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Accounting · head to head

Adyen vs Melio

Adyen logo

Adyen

Accounting

The payments platform built for growth

From
$0.13/per-transaction
Rated
-
Full reviewWebsite
Melio logo

Melio

Accounting

Simple business payments

From
Free
Rated
-
Full reviewWebsite

The short version

  • Only Melio has a free tier, so it costs nothing to try first.
  • Each has a real cost: Adyen there is a minimum monthly invoice, set by industry and business model and only disclosed through the sales team, so small volumes are not economic; Melio card payments incur flat 2.9% fee on all plans
  • They diverge on capability: Adyen covers Payment processing, Melio covers Vendor payments.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Adyen and Melio actually diverge.

Attributes where Adyen and Melio differ
AttributeAdyenMelio
Starting price$0.13/per-transactionFree
Pricing modelusage-basedfreemium
Free tierNoYes
PlatformsWeb, Api, PosWeb, Mobile app
Founded20062018

Identical on both: user rating (Not yet rated), category (Accounting).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Adyen

  • Payment processing
  • Risk management
  • Unified commerce
  • Issuing
  • Platform payments
  • SAP
  • Salesforce
  • Oracle

Only in Melio

  • Vendor payments
  • Card to check
  • Payment scheduling
  • Approval workflows
  • QuickBooks sync
  • QuickBooks
  • Xero
  • FreshBooks

Both cover

  • SOC 2
  • Web support

What people use each for

The jobs each tool is most often brought in to do.

Adyen

  • Card acquiring with interchange plus pricing for larger merchantsnot Melio
  • Accepting local payment methods across multiple countriesnot Melio
  • Settling in several currencies through linked bank accountsnot Melio
  • Unified online and in-person paymentsnot Melio

Melio

  • Accounts payable automationnot Adyen
  • Bill management and payment schedulingnot Adyen
  • Multi-vendor payment processingnot Adyen
  • Invoice receivables and payment collectionnot Adyen

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Adyen

  • There is a minimum monthly invoice, set by industry and business model and only disclosed through the sales team, so small volumes are not economic
  • Published fees are indicative rather than a rate card, with real pricing negotiated
  • Interchange++ means the card cost varies per transaction rather than being a single predictable percentage
  • Alternative payment methods carry their own rates on top, such as 3.3 percent plus $0.10 for American Express in North America

Melio

  • Card payments incur flat 2.9% fee on all plans
  • International payments charged $20 flat fee or 2.9% conversion rate plus international fees
  • Paper checks cost $1.50 per check
  • Wire transfers cost $10 standard or up to 1% plus $10 for same-day processing
  • Core and Boost plans charged $10/month per additional user beyond base

Pricing, plan by plan

Adyen

$0.13/per-transaction
  • Transaction-Based Pricing$undefined/mo
    • Fixed $0.13 USD per transaction
    • Variable fee determined by payment method
    • No setup fees

Melio

Free
  • GoFree
    • 5 free ACH payments per month
    • Pay by card, wire, or check
    • Basic invoicing
  • Core$25/month
    • 20 free ACH payments per month
    • $20/month with annual billing
    • QuickBooks Online and Xero sync
  • Boost$55/month
    • 50 free ACH payments per month
    • $44/month with annual billing
    • QuickBooks Desktop sync
  • Unlimited$80/month
    • Unlimited free ACH payments
    • $64/month with annual billing
    • NetSuite sync

Which should you pick?

Choose Adyen if

  • You need payment processing.
  • You work on Web, Api, Pos.
  • You also want risk management.
Adyen review

Choose Melio if

  • You need vendor payments.
  • You want to start without paying.
  • You work on Web, Mobile app.
  • You also want card to check.
Melio review

Questions people ask

Is Adyen or Melio better?
Neither clearly leads. Adyen starts at $0.13/per-transaction and Melio at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Adyen or Melio?
Melio has a free tier; the other does not. Paid plans start at $0.13/per-transaction for Adyen and Free for Melio.
Does Adyen or Melio run on more platforms?
Adyen runs on Web, Api, Pos. Melio runs on Web, Mobile app.
Can I use Melio for free?
Yes. Melio has a free tier, so you can try it without paying. Adyen starts at $0.13/per-transaction.
What is Adyen best used for?
Adyen is most often used for card acquiring with interchange plus pricing for larger merchants, accepting local payment methods across multiple countries, settling in several currencies through linked bank accounts, unified online and in-person payments. Of those, card acquiring with interchange plus pricing for larger merchants and accepting local payment methods across multiple countries are not what Melio is typically brought in for.
What can Adyen do that Melio cannot?
Adyen covers Payment processing, Risk management, Unified commerce, Issuing. Melio covers Vendor payments, Card to check, Payment scheduling, Approval workflows. Both handle SOC 2, Web support.

Answered from the vendors’ own pages

Adyen: How much does Adyen charge per transaction?

Adyen charges a fixed $0.13 USD per transaction plus a variable fee based on the payment method used. Credit cards typically cost $0.13 + 0.60% + interchange, while digital wallets and BNPL options cost between $0.13 + 0.99% to $0.13 + 4.99%+, depending on the specific method and region.

Source
Melio: What does Melio charge for ACH payments?

Melio's free Go tier includes 5 free ACH payments per month. Core tier provides 20 free ACH payments per month at $25/month. Boost offers 50 free ACH payments at $55/month. Unlimited tier at $80/month includes unlimited free ACH payments.

Source
Adyen: Does Adyen have monthly subscription or setup fees?

No, Adyen has no setup fees or monthly recurring charges. You pay only for each transaction processed. The transaction fee structure remains the same regardless of transaction volume or business size.

Source
Melio: Does Melio charge fees for card payments?

Yes, Melio charges a flat 2.9% fee on all card payments. International card payments also include currency conversion charges and international fees beyond the base 2.9%.

Source
Adyen: What's Adyen's Interchange++ pricing option?

Adyen offers an Interchange++ transparent pricing model that passes interchange and scheme fees directly to merchants instead of bundling them into a percentage rate. This allows visibility into exact costs for each payment method.

Source
Melio: Can I use Melio for free?

Yes, Melio's free Go tier allows 5 free ACH payments per month with no subscription cost. Users can pay by card, wire, or check and access basic invoicing and payment link features.

Source
Adyen: Can I process payments in multiple currencies with Adyen?

Yes, Adyen supports 100+ payment methods across multiple currencies. You can link multiple bank accounts in different currencies to avoid currency conversion fees on international transactions.

Source
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