OpenLookup.io
one API to verify email, phone, IP, and domain
OpenLookup.io launched on August 10, 2026 with 3 votes, #2,940 of 23,274 launches that month and more than 50% of that year's launches.
What it does
OpenLookup provides a comprehensive risk intelligence API for emails, phone numbers, IP addresses, and domains. It offers a risk score from 0 to 100, along with a clear recommendation, all accessible through a single API key and credit balance. This consolidation eliminates the need for multiple vendors, streamlining integrations and billing. Consolidated Risk Signals: Replaces separate email validation, phone lookup, IP reputation, and domain intelligence tools with a single API.
Stop fake signups with 21 verification checks (email, phone, IP, domain, IBAN, VAT number, card BIN, and more) and a clear 0-100 risk score behind one API key and one credit balance.
Verify email, phone, IP, domain, IBAN, VAT number, card BIN, and more . Get a clear 0-100 risk score for every signup. One credit balance, one response shape, no per-product contracts. Every product shares the same authentication and credit balance. Transparent by design: every score is built from documented checks, not a black box. Most teams verify email, phone, IP, domain, IBAN, VAT number, card BIN, and more with a different tool for each: separate contracts, separate integrations, separate bills. OpenLookup is all of them, behind one API key. Five contracts, five bills, five dashboards, five support queues. Every subject starts at 100 and loses a fixed, published number of points for…from openlookup.io
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