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APIs · head to head

Dwolla vs Medius

Dwolla logo

Dwolla

APIs

Account to account payment API for ACH, RTP and FedNow with pay by bank and instant payment routing

From
On request
Rated
-
Medius logo

Medius

Accounting

Accounts payable automation and supplier payments for mid-market finance teams, Marlin Equity owned

From
On request
Rated
-

The short version

  • Each has a real cost: Dwolla nothing is published: there are no per-transaction rates, no platform fee and no minimum on the pricing page, so every buyer negotiates blind and small platforms have no way to sanity check what they are quoted.; Medius the sourcing, contract and procurement modules are considerably less developed than the AP core, so buying Medius as a full source-to-pay suite means accepting weak upstream tooling.
  • They diverge on capability: Dwolla covers ACH transfers, Medius covers Invoice capture and coding.
  • Prices and features above were last checked on 31 August 2026.

Where they differ

Only the attributes on which Dwolla and Medius actually diverge.

Attributes where Dwolla and Medius differ
AttributeDwollaMedius
PlatformsWebWeb, iOS, Android
CategoryAPIsAccounting

Identical on both: starting price (On request), pricing model (quote), free tier (No), user rating (Not yet rated).

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 Dwolla

  • ACH transfers
  • Instant payments
  • Rail orchestration
  • Bank account verification
  • Dwolla Balance
  • Webhooks and reconciliation
  • Pay by bank
  • White label flows

Only in Medius

  • Invoice capture and coding
  • Matching and exception handling
  • Fraud and anomaly detection
  • Supplier payments
  • Approval workflow
  • ERP integration

What people use each for

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

Dwolla

  • An insurance or lending platform disbursing funds to customer bank accounts where card payout fees would destroy the marginnot Medius
  • A B2B marketplace collecting large invoice payments by bank transfer rather than paying interchange on cardsnot Medius
  • A payroll or gig platform that needs to pay workers instantly and wants the rail chosen automatically by receiving bank capabilitynot Medius
  • A property management system collecting rent by ACH with verified bank accounts and reliable return handlingnot Medius

Medius

  • A mid-market finance team where most spend arrives as an invoice with no purchase order to match againstnot Dwolla
  • A group with several legal entities on different ERPs that wants one AP process across all of themnot Dwolla
  • Reducing invoice fraud exposure with automated detection of supplier bank detail changesnot Dwolla
  • Replacing a scanning bureau and a shared AP inbox with automated capture and exception-based reviewnot Dwolla

Where each one falls short

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

Dwolla

  • Nothing is published: there are no per-transaction rates, no platform fee and no minimum on the pricing page, so every buyer negotiates blind and small platforms have no way to sanity check what they are quoted.
  • It is payments only, with no deposit accounts, card issuing or general ledger, so companies embedding financial products need at least one further vendor and the reconciliation between them.
  • Instant payment reach depends on the receiving institution supporting RTP or FedNow, so a meaningful share of payouts still fall back to ACH timing regardless of what the API can do.
  • ACH returns and administrative returns remain your operational problem, and platforms new to bank rails routinely underestimate the customer support load that failed debits generate.
  • Access to instant rails runs through Dwolla banking partner, which reintroduces a bank dependency into a product that otherwise avoids sponsor bank programme risk.

Medius

  • The sourcing, contract and procurement modules are considerably less developed than the AP core, so buying Medius as a full source-to-pay suite means accepting weak upstream tooling.
  • Pricing is quote-only and driven by invoice volume, so a business with many low-value invoices pays disproportionately relative to the spend being controlled.
  • Payments are billed on transaction volume separately from the AP subscription, which is easy to omit from a cost comparison against a licence-only AP tool.
  • Private equity ownership since 2017 has produced an acquisition-driven product line, so payments and adjacent capability come from bought-in technology rather than the original platform.
  • ERP integration depth varies sharply by system, and organisations on less common or heavily customised ERPs face integration work that lengthens the implementation.

Pricing, plan by plan

Dwolla

On request
  • Dwolla Payment API$undefined/year
    • Custom pricing built around transaction volume, rails used and integration needs
    • No published per-transaction rates or platform fees
    • Volume based plans for platforms and enterprises

Medius

On request
  • Medius AP Automation$undefined/year
    • Two packaged AP automation tiers
    • Priced by invoice volume and entity count
    • Sourcing, contracts and procurement modules sold separately

Which should you pick?

Choose Dwolla if

  • You need ach transfers.
  • You also want instant payments.

Choose Medius if

  • You need invoice capture and coding.
  • You work on Web, iOS, Android.
  • You also want matching and exception handling.

Questions people ask

Is Dwolla or Medius better?
Neither clearly leads. Dwolla starts at On request and Medius at On request, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Dwolla or Medius?
Dwolla starts at On request and Medius at On request.
Does Dwolla or Medius run on more platforms?
Dwolla runs on Web. Medius runs on Web, iOS, Android.
What is Dwolla best used for?
Dwolla is most often used for an insurance or lending platform disbursing funds to customer bank accounts where card payout fees would destroy the margin, a b2b marketplace collecting large invoice payments by bank transfer rather than paying interchange on cards, a payroll or gig platform that needs to pay workers instantly and wants the rail chosen automatically by receiving bank capability, a property management system collecting rent by ach with verified bank accounts and reliable return handling. Of those, an insurance or lending platform disbursing funds to customer bank accounts where card payout fees would destroy the margin and a b2b marketplace collecting large invoice payments by bank transfer rather than paying interchange on cards are not what Medius is typically brought in for.
What can Dwolla do that Medius cannot?
Dwolla covers ACH transfers, Instant payments, Rail orchestration, Bank account verification. Medius covers Invoice capture and coding, Matching and exception handling, Fraud and anomaly detection, Supplier payments.

Answered from the vendors’ own pages

Dwolla: What does Dwolla cost?

It does not publish anything. Pricing is custom and built around volume, rails and integration. Establish the monthly platform fee and any minimum before negotiating per-transaction rates.

Medius: Is Medius a procurement suite or an AP tool?

Primarily an AP automation platform with procurement modules attached. If sourcing is your main requirement, look elsewhere.

Dwolla: Does it support instant payments?

Yes, through both the RTP network and the FedNow Service, with automatic selection based on the receiving bank. Where neither is supported, payments fall back to ACH.

Medius: Who owns Medius?

Marlin Equity Partners, which acquired it in 2017 and has funded several bolt-on acquisitions since.

Dwolla: Is Dwolla a bank?

No. It is a payments platform that works through banking partners. It does not offer deposit accounts or card issuing.

Medius: How is it priced?

By quote, driven by invoice volume and entity count, with payments billed separately on transaction volume.

Dwolla: How does bank account verification work?

Either instantly through open banking connections or by micro-deposit verification, which takes a day or two but works where instant linking fails.

Medius: Does it replace our ERP?

No. It sits alongside the ERP and posts approved invoices into it.

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