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  1. Home
  2. DATA SOURCES
  3. Email Lookup APIs

Best Email Lookup APIs Tools

Email lookup API tools are essential for teams that want to find accurate contact details quickly. Whether you work in sales, marketing, or growth teams, you’ll discover the best email lookup API software to streamline your outreach and lead generation. This page helps you compare popular tools, understand their uses, and pick the right one for your needs.

What is email lookup software?

Email lookup software helps you find verified email addresses from limited information like names or company details. It’s commonly used by sales reps, marketers, and recruiters who need to connect with potential clients or candidates fast.

For example, a sales team might use it to get emails of decision-makers before an important pitch. Marketers might find emails to build targeted campaigns that boost engagement. This software saves time and cuts down on guesswork for anyone looking to reach people quickly.

Why do teams use email lookup tools?

Teams rely on email lookup tools because they solve real problems like missing contacts and slow manual searches. These tools speed up workflows, saving time that teams can reinvest in selling or marketing. They also help scale outreach by providing bulk searches and accurate data in seconds.

Here’s what you get:

  • Verified, up-to-date contact info
  • Faster lead generation
  • Improved email deliverability
  • Reduced manual research
  • Better sales and marketing productivity

Sales, marketing, and operations teams especially benefit because these tools help turn databases and lists into real connections, boosting revenue and efficiency.

What are the best email lookup tools?

Let’s look at the top tools making waves today. You’ll find options suited for small teams, large sales departments, or marketing pros. Some focus on bulk email lookups like Apollo and Hunter, while others such as Swordfish and VoilaNorbert excel at individual contact verification.

Here’s a quick comparison to help you get started:

ToolBest ForKey Feature
ApolloSales teamsBulk lookups
HunterMarketing campaignsEmail verification
SwordfishRecruitingLinkedIn integration
VoilaNorbertSmall businessesSimple interface
ZoomInfoEnterpriseExtensive database

This curated list highlights trusted tools that work well across industries, making your choice simpler.

How do you choose the best email lookup software for your team?

Choosing the right software starts with a few key points. Consider your team size—is it a solo sales rep or a large marketing group? Budget is also critical; some tools offer free plans, while others cost more for extras. Look at integrations too—does it work with your CRM or mailing platform?

Next, think about scalability. Can the tool grow with your business? Equally important is ease of use, so your team spends less time learning and more time connecting.

In short, focus on:

  • Team size and needs
  • Budget flexibility
  • Integration options
  • Scalability potential
  • User-friendly design

Balancing these will guide you to the best match.

What features should you look for in email lookup software?

Now, let’s talk features that truly matter. You want:

  • Accurate email verification to reduce bounce rates
  • Bulk lookup for handling many contacts at once
  • CRM integration for seamless workflows
  • Real-time data updates keeping info fresh
  • Export options for easy list management
  • Advanced AI-based enrichment to predict the best contacts

These features ensure the software isn’t just a names finder but a real partner in your outreach strategy.

What are common use cases for these tools?

You’ll find email lookup tools solving real problems every day. Consider these specific scenarios:

  • Sales reps needing verified emails before cold calls
  • Marketers enriching lead lists for email drip campaigns
  • Recruiters finding candidate emails from LinkedIn profiles
  • Customer success teams reaching decision-makers faster
  • Event organizers promoting invites to targeted contacts

These examples show how tools like LeadIQ, SignalHire, or Lusha work across teams, boosting efficiency in different ways.

What benefits can you expect from using email lookup tools?

Expect big wins in how your team works. These tools cut time spent hunting emails by up to 80%, letting your team focus on selling or engaging. More verified emails mean higher response rates and less damage to your sender reputation.

You’ll also see:

  • Faster lead conversion
  • Increased campaign reach
  • Better team productivity
  • Lower bounce and unsubscribe rates

These results mean more revenue and smoother operations for your entire business.

What should you know before getting started?

Before diving in, keep in mind some common challenges. Costs can add up, especially with large contact volume. Adoption might slow if the tool isn’t easy or well-integrated. Setup may require some initial effort to sync with your CRM or data sources.

To make it easier:

  • Start with trials or free tiers to test fit
  • Train your team hands-on for faster adoption
  • Plan gradual rollout keeping workflows smooth

With these tips, you’ll avoid surprises and get the most from your email lookup API tools. Ready to find your next email lookup tool? Take a look at the curated options above and see what suits you best.

See also:

AI Account Research
AI Advertising
AI Agents
AI All-in-One Prospecting
AI Automation
AI BDR
AI Buyer Signals
AI Cold Caller
AI Competitive Intelligence
AI Competitor Analysis
Apollo

Apollo

Data-First Sales Platform

View

Pricing

Starting at $49

Key Features

Find and research leads
Personalize messaging fast
Launch campaigns quickly
Apollo

Apollo

View

Apollo helps sales leaders, founders, account executives, marketers, sales development, and revenue operations to improve their sales processes and grow their businesses so they can meet their revenue goals. It delivers this value through AI-powered tools for finding leads, automating engagement, managing deals, analyzing performance, streamlining workflows, and providing coaching, all within a single integrated platform.

Best For

Startups
SMBs
Mid-market
Clay

Clay

Prospect Differently

View

Pricing

Starting at $149

Key Features

Recurring workflows
CRM enrichment and hygiene
Targeted lead list building
Clay

Clay

View

Clay helps Go-To-Market teams access unique data from 100+ sources and AI agents, enabling them to automate growth workflows. It delivers value by enriching customer data, tracking intent signals, formatting data with AI, and constantly updating tools like CRM and email sequencers.

Best For

Startups
SMBs
Enterprise
ContactOut

ContactOut

Email Search Engine | Find Email Address

View

Pricing

Starting at $49

Key Features

Unlock accurate contact data
Find emails and phone numbers
Add prospects to email campaigns
ContactOut

ContactOut

View

ContactOut helps recruiters and sales representatives find email addresses and phone numbers for professionals. It offers a search portal, a Chrome extension and an API providing access to a large database that is updated hourly.

Best For

SMBs
Mid-market
Enterprise
Featured
Wiza

Wiza

Email Finder for LinkedIn - B2B Database

View

Pricing

Starting at $83

Key Features

Find verified emails fast
Get accurate contact data
Export up-to-date info easily
Wiza

Wiza

View

Wiza helps sales teams, recruiters, and marketers find accurate B2B contact information. It actively checks live data sources when requested, unveiling validated prospect data such as email addresses and phone numbers, and integrates with CRMs for seamless data flow.

Best For

SMBs
Mid-market
Enterprise
Datagma

Datagma

Find email and enrich your B2B data

View

Pricing

Starting at $39

Key Features

Find verified emails and phones
Real-time data retrieval
CRM integration and enrichment
Datagma

Datagma

View

Datagma helps businesses, including Fortune 500 companies, scale-ups, and startups, find verified email addresses and phone numbers to generate leads. It achieves this by offering a Chrome extension, API, and file upload options, integrating with tools and CRMs, and providing real-time data enrichment with GDPR compliance.

Best For

Startups
Scale-ups
Enterprise
Enrow

Enrow

Find anyone's email address

View

Pricing

Starting at $24

Key Features

Find verified email addresses fast
Verify email validity instantly
Access decision-maker contact details
Enrow

Enrow

View

Enrow helps sales professionals and lead generation specialists find and verify email addresses and phone numbers of potential leads. It leverages artificial intelligence and proprietary technologies to locate, confirm the validity of, and enrich contact information, only charging for successful finds and offering refunds otherwise.

Best For

Startups
Scale-ups
SMBs
Findymail

Findymail

Email Finder

View

Pricing

Starting at $49

Key Features

B2B email and phone data
Built-in email verification
Automated data exports
Findymail

Findymail

View

Findymail helps sales teams and other professionals find verified B2B email addresses and phone numbers. It delivers this value by using proprietary algorithms and email verification technology, while offering integrations with LinkedIn, Sales Navigator, Apollo, Google Sheets, CRMs, and email sequencers.

Best For

Startups
Scale-ups
SMBs
FullEnrich

FullEnrich

B2B Contact Enrichment

View

Pricing

Starting at $26

Key Features

Find emails and phone numbers
Waterfall enrichment with high find rate
Integrate with over thousand apps
FullEnrich

FullEnrich

View

FullEnrich helps B2B sales and marketing teams find more emails and phone numbers for their prospects, aiming to increase pipeline and customer reach. It aggregates contact information from over 15 vendors, verifies email deliverability, and integrates with tools like LinkedIn, Sales Navigator, Zapier, and CRMs.

Best For

SMBs
Mid-market
Enterprise
GetEmail.io

GetEmail.io

use Big Data & AI to Find the Email of Anyone on Earth

View

Pricing

Starting at $58.8

Key Features

Find professional emails instantly
Use big data and machine learning
Scan websites for email formats
GetEmail.io

GetEmail.io

View

GetEmail.io helps you find the email address of professionals by using their name and company domain. It leverages big data and machine learning to scan websites for email formats and predict the target's professional email.

Best For

Indie
Startups
Enterprise
GetProspect

GetProspect

Email finder: search email address for free

View

Pricing

Starting at $49

Key Features

Find emails in largest B2B database
Verify millions of emails daily
Export leads with one click
GetProspect

GetProspect

View

Email Finder helps sales and recruitment professionals identify contact information for business-to-business leads. It delivers accurate email addresses and enhanced prospect data through its database, LinkedIn integration, and website extraction capabilities.

Best For

Startups
SMBs
Mid-market
Hunter

Hunter

Find email addresses in seconds

View

Pricing

Starting at $34

Key Features

Send cold emails easily
Find B2B leads quickly
Verify email addresses reliably
Hunter

Hunter

View

Hunter helps salespeople, recruiters, and marketers find verified email addresses for lead generation and outreach. It accomplishes this by offering tools to search for email addresses by domain, find specific emails based on names, and verify the deliverability of emails, while also providing campaign features for personalized outreach.

Best For

Startups
SMBs
Mid-market
Kaspr

Kaspr

Find B2B Contact Data With Our LinkedIn Extension

View

Pricing

Starting at $45

Key Features

Accurate contact data
LinkedIn Chrome extension
All-in-one prospecting dashboard
Kaspr

Kaspr

View

Kaspr helps sales teams, recruiters, and founders find B2B contact information directly on LinkedIn. This is achieved by providing a Chrome extension that reveals accurate and compliant emails and phone numbers, and an all-in-one prospecting solution with lead management and integrations.

Best For

Startups
Scale-ups
SMBs
LeadGibbon

LeadGibbon

Find Anyone's Email with our B2B Lead Database

View

Pricing

Starting at $39

Key Features

Find emails from LinkedIn
Advanced search by position and industry
Upload lists for email enrichment
LeadGibbon

LeadGibbon

View

LeadGibbon helps sales professionals find validated email addresses for their leads, streamlining the prospecting process. It uses a LinkedIn Extension, a B2B lead database, and an email enrichment tool to automatically verify email deliverability and provide accurate contact information.

Best For

Startups
SMBs
Mid-market
LeadIQ

LeadIQ

Close Deals Faster.

View

Pricing

Starting at $200

Key Features

AI-powered account prospecting
Real-time champion tracking
CRM data enrichment
LeadIQ

LeadIQ

View

LeadIQ helps B2B sales and marketing teams accelerate pipeline generation by providing tools to find and capture accurate contact data. It achieves this by integrating with platforms like LinkedIn, Salesforce, Outreach, Salesloft, and others to streamline prospecting, contact creation, and CRM enrichment.

Best For

SMBs
Mid-market
Enterprise
LeadMagic

LeadMagic

Lead Generation: Most Accurate & Lowest Cost Email Validation

View

Pricing

Starting at $99.99

Key Features

Email finder with high accuracy
Mobile finder with best accuracy
Real-time data enrichment
LeadMagic

LeadMagic

View

LeadMagic helps B2B companies by enriching their prospecting data with accurate emails, mobile numbers, and company information. It leverages AI technology to match data with real-time information and integrates seamlessly with various platforms to clean, validate, and push enriched data to outbound systems for improved lead engagement.

Best For

Startups
SMBs
Mid-market
Lusha

Lusha

B2B Lead Enrichment in a Click

View

Pricing

Starting at $22.45

Key Features

Chat to build pipeline faster
Verified data and live leads
Real-time leads and faster closes
Lusha

Lusha

View

Lusha helps sales, marketing, and recruiting professionals find contact information for prospects and key decision-makers. It leverages an AI-powered database of business profiles, complete with intent data and enrichment capabilities, to streamline outreach and improve conversion rates.

Best For

Startups
SMBs
Mid-market
Nymeria

Nymeria

Find email addresses phone numbers andsocial links

View

Pricing

Starting at $39

Key Features

Accurate email and phone data
Web platform with easy connections
Automated placement monitoring alerts
Nymeria

Nymeria

View

Nymeria helps recruiting, sales, and marketing teams discover contact information for individuals. It delivers this value by searching, enriching, and providing contact details via a web platform, browser plugins, and an API.

Best For

Startups
SMBs
Mid-market
Prospeo

Prospeo

Find business email addresses for outreach

View

Pricing

Starting at $39

Key Features

Find verified email addresses
search emails by domain
discover high-quality B2B mobile numbers
Prospeo

Prospeo

View

Prospeo helps sales professionals, recruiters, and marketers find verified email addresses and mobile numbers for outreach. It delivers this value by offering tools like an email finder, domain search, Sales Navigator export, mobile finder, email verifier, and a Chrome extension to locate contact information from various sources including LinkedIn and websites.

Best For

Startups
SMBs
Mid-market
QuickEnrich

QuickEnrich

Comprehensive B2B email and mobile finder

View

Pricing

Starting at $24

Key Features

Comprehensive B2B email finder
Includes mobile phone numbers
Extensive contact database
QuickEnrich

QuickEnrich

View

QuickEnrich is a B2B email finder tool and API with 130M+ contacts, including mobile numbers, enabling better coverage and more deals closed. Start for free to target your entire ICP and grow your business.

Best For

Startups
Scale-ups
SMBs
RapidAPI

RapidAPI

Discover, publish, and monetize APIs effortlessly.

View

Pricing

Pricing not listed; talk to sales.

Key Features

Find the perfect API easily
Publish your own APIs
Drive new API revenue streams
RapidAPI

RapidAPI

View

Nokia API Hub, formerly RapidAPI, offers the world’s largest public API marketplace to discover, publish, and monetize APIs efficiently. Access 83K+ APIs and manage 8B+ monthly calls seamlessly.

Best For

Startups
SMBs
Mid-market
Enterprise
Reverse Contact

Reverse Contact

Reverse Email Lookup for Business

View

Pricing

Starting at $29

Key Features

Reverse email lookup
Real-time contact data
CRM integration made simple
Reverse Contact

Reverse Contact

View

Reverse Email Lookup provides businesses with contact and company data associated with an email address. It gathers professional information, including LinkedIn profiles, company details, and more, using real-time data retrieval and OSINT techniques.

Best For

Startups
Scale-ups
SMBs
Rocketreach

Rocketreach

Find email phone & social media links for anyone

View

Pricing

Starting at $27

Key Features

Verified contact data
Highest data accuracy
AI-powered outreach recommendations
Rocketreach

Rocketreach

View

RocketReach helps sales professionals, recruiters, and business development teams find accurate contact information for potential leads and prospects. It aggregates and verifies email addresses and phone numbers from a vast database, integrating with various platforms and employing AI to enhance lead discovery and engagement automation.

Best For

Startups
Scale-ups
Mid-market
Enterprise
SignalHire

SignalHire

Find Email Addresses &Phone Numbers by Name

View

Pricing

Starting at $125

Key Features

Find verified emails and phones
Bulk search for up to thousand people
Search by name
SignalHire

SignalHire

View

Just a moment... helps the website www.signalhire.com ensure visitors are human. It verifies security before allowing access to the site's content.

Best For

Startups
SMBs
Mid-market
Skrapp

Skrapp

B2B email finder and lead extractor

View

Pricing

Starting at $30

Key Features

Find business emails on LinkedIn
Verify emails with high accuracy
Build targeted B2B lead lists
Skrapp

Skrapp

View

Skrapp.io helps salespeople, B2B account executives, project engineers, business development professionals, H.R. directors, and other users find verified email addresses and company data. It achieves this by letting users build prospecting lists from LinkedIn and Sales Navigator, enriching databases with revenue and headcount information, and providing real-time email health status.

Best For

Startups
SMBs
Mid-market
Snov

Snov

Outreach automation - find validateand email prospects.

View

Pricing

Starting at $29.25

Key Features

Find and collect pre-verified leads
Send personalized cold email campaigns
Reduce bounce rate with verification
Snov

Snov

View

Snov.io allows sales professionals and agencies to find leads, automate outreach, and manage sales processes. It achieves this by providing tools such as an email finder, LinkedIn prospect finder, email verifier, cold email automation, multichannel outreach, sales CRM, and integrations with other platforms.

Best For

Startups
Scale-ups
Agencies
Swordfish

Swordfish

Find Cell Phone Numbers and Email Addresses

View

Pricing

Starting at $99

Key Features

Unlimited mobiles & emails
Find contact info anywhere
Bulk prospect search filters
Swordfish

Swordfish

View

Swordfish helps recruiters, sales professionals, and real estate agents find cell phone numbers and email addresses for prospects. It achieves this by providing a Chrome extension, prospect search tools, file enrichment, reverse lookup, and an API with accurate contact information and real-time validation.

Best For

Startups
SMBs
Mid-market
Tomba

Tomba

Find email addressesin seconds

View

Pricing

Starting at $63

Key Features

Domain search with verified emails
Real-time email verification
Mobile and direct dial numbers
Tomba

Tomba

View

Tomba helps lead generation, recruiting, sales, business development, outreach, and content marketing professionals find and verify B2B email addresses and phone numbers. It accomplishes this by indexing over 450 million email addresses from approximately 76 million domains, offering features like domain search, email finder, email verification, and enrichment, combined with integrations and an API.

Best For

Startups
SMBs
Mid-market
VoilaNorbert

VoilaNorbert

Find anyone's email address

View

Pricing

Starting at $49

Key Features

Find anyone's email address
Verify emails in real-time
Automate email follow-ups
VoilaNorbert

VoilaNorbert

View

Email Finder: Free 50 Verified Email Addresses - VoilaNorbert helps sales teams, business development professionals, recruiters, PR personnel, and content marketers find anyone's email address. It retrieves valid email addresses, given a prospect's name and company URL. It combines several methods to find the best email, regularly updating its database and verifying email accuracy, even providing a certainty score.

Best For

Startups
Scale-ups
SMBs
ZoomInfo

ZoomInfo

B2B Database | Company Contacts & Intelligence

View

Pricing

Pricing not listed; talk to sales.

Key Features

High-quality B2B data
AI-driven sales intelligence
Automated lead routing workflows
ZoomInfo

ZoomInfo

View

Access to this page has been denied prevents bots from accessing a specific webpage. It achieves this by requiring users to confirm they are human, thus blocking automated access.

Best For

Startups
SMBs
Mid-market
Enterprise

Frequently Asked Questions

What is email lookup APIs?

Email lookup APIs verify and find details about an email address quickly using online databases.

What can email lookup APIs do?

They validate emails, find user info, reduce bounce rates, and improve marketing and communication.

How does email lookup APIs work?

They check an email against databases and use algorithms to return validity and related user data.

Is email lookup APIs easy to set up?

Yes, most require simple API key setup and basic integration with your app or website.

Is email lookup APIs free?

Some offer free tiers with limited requests; full features usually require paid plans.

What is the common email lookup APIs pricing?

Pricing typically starts around $10-$30 per month, depending on request volume and features.

What are the types of email lookup APIs?

Common types include email verification, person lookup, domain check, and risk assessment APIs.

Does email lookup APIs work with email?

Yes, they directly work with email addresses to provide validation and detailed information.

What are the best email lookup APIs tools?

Popular tools include Hunter, NeverBounce, and Clearbit for reliable email validation and data.

What are common email lookup APIs integrations?

They often integrate with CRM, marketing platforms, email services, and lead generation tools.