1Lookup
A suite of APIs for real-time phone, email, IP, and social data validation and enrichment, designed for AI agents.
| What is it | A suite of APIs for real-time phone, email, IP, and social data validation and enrichment, designed for AI agents. |
|---|---|
| Pricing | Paid — from $99/mo |
| Free tier | No |
| Platform | API |
| API | Yes |
| Best for | validating customer contact information, enriching lead data for sales outreach |
| Domain registered | 2025 |
Data updated Sept. 19, 2026
What does 1Lookup do?
1Lookup offers a comprehensive platform providing 43 data products accessible through a single API key and shared credit balance. This tool focuses on validating and enriching contact data, including phone numbers, emails, IP addresses, and domains, all in real time. It aims to help businesses avoid using outdated or incorrect data by offering quick and accurate verification services.
The platform stands out with its speed, delivering validation answers in under 0.3 seconds. Beyond basic validation, 1Lookup includes features like phone spam checks, HLR lookups, email appending, reverse IP lookups, social profile checks, and even SEO intelligence tools like SERP scraping and keyword metrics. It also provides real-time fraud scoring and daily updates for FCC and carrier data, ensuring the information is current and reliable. The tool is built to integrate with existing systems like Twilio, HubSpot, and Salesforce.
Businesses looking to improve data quality, reduce fraud, and enhance their marketing and sales efforts will find 1Lookup particularly useful. This includes call centers, lead generation companies, debt collection agencies, and marketing firms. It helps in tasks such as verifying customer contact details, enriching prospect information, and monitoring changes in professional data, ultimately leading to more effective outreach and better decision-making.
Key features
What makes it stand outWho is 1Lookup for?
Who benefits most from this toolPricing
Starter
- 0.005 cost per lookup
- 20,000 credits included
- 20,000 lookup credits
- Email Support
- Core validations (phone, email, IP, spam): 1 credit each
- API access
- Dashboard & analytics
- 4 more features
Growth
- 0.0035 cost per lookup
- 85,000 credits included
- 85,000 lookup credits
- Priority Email & Chat Support
- Core validations (phone, email, IP, spam): 1 credit each
- API access
- Dashboard & analytics
- 4 more features
Professional
- 0.0032 cost per lookup
- 250,000 credits included
- 250,000 lookup credits
- Chat + Live Meeting
- Core validations (phone, email, IP, spam): 1 credit each
- API access
- Dashboard & analytics
- 4 more features
Enterprise
- 0.002 cost per lookup
- 1,000,000 credits included
- 1,000,000 lookup credits
- Dedicated CSM
- Core validations (phone, email, IP, spam): 1 credit each
- API access
- Dashboard & analytics
- 4 more features
Custom Enterprise
- Dedicated support
- Custom integrations
- SLA commitments
- Volume discounts available
Trust & presence
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