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APIs · head to head

Kong Gateway vs Paymentology

Kong Gateway logo

Kong Gateway

APIs

Open-source and cloud API gateway for managing microservices traffic

From
Free
Rated
-
Full reviewWebsite
Paymentology logo

Paymentology

APIs

Cloud issuer processing across emerging and developed markets

From
On request
Rated
-
Full reviewWebsite

The short version

  • Only Kong Gateway has a free tier, so it costs nothing to try first.
  • Each has a real cost: Kong Gateway the free open-source gateway lacks the analytics, portals, and support of the paid Konnect tiers.; Paymentology paymentology processes but does not hold issuing licences, so every market still needs your own licence or a sponsor bank, which is usually the slowest and most expensive part of a launch.
  • They diverge on capability: Kong Gateway covers API request routing, Paymentology covers Global issuer processing.
  • Prices and features above were last checked on 1 September 2026.

Where they differ

Only the attributes on which Kong Gateway and Paymentology actually diverge.

Attributes where Kong Gateway and Paymentology differ
AttributeKong GatewayPaymentology
Starting priceFreeOn request
Pricing modelfreemiumquote
Free tierYesNo
Platformsweb, linux, apiWeb, API
Founded2017Unknown

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 Kong Gateway

  • API request routing
  • Plugin ecosystem
  • Developer portals
  • AI Gateway
  • Analytics and observability
  • SSO and audit logs

Only in Paymentology

  • Global issuer processing
  • Real time transaction data
  • Virtual and physical issuance
  • Tokenisation
  • Multi currency and multi product
  • Card controls
  • Programme management tools
  • Fraud and risk integration

What people use each for

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

Kong Gateway

  • Routing and securing traffic across microservicesnot Paymentology
  • Publishing internal or external developer portalsnot Paymentology
  • Managing rate limits and authentication at the API edgenot Paymentology
  • Gateway-level routing to multiple LLM providersnot Paymentology

Paymentology

  • A neobank launching cards in an African or South East Asian market where hosted United States processors have no certificationnot Kong Gateway
  • A mobile money operator adding a card product on top of an existing wallet basenot Kong Gateway
  • A bank consolidating several regional card processors onto one platformnot Kong Gateway
  • A fintech expanding an existing card programme into the Gulf without re platformingnot Kong Gateway

Where each one falls short

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

Kong Gateway

  • The free open-source gateway lacks the analytics, portals, and support of the paid Konnect tiers.
  • Plus tier caps API requests at 1M/month before incurring per-million overage charges.
  • Enterprise pricing is custom and not published, making budgeting harder without sales contact.
  • Configuration and plugin management can require significant operational expertise to run at scale.

Paymentology

  • Paymentology processes but does not hold issuing licences, so every market still needs your own licence or a sponsor bank, which is usually the slowest and most expensive part of a launch.
  • Fees include per active card charges and monthly minimums, so a portfolio with many dormant cards pays for plastic that generates no interchange.
  • Certification, settlement and scheme relationships differ by country, so a multi market rollout is a series of separate projects rather than one integration.
  • As a processor it sits between your product and the networks, meaning outages and scheme mandate changes reach your cardholders through a party you do not control.
  • Documentation and developer self service are weaker than the United States hosted processors, so early integration depends heavily on Paymentology implementation staff.

Pricing, plan by plan

Kong Gateway

Free
  • Free TrialFree
    • 30-day enterprise functionality trial
    • Unlimited gateways
    • 30-day analytics retention
  • Plus$undefined/month
    • Up to 5 serverless, 2 hybrid, 2 dedicated cloud gateways
    • 1M API requests/month included
    • Up to 2 developer portals
  • Enterprise$undefined/month
    • Unlimited hybrid and dedicated cloud gateways
    • Unlimited developer portals
    • SSO and audit logs

Paymentology

On request
  • Paymentology processing$undefined/year
    • Quoted per programme and per market
    • Typically per transaction and per active card fees plus a monthly minimum
    • Issuing licence or sponsor bank required in each market and not provided

Which should you pick?

Choose Kong Gateway if

  • You need api request routing.
  • You want to start without paying.
  • You work on web, linux, api.
  • You also want plugin ecosystem.
Kong Gateway review

Choose Paymentology if

  • You need global issuer processing.
  • You work on Web, API.
  • You also want real time transaction data.
Paymentology review

Questions people ask

Is Kong Gateway or Paymentology better?
Neither clearly leads. Kong Gateway starts at Free and Paymentology at On request, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Kong Gateway or Paymentology?
Kong Gateway has a free tier; the other does not. Paid plans start at Free for Kong Gateway and On request for Paymentology.
Does Kong Gateway or Paymentology run on more platforms?
Kong Gateway runs on web, linux, api. Paymentology runs on Web, API.
Can I use Kong Gateway for free?
Yes. Kong Gateway has a free tier, so you can try it without paying. Paymentology starts at On request.
What is Kong Gateway best used for?
Kong Gateway is most often used for routing and securing traffic across microservices, publishing internal or external developer portals, managing rate limits and authentication at the api edge, gateway-level routing to multiple llm providers. Of those, routing and securing traffic across microservices and publishing internal or external developer portals are not what Paymentology is typically brought in for.
What can Kong Gateway do that Paymentology cannot?
Kong Gateway covers API request routing, Plugin ecosystem, Developer portals, AI Gateway. Paymentology covers Global issuer processing, Real time transaction data, Virtual and physical issuance, Tokenisation.

Answered from the vendors’ own pages

Kong Gateway: Is Kong Gateway free?

Kong's core gateway is open source and free to self-host. Kong Konnect, the managed cloud platform, offers a 30-day free trial before moving to paid Plus or custom Enterprise pricing.

Source
Paymentology: Does Paymentology provide the BIN and licence?

No. You need your own issuing licence or a sponsor bank in each market; Paymentology processes the transactions.

Kong Gateway: How is usage metered on the Plus plan?

The Plus plan includes 1M API requests per month, with additional usage billed at $200 per extra 1 million requests up to a 10M/month cap, plus per-gateway and per-LLM-model charges.

Source
Paymentology: What is the actual pricing model?

Per transaction and per active card, with a monthly minimum. Dormant cards still cost, so model your activation rate.

Kong Gateway: What support is included?

Plus includes email support with a 2-business-day SLA, while Enterprise adds dedicated success managers and professional services.

Source
Paymentology: Why choose it over a United States issuer processor?

Network certification and live programmes in markets where those processors do not operate, which decides feasibility rather than preference.

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