VerifNow

Validates email, phone, IBAN, EU VAT against VIES, and Canadian, Spanish and US national IDs

Official docs outline

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Postman Echo Test api server to receive and return value from HTTP method
PurgoMalum Content validator against profanity & obscenity
RevAddress US address standardization, congressional and state legislative districts, Census data; free tier
SchemaShield Read-only preflight for breaking schema changes and downstream query impact
sthan.io Address Autocomplete Real-time US address suggestions as users type
sthan.io Address Parser Parse freeform US addresses into structured fields (house number, street, unit, city, state, ZIP)
sthan.io Address Verification Validate and standardize US addresses, with ZIP+4 and deliverability status
Temsor Validates Turkish national ID, tax number, IBAN, phone, plate and parses addresses
US Autocomplete Enter address data quickly with real-time address suggestions
US Extract Extract postal addresses from any text including emails
US Street Address Validate and append data for any US postal address
VATlayer VAT number validation