Providers
Address, email and phone providers in one app — routed per country, with a backup.
No contracts with providers. No API keys. One bill. One price per check — no matter which provider answers.
8 / 8
About 250 countries and territories. Premise-level data in about 100 countries; strong in the US, Canada, the UK and Germany. Apartment and sub-building data in many countries.
Also verifies email addresses. Email verification
About 250 countries; USPS CASS.
40 countries and regions; India and Japan are in preview. USPS CASS for the US.
14 European countries, each from official or postal sources.
Recommended email provider. Confirms whether the mailbox exists.
Email Validation from Amazon Simple Email Service. Checks syntax and DNS records and estimates whether the mailbox exists, with a confidence level for every check.
Free email and phone number check on Address Validation iO’s own servers.
Roadmap
Roadmap providers are not live yet. Tell us which provider you need and for which countries.