Free REST API that checks XRechnung and ZUGFeRD e-invoices (CII, UBL, ZUGFeRD PDF) against the official KoSIT Schematron rules and returns JSON with rule IDs, English and German error messages and key invoice data. API key auth, 50 free validations per month; paid tiers planned.
Orisift checks phone numbers, email domains, IP addresses and domains through one POST /v1/lookup endpoint and ...
CPFHub.io is a REST API for Brazilian CPF data. GET /cpf/{cpf} returns name, gender and birth date in about 15 ...
Validate IBAN, EU VAT, card numbers, ISBN, BIC, EAN and postcodes. Hosted on RapidAPI; free BASIC plan, authen ...
Clean CRM contacts before import: normalize names, email domains, phones and URLs; generate stable SHA-256 fin ...
Caller Identification API identifies caller information and enriches the contact data. Access comprehensive ph ...