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APIs · head to head

Dwolla vs Zeplo

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
-
Full reviewWebsite
Zeplo logo

Zeplo

APIs

Message queue as a URL prefix, adding retries and delays to any HTTP request

From
Free
Rated
-
Full reviewWebsite

The short version

  • Only Zeplo has a free tier, so it costs nothing to try first.
  • 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.; Zeplo zeplo sits directly in the execution path of your background work, so an outage at a very small vendor means your jobs do not run at all, and there is no published SLA below Enterprise.
  • They diverge on capability: Dwolla covers ACH transfers, Zeplo covers URL prefix interface.
  • Prices and features above were last checked on 31 August 2026.

Where they differ

Only the attributes on which Dwolla and Zeplo actually diverge.

Attributes where Dwolla and Zeplo differ
AttributeDwollaZeplo
Starting priceOn requestFree
Pricing modelquotePer month by request count
Free tierNoYes
PlatformsWebWeb, Cloud

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

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 Zeplo

  • URL prefix interface
  • Retries with backoff
  • Delayed delivery
  • Cron scheduling
  • Concurrency limits
  • Deduplication keys
  • Request logs
  • Team workspaces

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 Zeplo
  • A B2B marketplace collecting large invoice payments by bank transfer rather than paying interchange on cardsnot Zeplo
  • A payroll or gig platform that needs to pay workers instantly and wants the rail chosen automatically by receiving bank capabilitynot Zeplo
  • A property management system collecting rent by ACH with verified bank accounts and reliable return handlingnot Zeplo

Zeplo

  • A Vercel or Cloudflare Workers application that needs retried background jobs without deploying a separate always-on workernot Dwolla
  • A team that wants a webhook receiver protected by a concurrency limit so a burst does not overwhelm a downstream APInot Dwolla
  • A small product needing cron jobs against HTTP endpoints without adding a scheduler to its infrastructurenot Dwolla
  • A developer adding idempotent retries to an unreliable third-party API call with a one-line URL changenot 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.

Zeplo

  • Zeplo sits directly in the execution path of your background work, so an outage at a very small vendor means your jobs do not run at all, and there is no published SLA below Enterprise.
  • The free Developer tier includes only 500 requests a month and one team member, so it is a demonstration allowance rather than a usable free plan for anything real.
  • Overage on the Developer tier is 20 US dollars per 100,000 requests, two hundred times the marginal rate on the Company tier, so exceeding the free allowance without upgrading is expensive.
  • Team members cost 15 US dollars each beyond the plan allowance, which is an odd charge on an infrastructure product billed by request volume.
  • Log retention is 30 days on both published tiers, so anything requiring longer audit trails on job execution has to be logged separately.

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

Zeplo

Free
  • DeveloperFree
    • 500 requests a month included
    • $20 per additional 100,000 requests
    • 1 team member
  • Company$39/month
    • 1,000,000 requests a month included
    • $10 per additional million requests
    • Up to 3 team members
  • Enterprise$undefined/month
    • Volume discounts
    • Custom team size
    • Support with SLA

Which should you pick?

Choose Dwolla if

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

Choose Zeplo if

  • You need url prefix interface.
  • You want to start without paying.
  • You work on Web, Cloud.
  • You also want retries with backoff.
Zeplo review

Questions people ask

Is Dwolla or Zeplo better?
Neither clearly leads. Dwolla starts at On request and Zeplo at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Dwolla or Zeplo?
Zeplo has a free tier; the other does not. Paid plans start at On request for Dwolla and Free for Zeplo.
Does Dwolla or Zeplo run on more platforms?
Dwolla runs on Web. Zeplo runs on Web, Cloud.
Can I use Zeplo for free?
Yes. Zeplo has a free tier, so you can try it without paying. Dwolla starts at On request.
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 Zeplo is typically brought in for.
What can Dwolla do that Zeplo cannot?
Dwolla covers ACH transfers, Instant payments, Rail orchestration, Bank account verification. Zeplo covers URL prefix interface, Retries with backoff, Delayed delivery, Cron scheduling.

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.

Zeplo: How does Zeplo work?

You prefix your endpoint URL with zeplo.to and add query parameters for retries, delay, cron or concurrency. No SDK or broker is needed.

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.

Zeplo: What does it cost?

Free for 500 requests a month; 39 US dollars a month for a million requests, then 10 dollars per additional million.

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.

Zeplo: Is it suitable for critical jobs?

It is a small vendor in your execution path with no published SLA below Enterprise, so weigh that against the convenience.

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.

Zeplo: Does it work with serverless platforms?

Yes, that is its main use, covering Vercel, Cloudflare Workers, Netlify and similar environments that lack long-running workers.

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