Top 1Lookup Alternatives
Validates phone numbers, emails, and IP addresses via API in real time to improve data quality, detect fraud, and reduce invalid or risky accounts.
Looking for apps like 1Lookup? Explore similar apps and alternatives, ranked based on their features, categories, and use cases.
MaxMind
MaxMind provides IP geolocation and fraud detection tools to help businesses identify user locations, prevent online fraud, and optimize security and content delivery.
MillionVerifier
Validates and cleans large email lists by detecting invalid or risky addresses; offers bulk verification, API access, and automated checks to reduce bounces and improve deliverability.
IPQS
IPQS provides an API suite for detecting and preventing fraud, including bots and fake data, by validating digital identities in real-time.
Email Validation
The Email Validation app checks the accuracy of email addresses, verifying syntax, domain, and server status to maintain clean email lists.
IPinfo
IPinfo provides detailed IP address information, including geolocation and organizational data, for enhanced security, analytics, and marketing.
MyEmailVerifier
MyEmailVerifier is an email verification tool that checks the validity of email addresses to improve deliverability and protect sender reputation.
Debounce
Debounce is an email validation tool that verifies and cleans email lists, ensuring messages are sent to valid addresses and improving delivery rates.
EmailListVerify
EmailListVerify is an email verification tool that checks the validity of email addresses to improve accuracy and deliverability in email marketing campaigns.
Castle
Castle is a platform for identity and fraud risk management, helping teams prevent fraud during signup, login, and transactions through an integrated SDK.
Bulk Email Checker
The Bulk Email Checker validates large email lists, filtering out invalid and disposable addresses to improve email deliverability and maintain sender reputation.
EmailScrubber
EmailScrubber helps users clean and validate email lists by removing duplicates and inactive addresses, improving email deliverability and communication effectiveness.
Hunter.io
Hunter.io finds and verifies professional email addresses, enabling businesses to connect with potential clients through outreach campaigns.
Mailtester
Mailtester checks email addresses for validity and analyzes email content to improve deliverability and avoid spam filters.
EmailOversight
Validates and assesses email addresses, removes undeliverable or risky contacts, and appends missing details (name, address, gender) via a real-time API for marketing and CRM lists.
mailfloss
Automatically verifies and cleans email lists by detecting and removing invalid, fake, or risky addresses; integrates with major email service providers and offers API access.
BriteVerify
BriteVerify validates email addresses in real time, single, bulk, or via API, identifying invalid, risky, or undeliverable addresses to reduce bounces and maintain cleaner email lists.
ZeroBounce
ZeroBounce is an email verification platform that enhances email deliverability by validating addresses, providing activity data, and monitoring security.
numverify
Numverify provides an API for validating and checking phone numbers internationally, offering insights on number type, carrier, and status for developers and businesses.
Clearout
Clearout is an email verification and management app that helps businesses maintain accurate email lists by validating addresses in bulk or real-time.
Bounceable
Checks email deliverability in real time, detects disposable and catch-all addresses, and estimates bounce risk via a REST API.
Dropcontact
Dropcontact enriches and cleans contact data in CRMs automatically, ensuring GDPR compliance by verifying emails and enhancing data with LinkedIn profiles.
BillionVerify
BillionVerify checks individual email addresses and bulk lists, identifies invalid or risky contacts, and provides API and platform integrations for email workflows.
ClearBounce
ClearBounce verifies email addresses, detecting invalid, disposable, and risky addresses via bulk CSV, real-time API and integrations; provides status, risk scores, and domain monitoring.
IP2Location
Converts IP addresses to geographic and network information via a database and API, returning country, city, ZIP, lat/long, time zone, ISP, domain, ASN for security, analytics, and access control.
EmailListValidation.com
Web app that verifies and cleans email lists by checking syntax, domain and mailbox status, categorizing addresses (deliverable, risky, undeliverable) and supporting bulk uploads and exports.
NoParam
NoParam provides a real-time Email Verification API that validates email addresses to reduce invalid addresses, lower bounces, and improve deliverability.
ExactVerify
ExactVerify is an email validation service that ensures email deliverability and improves sender reputation by verifying addresses and reducing bounce rates.
Quickemailverification
Quickemailverification is an email verification tool that improves deliverability by validating addresses, reducing bounces, and maintaining clean mailing lists.
Persona
Persona is an identity management platform that automates user information verification and fraud detection for businesses.
Mailsfinder
Finds, verifies, and manages professional email addresses from names, domains, or companies; supports bulk checking, list cleaning, enrichment and exports for outreach and CRM.