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APIs · head to head

Spring Cloud Gateway vs Svix

Spring Cloud Gateway logo

Spring Cloud Gateway

APIs

API gateway built on Project Reactor for building microservices

From
Free
Rated
-
Full reviewWebsite
Svix logo

Svix

APIs

Outbound webhook sending as a service, with retries, signing and a customer-facing portal

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Spring Cloud Gateway released under the Apache 2.0 license, free and open source with no commercial tier; Svix the Professional tier at 490 US dollars a month includes the same 50,000 messages as the free tier, so the upgrade buys SLA, throughput and retention rather than volume, which is a jarring step for a growing product.
  • They diverge on capability: Spring Cloud Gateway covers Routing, Svix covers Automatic retries.
  • Prices and features above were last checked on 31 August 2026.

Where they differ

Only the attributes on which Spring Cloud Gateway and Svix actually diverge.

Attributes where Spring Cloud Gateway and Svix differ
AttributeSpring Cloud GatewaySvix
Pricing modelopen-sourcePer month by message count
PlatformsJava, Spring BootWeb, Cloud, Docker
Founded1998Unknown

Identical on both: starting price (Free), free tier (Yes), 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 Spring Cloud Gateway

  • Routing
  • Path Rewriting
  • Circuit Breaker
  • Spring Boot
  • Spring Security
  • Spring Cloud
  • Java support
  • Spring Boot support

Only in Svix

  • Automatic retries
  • Payload signing
  • Consumer portal
  • Event types and filtering
  • Delivery logs and replay
  • Rate limiting
  • Static source IPs
  • Language SDKs

What people use each for

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

Spring Cloud Gateway

  • API Developmentnot Svix
  • API Gatewaynot Svix
  • API Testingnot Svix
  • API Documentationnot Svix
  • Microservicesnot Svix

Svix

  • A SaaS company adding webhooks to its API that does not want to build retry, signing and a customer debugging UI from scratchnot Spring Cloud Gateway
  • A payments or fintech product whose customers need signature verification libraries in several languages they did not writenot Spring Cloud Gateway
  • An engineering team drowning in support tickets from customers whose endpoints silently failed and who need self-service delivery logsnot Spring Cloud Gateway
  • A platform with a small number of very slow customer endpoints that must not delay deliveries to everyone elsenot Spring Cloud Gateway

Where each one falls short

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

Spring Cloud Gateway

  • Released under the Apache 2.0 license, free and open source with no commercial tier

Svix

  • The Professional tier at 490 US dollars a month includes the same 50,000 messages as the free tier, so the upgrade buys SLA, throughput and retention rather than volume, which is a jarring step for a growing product.
  • Only attempted messages count toward usage, but a customer with many subscribed endpoints multiplies a single event into many billable messages, and forecasting that fan-out before launch is difficult.
  • The open source server is MIT licensed but trails the hosted product in features, so self-hosting is a fallback position rather than a genuinely equivalent option.
  • Routing outbound customer traffic through a third party puts a vendor in the delivery path for events your customers may treat as contractual, which some security reviews will not accept.
  • Payload retention is 30 days on the free tier and 90 on Professional, so anyone needing longer delivery history for audit must pay for Enterprise or log independently.

Pricing, plan by plan

Spring Cloud Gateway

Free
  • Open SourceFree
    • Core Spring Cloud Gateway
    • Community support

Svix

Free
  • FreeFree
    • 50,000 messages a month included
    • Overage at $0.0001 per message
    • 99.9% uptime SLA
  • Professional$490/month
    • 50,000 messages included, same as free
    • 99.99% uptime SLA
    • 800 messages per second
  • Enterprise$undefined/year
    • Custom volume and rate limits
    • 99.999% uptime SLA
    • Custom retention

Which should you pick?

Choose Spring Cloud Gateway if

  • You need routing.
  • You want to start without paying.
  • You work on Java, Spring Boot.
  • You also want path rewriting.
Spring Cloud Gateway review

Choose Svix if

  • You need automatic retries.
  • You want to start without paying.
  • You work on Web, Cloud, Docker.
  • You also want payload signing.
Svix review

Questions people ask

Is Spring Cloud Gateway or Svix better?
Neither clearly leads. Spring Cloud Gateway starts at Free and Svix at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Spring Cloud Gateway or Svix?
Spring Cloud Gateway starts at Free and Svix at Free.
Does Spring Cloud Gateway or Svix run on more platforms?
Spring Cloud Gateway runs on Java, Spring Boot. Svix runs on Web, Cloud, Docker.
Can I use Spring Cloud Gateway for free?
Both have a free tier, so you can try either at no cost before committing.
What is Spring Cloud Gateway best used for?
Spring Cloud Gateway is most often used for api development, api gateway, api testing, api documentation. Of those, api development and api gateway are not what Svix is typically brought in for.
What can Spring Cloud Gateway do that Svix cannot?
Spring Cloud Gateway covers Routing, Path Rewriting, Circuit Breaker, Spring Boot. Svix covers Automatic retries, Payload signing, Consumer portal, Event types and filtering.

Answered from the vendors’ own pages

Spring Cloud Gateway: Is Spring Cloud Gateway free?

Yes, Spring Cloud Gateway is free and open-source software. It is part of the Spring ecosystem and available through GitHub repositories with open-source dependencies like spring-cloud-starter-gateway-server-webflux and spring-cloud-starter-gateway-server-webmvc.

Source
Svix: How much does Svix cost?

Free up to 50,000 messages a month; Professional starts at 490 US dollars a month with the same included volume but better SLA and throughput.

Spring Cloud Gateway: What enterprise support is available for Spring Cloud Gateway?

Tanzu Spring provides optional enterprise support including Day 0 access to security patches for organizations requiring guaranteed support, but specific pricing is not published on the Spring Cloud Gateway project page.

Source
Svix: Can I self-host it?

Yes, there is an MIT licensed server, but it lags the hosted service in features and has no SLA.

Svix: What counts as a message?

Attempted or transformed deliveries. Retries and messages filtered out because no endpoint subscribed are not charged.

Svix: Does it handle inbound webhooks?

Its focus is outbound sending on behalf of API providers, not receiving webhooks from third parties.

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