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APIs · head to head

Svix vs Swan

Svix logo

Svix

APIs

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

From
Free
Rated
-
Full reviewWebsite
Swan logo

Swan

APIs

European banking-as-a-service platform for embedding accounts, cards and payments into other products

From
On request
Rated
-
Full reviewWebsite

The short version

  • Only Svix has a free tier, so it costs nothing to try first.
  • Each has a real cost: 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.; Swan its regulatory base and strongest local account coverage are French and European, so companies needing US, UK-post-Brexit-specific, or broader global banking-as-a-service need an additional provider.
  • They diverge on capability: Svix covers Automatic retries, Swan covers Embedded business accounts.
  • Prices and features above were last checked on 1 September 2026.

Where they differ

Only the attributes on which Svix and Swan actually diverge.

Attributes where Svix and Swan differ
AttributeSvixSwan
Starting priceFreeOn request
Pricing modelPer month by message countquote
Free tierYesNo
PlatformsWeb, Cloud, DockerWeb, API

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 Svix

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

Only in Swan

  • Embedded business accounts
  • Card issuing
  • SEPA payments
  • Local account localisation
  • ACPR regulation
  • Usage-based pricing

What people use each for

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

Svix

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

Swan

  • A vertical SaaS platform wanting to embed business bank accounts under its own brandnot Svix
  • A marketplace wanting to issue cards to sellers or partners without becoming a licensed banknot Svix
  • A company wanting SEPA payment initiation embedded directly into its own productnot Svix
  • A European fintech wanting to avoid a six-figure setup fee and long lock-in typical of legacy banking-as-a-service dealsnot Svix

Where each one falls short

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

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.

Swan

  • Its regulatory base and strongest local account coverage are French and European, so companies needing US, UK-post-Brexit-specific, or broader global banking-as-a-service need an additional provider.
  • Pricing is described only philosophically (usage-based, no big setup fee) rather than published as an actual rate card, so a company still needs a sales conversation to get real numbers.
  • Embedding banking features into a product is a substantial compliance and design undertaking regardless of the vendor, and Swan handling the licence does not remove a platform's own KYC, AML and customer support obligations for the accounts it offers.
  • As a comparatively young, single-country-licensed e-money institution, its balance sheet and regulatory standing carry more concentration risk than a banking-as-a-service offering backed by an established, multi-jurisdiction bank.
  • Local account depth is explicitly limited to France, Germany and Spain, so a platform needing native local accounts in other European countries may find coverage thinner than expected.

Pricing, plan by plan

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

Swan

On request
  • Swan$undefined/month
    • Usage-based pricing, no published rate card
    • No long-term contract or large setup fee required
    • Custom quote based on current, not forecast, usage

Which should you pick?

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

Choose Swan if

  • You need embedded business accounts.
  • You work on Web, API.
  • You also want card issuing.
Swan review

Questions people ask

Is Svix or Swan better?
Neither clearly leads. Svix starts at Free and Swan at On request, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Svix or Swan?
Svix has a free tier; the other does not. Paid plans start at Free for Svix and On request for Swan.
Does Svix or Swan run on more platforms?
Svix runs on Web, Cloud, Docker. Swan runs on Web, API.
Can I use Svix for free?
Yes. Svix has a free tier, so you can try it without paying. Swan starts at On request.
What is Svix best used for?
Svix is most often used for a saas company adding webhooks to its api that does not want to build retry, signing and a customer debugging ui from scratch, a payments or fintech product whose customers need signature verification libraries in several languages they did not write, an engineering team drowning in support tickets from customers whose endpoints silently failed and who need self-service delivery logs, a platform with a small number of very slow customer endpoints that must not delay deliveries to everyone else. Of those, a saas company adding webhooks to its api that does not want to build retry, signing and a customer debugging ui from scratch and a payments or fintech product whose customers need signature verification libraries in several languages they did not write are not what Swan is typically brought in for.
What can Svix do that Swan cannot?
Svix covers Automatic retries, Payload signing, Consumer portal, Event types and filtering. Swan covers Embedded business accounts, Card issuing, SEPA payments, Local account localisation.

Answered from the vendors’ own pages

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.

Swan: Which countries does Swan offer local accounts in?

France, Germany and Spain specifically, alongside broader SEPA payment coverage.

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.

Swan: Is pricing published?

No, Swan describes a usage-based, no-large-setup-fee philosophy but requires a quote for actual numbers.

Svix: What counts as a message?

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

Swan: Who regulates Swan?

France's ACPR (Autorite de Controle Prudentiel et de Resolution), as a licensed e-money institution.

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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