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APIs · head to head

i2c vs Zeplo

i2c logo

i2c

APIs

Configurable card issuing and banking processing platform for banks and programme managers

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: i2c developer experience lags API-native competitors, and teams expecting Stripe-grade documentation and sandboxes find an enterprise integration project instead.; 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: i2c covers Configurable product engine, Zeplo covers URL prefix interface.
  • Prices and features above were last checked on 1 September 2026.

Where they differ

Only the attributes on which i2c and Zeplo actually diverge.

Attributes where i2c and Zeplo differ
Attributei2cZeplo
Starting priceOn requestFree
Pricing modelquotePer month by request count
Free tierNoYes
PlatformsWeb, REST 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 i2c

  • Configurable product engine
  • Credit and instalments
  • Multi-currency
  • Fraud and risk tooling
  • Digital banking front ends
  • Global scheme connectivity

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.

i2c

  • A bank wanting credit, debit and prepaid portfolios on one processor rather than threenot Zeplo
  • An issuer in a market where local scheme and currency support rules out US-centric processorsnot Zeplo
  • A programme manager launching instalment products without building a lending corenot Zeplo
  • A credit union replacing an ageing processor without writing custom code for product rulesnot Zeplo

Zeplo

  • A Vercel or Cloudflare Workers application that needs retried background jobs without deploying a separate always-on workernot i2c
  • A team that wants a webhook receiver protected by a concurrency limit so a burst does not overwhelm a downstream APInot i2c
  • A small product needing cron jobs against HTTP endpoints without adding a scheduler to its infrastructurenot i2c
  • A developer adding idempotent retries to an unreliable third-party API call with a one-line URL changenot i2c

Where each one falls short

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

i2c

  • Developer experience lags API-native competitors, and teams expecting Stripe-grade documentation and sandboxes find an enterprise integration project instead.
  • Implementations lean on i2c or partner professional services, so timelines and costs are set by a services queue rather than by your own engineering speed.
  • Pricing is per active card and per transaction with monthly minimums, none of it published, so comparing bids requires modelling your own portfolio carefully.
  • Configuration flexibility means product behaviour lives in platform settings rather than in your repository, which complicates version control, testing and audit trails.
  • As a private company with a broad global footprint, regional support depth is uneven, and a programme in a smaller market may get thinner service than a flagship account.

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

i2c

On request
  • i2c processing platform$undefined/year
    • Per-active-card and per-transaction processing fees
    • Minimum monthly commitments by programme
    • Implementation and configuration professional services

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 i2c if

  • You need configurable product engine.
  • You work on Web, REST API.
  • You also want credit and instalments.
i2c 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 i2c or Zeplo better?
Neither clearly leads. i2c 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, i2c or Zeplo?
Zeplo has a free tier; the other does not. Paid plans start at On request for i2c and Free for Zeplo.
Does i2c or Zeplo run on more platforms?
i2c runs on Web, REST 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. i2c starts at On request.
What is i2c best used for?
i2c is most often used for a bank wanting credit, debit and prepaid portfolios on one processor rather than three, an issuer in a market where local scheme and currency support rules out us-centric processors, a programme manager launching instalment products without building a lending core, a credit union replacing an ageing processor without writing custom code for product rules. Of those, a bank wanting credit, debit and prepaid portfolios on one processor rather than three and an issuer in a market where local scheme and currency support rules out us-centric processors are not what Zeplo is typically brought in for.
What can i2c do that Zeplo cannot?
i2c covers Configurable product engine, Credit and instalments, Multi-currency, Fraud and risk tooling. Zeplo covers URL prefix interface, Retries with backoff, Delayed delivery, Cron scheduling.

Answered from the vendors’ own pages

i2c: Does i2c issue the cards itself?

No. It processes; issuance sits with a bank or licensed issuer, and in most markets you need that relationship separately.

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.

i2c: Can it handle revolving credit?

Yes. Credit, instalments and buy-now-pay-later sit on the same platform as debit and prepaid, which is unusual among modern processors.

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.

i2c: Is it self-serve?

No. Expect a configuration-led implementation with professional services rather than signing up and calling an API.

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.

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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