11 Best Plastiq Alternatives for B2B Payments – 2026

Plastiq is a payment platform that lets businesses pay vendors via credit card even when those vendors don't accept cards, charging a 2.9% processing fee per transaction and remitting funds via ACH, check, or wire. Businesses typically look for alternatives when processing fees compound across large invoice volumes, when they need net terms financing rather than credit card float, or when they require deeper ERP and accounting integrations.

Quick Answer: Best Plastiq Alternatives by Use Case

• Best for B2B net terms and upfront cash: Resolve, advances up to 100% on invoices, non-recourse, competitor pricing
• Best for free domestic payments: Melio, free ACH transfers, no monthly fees
• Best for international transfers: Wise, mid-market rates, no markup
• Best for comprehensive AP/AR automation: Bill.com, broad workflow features
• Best for enterprise payment solutions: Corpay, global capabilities and virtual cards

Key Takeaways

• Net terms financing beats credit card processing: Resolve's 3.15% fee on 30-day net terms costs comparably to Plastiq's 2.9% processing fees while providing instant approval, next-day payouts, and no credit card dependency
• Processing fees significantly impact profits: Credit card processing fees typically range from 1.5% to 3.5% per transaction, with businesses losing 2-3% of payment value that compounds over time
• AI-powered automation transforms efficiency: Modern platforms deliver instant credit decisions and automated reconciliation, reducing manual payment processing work by up to 90%
• Integration capabilities determine success: Platforms that connect with QuickBooks, NetSuite, and ecommerce systems eliminate manual data entry and reconciliation headaches
• Non-recourse financing eliminates risk: Unlike credit card debt accumulation, Resolve's advance payments are non-recourse, meaning businesses never face liability for customer defaults
• Payment flexibility drives adoption: 86% of businesses used faster or instant payments in 2023, demanding platforms that support ACH, wire, check, and card payments through unified portals

Plastiq Alternatives at a Glance

Why Businesses Are Moving Away from Plastiq

Plastiq solves a specific problem: paying vendors who don't accept credit cards. You charge your card, Plastiq remits via ACH or check, and you capture rewards or extend your float. For that narrow use case, it works.

The problems emerge at scale.

Fee compounding on large volumes. At 2.9% per transaction, a business processing $100,000 monthly pays $2,900 in fees. Annually, that's $34,800 in processing costs with no financing benefit, just the ability to use a card where you otherwise couldn't.

No net terms or financing capability. Plastiq doesn't extend credit to your buyers or advance cash to you. If your goal is to offer Net 30, 60, or 90 payment terms to your own B2B customers while getting paid upfront, Plastiq doesn't address that problem at all.

Limited ERP and accounting integrations. Modern B2B finance teams run on QuickBooks, NetSuite, or Xero. Platforms built specifically for B2B payments offer bidirectional sync and automated reconciliation. Plastiq's integration capabilities are limited by comparison.

See how Plastiq reviews from actual users describe these friction points in practice.

1. Resolve: AI-Powered B2B Payments Without Credit Card Dependency

Resolve takes a fundamentally different approach to B2B payments. Instead of processing credit card payments to vendors, Resolve extends net terms management to your buyers and advances up to 100% of approved invoice value to you within 24 hours. Custom pricing for Net 30 terms, comparable to standard card processing costs, but without credit card dependency.

Core Advantages:

• Non-recourse net terms financing with zero merchant risk
• Instant credit decisions powered by AI that evaluate thousands of buyer data points
• Net 30, 60, or 90-day payment terms for your B2B customers
• Up to 100% advance payment on approved invoices within 24 hours
• QuickBooks integration with automated bookkeeping and real-time sync
• White-label payment portal accepting ACH, wire, check, and cards

Transparent Pricing Structure:

• Custom pricing for Net 60/90 terms
• No monthly minimums or setup fees
• Volume-based discounts available

Resolve's AI-powered accounts receivable automation manages workflows, automates payment reminders, and handles collections follow-up without manual intervention. The platform's agentic collections capability places autonomous outbound calls at day 14 of a collections sequence, logs outcomes, and coordinates with email and SMS touchpoints.

If an approved buyer defaults on a net terms invoice, you keep the advance. The credit risk sits with Resolve, not your business. That's the core structural difference from credit card float: you're not accumulating debt that accrues 20% annual interest if not paid monthly.

Resolve serves over 15,000 businesses. Merchants report 40% increases in average order value, 20% year-over-year sales growth, and DSO reductions to as low as 28 days. The platform's business credit check service requires only a company name and address, with results within 24 hours.

Who It's For: B2B manufacturers, distributors, and wholesalers that want to offer payment terms to their customers, get paid upfront, and eliminate the manual overhead of running AR in-house. Not a fit for businesses primarily looking to pay their own vendors via credit card.

Plastiq vs. Resolve: The Core Difference

These two platforms solve different problems. Understanding which problem you actually have determines which tool you need.

Plastiq solves the vendor acceptance problem: your vendor doesn't take cards, but you want to pay with a card to capture rewards or extend float. Plastiq charges your card and remits to the vendor via ACH or check. You get the card benefits; the vendor gets paid in their preferred method.

Resolve solves the cash flow gap problem: your B2B customers want Net 30, 60, or 90 payment terms, but you need cash now. Resolve underwrites your buyers, extends them terms, and advances you the invoice value within 24 hours. Your customers pay later; you get paid today.

If you're a B2B seller trying to grow revenue by offering payment flexibility to your own customers while protecting cash flow, Resolve is purpose-built for that. Plastiq isn't.

For a detailed side-by-side breakdown, see the Resolve vs. Plastiq comparison.

2. Bill.com: Comprehensive AP/AR Automation

Bill.com processes payments for hundreds of thousands of business customers through its network of millions of members. It offers comprehensive financial automation beyond simple payment processing, including invoice management, approval workflows, and two-way accounting sync.

Platform Features:

• Automated invoice processing with OCR technology
• Customizable approval workflows
• Credit lines from $1,000 to $5 million
• Two-way sync with QuickBooks and Xero
• Mobile app for on-the-go approvals

Pricing Model:

• Essentials: $45/user/month
• Team: $55/user/month
• Corporate: $79/user/month
• Enterprise: Custom pricing
• Additional transaction fees apply

The platform's broad scope includes features that businesses simply seeking payment processing may not need, making it more complex and costly than focused alternatives.

Who It's For: Finance teams at mid-market companies that need end-to-end AP and AR workflow automation, not just payment processing.

3. Stripe: Developer-First Payment Processing

Stripe has become the default for online payments, with an API-first approach and extensive documentation that makes it ideal for businesses with technical resources.

Key Capabilities:

• Industry-leading API and developer tools
• Support for 135+ currencies
• Built-in fraud prevention
• Subscription billing capabilities
• Real-time reporting dashboard

Fee Structure:

• 2.9% + $0.30 per transaction
• International cards: +1.5%
• Currency conversion: +1%
• No monthly fees for basic plan

Stripe supports invoicing with net terms but does not natively finance those terms. It's a payment processor, not a B2B credit platform.

Who It's For: Businesses with development resources that need flexible payment infrastructure for online transactions. Not purpose-built for B2B net terms or AR automation.

4. PayPal Business: Ubiquitous but Limited

PayPal Business serves millions of merchants globally with instant recognition and buyer trust. However, its consumer focus limits its usefulness for complex B2B payment needs.

Key Features:

• International payment support
• PayPal Working Capital advances
• Invoice creation and management
• Buyer and seller protection programs

Cost Considerations:

• Standard rate: 2.89% + $0.49
• International payments: Variable by country
• Instant transfers: 1.75% fee, max $25 per transfer

Who It's For: Small businesses and freelancers that need a widely recognized payment method. Not suited for B2B companies needing vendor payment solutions or net terms capabilities.

5. Square: Retail-Focused Payment Processing

Square excels at point-of-sale and retail payments but offers limited B2B functionality. Its features are built around in-person transactions, not invoice-based B2B commerce.

Core Offerings:

• Free POS system and hardware options
• Next-day deposits
• Invoice creation and tracking
• Square Capital advances

Pricing Details:

• 2.6% + $0.10 for in-person payments
• 2.9% + $0.30 for online payments
• 3.3% + $0.30 for invoices

Who It's For: Retail, hospitality, and service businesses processing in-person transactions. Not a fit for B2B companies needing vendor payment solutions or net terms.

6. Corpay (formerly Fleetcor): Enterprise Payment Solutions

Corpay specializes in corporate payment solutions, particularly fleet management and cross-border payments. It targets large enterprises rather than SMBs.

Enterprise Features:

• Global payment capabilities
• Fleet card programs
• Cross-border payment optimization
• Expense management tools
• AP automation and virtual card programs

Pricing Approach:

• Custom enterprise pricing only
• Minimum volume requirements
• Setup and implementation fees
• Monthly platform fees

Who It's For: Large enterprises with high-volume cross-border payment needs and dedicated finance teams to manage implementation. Not suited for businesses seeking quick deployment or SMB-friendly pricing.

7. Melio: Free B2B Payment Platform

Melio offers free ACH transfers and affordable credit card payments, targeting small businesses with straightforward payment needs.

Platform Benefits:

• Free ACH and bank transfers
• 2.9% for credit card payments
• QuickBooks and Xero sync
• Vendor payment scheduling
• No monthly fees

Limitations:

• No net terms financing
• Limited international support
• No advanced automation or collections

While cost-effective for simple domestic payments, Melio lacks the financing options businesses need to offer terms to their own customers. For a broader look at options in this category, see Melio alternatives.

Who It's For: Freelancers and small businesses that need free ACH transfers and simple vendor payments without net terms or financing.

8. Wise (formerly TransferWise): International Payment Specialist

Wise revolutionized international payments with transparent, low-cost transfers using real mid-market exchange rates.

International Advantages:

• Real mid-market exchange rates
• Low transparent fees for major currencies
• Multi-currency accounts
• Local receiving accounts in multiple countries
• Batch payment processing and API access

Pricing Transparency:

• No markup on exchange rates
• Clear fee calculator available
• No hidden charges
• Volume discounts available

Wise handles international transfers only. Domestic payments and B2B financing require additional platforms.

Who It's For: Businesses with significant cross-border vendor payments that want to minimize foreign exchange costs. Not a replacement for B2B net terms or domestic AR automation.

9. Divvy (now BILL Spend and Expense): Expense Management Platform

Divvy combines expense management with payment processing, offering free software funded by interchange fees.

Management Features:

• Free expense management software
• Virtual and physical cards
• Real-time budget controls
• Automated expense reports
• Receipt capture and matching
• Integration with accounting software

Revenue Model:

• No monthly software fees
• Revenue from card interchange
• No foreign transaction fees
• Custom credit limits

Divvy requires using their credit cards exclusively, which limits payment flexibility compared to multi-method platforms.

Who It's For: Teams that want unified spend management and are comfortable centralizing purchases on Divvy cards. Not suited for businesses needing to pay vendors via ACH or offer net terms to customers.

10. Ramp: Modern Corporate Cards and Bill Pay

Ramp has gained traction with its modern approach to corporate cards, expense management, and bill pay automation.

Modern Features:

• 1.5% cashback on all purchases
• AI-powered expense management
• Bill pay automation
• Vendor price intelligence
• Accounting integrations

Unique Benefits:

• Automatic receipt matching
• Duplicate payment detection
• Real-time policy enforcement

Ramp's focus on corporate cards doesn't address businesses needing to pay vendors who don't accept cards or wanting to offer net terms financing to their own customers.

Who It's For: Companies that want to consolidate corporate spending on cards with strong expense controls and cashback. Not a B2B net terms or AR automation platform.

Making the Right Choice for Your Business

The right Plastiq alternative depends on what problem you're actually solving. If you need to pay vendors who don't accept cards, Melio handles domestic ACH for free. If you need to offer payment terms to your own B2B customers and get paid upfront, Resolve is purpose-built for that. If you're moving money internationally, Wise offers mid-market rates with no markup.

For Different Business Needs:

• Eliminating credit card fees while offering buyer financing: Resolve's net terms platform with competitive fees
• International payments: Wise for lowest foreign exchange costs
• Developer integration: Stripe's comprehensive APIs
• Free basic domestic payments: Melio's no-cost ACH transfers
• Enterprise solutions: Corpay's global capabilities

For businesses offering net terms to B2B customers, the Resolve fee buys upfront cash, credit risk transfer, and automated AR. The Plastiq fee buys the ability to charge a card. Those are different value propositions at similar price points.

Calculate your AR ROI to see what faster collections and upfront advances would mean for your specific invoice volume.

Frequently Asked Questions

What are the main differences between Plastiq and other payment processors?

Plastiq charges 2.9% processing fees and requires credit card usage for all transactions, while modern alternatives offer different models for different problems. Melio handles free ACH domestically. Wise handles international transfers at mid-market rates. Resolve provides AR automation with net terms financing and non-recourse advances, solving the cash flow gap rather than the vendor acceptance problem. The right comparison depends on whether you're trying to pay vendors or get paid by customers.

How much do Plastiq alternatives typically charge per transaction?

Transaction costs vary significantly by platform and payment method. ACH transfers are often free on modern platforms or charge a small flat fee. Credit card processing generally ranges from 1.5% to 3.5% per transaction. Resolve charges 3.15% for 30-day net terms with advance payment options. Stripe charges 2.9% plus $0.30. International payments often incur additional fees, with Wise offering competitive rates for currency conversion.

Can I use multiple payment processing platforms for my business?

Yes, many businesses use multiple platforms to optimize costs and capabilities. For example, companies might use Resolve for net terms management to eliminate credit card fees on buyer payments, Wise for international transfers, and Stripe for online customer transactions. The key is ensuring platforms integrate with your accounting software to avoid manual reconciliation. QuickBooks integration capabilities allow multiple payment platforms to sync transaction data automatically.

Which Plastiq alternative is best for B2B transactions?

For B2B transactions, Resolve's B2B payments platform offers net terms financing, instant credit decisions. Resolve advances up to 100% of approved invoice value within 24 hours and assumes the credit risk, so you get paid upfront while your customers pay later. The business credit check requires only company name and address, with results within 24 hours.

Do Plastiq alternatives integrate with QuickBooks?

Most modern payment platforms offer QuickBooks integration, though capabilities vary. Resolve provides automated QuickBooks sync that matches checks, ACH transfers, and wire payments before syncing to connected accounting systems. Bill.com offers two-way sync with automatic categorization. Melio provides basic transaction import. Prioritize platforms with automated reconciliation over basic data transfer to eliminate manual entry.

Is Plastiq still available in 2026?

Plastiq continues to operate as a payment platform focused on credit card bill pay. Its core offering remains a 2.9% processing fee that lets businesses charge vendors via credit card even when those vendors don't accept cards, with remittance via ACH, check, or wire. Businesses evaluating Plastiq in 2026 should weigh the fee compounding at scale and the absence of net terms financing against the specific use case of vendor card acceptance.

What is the best Plastiq alternative for businesses that want to offer net terms to their own customers?

If your goal is to offer Net 30, 60, or 90 payment terms to your B2B customers rather than pay your own vendors with a credit card, Resolve is the purpose-built platform. Resolve advances up to 100% of approved invoices within 24 hours and assumes the credit risk, so you get paid upfront while your customers pay later. See B2B collections software options if you also need to automate follow-up on outstanding invoices.

What is the cheapest way to replace Plastiq's credit card payment functionality?

For domestic vendor payments, Melio offers free ACH transfers with no monthly fees, making it the lowest-cost replacement for the vendor acceptance use case. For international transfers, Wise offers mid-market exchange rates with no markup. Neither platform offers net terms financing or advances invoice value. If you need those capabilities alongside payment processing, Resolve covers both.

This post is to be used for informational purposes only and does not constitute formal legal, business, or tax advice. Each person should consult his or her own attorney, business advisor, or tax advisor with respect to matters referenced in this post. Resolve assumes no liability for actions taken in reliance upon the information contained herein.