Data Validation APIs.
A validation API answers one question per field: is this real, and is it well formed. Emails, phone numbers, VAT and IBAN numbers, postcodes — checked against live registries and format rules before the bad record reaches your database.
Also called a verification API, data quality API or data cleansing API54 services in this categoryData Validation APIs
54 servicesValidate IBAN API
Validate an IBAN and get back the country, BBAN and printable format in one call. Covers every SEPA country. Free tier, no credit card needed.
ApyHubVerifiedHosted on ApyHubValidate SWIFT/BIC API
SWIFT code validation API that checks an 8 or 11 character BIC and splits it into bank, country, location and branch codes for payment forms.
ApyHubVerifiedHosted on ApyHubBrazilian Boleto Validation & Bank Lookup API
Validate boleto barcodes or digitable lines and get parsed payment details, status checks, and error messages for Brazilian slips.
Validate Brazilian CNH Number API
Validate a Brazilian CNH number and get back is_valid, input_value, document_type, and formatted_value for form checks and data cleanup.
Validate Brazilian CNPJ Number API
Validate Brazilian CNPJ numbers and get the original value, document type, validity flag, and formatted value for clean downstream handling.
Validate Brazilian CPF Number API
CPF validation API that checks a Brazilian CPF number and returns is_valid plus a formatted value (111.444.777-35) for signup and checkout forms.
Validate Payment & Generate QR API
Validate GS1 and payment QR payloads, inspect parsed fields, and render scannable QR codes in common formats. Useful for checkout, invoicing, and test automation.
Callable LabsDomain Availability API
Check whether a domain is available, taken, or indeterminate. Validate candidate names inside signup flows, registrars, and domain search tools.
ApyHubVerifiedHosted on ApyHubPhonetic Text Search API
Compare a source word against candidates using Metaphone or Soundex. Returns matching words with shared phonetic codes for deduping and search.
ApyHubVerifiedHosted on ApyHubValidate Or Generate Barcode Check Digits API
Validate or generate barcode check digits for EAN, UPC, and ISBN values. Returns validity and check-digit fields for product data accuracy.
Validate Payment Card API
Validate card numbers with Luhn and length checks, identify the network, and return masked or formatted values for safe handling.
Validate and Format Phone Number API
Phone validation API that checks a number against per-country rules and returns E.164, national and international formats plus the country code.
Which Data Validation API do you need?
The question you arrived with, and the endpoint that answers it.