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APIs · head to head

Sila vs Zeplo

Sila logo

Sila

APIs

US money movement API for ACH, RTP and FedNow with KYC and ledgering built in

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: Sila no pricing is published, so you cannot compare Sila against Moov or Dwolla without entering two sales processes, and small programmes frequently find the monthly minimum dominates their cost at low volume.; 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: Sila covers ACH origination, Zeplo covers URL prefix interface.
  • Prices and features above were last checked on 31 August 2026.

Where they differ

Only the attributes on which Sila and Zeplo actually diverge.

Attributes where Sila and Zeplo differ
AttributeSilaZeplo
Starting priceOn requestFree
Pricing modelquotePer month by request count
Free tierNoYes
PlatformsWeb, APIWeb, 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 Sila

  • ACH origination
  • Instant rails
  • KYC and KYB
  • Virtual accounts
  • Ledger
  • Wallets and holds
  • Webhooks
  • Bank-side deployment

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.

Sila

  • A small fintech that needs ACH, identity verification and a ledger from one vendor because it has no compliance team to assemble threenot Zeplo
  • A marketplace paying out to sellers that wants same-day ACH and instant push options without becoming a money transmitter itselfnot Zeplo
  • A community bank replacing batch file ACH processing with an API so it can offer real-time payments to business customersnot Zeplo
  • A lending platform that must verify business identity, disburse funds and collect repayments on a schedule from a single integrationnot Zeplo

Zeplo

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

Where each one falls short

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

Sila

  • No pricing is published, so you cannot compare Sila against Moov or Dwolla without entering two sales processes, and small programmes frequently find the monthly minimum dominates their cost at low volume.
  • Sila is materially smaller and less well capitalised than the banking-as-a-service names it competes with, which matters because your customer funds and your payment rails depend on the vendor still trading in three years.
  • The sponsor bank behind your programme determines what you can offer and how fast you can change it, and bank partnerships in this sector have been reshuffled repeatedly since 2023, so a bank change during your contract is a realistic risk rather than a theoretical one.
  • Coverage is United States only, so any product with cross-border ambitions needs a second payments vendor and a second reconciliation process from the outset.
  • Onboarding involves compliance diligence on your own programme, and teams routinely underestimate this, with weeks lost between signing and first live transaction while policies, flow of funds diagrams and BSA arrangements are reviewed.

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

Sila

On request
  • Sila Payments Platform$undefined/month
    • ACH, RTP and FedNow
    • KYC and KYB verification
    • Virtual accounts and ledger

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 Sila if

  • You need ach origination.
  • You work on Web, API.
  • You also want instant rails.
Sila 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 Sila or Zeplo better?
Neither clearly leads. Sila 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, Sila or Zeplo?
Zeplo has a free tier; the other does not. Paid plans start at On request for Sila and Free for Zeplo.
Does Sila or Zeplo run on more platforms?
Sila runs on Web, API. Zeplo runs on Web, Cloud.
Can I use Zeplo for free?
Yes. Zeplo has a free tier, so you can try it without paying. Sila starts at On request.
What is Sila best used for?
Sila is most often used for a small fintech that needs ach, identity verification and a ledger from one vendor because it has no compliance team to assemble three, a marketplace paying out to sellers that wants same-day ach and instant push options without becoming a money transmitter itself, a community bank replacing batch file ach processing with an api so it can offer real-time payments to business customers, a lending platform that must verify business identity, disburse funds and collect repayments on a schedule from a single integration. Of those, a small fintech that needs ach, identity verification and a ledger from one vendor because it has no compliance team to assemble three and a marketplace paying out to sellers that wants same-day ach and instant push options without becoming a money transmitter itself are not what Zeplo is typically brought in for.
What can Sila do that Zeplo cannot?
Sila covers ACH origination, Instant rails, KYC and KYB, Virtual accounts. Zeplo covers URL prefix interface, Retries with backoff, Delayed delivery, Cron scheduling.

Answered from the vendors’ own pages

Sila: Does Sila require a sponsor bank?

Yes. Funds sit at a partner bank, and which bank that is affects your product features and your regulatory exposure, so ask before signing.

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.

Sila: Is Sila still operating?

Yes. It continues to trade and announced an API integration with GBank in 2025 covering ACH, RTP and FedNow.

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.

Sila: What does it cost?

Sila does not publish rates. Expect per-transaction pricing plus a monthly minimum, quoted after a compliance conversation.

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.

Sila: Can I use it outside the United States?

No. Sila covers US rails only.

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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