IBAN Validator - Bulk IBAN Checker

Validates IBAN and SWIFT/BIC codes and returns data for routing number for ACH and Wire.

Telegram Number Validator - Bulk Check

clearpath/telegram-phone-number-validator

Bulk verify phone numbers for active Telegram accounts. Check 1,000-10,000 numbers per run. Upload CSV or Excel files, get instant yes/no results. Clean contact lists, validate leads, enrich CRM data. No Telegram account needed. Global coverage with automatic phone format normalization.

Email Address Validator (2026) Letest

datascoutapi/email-address-validator

Email validator - verify 10000 emails/run. Bulk email validation checks MX records, disposable/role-based detection. Improve deliverability & reduce bounces. 5-layer validation, detailed reports & smart DNS caching. Fast, accurate, cost-effective email list cleaning. Start free!

Phone Number Validator

automation-lab/phone-number-validator

Validate and format phone numbers using Google's libphonenumber. Returns validity, SMS suitability, campaign risk flags, number type, country, and E.164/national formats.

Phone Number Validator - Bulk Carrier & Line Type Lookup

scrapersdelight/phone-number-validator-scraper

Validate and normalise phone numbers in bulk. Returns E.164, country, region, timezone, line type and carrier. For US & Canada it adds the assigned LERG carrier, wireless/landline/VoIP type, rate centre and LATA from free public data - no API key, no per-lookup fees.

IBAN Lookup

greip/iban-lookup

Validate International Bank Account Numbers (IBANs) and retrieve comprehensive country information, banking details, formatting options, and validation results. Ideal for financial services, compliance checks, and fraud prevention.

Email Validation Api

ghewaretech/email-validation-api

Validate email addresses at scale with enterprise-grade accuracy. This API performs comprehensive email verification including syntax validation, DNS/MX record checks, disposable email detection, and optional SMTP mailbox verification.

Email Validator Pro — Bulk SMTP & Deliverability Check

accurate_pouch/email-validator

Validate emails in bulk with SMTP mailbox check, disposable detection, catch-all flagging, deliverability scoring, and typo suggestions. 20 emails free per run.

IBAN Validator API

maximedupre/iban-validator

Validate IBANs in one run with country structure checks and the ISO 13616 MOD-97 checksum. Get the submitted value, normalized formats, country details when available, SEPA membership, and a clear diagnostic status for each row.

Bulk Phone Number Validator — E.164, Carrier & Line Type

haketa/bulk-phone-validator

Validate and format thousands of phone numbers at once: validity, E.164 / international / national format, line type (mobile, landline, VoIP, toll-free), country, carrier, timezone and area. Fast, offline, keyless phone-list cleaning for CRM, SMS and leads.