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Vatlayer Alternative — TaxID
Vatlayer is one of the longest-running EU VAT validation APIs — it's referenced in countless tutorials from 2015–2020 and shows up in many Stack Overflow answers. If you're on Vatlayer today, you're probably there because it was the easiest option when you set it up, not because it's still the best choice. The two most common reasons developers leave: HTTPS requires a paid plan (the free tier only supports HTTP), and response times above 500ms during peak hours cause checkout timeouts.
Disclosure: TaxID is our product. Competitor data is sourced from public pricing pages and documentation, accurate as of May 2026. We link to source pages where possible. Pricing may have changed — always verify on the vendor's site.
Feature comparison
| Feature | TaxID | Vatlayer |
|---|---|---|
| EU countries supported | — | 27 |
| VIES-backed validation | ||
| Response caching | Redis 24h | None |
| Free tier requests/mo | 100 | 100 |
| Max paid requests/mo | 1,000,000 | 10,000 |
| Batch validation | — | — |
| Webhook notifications | — | — |
| SLA guarantee | — | — |
| Company name in response | ||
| Cached response time | 10ms | 500ms |
| Starting price | $0/mo (Free) | $9.99/mo ↗ |
Why developers switch from Vatlayer
Vatlayer limitations
- HTTPS only available on paid plans
- No batch validation
- Response times 500ms+ during peak hours
- Older API design — query string params, no SDK libraries
- No webhook support
TaxID advantages
- HTTPS on all plans — including the free tier
- Sub-10ms cached responses vs Vatlayer's 500ms+ peak latency
- Stripe-style error codes vs Vatlayer's numeric error objects
- Modern REST path parameters vs Vatlayer's query string design
- Actively maintained with documented VIES downtime handling
When to choose Vatlayer instead
Vatlayer has a free tier of 100 requests/month that has been stable since 2014 — if you want the lowest-friction test with no account setup, it's usable for prototypes on HTTP. For extremely low-volume internal tools under 50 requests/month that tolerate HTTP, it's not worth switching. But for any production checkout that handles real payments, the HTTPS paywall, latency, and lack of modern error handling make Vatlayer a reliability risk.
Switching from Vatlayer to TaxID
The core change is the endpoint URL and authentication header. Both APIs return company_name, valid, and company address — no downstream code changes needed for the core validation logic.
GET http://apilayer.net/api/validate?access_key=KEY&vat_number=DE123456789
GET https://taxid.dev/api/v1/validate/DE/DE123456789 (Header: Authorization: Bearer)
Vatlayer strips the country prefix from vat_number in the response; TaxID returns the full VAT number including prefix. Vatlayer uses query string params; TaxID uses RESTful path params.
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Frequently asked questions
Is Vatlayer still maintained in 2026?
Vatlayer is part of the Apilayer product suite and remains operational, but it has seen limited feature development since 2018. The API design predates modern REST conventions — no path parameters, HTTPS behind a paywall, no SDK libraries. If you are starting a new integration, a more modern alternative avoids inheriting its design constraints.
Does Vatlayer support HTTPS on the free tier?
No. Vatlayer's free tier only allows HTTP requests. HTTPS access requires a paid subscription starting at $9.99/month. TaxID enforces HTTPS on all plans including the free tier — plain HTTP requests are redirected.
How do I switch from Vatlayer to TaxID?
Change the endpoint from apilayer.net/api/validate?access_key=KEY&vat_number=DE123456789 to taxid.dev/api/v1/validate/DE/DE123456789 with Authorization: Bearer YOUR_KEY. Move the country code from the vat_number string into the URL path. Update field mapping: Vatlayer's company_name maps directly to TaxID's company_name; Vatlayer's valid maps to TaxID's valid.
Vatlayer shows 500ms response times — is that typical?
Vatlayer does not cache VIES responses, so every request hits the VIES SOAP endpoint. VIES response times vary by country and load, ranging from 200ms to 800ms+. TaxID caches validated results for 24 hours in Upstash Redis — cached requests return in under 10ms regardless of VIES load.