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 API25 services in this categoryData Validation APIs
25 servicesBank Code Validator API
Validate SWIFT/BIC, IBAN, or IFSC codes and get normalized results, bank details, and structured error reasons for bad or unsupported inputs.
External ProvidersValidate Aadhaar Test API
Validate a 12-digit Aadhaar number from a request body and get a boolean result. Useful for KYC, signup checks, and identity data validation.
Aadhaar Number Validator
Validate a 12-digit Aadhaar number and get a boolean result. Useful for KYC checks, form validation, and cleaning identity data.
Aadhaar Number Validator
Validate a 12-digit Aadhaar number from a simple JSON body and get a boolean result for identity checks and KYC intake.
Barcode Check Digit Validator
Validate EAN, UPC, and ISBN barcodes or generate the missing check digit. Returns validity, format, length, and check-digit details.
External ProvidersProfanity Check
Send text and optional language to detect profanity in user-generated content. Useful for moderation checks before publishing comments, chats, or reviews.
External ProvidersTEST VAT Number Validator
Validate a VAT number with a country code prefix and get a boolean result. Useful for invoicing, onboarding, and business tax checks.
Validate File Type API
Validate uploaded files or file URLs by comparing extension, declared MIME, and detected type. Useful for intake checks and spoofed-file rejection.
Validate UK Postcodes API
Validate a UK postcode by sending a postcode string. Returns a boolean data field for address checks, form validation, and delivery filtering.
Validate Indian Postcodes API
Validate an India postcode with a boolean response. Use it to check whether a PIN code exists before accepting an address.
BIC Validator
Validate BIC/SWIFT codes from a `bic` field and get parsed code parts or false. Useful for payment forms and bank data checks.
IBAN Validator
Validate an IBAN and get either false or a structured result with country code, BBAN, SEPA flag, and printable format.
Which Data Validation API do you need?
The question you arrived with, and the endpoint that answers it.