E-Invoicing in Accounts Payable: A Quick Guide

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E-invoicing in accounts payable: A quick guide

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What is e-invoicing (electronic invoicing)? How does e-invoicing work? ​​​​Benefits of e-invoicing What pain points does e-invoicing address? Should you automate your e-invoicing? ​Automate your AP e-invoicing with BILL

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Electronic invoicing has become increasingly common since becoming mandated in more than 55 countries. These mandates have been popping up because electronic invoices improve the government’s ability to audit, track, and enforce tax regulations on sales.

While these mandates have yet to make their way stateside, it’s a practice that business owners should get familiar with. Digital invoices don’t just help governments do their enforcement work, they help businesses streamline their operations.

Before you consider using e-invoicing as part of your accounts payable or accounts receivable process, you need to understand what it is, how it works, and how to implement it. Here, we’ll cover the need-to-know information to get you started before the practice is potentially mandated.

Key takeaways

E-invoicing involves sending and receiving invoices in a digital-first format that’s readable by accounts receivable and accounting platforms.

Automatic imports and updates save time on manual data entry while reducing the possibility of errors.

E-invoicing opens up opportunities to automate the accounts receivable and accounts payable processes and cut labor costs.

What is e-invoicing (electronic invoicing)?

E-invoicing refers to when a business generates, sends, and receives invoices in a digital format. These invoices are created and sent digitally as opposed to paper invoices converted into a digital file like a PDF.

Typically, e-invoices are made in an accounting or invoicing software in an industry standardized format (like XML or UBL). They are sent directly or imported easily into the recipients accounts payable or accounting platform where they are reviewed, approved, paid, and stored.

Since the format is standardized, accounting tools are able to read information directly from the file and import it into the platform. This means there’s no manual data entry which is an error-prone practice.

If the recipient prefers paper invoices, they can easily print out an e-invoice and keep it for their records.

Are invoices and e-invoices different?

E-invoices are fundamentally different from paper invoices. A paper invoice could be scanned and stored as a PDF, however, that’s not an e-invoice.

Instead, e-invoices are digital-first documents formatted so they can be sent and automatically processed by accounting software and enterprise resource planning (ERP) systems.

The file types of e-invoices are formatted uniquely and can be read by software to import essential information like the goods or services purchased, the amount owed, invoice number, and due date.

Digitally converted versions of invoices like PDFs or JPEGs do not have the same format or traits. An accounting software could use a text reader to import an invoice, but it’s not the same as an e-invoice, which can be sent and imported directly to the platform. ​​

How does e-invoicing work?

The e-invoicing process is very similar to the traditional accounts receivable and accounts payable processes, but with improved efficiency at nearly every step.

1. Invoice generation: The seller creates an invoice in a standardized format. Usually, they’ll use a template to which they only need to add the customer information and billed items.

‍ 2. Invoice validation: The invoicing platform reviews the invoice to ensure all information is correct, including whether it matches a purchase order.

‍ 3. Sending and receiving the invoice: The platform sends an invoice through to the customer. If the customer uses a compatible platform, the invoice is sent directly through where it can be automatically imported.

‍ 4. Customer completes approval workflow: After acknowledging the invoice, the approval workflow begins. Notifications are sent to stakeholders to sign off on the invoice. Tracking information is updated at every step of the workflow.

‍ 5. Payment is processed: Payments may be made directly in the platform using the preferred method of choice. If the payment is made using cash, check, or other physical method, the sender must update the amount manually. 6. Invoice archiving and storage: Both the buyer and the receiver are provided with a digital copy of the paid invoice that’s automatically stored for safekeeping.

This streamlined process saves time for both the sender and the receiver. Depending on the payment method, the accounting platform is updated automatically saving finance teams from having to micromanage both accounts payable and accounts receivable.

​​​​Benefits of e-invoicing

E-invoicing has benefits in both the accounts receivable and accounts payable process. Both the sender and the receiver have an improved experience when using e-invoices.

Streamlined workflows

Using e-invoices saves time in the generation and processing of an invoice.

The business generating the invoice can use templates to get a head start. Customer information is easily imported from a database and billed items are imported from a purchase order (if there is one).

Once generated, the e-invoice is sent to the recipient’s ERP, accounting, or accounts payable platform.

Once the customer receives the invoice, it’s imported directly into their preferred platform to begin the accounts payable process. WIth a centralized, digital invoice that everyone can access, approvals are quick to obtain before rendering payment.

Whether you’re sending or receiving the invoice, you’re saving time and opening up capacity for your finance team to take on more valuable tasks.

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Fewer chances of errors

Digital invoices come in a standard format with information that imports directly into the platform of your choice. By cutting out manual data entry, you reduce the chance of human error as part of the process.

This automation saves you time in processing the invoice and time spent reviewing entered information for accuracy. No more accounts receivable or accounts payable audits trying to find out why the amounts won’t balance.

Improved storage

Paper invoices are often misplaced or could be filed in the wrong spot. With e-invoices, the files are kept readily accessible in your invoicing or accounting platform.

Cloud storage means you can access the invoice from anywhere in the world and on multiple devices. You could even access an e-invoice on your phone while on the go.

The IRS requires that invoices must be kept for at least 3 years. With e-invoices, they’re easily accessible without taking up physical space.

Cuts down on costs

E-invoicing skips the need for paper, printing, postage, and storage costs. These are all immediate savings when switching to digital invoices.

But beyond those cost savings, automation and templates cuts down on the labor costs of generating, processing, and importing invoices.

Regardless of whether you’re sending or receiving invoices, e-invoices give you the opportunity to save money on your accounts receivable and accounts payable processes.

A more secure process

Paper invoices contain sensitive information. When you mail an invoice, you risk the chance that it goes missing or falls into the wrong hands.

E-invoicing leverages the latest security technology like encrypted file transfers, access codes, and digital signatures to keep information safe for both the sender and the receiver.

With tracking and tracing capabilities, you’ll know exactly who accessed the invoice, when it was received, and whether it’s been paid.

What pain points does e-invoicing address?

Ask anyone who has worked in accounts receivable or accounts payable and you’ll hear stories about the frustrations of handling paper invoices. This is how e-invoicing addresses those pain points.

Pain point #1: There’s too much paper.

Paper is THE productivity killer. It requires manual labor—and a lot of it. Plus, its transparency factor is practically nil, it’s hard to organize, and printing and mailing it is tedious.

Right now, your paper invoicing process may look like this:

If the idea of surfing a paper tsunami doesn't thrill you, move to e-invoicing. You’ll benefit from electronic invoice creation, immediate delivery online, and the ability to easily store and grant access to documents such as past invoices, contracts, and payment history.

Pain point #2: Remembering due dates

It’s the 30th. All invoices are due. So who has paid and who hasn’t?

Tracking down the information is time-consuming. Even worse: Those painful payment reminder calls.

E-invoicing often comes with automated reminders. From chasing down unpaid invoices to making sure your payments are always on time, digital invoices make staying on top of payments easy.

Pain point #3: Data entry.

No one likes to tackle data entry. It’s mind-numbing work and it takes a substantial amount of time. Because of these two reasons (and more), it often brings about errors. One or two typos or transposed numbers can throw a wrench into your cash flow and reporting.

Keep your systems synced with e-invoices. Generated invoices automatically sync with accounting software to update accounts receivable and sales numbers while received invoices can be imported to update your expenses and accounts payable.

All of this means your books are up-to-date without errors whenever you send or receive an e-invoice.

Should you automate your e-invoicing?

Automated e-invoicing is faster, simpler, and easier than manual processes. As companies grow, an automated accounts receivable or accounts payable solution can provide more efficiencies, but even small companies can benefit from automation.

For example:

In short, it can streamline the entire AR/AP process and help you improve your cash flow management.

​Automate your AP e-invoicing with BILL

When you use BILL to automate your e-invoicing, you get a lot more than that. Here's how it works.

Step 1. Invoice arrival and automatic data entry

When an invoice arrives, BILL AI starts reading the invoice automatically and enters the data into the system for your review. This speeds up the data capture process and reduces the chance of human error. In fact, ​​BILL customers reported saving on average 50% of their AP time.*

*Based on a 2021 survey of over 2000 BILL customers

Step 2. Streamlined, automated approval workflows

Once in the system, each invoice is directed to the right people for approval. You can set up as many business rules as you need. Pay some bills immediately and require several approvals for others. Your workflows are matched to each invoice and applied automatically in accordance with your preferences.

Increase AP controls with custom user roles, permissions, and approvals.

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Step 3. Smart, easy handling for issues and hold-ups

Too many AP systems are built for an ideal world, as if everything will go according to plan all the time. That’s not real life. A big part of the BILL difference is how the system can become a resource to help you manage each challenge and keep things moving.

Paper invoices. Do you have a vendor who’s still sending paper invoices? Streamline your process by entering them into your BILL workflow. Just snap a photo with your phone and upload it through the app, or scan it to your computer and drag and drop it onto the BILL dashboard. BILL treats it just like invoices that are emailed directly from vendors.

Invoice questions. When someone has a question, you can collaborate on that invoice right inside the app. Any message is stored digitally with the invoice itself. All invoice communication is—every question and response. BILL uses digital, cloud-based storage to keep track of all of it in one place.

Invoice holdups. Does an invoice seem to be held up in the system? Do you need to speed things up to take advantage of discounting terms for early payment? Check its status to see where it is in the approval process and what's needed. Request the missing approval with a few clicks. The approver can even validate the invoice on their phone via the mobile app.

Step 4. Private, secure payment with a few clicks

When you’re ready to pay that invoice, BILL offers multiple types of payment methods: virtual card, ACH, international wire transfer, and even paper check. No matter which you choose (even a paper check), BILL will issue that payment from its own accounts, so your banking information isn’t exposed to the companies you’re paying. Choose from your payment options and pay with a few clicks. BILL will handle the rest.

Step 5. Automatic syncing with your account software

BILL can integrate with corporate accounting software like QuickBooks, Oracle NetSuite, Sage Intacct, and Xero. Your books stay up to date automatically, making reconciliations easier than ever, with far less chance of human error. The invoice data follows the invoice from initial entry, to payment, to updating your accounting software, all automatically.

Step 6. Time-stamped audit trail for transparency and visibility

At every step of the way, each touchpoint with an invoice is documented in a time-stamped audit trail. Auditing becomes a simple process when all events are captured permanently and available for inspection.

Step 7. Scaling up your business

BILL scales up just as fast as you can grow. In fact, BILL can help you scale up even faster by making it easy to manage incredibly complex AP systems with a lean finance team—so you can add to your revenue without an increase in your payable department headcount.

“Prior to implementing BILL, the AHS team spent almost a week each month processing paper, matching each of the invoices to a single check. Now the process takes just one hour in addition to dramatically reducing the time the CFO spends in the approval and signing of checks.” — Diana Westrop, Controller, Atlanta Humane Society

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Author

Brendan Tuytel

Contributor

Brendan Tuytel is a freelance writer, who writes content for BILL. He draws from his studies of economics and multiple years of bookkeeping experience where he helped businesses understand and measure their financial health.

Author

Brendan Tuytel

Contributor

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Frequently asked questions

Accounts Payable

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Software Comparison

BILL Spend & Expense

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Best for AI expense automation

4.5 on G2

Features Pros & cons Rationale

Pros

Cons

BILL Spend & Expense pairs corporate cards with AI-powered expense management and budget controls in a single platform at no cost—teams aren't paying per user or upgrading to unlock features that competitors gate behind paid tiers.

Merchant-level spend controls and auto-freeze on incomplete transactions give admins granular oversight without manual policing, and two-way ERP integrations are included free where Ramp and Brex charge for NetSuite and Sage Intacct access. The main trade-off is an initial 12-month rewards holding period before accumulated points can be redeemed. [1][2][3][4]

Commonly compared to: Ramp and Brex (for card-first expense management), and SAP Concur (for enterprise expense programs).

Pricing

$0/user/month with no annual fee

Integrations

Two-way sync with QuickBooks, NetSuite, Sage Intacct, Xero, and Microsoft

Ideal company size

SMB to mid-market

SAP Concur

Best for large enterprises

4 on G2

Features Pros & cons Rationale

Pros

Cons

SAP Concur is the incumbent in expense management software, with the largest partner ecosystem and broadest global footprint on this list. Its modular approach gives large organizations flexibility to start with expense management and layer on travel or invoice capabilities independently.

The trade-off is complexity—pricing is opaque, there's no corporate card offering, and smaller teams may find the platform more than they need. Organizations already in the SAP ecosystem will get the most value from native S/4HANA integration. [6][7][8]

Commonly compared to: BILL (for SMB expense management), and Coupa (for enterprise spend management).

Pricing

Quote-based

Integrations

QuickBooks, Xero, Sage,TSheets, Gusto, & most business credit cards.

Ideal Company Size

Mid-market to enterprise

Ramp

Best for a broad spend platform

4.8 on G2

Features Pros & cons Rationale

Pros

Cons

Ramp's strength is breadth—it's not just an expense tool but a full spend management platform that includes AP automation, procurement, and vendor management alongside expenses. The AI policy agent is a differentiator, reviewing every transaction against company rules rather than relying on manual manager approvals.

The trade-off is that several features mid-market teams rely on—budget tracking, ERP integrations beyond QuickBooks and Xero, and HRIS syncs—require upgrading to Ramp Plus at $15/user/month plus a platform fee. [9][11]

Commonly compared to: Brex and BILL (for corporate cards and expense management), and SAP Concur (for enterprise expense programs).

Pricing

$0/user/month

Integrations

QuickBooks, NetSuite, Xero, Sage Intacct, Slack, & 100+ accounting tools.

Ideal Company Size

Startups to mid-market

Brex

Best for global teams

4.8 on G2

Features Pros & cons Rationale

Pros

Cons

Brex positions itself as a full financial stack for startups—cards, expenses, banking, and treasury in one platform. The AI expense reviews and 99% average compliance rate (per Brex's internal metrics) are notable, and the global reimbursement coverage across 70+ countries is broader than most competitors on this list.

Like Ramp, Brex gates budget management and HRIS integrations behind a paid tier, and credit limits fluctuate daily based on your bank balance. Teams that need predictable spending power or are past the startup stage may find the pricing structure adds up. [13][14][15]

Commonly compared to: Ramp and BILL (for corporate cards and expense management), and SAP Concur (for enterprise expense programs).

Pricing

$0/user/month

Integrations

NetSuite, QuickBooks, Workday,SAP Concur, Slack, & global banking portals.

Ideal Company Size

Startups to mid-market

Expensify

Best for simple reimbursements

4.5 on G2

Features Pros & cons Rationale

Pros

Cons

Expensify's strength is accessibility—it has the lowest barrier to entry for teams that just need to start tracking expenses and submitting receipts. The bring-your-own-card support from 10,000+ banks means companies don't have to switch card providers, and the SmartScan receipt capture (by photo, email, or text) is one of the more flexible input methods on this list.

The trade-off is that several features mid-market teams expect—budget management, advanced approvals, and expense policies—require upgrading to the Collect or Control plans, and spend controls are primarily limited to the Expensify Card rather than extending across all connected cards. [17][18]

Commonly compared to: Zoho Expense (for budget-friendly expense management), and BILL and Ramp (for integrated cards and expenses).

Pricing

From $5/user/month

Integrations

QuickBooks, Xero, Sage, TSheets, Gusto, & most business credit cards.

Ideal Company Size

Small to mid-market

Zoho Expense

Best for budget-conscious teams

4.5 on G2

Features Pros & cons Rationale

Pros

Cons

Zoho Expense offers unusually deep customization at a low price point—custom modules, workflow automation, webhooks, and configurable UI elements that most competitors don't expose. The active-user pricing model is genuinely cost-effective for companies where only a portion of employees submit expenses regularly.

The trade-off is that there's no corporate card offering—you'll need to connect your existing cards—and the platform delivers its deepest value when used alongside other Zoho products like Zoho Books and Zoho People. [19][20][21]

Commonly compared to: Expensify (for budget-friendly expense management), and SAP Concur (for global compliance and customization).

Pricing

Free (3 users); from $4/user/month

Integrations

Zoho Books, QuickBooks, Xero, Sage, Microsoft Dynamics, & Google Workspace.

Ideal Company Size

Small to mid-market

Software Comparison

BILL Accounts Payable

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Best for AI-powered automation

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Features Pros & cons Rationale

Pros

Cons

BILL's strength in AP automation is its combination of AI agents and network scale. The platform has processed over 1.3 billion documents and stopped 8 million fraud attempts, with AI agents that autonomously handle invoice coding, W-9 collection, and transaction reconciliation—not just data extraction. [3][4] The 93% ease-of-use rating and two-week time-to-value make it accessible without a lengthy implementation, and benefits extend beyond AP with accounts receivable available on the same platform. [1][2]

Commonly compared to: Ramp and Tipalti (for mid-market AP automation).

Pricing

$49/user/month [2]

Integrations

Two-way sync with QuickBooks Online, QuickBooks Enterprise, QuickBooks Desktop, Xero, Oracle NetSuite, Sage Intacct, and Microsoft Dynamics, plus custom file integration and API access [1][2]

Ideal company size

SMB to enterprise

Ramp

Best for essential AP automation

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Features Pros & cons Rationale

Pros

Cons

Ramp's reported free tier covers basic AP automation—OCR capture, approval workflows, and multiple payment methods with no base software cost, though per-transaction fees apply. The trade-off is that Ramp reports several features mid-market teams typically need—AI auto-coding, ERP integrations beyond QuickBooks and Xero, and multi-entity support—to require upgrading to Ramp Plus at $15/user/month plus a platform fee. Ramp's advertised feature package is strongest when used as a unified platform across AP, cards, and expenses rather than as a standalone AP tool. [7][8][9]

Commonly compared to: BILL and Tipalti (for mid-market AP automation).

Pricing

$0/user/month [8]

Integrations

Free tier: QuickBooks and Xero. Plus adds Oracle NetSuite and Sage Intacct. Enterprise adds Workday and Oracle Fusion Cloud. [8]

Ideal Company Size

Startups to mid-market

Tipalti

Best for global payables

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Features Pros & cons Rationale

Pros

Cons

Tipalti reports a strong feature listis the strongest option on this list for businesses with significant international payment needs. The combination of 200+ countries, 120 currencies, and a supplier portal in 27 languages as listed on its website will be attractive tomakes it purpose-built for global AP operations in a way that general-purpose AP tools are not. Customers profiled on the site report up to 80% reduction in AP workflow time. [10] The trade-off is complexity and cost—according to Tipalti's materials, the full global feature set requires the Advanced plan at $199/month or higher, and there is no listed free tier to start with.

Commonly compared to: BILL and Stampli (for mid-market AP), and Coupa (for enterprise procurement).

Pricing

$99/month [11]

Integrations

Native integrations with Oracle NetSuite, Sage Intacct, SAP, Microsoft Dynamics 365, and QuickBooks; custom ERP integrations available via Professional Services on the Elevate tier [10][11]

Ideal Company Size

Mid-market to enterprise

Stampli

Best for deep ERP integration

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Features Pros & cons Rationale

Pros

Cons

Stampli's reported in-house ERP integrations and the ability for teams to discuss and resolve invoice questions directly on the document appear to beare genuine differentiators for organizations with complex approval workflows. The listed 86% automation rate is strong, though the Cognitive AI tier is stated to require an upgrade—and the lack of published pricing means teams will need a sales conversation to evaluate cost. [13][14][15]

Commonly compared to: BILL and Tipalti (for mid-market AP automation).

Pricing

Quote-based [14]

Integrations

In-house integrations with SAP, Oracle, Microsoft Dynamics 365, Sage Intacct, QuickBooks, Oracle NetSuite, and Acumatica—verified as a Sage Recommended Solution and Built for NetSuite provider [13]

Ideal Company Size

Mid-market to enterprise

Melio

Best for simple bill pay

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Features Pros & cons Rationale

Pros

Cons

Melio appears to be the most accessible option on this list for small businesses that just need to pay bills. The reported card-to-ACH conversion feature lets businesses earn credit card rewards on vendor payments even when vendors don't accept cards, while deferring payment to the next billing cycle for cash flow flexibility. [16] (BILL does this too with BILL Pay By Card.) The trade-off is depth: Melio seems to lacklacks AI invoice coding, PO matching, and ERP integrations that growing businesses typically need, which may require migrating to a more capable platform as AP volume increases. [16][17]

Commonly compared to: BILL and Ramp (for small business AP).

Pricing

$0/month [17]

Integrations

QuickBooks Online, QuickBooks Desktop (Boost plan and above), Xero, and Amazon Business, with automatic two-way sync [16]

Ideal Company Size

Small businesses

Yooz

Best for per-document pricing

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Features Pros & cons Rationale

Pros

Cons

Yooz reports a pricing model that's unique on this list: per-document rather than per-user. For organizations with large AP teams processing high invoice volumes, this could be more cost-effective than per-seat licensing—especially since unlimited users seem to be included. The AI-powered self-learning capabilities listed on the site say that they improve accuracy over time, and 250+ listed integrations make it compatible with most accounting environments. [18][19] The platform claims to increase productivity by 80%. [18][20]

Commonly compared to: BILL and Stampli (for mid-market AP automation).

Pricing

$1.99/document [19]

Integrations

250+ ERP and financial system integrations including Sage Intacct, Oracle NetSuite, QuickBooks, Microsoft Dynamics 365, Acumatica, and CDK [18]

Ideal Company Size

SMB to enterprise

Software Comparison

BILL Spend & Expense

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Integrated travel and expense management

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Features Pros & cons Rationale

Pros

Cons

‍

BILL Spend & Expense is not a traditional credit card—it is an AI-powered expense management platform with a card attached. The rewards rates (up to 7x on restaurants, 5x on hotels) are competitive with premium travel cards, but the real differentiator is the built-in budgeting, approval workflows, and accounting integrations that come at no additional cost. [1][3]

Commonly compared to: Chase Sapphire Reserve for Business, Capital One Venture X Business, and The Business Platinum Card from American Express (for general travel cards).

Pricing

$0/month

Rewards

Up to 7x rewards, budget controls, AI expense tracking, free employee cards

Chase Sapphire Reserve for Business

Best for flexible travel rewards with strong travel protections

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Features Pros & cons Rationale

Pros

Cons

Software Comparison\




BILL Spend & Expense with BILL Travel

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Best for automating travel booking

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Features Pros & cons Rationale
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