Nonprofit Check Plus API alternatives
12 other data validation APIs compared on authentication, HTTPS, CORS and documented endpoints.
| API | Auth | HTTPS | CORS | Endpoints |
|---|---|---|---|---|
| Nonprofit Check Plus | API key | Yes | Unknown | — |
| Postman Echo | No auth | Yes | Unknown | — |
| US Autocomplete | API key | Yes | Yes | — |
| Lob.com | API key | Yes | Unknown | — |
| US Extract | API key | Yes | Yes | — |
| PurgoMalum | No auth | No | Unknown | — |
| US Street Address | API key | Yes | Yes | — |
| invowerk | API key | Yes | Unknown | — |
| Attestwire | API key | Yes | Yes | — |
| SchemaShield | API key | Yes | Unknown | — |
| sthan.io Address Autocomplete | API key | Yes | No | — |
| Temsor | API key | Yes | Yes | — |
| VerifNow | API key | Yes | No | — |
Postman Echo
Data ValidationTest api server to receive and return value from HTTP method
US Autocomplete
Data ValidationEnter address data quickly with real-time address suggestions
Lob.com
Data ValidationUS Address Verification
US Extract
Data ValidationExtract postal addresses from any text including emails
PurgoMalum
Data ValidationContent validator against profanity & obscenity
US Street Address
Data ValidationValidate and append data for any US postal address
invowerk
Data ValidationValidate e-invoices (ZUGFeRD, Factur-X, XRechnung, Peppol BIS) and get a validation report
Attestwire
Data ValidationValidate EN 16931 e-invoices: XRechnung, ZUGFeRD, Factur-X, Peppol BIS
SchemaShield
Data ValidationRead-only preflight for breaking schema changes and downstream query impact
sthan.io Address Autocomplete
Data ValidationReal-time US address suggestions as users type
Temsor
Data ValidationValidates Turkish national ID, tax number, IBAN, phone, plate and parses addresses
VerifNow
Data ValidationValidates email, phone, IBAN, EU VAT against VIES, and Canadian, Spanish and US national IDs