Czech National Bank
Currency Exchange
A collection of exchange rates
No keyCORSHTTPS
TaxID
EU VAT number validation with company name and address lookup across all 27 member states
Verified 4 days ago: 100% uptime
API key
Required
HTTPS
Supported
Browser calls
Yes, CORS enabled
Status
Live · 100/100
What our checks found
- Health score
- 100/100
- Reliability
- 100%
- Average latency
- 1748ms
Last checked 2026-09-18. Measured independently, not self-reported by the provider.
How to call it
A starting template for TaxID. Replace ENDPOINT with the path from the official documentation, which we link above rather than guess at.
# Requires an API key. Check the docs for whether it goes in a header or a query parameter.
curl -s "https://www.taxid.dev/ENDPOINT" \
-H "Authorization: Bearer YOUR_API_KEY" \
-H "Accept: application/json"Where this listing comes from
Aggregated from 2 public sources (public-api-lists, public-apis), then normalised and checked by us. If something here is wrong, tell us and we will correct it.
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No keyCORSHTTPS
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TaxID — common questions
Answered from what our own scheduled checks found, not from the provider's marketing.
Is TaxID free to use?
TaxID is listed in our free catalogue, but it requires an API key, so you will need to register before your first call. Providers frequently reserve higher limits and commercial use for paid plans.
Does TaxID need an API key?
Yes. TaxID authenticates with an API key. Keep it server-side rather than in browser code, because anything in your frontend bundle is readable by anyone who opens developer tools.
Can I call TaxID from browser JavaScript?
Yes. TaxID returned CORS headers when we checked it, so a browser will let your page read the response. You can fetch it directly from client-side JavaScript with no proxy and no backend.
Is TaxID still working?
Yes, as of 2026-09-18. Our automated check reached TaxID and recorded a 100% reliability score with a median response time of 1748 ms. We re-check on a schedule, and this page updates with the result.
Is TaxID available over HTTPS?
Yes. TaxID serves over HTTPS, so you can call it from a secure page without triggering a mixed-content block.