Softwr

Accounting · head to head

Mercury vs Rutter

Mercury logo

Mercury

Accounting

Banking for startups

From
Free
Rated
-
Full reviewWebsite
Rutter logo

Rutter

APIs

One API across accounting, commerce, payments and advertising platforms

From
On request
Rated
-
Full reviewWebsite

The short version

  • Only Mercury has a free tier, so it costs nothing to try first.
  • Each has a real cost: Mercury treasury access requires a $250,000 balance held with Mercury; Rutter a unified schema exposes only the fields common across platforms, so the platform-specific detail underwriting models want usually requires passthrough calls and per-platform code, which is the work the unified API was bought to avoid.
  • They diverge on capability: Mercury covers Business checking, Rutter covers Accounting and ERP.
  • Prices and features above were last checked on 31 August 2026.

Where they differ

Only the attributes on which Mercury and Rutter actually diverge.

Attributes where Mercury and Rutter differ
AttributeMercuryRutter
Starting priceFreeOn request
Pricing modelfreemiumquote
Free tierYesNo
PlatformsWeb, Ios, AndroidWeb, API
CategoryAccountingAPIs
Founded2019Unknown

Identical on both: 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 Mercury

  • Business checking
  • Savings accounts
  • Virtual cards
  • Team management
  • API access
  • QuickBooks
  • Xero
  • Stripe

Only in Rutter

  • Accounting and ERP
  • Commerce data
  • Payments data
  • Advertising data
  • Write operations
  • Passthrough requests
  • Observability tooling
  • Sandbox

What people use each for

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

Mercury

  • Business banking and payments for startupsnot Rutter
  • Managing treasury, invoicing and corporate cards from one accountnot Rutter

Rutter

  • A revenue-based lender that must pull a merchant's sales, payouts and general ledger before pricing a facilitynot Mercury
  • A spend management product that needs to push bills and journal entries back into whichever accounting system its customer runsnot Mercury
  • A B2B payments platform reconciling invoices across customers using four different ERPsnot Mercury
  • An insurance or benefits provider that needs verified business financials without asking the customer to upload PDFsnot Mercury

Where each one falls short

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

Mercury

  • Treasury access requires a $250,000 balance held with Mercury
  • Non USD international wires carry a 1% conversion fee
  • Choosing OUR wire coding, which covers intermediary bank charges, costs $15 per wire
  • ACH invoicing is $1 per transaction on Mercury Plus and only free on the $299 a month Pro plan
  • Advanced and recurring invoicing require Mercury Plus at $29.90 a month

Rutter

  • A unified schema exposes only the fields common across platforms, so the platform-specific detail underwriting models want usually requires passthrough calls and per-platform code, which is the work the unified API was bought to avoid.
  • Write operations into accounting systems are where these products break, because each system validates differently, and a rejected journal entry surfaces as a support ticket against you rather than against the ERP.
  • No pricing is published beyond a sandbox trial, so cost cannot be compared against alternatives without a sales process, and pricing tends to scale with connected accounts.
  • QuickBooks Desktop and other on-premises systems require a local connector or hosted agent, which introduces installation steps your customers must complete and support burden you inherit.
  • Sync freshness varies by platform and by customer authorisation state, so a product promising near real-time figures will find some connections update far less often than the marketing implies.

Pricing, plan by plan

Mercury

Free
  • Mercury (Free)Free
    • ACH payments
    • Domestic wires
    • Real-time payments
  • Mercury Plus$29.9/month
    • Invoice ACH debits
    • Recurring invoices
    • Invoicing API (500/month)
  • Mercury Pro$299/month
    • All Plus features
    • Relationship manager
    • Free ACH invoice debits

Rutter

On request
  • Starter$undefined/month
    • Thirty day sandbox trial
    • Test integrations with QuickBooks, Xero, FreshBooks and Zoho Books
    • Documentation and workflow guides
  • Full Access$undefined/year
    • Production access across all platforms
    • Includes NetSuite, QuickBooks Desktop and Sage Intacct
    • Write operations and passthrough

Which should you pick?

Choose Mercury if

  • You need business checking.
  • You want to start without paying.
  • You work on Web, Ios, Android.
  • You also want savings accounts.
Mercury review

Choose Rutter if

  • You need accounting and erp.
  • You work on Web, API.
  • You also want commerce data.
Rutter review

Questions people ask

Is Mercury or Rutter better?
Neither clearly leads. Mercury starts at Free and Rutter at On request, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Mercury or Rutter?
Mercury has a free tier; the other does not. Paid plans start at Free for Mercury and On request for Rutter.
Does Mercury or Rutter run on more platforms?
Mercury runs on Web, Ios, Android. Rutter runs on Web, API.
Can I use Mercury for free?
Yes. Mercury has a free tier, so you can try it without paying. Rutter starts at On request.
What is Mercury best used for?
Mercury is most often used for business banking and payments for startups, managing treasury, invoicing and corporate cards from one account. Of those, business banking and payments for startups and managing treasury, invoicing and corporate cards from one account are not what Rutter is typically brought in for.
What can Mercury do that Rutter cannot?
Mercury covers Business checking, Savings accounts, Virtual cards, Team management. Rutter covers Accounting and ERP, Commerce data, Payments data, Advertising data.

Answered from the vendors’ own pages

Mercury: Is Mercury business banking free?

Mercury's base banking tier is free and includes ACH payments, domestic wire transfers, real-time payments, Bill Pay, and QuickBooks/Xero automations at no monthly cost.

Source
Rutter: Does Rutter support QuickBooks Desktop?

Yes, which distinguishes it from unified APIs that only cover cloud accounting, and matters because many small businesses still run it.

Mercury: What does Mercury Plus add beyond the free tier?

Mercury Plus costs $29.90 per month and adds invoice ACH debits, recurring invoice capabilities, invoicing API with 500 calls per month, unlimited 1099 filings, and access to partner benefits.

Source
Rutter: Can Rutter write data back?

Yes. Invoices, bills and journal entries can be pushed into supported accounting systems, not only read.

Mercury: Does Mercury charge monthly account fees?

No, Mercury states there are no minimum account balance requirements, overdraft fees, required monthly fees, or account opening fees. The free tier includes essential business banking, with paid tiers available for additional features.

Source
Rutter: Is there a free tier?

There is a thirty day sandbox trial with test data. Production access requires a paid plan with quoted pricing.

Rutter: What if the unified model lacks a field I need?

Rutter supports passthrough requests to the underlying platform API, though using them reintroduces platform-specific code.

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