1Lookup

1Lookup

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

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All-time revenue
$5,452,572

Ranked #23 on TrustMRR

MRR
$264,535

713 active subscriptions

Founder
robbyfrankRobby Frank

7,365 followers on 𝕏

Founded
January 2022
USUnited States

Revenue is verified withStripeStripe API key.Last updated: Oct 20, 2026, 08:09 AM

Startup insights
Value proposition

Stop paying for bad data. 34 data products on one API key and one shared credit balance: validation, enrichment, B2B prospecting, SEO and transcription.

Problem solved

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

31/100

1lookup.io

Ahrefs Domain Rating measures backlink profile strength on a 0 to 100 logarithmic scale.

Tech stack

Additional info

7-day free trial; integration with tools like Twilio, HubSpot, Shopify, and Salesforce.

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