Lookups.io vs 1Lookup: Which Lookup Service Do You Need?
Similar names, different jobs. One searches for people; the other verifies phone numbers, emails, and IP addresses. Two minutes here will save you signing up for the wrong one.
Lookups.io positions itself as a people search engine: you start with a name and get aggregated public information about a person. 1Lookup (this site) is a data verification platform: you start with a phone number, email, or IP address and get technical facts about it (validity, carrier, line type, spam score, and fraud risk) via free tools and a developer API. The two services are not affiliated.
Start with what you're trying to do
“I want to research a person”
A people search engine is the right category. Lookups.io is one of many services in that space, alongside long-standing names in public-records search. We're not in that business, so we won't pretend to review it: check independent reviews and each service's privacy policy, and prefer services that show what they found before asking for payment.
“I want the story behind a number, email, or IP”
That's 1Lookup. Paste a phone number and see whether it's real, who carries it, whether it's mobile, landline or VoIP, whether the SIM is live right now (HLR), and its spam reputation, or run a reverse lookup for the likely owner's name and location. Same idea for emails (deliverability) and IPs (geolocation, VPN/proxy detection). Free for single lookups, with an API when you need volume.
Side by side
| Lookups.io |  1Lookup | |
|---|---|---|
| Type of service | People search engine | Phone, email & IP verification platform (API + free tools) |
| You start with… | A person (typically a name) | A data point: phone number, email address, IP, or domain |
| You get back… | Aggregated public information about individuals | Technical facts: validity, carrier, line type, HLR reachability, spam score, deliverability, geolocation, fraud risk |
| Built for | Consumers researching people | Businesses and developers cleaning lists, verifying signups, and blocking fraud, plus anyone identifying an unknown number |
| Free access | See lookups.io for its current terms | 13+ free tools, no account needed; free account adds 1,000 lookups, bulk uploads & API |
| API for developers | Not its positioning | Yes: REST API, bulk processing, integrations (Zapier, n8n, Sheets) |
Lookups.io column describes its public positioning as a people search engine; for current features and terms, see its own site. 1Lookup has no affiliation with Lookups.io.
Try the free 1Lookup tools, no signup needed
If you landed here trying to figure out an unknown number or verify a contact, these run the same production API our customers use, free for single lookups:
Reverse Phone Lookup
Likely owner name, city, and line type for US numbers.
Spam Number Lookup
Spam, scam and robocall reputation for any number.
Phone Number Lookup
Validity, carrier, country and timezone in seconds.
HLR Lookup
Is a mobile number active and reachable right now?
Email Verifier
Is an address valid, deliverable and safe to send to?
IP Address Lookup
City, ISP, ASN and connection type for any IP.
Live network data
Phone results draw on carrier data, live HLR queries, and FCC daily data, not a static directory.
Built for compliance
Validation and verification only: technical facts about numbers, emails and IPs, used under TCPA/DNC-aware practices.
Verified pricing culture
Our comparison pages publish competitor prices verified against live sources, and the same honesty applies here.
Frequently asked questions
Are 1Lookup and Lookups.io the same company?
No. 1Lookup (1lookup.io) and Lookups.io are separate, unaffiliated services with different purposes. Lookups.io positions itself as a people search engine for finding information about individuals by name. 1Lookup is a data verification platform: an API and set of free tools that validate phone numbers, email addresses, and IP addresses for businesses and developers.
Is Lookups.io legit?
We can't vouch for another company's service: 1Lookup is not affiliated with Lookups.io and doesn't have inside knowledge of how it operates. As with any people-search site, sensible precautions apply: check independent reviews, read the privacy policy before submitting personal data, and be wary of any service that requests payment details for results it can't preview. If your actual goal is to check who or what is behind a phone number, you can run a free reverse phone lookup on 1Lookup without creating an account.
What is the difference between a people search engine and a lookup API?
A people search engine starts from a person (typically a name) and aggregates public records and web data about them. A lookup or validation API starts from a data point (a phone number, email address, or IP) and returns technical facts about it: whether it's valid and active, its carrier or mail server, line type, spam reputation, and fraud risk. Businesses use lookup APIs to clean contact lists, verify signups, and block fraud rather than to research individuals.
Can 1Lookup tell me who owns a phone number?
1Lookup's reverse phone lookup returns the likely owner name, city, state, and line type for US numbers, alongside carrier and spam-risk data. It's built for caller identification and list hygiene, not for people research: it returns details about the number, not a dossier about the person. You can try it free at 1lookup.io/tools/reverse-phone-lookup.
Does 1Lookup offer free lookups?
Yes. 1Lookup's free tools cover phone validation, reverse phone lookup, carrier lookup, HLR checks, spam number lookup, email verification, IP lookup, and more, one lookup at a time, no account required. Creating a free account unlocks full reports, bulk list processing, and API access with 1,000 free lookups to start.
1Lookup vs Lookups.io: the same criteria, side by side
Both products measured on identical criteria, with Lookups.io’s numbers taken from its own published pricing.
1lookup1lookup.ioMulti-channel validation- Phone
- IP
lookups.ioMulti-channel validation- Phone
- Lookups.io · Starts at
- $11.99/mo (Basic) for 10 profile unlocks/day, roughly 300/mo (~$0.04/unlock)
- 1Lookup: $99/mo for 20,000 credits ($4.95 per 1,000, down to $2.00 on Enterprise)
- Lookups.io · Do credits expire?
- Quotas are daily unlock limits that reset each day; no rollover is mentioned. Pricing FAQ states that after hitting the limit results show redacted "until your limit resets or you upgrade your plan."
- 1Lookup: Unused monthly credits roll over for 3 months; separately purchased credits last 1 year
| Criteria | 1Lookup | |
|---|---|---|
| Contact-data coverage | EmailPhoneIP | EmailPhoneIP |
| Pricing model | Monthly plans with universal credits; core phone, email and IP lookups cost 1 credit, enrichment and intelligence products cost more | Monthly subscriptions with daily profile-unlock quotas, no pay-as-you-go: Basic $11.99/mo (10 unlocks/day), Professional $29.99/mo (100 unlocks/day), Enterprise $59.99/mo (1,000 unlocks/day, API access), annual billing saves 2 months, custom quotes above 1,000/day. |
| Starting price | $99/mo for 20,000 credits ($4.95 per 1,000, down to $2.00 on Enterprise) | $11.99/mo (Basic) for 10 profile unlocks/day, roughly 300/mo (~$0.04/unlock) |
| Free option | Free single lookups via the online tools at 1lookup.io/tools, no account required | None published |
| Free trial | 7-day free trial on every plan: $5 of credits on Starter, $20 on Growth, Professional, and Enterprise (card required, nothing charged up front) | None published |
| Do credits expire? | Unused monthly credits roll over for 3 months; separately purchased credits last 1 year | Quotas are daily unlock limits that reset each day; no rollover is mentioned. Pricing FAQ states that after hitting the limit results show redacted "until your limit resets or you upgrade your plan." |
Cost per 1,000: Lookups.io and 1Lookup
Published rates only, drawn on one shared scale that starts at $0.
- 1Lookup rate card
- Lookups.io published tiers
Lookups.io, per published tier
10 unlocks/day (~300/mo), Basic plan
~$39.97100 unlocks/day (~3,000/mo), Professional plan
~$10.001,000 unlocks/day (~30,000/mo), Enterprise plan
~$2.00
1Lookup, reference band (a range, not a bar from $0)
All 4 plans, 20,000 lookups/mo to 1,000,000 lookups/mo
Cost per 1,000
| Product | Volume tier | Price | Cost per 1,000 |
|---|---|---|---|
| Lookups.io | 10 unlocks/day (~300/mo), Basic plan | $11.99/mo | ~$39.97 |
| Lookups.io | 100 unlocks/day (~3,000/mo), Professional plan | $29.99/mo | ~$10.00 |
| Lookups.io | 1,000 unlocks/day (~30,000/mo), Enterprise plan | $59.99/mo | ~$2.00 |
| 1Lookup | 20,000 lookups/mo | $99/mo (Starter) | $4.95 |
| 1Lookup | 85,000 lookups/mo | $299/mo (Growth) | $3.52 |
| 1Lookup | 250,000 lookups/mo | $799/mo (Professional) | $3.20 |
| 1Lookup | 1,000,000 lookups/mo | $1,999/mo (Enterprise) | $2.00 |
What Lookups.io costs at volume
| Volume | Lookups.io price | Per 1,000 |
|---|---|---|
| 10 unlocks/day (~300/mo), Basic plan | $11.99/mo | ~$39.97 |
| 100 unlocks/day (~3,000/mo), Professional plan | $29.99/mo | ~$10.00 |
| 1,000 unlocks/day (~30,000/mo), Enterprise plan | $59.99/mo | ~$2.00 |
| Above 1,000 unlocks/day | Custom quote | - |
For scale: 1Lookup’s plans work out to $4.95 per 1,000 lookups on Starter down to $2.00 per 1,000 on Enterprise, with every lookup type (phone, email, IP, spam) drawing from the same credits. Pricing models differ (subscription vs pay-as-you-go), so compare at your real monthly volume.
Lookups.io’s pricing page, as we read it
Every Lookups.io figure above is taken from this page. It is reproduced here so you can check the numbers against the source instead of trusting our transcription of them, and the caption links straight to it. Prices change; the capture date says how fresh this is.
Before you sign: Lookups.io and 1Lookup on the operational terms
The terms that decide what a year actually costs, rather than what the first month does. A blank means we could not verify it on either product’s published pages, not that the answer is nothing.
| Term | 1Lookup | Lookups.io |
|---|---|---|
| Minimum commitment | None. Monthly plans with no contract and no minimum volume; cancel any time | None. 'All plans are month-to-month or year-to-year with no long-term commitment. You can cancel online at any time.' Upgrades take effect immediately; downgrades apply at the next billing cycle. |
| Going over your quota | — | No overage charge and no hard block. 'You'll still see results, but they'll be redacted until your limit resets or you upgrade your plan.' |
| API access | Included on every plan and during the free trial; there is no tier that unlocks it | API access is listed only on the Enterprise plan at $59.99/month. Basic and Professional show no API access in the comparison table. |
| Rate limit | 1,000 requests per minute on standard accounts, with higher limits available on request | People Search 60 requests/min, Email Lookup 60/min, View Profile 60/min, Unlock Profile 120/min. Exceeding a limit returns HTTP 429. |
| Uptime SLA | — | No SLA published. The homepage displays '99.99% Uptime' as a headline statistic alongside '500M+ Records', '<100ms Avg. latency' and '250+ Sources', with no supporting service level agreement. |
| Support | Starter: Email Support; Growth: Priority Email & Chat Support; Professional: Chat + Live Meeting; Enterprise: Dedicated CSM | Basic: email support. Professional: priority support. Enterprise: dedicated support. Custom plans beyond Enterprise are described as offering 24/7 priority access to the engineering team and a dedicated account manager. |
Lookups.io fine print worth reading twice
Published terms that change what Lookups.io costs or what you can do with it. Each one links to the Lookups.io page it was read on, because a claim about somebody else’s contract should be checkable in one click.
API access is limited to the Enterprise plan at $59.99/month; the Basic and Professional plans include no API access.
Read it on Lookups.io’s sitePlan limits are daily profile unlocks rather than monthly credits: 10 per day on Basic, 100 per day on Professional, 1,000 per day on Enterprise.
Read it on Lookups.io’s siteOnce the daily unlock limit is reached, results are still returned but are redacted until the limit resets or the plan is upgraded.
Read it on Lookups.io’s siteBasic only shows redacted data breach results; uncensored data breach results and Email/Social data enrichment require Professional at $29.99/month or above.
Read it on Lookups.io’s siteDaily limits beyond 1,000 unlocks, direct access to raw logs, bulk datasets and uncensored breach archives are custom-quoted through a Contact Sales flow.
Read it on Lookups.io’s site
Lookups.io’s API reference
Their public developer documentation, so you can judge the integration before you start one.
1Lookup
Lookups.io
Where Lookups.io wins
- Four lookup types in one product: name search, phone lookup, address search, and email lookup via a single API
- Claims aggregation of 250+ public and licensed data sources covering 500M+ records, including relatives, associates, aliases, and address history
- Low entry price: people-search access from $11.99/mo, with annual billing that saves 2 months
- Uncensored data breach access on Professional and Enterprise (redacted on Basic); email log access is full only on Enterprise
- Month-to-month terms with online cancellation anytime (confirmed in pricing FAQ); advertises sub-100ms responses and 99.99% uptime
Where 1Lookup wins
- Phone, email, and IP validation in one API with one universal credit balance
- Phone data refreshed daily from FCC and carrier sources
- Carrier/HLR lookup, line type, spam score, and reverse lookup included alongside validation
- Self-serve plans with no contracts and 3-month credit rollover
Lookups.io pricing and product facts verified against lookups.io as of July 2026. Prices change; always confirm on the vendor’s site. 1Lookup numbers come from the live rate card.