Large invoices create a payment problem. While credit cards are convenient, they can get expensive for merchants who take payments of $2,500, $10,000, or $50,000 at a time.
The solution is to automate invoicing and payment processing based on the invoice amount, customer type, and the payment method that best suits the customer. For B2B merchants, automation software should be able to send invoices, process ACH and credit card payments as needed, track payments, and reconcile accounts.
Why B2B Businesses Need a Better Payment Strategy
B2B sales are more complex than buying goods at retail. A business selling to another business may require purchase orders, approvals, invoice numbers, payment terms, tax information, and records for partial payments before the sale is complete.
Invoicing and payment processing software offers solutions for small businesses. These programs send digital invoices with payment options and records directly into the customer’s account.
The ACH Network processes many B2B transactions each year. According to Nacha, 35.2 billion ACH payments totaling $93 trillion were processed in 2025 alone.
ACH vs. Credit Cards for Large B2B Invoices
Cards and ACH both have a place in B2B payment solutions. The goal is to use the right rail for the invoice, not force every customer into the same payment method.
| Payment Method | Best For | Main Strength | Main Risk To Manage |
|---|---|---|---|
| ACH / eCheck | Large invoices, retainers, wholesale orders and recurring B2B payments | Lower fee pressure on high-dollar invoices | Authorization, returns and settlement timing |
| Credit Card | Urgent payments, smaller invoices and customers that prefer cards | Fast authorization and familiar payment experience | Higher processing fees and chargebacks |
| Payment Link | Quick invoice follow-up by email or text | Easy remote collection | Must connect clearly to the invoice |
| Virtual Terminal | Phone-authorized B2B payments and back-office collection | Useful for customer-service teams | Keyed-entry risk and documentation |
| Card-on-File | Repeat customers with approved billing terms | Faster repeat collection | Stored-credential consent and clear terms |
| Bank Transfer / Wire | Very large or time-sensitive B2B payments | Strong fit for high-dollar transfers | Manual reconciliation and customer friction |
A good B2B payment policy usually gives customers more than one option. Cards may remain available, but ACH should often become the preferred option for larger, recurring or lower-margin invoices.
Key Features to Look for in Billing and Payment Solutions
The best billing and payment solutions should make invoices easier to pay and easier to reconcile. That means payment acceptance should connect to the invoice, customer, job, order, subscription, service period or purchase order.
Prioritize tools that support:
- ACH and card payments
- invoice payment links
- due dates and automatic reminders
- partial payments or deposits
- recurring invoices
- customer payment portals
- QuickBooks or accounting sync
- payment status tracking
- refund and credit memo records
- permissions for finance teams
- reporting by customer, invoice and payment method
- clear receipt and descriptor information
For high-risk merchants, the invoicing tool is only part of the setup. The merchant account and payment gateway still need to support the industry, ticket size, billing model and chargeback profile.
Best B2B Payment Solutions Compared
Provider fit depends on invoice size, customer type, risk profile, accounting software, ACH needs and whether the merchant needs a standard processor or high-risk underwriting.
| Provider Or Setup | Best Fit For | Key Strength | Main Tradeoff |
| Payment Nerds | B2B and high-risk merchants that need ACH, card processing, invoice strategy and account-fit guidance | Strong fit for B2B payment solutions, ACH, high-ticket invoices, merchant account review and chargeback controls | More consultative than a self-serve invoicing app |
| QuickBooks Payments | Businesses already using QuickBooks invoices and accounting | Native invoicing, ACH, card payments and accounting sync | May not fit every high-risk or high-ticket merchant model |
| Stripe Invoicing | Supported online businesses, SaaS firms and service providers | Hosted invoices, cards, ACH and developer-friendly payment tools | Restricted or higher-risk categories may need another processor |
| BILL | SMBs and finance teams managing payables, receivables and ACH workflows | ACH automation, invoice storage, approvals and accounting sync | More finance-platform focused than merchant-account focused |
| Authorize.net eCheck + Merchant Account | Merchants needing eCheck, virtual terminal and recurring billing support | ACH/eCheck through a familiar gateway | Approval depends on the underlying merchant account |
| NMI + Merchant Account | High-risk merchants needing gateway flexibility and processor choice | Can support cards, ACH, recurring billing, virtual terminal and reporting | Requires proper setup and underwriting support |
| ACH-First Merchant Account | High-ticket B2B merchants that want to reduce card-fee dependence | Better payment-method alignment for large invoices | ACH returns and authorization must be monitored |
Payment Nerds is usually the strongest fit when the business needs help matching invoice workflows to the right merchant account and gateway. A billing app can send the invoice, but the processor still needs to support the associated payment risk.
How to Get Paid Faster on Large B2B Invoices
Begin with invoice hygiene. Every invoice should clearly show who the customer is, the invoice number, when payment is due, the period of service being billed, payment options, refund terms and who to contact with questions. The customer should not have to email accounting just to figure out how to pay.
Then use payment nudges. A merchant might, for instance, make ACH the preferred payment method for invoices over a certain amount, leave cards on the table for smaller invoices and keep deposits on custom work. This reduces exposure to card fees while maintaining customer choice.
Finally, automate collections. Online reminders, payment links, billing contacts and customer portals all eliminate human involvement in collections. The easier it is for someone to approve and pay an invoice, the less likely it is to collect dust in someone’s inbox.
High-Risk Considerations for Large Invoices
High-risk merchants should be careful with large card payments. Large invoices or high sales volumes may prompt a review by the payment processor, especially if they do not match the merchant’s original underwriting profile.
High-risk merchants are required to have a solid documentation system for their invoices. Documentation of orders and deliveries, or of merchants’ approvals to accept invoiced products or services, will be required in the event of a dispute by the customer or the processor.
Although ACH payments can help high-risk merchants avoid large volumes of card payments, they still require authorization, returns, and documentation of payment terms.
How Visa VAMP Impacts B2B Card Payments
VAMP stands for the Visa Acquirer Monitoring Program and is a combined fraud and dispute monitoring program. The VAMP ratio is the number of fraud and non-fraud disputes divided by the number of settled Visa transactions.
Visa’s VAMP program applies to Visa card activity only – not ACH payments. However, B2B companies that take card payments for invoices must monitor fraud, chargebacks, refund delays, and descriptor issues. A few large invoice disputes can significantly impact the account, even with fewer total transactions.
The VAMP program also includes enumeration monitoring to detect fraudulent activity from bots testing payment cards on the websites during the payment process. If a B2B business offers invoice payment links online, the company must monitor the website for enumeration attacks.
Common B2B Invoicing & Payment Processing Mistakes to Avoid
The biggest mistake many companies make is treating every large invoice as a normal retail sale with a credit card. High-dollar invoices require specific rules regarding the payment method accepted by the customer.
Another mistake is attempting to separate the invoicing process from reconciliation. If invoices are processed in one system and payments, deposits, refunds, and fees are processed in another, reconciliation will consume much of the team’s time. A good invoicing and payment processing system will make reconciliation easier for the accounting department.
FAQs About B2B Invoicing and Payment Processing
Q: What is invoicing and payment processing?
A: Invoicing and payment processing help businesses send invoices, receive payments, issue receipts, and manage refunds and deposits. Features include ACH, card payments, payment links, portals and accounting software integrations.
Q: What is online invoicing and payment processing?
A: Online invoicing and payment processing allows businesses to create and send digital invoices that customers pay electronically. Digital invoices include ACH, card payments, payment links and payment status tracking.
Q: What are billing and payment solutions?
A: Billing and payment solutions provide businesses with the tools to create and send invoices, receive payments, automate billing and reconcile payments with accounting records.
Q: What are B2B payment solutions?
A: B2B payment solutions include different methods for businesses to pay other businesses. These include ACH, cards, wires, payment links, invoices, and portals.
Q: Is ACH better than credit cards for large invoices?
A: ACH is better for large business invoices as there is less impact on the payment fees that high-value invoices accrue when using credit cards.
Q: Should high-risk merchants use ACH payments for B2B invoices?
A: High-risk merchants that deal with B2B invoices should use ACH payments for large invoices or retainer payments. ACH payments allow merchants to avoid using credit cards while still receiving payments.
Q: How can businesses get paid faster for their invoices?
A: Businesses can use online payment links, ACH payments, credit card payments, automated payment reminders, portals and invoice records to get their invoices paid faster by matching the customer’s payment process.
Q: Does the Visa Acquirer Monitoring Program (VAMP) impact B2B invoices?
A: VAMP may impact B2B businesses that use payment links and credit cards to receive payments on their invoices. These payments may result in fraud or failed payments. ACH payments are outside the Visa program, but credit card invoices should still be tracked.
Q: Can Payment Nerds assist with B2B invoicing and payments?
A: Payment Nerds can assist B2B merchants by comparing invoicing and payment processing companies. These include online invoicing and payment processing companies, billing and payment solutions and ACH and card payments or gateways.
Conclusion
B2B merchants don’t have to choose between slow checks and expensive card payments. There’s a better solution using online invoices, ACH, cards, payment links and accounting software in the right places.
Payment Nerds can assist merchants in comparing invoicing and payment processing, online invoicing and payment processing solutions, billing and payment solutions and B2B payment solutions. We want to help B2B companies get their large invoices paid faster without sacrificing the margins they work so hard to keep.
Sources
- Nacha. “ACH Network Volume and Value Statistics.” Accessed July 2026.
- Nacha. “Account Validation Resource Center.” Accessed July 2026.
- Stripe. “Pricing & Fees.” Accessed July 2026.
- Stripe. “Stripe Billing Pricing.” Accessed July 2026.
- QuickBooks. “Payment Rates.” Accessed July 2026.
- BILL. “ACH Payment Processing for Businesses.” Accessed July 2026.
- Authorize.net. “eCheck and ACH Explained.” Accessed July 2026.
- Visa. “Visa Acquirer Monitoring Program Fact Sheet.” Accessed July 2026.
- Authorize.net Support. “What Is eCheck and How Do You Apply for It?” Accessed July 2026.
