APIs · head to head
Svix vs Yapily
Svix
APIs
Outbound webhook sending as a service, with retries, signing and a customer-facing portal
- From
- Free
- Rated
- -
Yapily
APIs
Open banking API infrastructure for account data and pay-by-bank payments across Europe
- From
- Free
- Rated
- -
The short version
- 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.; Yapily production pricing itself is not published; only the resulting typical merchant transaction cost is publicly known, so the underlying platform fee still requires a sales conversation.
- They diverge on capability: Svix covers Automatic retries, Yapily covers Unified open banking API.
- Prices and features above were last checked on 1 September 2026.
Where they differ
Only the attributes on which Svix and Yapily actually diverge.
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 Svix
- Automatic retries
- Payload signing
- Consumer portal
- Event types and filtering
- Delivery logs and replay
- Rate limiting
- Static source IPs
- Language SDKs
Only in Yapily
- Unified open banking API
- Account information access
- Payment initiation
- Free sandbox
- Multi-country bank coverage
- Webhooks and reconciliation tooling
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 Yapily
- A payments or fintech product whose customers need signature verification libraries in several languages they did not writenot Yapily
- An engineering team drowning in support tickets from customers whose endpoints silently failed and who need self-service delivery logsnot Yapily
- A platform with a small number of very slow customer endpoints that must not delay deliveries to everyone elsenot Yapily
Yapily
- A merchant wanting a lower-cost payment method alongside card acceptancenot Svix
- A lending or budgeting product needing bank account data for affordability checksnot Svix
- A business wanting one API instead of separate integrations to each bank's own open banking standardnot Svix
- A company prototyping open banking features for free in sandbox before committing budgetnot 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.
Yapily
- Production pricing itself is not published; only the resulting typical merchant transaction cost is publicly known, so the underlying platform fee still requires a sales conversation.
- Consumer adoption of pay-by-bank still lags card payments, so merchants offering it as a checkout option typically see it used as a secondary rather than primary payment method.
- Coverage depends on the banks in each country maintaining reliable open banking APIs, and inconsistent bank-side reliability across markets is a known category-wide weakness, not unique to Yapily but not solved by it either.
- As infrastructure for both account data and payments, a company only needing one of those two capabilities is still evaluating a broader platform than it may need.
- Regulatory dependence on PSD2 and UK open banking rules means the underlying legal framework, not just Yapily's product, could shift and affect what is possible on the platform.
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
Yapily
Free- SandboxFree
- Free testing environment
- UK and European bank connections for development
- Production$undefined/month
- Pay-as-you-go pricing, exact rates not published
- Typical pay-by-bank cost of 0.1 to 0.5% or a flat 5 to 30 pence per transaction
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.
Choose Yapily if
- You need unified open banking api.
- You want to start without paying.
- You work on Web, API.
- You also want account information access.
Questions people ask
- Is Svix or Yapily better?
- Neither clearly leads. Svix starts at Free and Yapily at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
- Which is cheaper, Svix or Yapily?
- Svix starts at Free and Yapily at Free.
- Does Svix or Yapily run on more platforms?
- Svix runs on Web, Cloud, Docker. Yapily runs on Web, API.
- Can I use Svix for free?
- Both have a free tier, so you can try either at no cost before committing.
- 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 Yapily is typically brought in for.
- What can Svix do that Yapily cannot?
- Svix covers Automatic retries, Payload signing, Consumer portal, Event types and filtering. Yapily covers Unified open banking API, Account information access, Payment initiation, Free sandbox.
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.
Yapily: Is there a free way to try it?
Yes, sandbox access is free for development and testing.
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.
Yapily: How much cheaper is pay-by-bank than card payments?
Typically 0.1 to 0.5% of transaction value, or a flat 5 to 30 pence, against 1.5 to 3.5% for card scheme fees.
Svix: What counts as a message?
Attempted or transformed deliveries. Retries and messages filtered out because no endpoint subscribed are not charged.
Yapily: Is production pricing published?
No, production access is pay-as-you-go but exact rates require a sales conversation.
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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