
1Lookup
The #1 tool for validating phone, email and IP data in real time. All through one powerful API.

1Lookup
The #1 tool for validating phone, email and IP data in real time. All through one powerful API.
Ranked #23 on TrustMRR
713 active subscriptions
7,365 followers on 𝕏
Revenue is verified with
Stripe API key.Last updated: Oct 20, 2026, 08:09 AM
Stop paying for bad data. 34 data products on one API key and one shared credit balance: validation, enrichment, B2B prospecting, SEO and transcription.
Provides real-time validation and enrichment to prevent fraud and improve data quality.
Audience
Businesses needing data validation and enrichment, including call centers, marketing agencies, and e-commerce.
Pricing
One credit balance for everything, pay only for what you use.
Domain Rating
1lookup.io
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