Veriport API alternatives
EU VAT validation (VIES), VAT rates, IBAN validation, French company data. If it doesn't fit your project, here are the 10 best free Data Validation APIs to use instead in 2026, out of 16 in the directory.
For reference, Veriport API: 100% uptime (30 days) · Callable from the browser (CORS) · HTTPS.
- 1
US Autocomplete API
Online · 3120 msEnter address data quickly with real-time address suggestions.
- 100% uptime (30 days)
- Callable from the browser (CORS)
- HTTPS
apiKeyHTTPSCORS - 2
US Street Address API
Online · 1883 msValidate and append data for any US postal address.
- 100% uptime (30 days)
- Callable from the browser (CORS)
- HTTPS
apiKeyHTTPSCORS - 3
Attestwire API
Online · 3221 msValidate EN 16931 e-invoices: XRechnung, ZUGFeRD, Factur-X, Peppol BIS.
- 100% uptime (30 days)
- Callable from the browser (CORS)
- HTTPS
apiKeyHTTPSCORS - 4
SchemaShield API
Online · 178 msRead-only preflight for breaking schema changes and downstream query impact.
- 100% uptime (30 days)
- Fast: 178 ms response
- HTTPS
apiKeyHTTPSCORS ? - 5
Temsor API
Online · 2493 msValidates Turkish national ID, tax number, IBAN, phone, plate and parses addresses.
- 100% uptime (30 days)
- Callable from the browser (CORS)
- HTTPS
apiKeyHTTPSCORS - 6
US Extract API
Online · 1970 msExtract postal addresses from any text including emails.
- 100% uptime (30 days)
- Callable from the browser (CORS)
- HTTPS
apiKeyHTTPSCORS - 7

Postman Echo API
Online · 6930 msTest api server to receive and return value from HTTP method.
- No API key needed
- 100% uptime (30 days)
- HTTPS
No authHTTPSCORS ? - 8
invowerk API
Online · 3595 msValidate e-invoices (ZUGFeRD, Factur-X, XRechnung, Peppol BIS) and get a validation report.
- 100% uptime (30 days)
- HTTPS
apiKeyHTTPSCORS ? - 9

Lob.com API
Online · 5570 msAutomate and personalize direct mail at scale while our nationwide print network speeds delivery, controls postage costs, and keeps every send compliant.
- 100% uptime (30 days)
- HTTPS
apiKeyHTTPSCORS ? - 10

VATlayer API
Online · 3383 msFree and HTTPS secured JSON API offering instant VAT number validation, reliable EU VAT rates and VAT compliant price calculations for developers & businesses.
- 100% uptime (30 days)
- HTTPS
apiKeyHTTPSCORS ?
Veriport API vs alternatives
| API | API key | HTTPS | CORS | Uptime | Response | Rating |
|---|---|---|---|---|---|---|
| Required | Yes | Yes | 100% | 2204 ms | Not rated | |
| Required | Yes | Yes | 100% | 3120 ms | Not rated | |
| Required | Yes | Yes | 100% | 1883 ms | Not rated | |
| Attestwire | Required | Yes | Yes | 100% | 3221 ms | Not rated |
| Required | Yes | Unknown | 100% | 178 ms | Not rated | |
| Temsor | Required | Yes | Yes | 100% | 2493 ms | Not rated |
| Required | Yes | Yes | 100% | 1970 ms | Not rated | |
| No | Yes | Unknown | 100% | 6930 ms | Not rated | |
| Required | Yes | Unknown | 100% | 3595 ms | Not rated |
See also: best Data Validation APIs · all Data Validation APIs
Veriport API alternatives FAQ
What is the best free alternative to the Veriport API in 2026?
The top-ranked free alternatives to the Veriport API are US Autocomplete API, US Street Address API and Attestwire API, all in the Data Validation category. Rankings combine access (API key, HTTPS, CORS), daily uptime checks and developer ratings.
Is there a Veriport API alternative that doesn't need an API key?
Yes: Postman Echo API and PurgoMalum API work without an API key, unlike the Veriport API, which uses apiKey authentication.
How many Data Validation APIs are similar to the Veriport API?
The directory lists 16 other free Data Validation APIs. This page compares the top ones side by side.