APIs & SDKs
1Lookup
Phone, email, IP and social data your code or your AI agent can call
1Lookup fact sheet
| Community votes | 0 |
|---|---|
| Founded | 2025 |
| Stage | Startup |
| Based in | Pinedale, United States |
| Website | 1lookup.io |
1Lookup metrics
Vendor metrics for 1lookup.io: Ahrefs Domain Rating and Majestic link data, with the delta since the last review.
- Domain Rating
- 31
- +1 (up) since last check
- Trust Flow
- 25
- no change since last check
- Citation Flow
- 38
- no change since last check
- Referring domains
- 326
- no change since last check
- External backlinks
- 13,992
- no change since last check
Vendor Domain Rating (Ahrefs) checked 16 Oct 2026, spec changed 16 Oct 2026. Vendor topic: Recreation/Pets (24). Vendor Majestic data checked 9 Oct 2026, spec changed 9 Oct 2026. Link metrics supplied by Majestic. Trust Flow, Citation Flow and Topical Trust Flow are trademarks of Majestic-12 Ltd.
1Lookup vendor domain
We read this from the registry's RDAP record on 16 Oct 2026, 14:15 UTC.
- Domain age
- 1 year
- Registered
- Expires
- Registrar
- NameCheap, Inc.
- DNSSEC
- Not signed
Data validation and enrichment platform with 44 API products for phone, email, IP, company and social data verification, all on one API key.
Overview
The 1Lookup homepage
1Lookup is a data intelligence platform that provides real-time validation and enrichment for phone numbers, emails, IP addresses, and social data. The service combines 44 data products into a single API with universal credits, offering phone validation with FCC and carrier data, email verification with SMTP checks, IP intelligence with VPN detection, and enrichment services for contact and company data. Response times are under 300 milliseconds, with daily updates from authoritative sources and support for both REST API and AI agent integration via a hosted MCP server.
Capabilities
- Social Media data from 13 platforms with profile, post, video transcript, and audience data
Pricing
Starter $99/month (20,000 credits), Growth $299/month (85,000 credits), Professional $799/month (250,000 credits), Enterprise $1,999/month (1,000,000 credits). All plans include 7-day free trial. Core validations cost 1 credit each. Annual billing saves equivalent of two months.
Compare and explore
See the alternatives to 1Lookup, 1Lookup vs Byteful, StayingAPI vs 1Lookup, 1Lookup vs FlyByAPIs, 1Lookup vs Omniyond, 1Lookup vs peppol.sh, more in APIs & SDKs or startups in United States.
Buyer questions
What is 1Lookup and how does it work?
1Lookup is a data intelligence platform with 44 products behind one API for phone, email, and IP validation, contact and company enrichment, B2B prospecting, SEO and web intelligence, and audio transcription. It aggregates data from multiple trusted sources to deliver real-time insights that help businesses verify identities, prevent fraud, and improve data quality.
How accurate is 1Lookup's data?
Data is updated daily from carrier networks, regulatory databases, and other authoritative sources. Phone and email validation accuracy comes from data sourced directly from carrier networks and authoritative databases, refreshed daily. Confidence scores and data freshness indicators are provided with each lookup.
Is there a free trial?
Yes, every plan starts with a 7-day free trial with no payment required upfront. The Starter trial includes $5 of universal credits; Growth, Professional, and Enterprise plans include $20, usable on every product with about 1,000 to 10,000 API calls possible depending on the plan.
How do I integrate with the 1Lookup API?
Integration is simple: sign up to get an API key, then use the RESTful API that accepts JSON requests and returns structured JSON responses. Code examples are available in multiple programming languages, or connect AI agents like Claude or Cursor via the hosted MCP server at https://app.1lookup.io/api/mcp using OAuth authentication.
Can I cancel anytime without contracts or penalties?
Yes, there are no contracts, setup fees, or monthly minimums. You can upgrade, downgrade, or cancel your plan anytime, and you can continue using any remaining credits after cancellation.
Leave a review for 1Lookup
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1Lookup has a free listing. The owner can unlock the full profile with a paid launch for $5:
- Founder story (locked)
- Milestones (locked)
- Demo video (locked)
- Dofollow website link (locked)
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