billing period, renewal date, or service datesShows which subscription period or software service period the invoice covers and when payment is expected.

SaaS Service Details

  • Subscription plan descriptionExplains the plan being billed, such as Starter, Pro, Business, Enterprise, annual license, or custom software subscription.
  • Billing period or renewal cycleShows whether the invoice covers monthly billing, annual billing, quarterly billing, prepaid service, or a contract renewal.
  • Users, seats, usage, add-ons, or quantitiesShows how seat count, active users, storage, API calls, transactions, support hours, or premium features were calculated.
  • Rate, unit price, recurring fee, license fee, or metered priceShows the agreed pricing method for each SaaS line item.
  • Setup, onboarding, implementation, support, or service notesGives customers supporting details for reviewing software setup, usage, support, or account billing.

Payment and Final Notes

  • Recurring fees, one-time fees, and usage chargesSeparates different SaaS charge types so the customer can review each amount clearly.
  • Discounts, credits, refunds, deposits, or prepaid amountsShows credits, promotional discounts, prorated adjustments, prepaid balances, or payments already received.
  • Subtotal, tax, usage fees, and total amount dueShows the final amount the customer needs to pay.
  • Payment methodsLists bank transfer, card payment, online payment, ACH, direct debit, or other accepted payment options.
  • SaaS billing notes or payment termsRecords the due date, late fees, renewal terms, cancellation notes, upgrade details, tax information, or next billing cycle details.

Billing Scenarios for SaaS Businesses

Use clear invoice labels so customers understand the software plan, billing cycle, seats, usage, one-time charges, recurring fees, credits, taxes, and final amount due.

ScenarioInvoice line itemsBest used forHow to describe it
Monthly SaaS subscriptionMonthly plan, billing period, subscription ID, recurring feeSaaS startups, app platforms, cloud tools, and software vendors.Show the monthly billing period, plan name, and recurring subscription amount.
Annual software licenseAnnual plan, license term, renewal date, user count, total feeB2B SaaS companies and enterprise software vendors.Include the contract term, license period, renewal date, and account reference.
Per-seat billingSeat count, user quantity, unit price, billing periodTeam software, collaboration tools, CRMs, HR tools, and productivity platforms.List the number of users or seats and the price per seat.
Usage-based billingAPI calls, transactions, storage, bandwidth, credits used, metered rateAPI providers, cloud platforms, data tools, and usage-based SaaS products.Separate base subscription from metered usage charges.
Implementation or onboardingSetup work, data import, configuration, training, launch supportSaaS vendors that help customers get started.Use one-time setup line items and describe the onboarding phase clearly.
Premium add-onsExtra features, integrations, storage, support tier, modulesSoftware companies selling upgrades or optional services.List each add-on separately so the customer can see what was added to the plan.
Enterprise support planPriority support, SLA coverage, account management, support hoursEnterprise SaaS providers and managed software teams.Mention the support level, service period, and included coverage.
Prorated upgrade or downgradePlan change date, old plan credit, new plan charge, prorated balanceSubscription businesses with mid-cycle plan changes.Show credits and new charges separately to avoid confusion.
Professional servicesConsulting, custom setup, migration, integration, trainingSaaS teams offering services alongside the platform.Separate service fees from recurring software fees.
Renewal invoiceRenewal period, subscription term, plan, seats, total dueAnnual or contract-based SaaS renewals.Include renewal dates, account reference, and any changes from the previous term.
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Common Charges and Fees for SaaS Invoices

SaaS invoices often include a mix of recurring subscriptions, license fees, user seats, usage charges, support fees, setup costs, credits, taxes, and adjustments.

Charge or serviceUnitWhen to useHow to show it
Subscription feeRecurring access to the software platformFor monthly, quarterly, or annual plansSaaS subscription fee
Software license feeRight to use the software during a defined termFor annual or enterprise software agreementsAnnual software license
Per-seat chargeCharges based on number of users or seatsFor team-based SaaS plansUser seats / licenses
Usage chargeMetered usage such as API calls, transactions, storage, or bandwidthFor consumption-based SaaS billingUsage-based platform charges
Onboarding feeCustomer setup, training, account configuration, and launch supportFor new customers or enterprise setupCustomer onboarding fee
Implementation feeData migration, integrations, configuration, or custom setupFor technical onboarding or custom deploymentImplementation and setup services
Support plan feePriority support, SLA coverage, or dedicated account helpFor premium support tiersPremium support plan
Add-on feeExtra modules, integrations, storage, seats, or featuresWhen customers add optional servicesPremium add-on module
Training feeProduct training, admin training, or team onboardingFor paid training sessionsSoftware training session
Migration feeMoving customer data from another systemFor data import or platform migration workData migration service
Prorated adjustmentPartial-period charge or credit after plan changesFor upgrades, downgrades, or mid-cycle seat changesProrated subscription adjustment
Discount or promotional creditSpecial pricing, trial credit, coupon, or account creditWhen a customer receives a discount or adjustmentSubscription discount / credit
Tax or VATRequired tax based on location or software service typeWhen tax appliesSales tax / VAT
Late payment feeFee charged after the invoice due dateIf allowed by the agreementLate payment fee

Common SaaS Invoicing Mistakes

Clear SaaS invoices help customers understand recurring charges, software access, plan changes, usage, and renewal terms before payment is approved.

MistakeWhy it causes problemsHow to fix it
Not showing the billing periodCustomers may not know which subscription cycle the invoice covers.Add the start and end date for the billing period or renewal term.
Using vague plan namesFinance teams may not understand what service was billed.List the plan name, subscription ID, and account reference clearly.
Combining recurring and one-time feesCustomers may question setup, support, or implementation costs.Separate subscriptions, setup fees, support fees, and usage charges.
Not showing seat countPer-user billing can be disputed if the quantity is missing.Add the number of users, seats, licenses, or active accounts.
Mixing usage charges with base subscription feesUsage-based pricing can look unclear when it is not itemized.List API calls, transactions, storage, bandwidth, or metered units separately.
Forgetting credits or prorated adjustmentsPlan changes can create confusion if credits are not shown.Show upgrades, downgrades, credits, and prorated balances clearly.
Missing renewal detailsCustomers may not know whether the invoice is for a renewal or new subscription.Include renewal dates, contract terms, and next billing cycle notes.
Leaving out payment termsPayment may be delayed if due dates and methods are unclear.Add due date, accepted payment methods, late fees, and account payment instructions.
Not separating professional servicesImplementation or migration work may be confused with software fees.List consulting, onboarding, migration, and training separately from subscription charges.
Forgetting taxesTax errors can affect accounting and compliance.Add tax or VAT where applicable and calculate totals accurately.

Questions

Frequently Asked Questions

What is a SaaS invoice?

A SaaS invoice is a billing document used by software-as-a-service companies to charge customers for subscriptions, software licenses, user seats, usage charges, setup fees, onboarding, support, add-ons, taxes, and other software-related services.

What should a SaaS invoice include?

Include your SaaS company details, customer details, invoice number, invoice date, due date, billing period, subscription ID, plan name, service descriptions, seats, usage, rates, taxes, discounts, credits, and the final amount due.

Can I use this template for monthly subscriptions?

Yes. Add the monthly billing period, plan name, subscription fee, seat count, add-ons, discounts, taxes, payment terms, and total amount due so the customer can review the recurring charge clearly.

Can I use this template for annual SaaS licenses?

Yes. Include the annual license period, renewal date, contract reference, seat count, support plan, taxes, and payment terms. This works well for B2B SaaS and enterprise software contracts.

How do I invoice for usage-based SaaS billing?

List usage-based line items separately, such as API calls, storage, bandwidth, transactions, credits, or metered units. Add the rate, quantity, billing period, and final usage charge.

Should onboarding and setup fees be separate?

Yes. One-time setup, onboarding, implementation, training, migration, or configuration fees should be listed separately from recurring software subscriptions.

How should SaaS discounts and credits be shown?

Show promotional discounts, account credits, prorated adjustments, refunds, deposits, or prepaid balances as separate lines before the final amount due.

What payment terms should a SaaS invoice include?

Include the due date, accepted payment methods, late fee policy, renewal terms, cancellation notes, upgrade details, tax information, and next billing cycle details where relevant.

Used by Businesses Around the World

From freelancers to growing companies, Invoize helps businesses create professional invoices, manage billing, and get paid faster.