BlitzAPI

Clearbit builds business intelligence APIs. Retrieve social data from emails and look up company information from domains.

FullContact offers developers powerful contact management APIs to you turn partial contact information into full contact data. Query by email, phone, or company domain and receive rich company data in response.

Kickbox ensures you only send email to real users and helps you separate the low-quality addresses from high-value contacts. Protect your reputation, increase open rates, and save money with Kickbox.

Using only real-time verification, NeverBounce offers the highest accuracy. No historical data used. Under a penny per email. We’ll beat any major competitor’s pricing.

It allows you to upload and validate lists of email addresses quickly and in a secure way. All you have to do is upload an email list to it's web interface. It also offers API.

Stay out of trouble. Validate your email addresses before you send. BriteVerify can reduce your bounce rate by 98% and help your messages get delivered. So stop bouncing and start converting your prospects into customers with BriteVerify True Email Verification™.

It is a cloud-based email filtering service that helps protect your organization against unknown malware and viruses by providing robust zero-day protection, and includes features to safeguard your organization from harmful links in real time.

It removes invalid emails from your list to prevent email bounces from ruining your deliverability. It removes known email complainers and spam traps from your list. It appends missing data such as first and last name, location, gender or city, state/region, country when the registration IP is provided.

Proofy.io — bulk email cleaning service. With proofy you avoid bounces, catch-all, dead emails. You increase email deliverability, save your domain email, enhance open rate.

It is an email security gateway product. It is designed to detect and block a wide variety of email-borne threats, such as malware, spam and phishing attempts.

It is an app that makes it fast and easy to add a new contact or look up an existing one. It works on both the iPhone and iPad, and it’s simple enough to use that it may actually make you want to manage your contacts.

It is an email finder & validation tool that lets you find email addresses in seconds and connect with people that matter most to your business.

It is an end-to-end sales solution that provides companies with a way to generate, qualify, deliver, and convert leads. It helps sales teams grow and scale across all levels of the sales process.

Email list verify provides a 97% match rate and no false positives. You can verify emails within your application or website with our real-time API.

Datanyze crawls millions of the web's top websites to determine which web technologies they use, then serves that data to its users in valuable ways.

Normalize emails for uniqueness validation. This will convert the email to lowercase, remove dots (.), and plus signs followed by arbitrary strings (+foobar).

It is an email validation tool for busy businesses. It is fully automated, completely hands-off, this email verification tool does it all for you. Simply connect an email service provider, set some options, and that's it. From that point on it cleans the email lists automatically and keeps them protected from invalid email addresses.

Free email checker and email verification with 99.9% accuracy. Reduce bounces, protect sender reputation. 100 free email verification credits daily.

Free email verifier & checker to validate email addresses instantly. Reduce bounces and verify emails in real time.

MTN Email Verifier is a high-performance tool for ensuring that your email communications reach the right inboxes every time. With the rise of email marketing and automated outreach, maintaining a clean list of deliverable email addresses is crucial. MTN Email Verifier combines syntax validation, domain checks, and server-level SMTP verification to deliver a reliable, real-time solution.

Email opens you up to threats. Protect yourself against malware and time-wasting spam. Get 14 anti-spam filters, 5 anti-virus engines plus malware scanning in one email security package

An application to clean your subscription list from bounces, and enrich data about customers.

It is an email validation platform that helps companies protect their reputation as a sender and avoid deliverability issues that make them lose sales.

It provides powerful APIs to automate common dev tasks. We make it easy to validate emails, geolocate IPs, calculate VAT, compress images and more. We focus on an awesome dev experience with top documentation and support, and provide free and paid plans.

It is a business anti spam gateway installed between your mail infrastructure and the Internet. It offers very good protection against viruses and eliminates up to 99% of spam.

Email validation and verification tool providing highly accurate results. Validate, verify & clean your email list in real-time.

The fastest way to find, enrich, and export local leads. Get social handles, contact info, and verified business data instantly.

MTN DATA is a powerful data verification and enrichment platform designed for businesses that rely on accurate professional and company information. It provides real-time API checks, batch processing, and AI-driven enrichment to ensure every record is complete, validated, and trustworthy.

#1 Waterfall Enrichment platform with 20+ providers. Find emails and phones of people you want to do business with.

MailOdds is a privacy-first email validation API built for developers. Verify emails in under 300ms with SMTP verification, disposable detection, catch-all identification, and bulk validation. EU-hosted, GDPR compliant, 11 SDKs.

AI-powered sales intelligence that aggregates 10+ data sources. Research prospects in seconds, not hours.

Clickmodus helps B2B companies identify which organisations are visiting their website, even if those visitors never fill out a form. Most website traffic is anonymous. Buyers research solutions, compare options, and browse pricing pages long before they reach out. Clickmodus surfaces the companies behind that traffic and turns it into actionable intent signals for sales and revenue teams. Once installed, Clickmodus reveals company-level visitor data, pages viewed, and behavioural signals that indicate buying interest. Teams can route high-intent accounts into their CRM, trigger alerts for sales, and prioritise outreach based on real website activity. Instead of waiting for demo requests, B2B teams gain visibility into who is already researching them. Clickmodus is designed for SaaS, fintech, cybersecurity, and enterprise-focused companies that rely on account-based selling. It integrates with tools like HubSpot, Salesforce, and Slack, making it easy to embed intent data into existing workflows. For revenue teams looking to convert more of their existing traffic into pipeline, Clickmodus turns anonymous visits into qualified opportunities.

The most complete SaaS dataset for agencies, SDRs, and marketers. Find companies based on hiring, traffic, and tech stack data - all in one place.

Detect temporary emails with explainable AI. 95%+ accuracy, <500ms API, governance tools, and appeals management. 10 free email checks. Start now.

Hypermail is a cold email marketing solution. We handle all aspects of email marketing. Whether it is a self service account or if need us to manage the whole campaign. We offer an easy to use platform, with an API, and built for resellers/whitlelabel. In addition, we stay up to date with latest technologies, and offer built AI features to improve your campaigns. Secondary offerings include, email list verification, Smart Relay which allows you to connect multiple esps via SMTP to send your campaigns, B2B data, and last SMS/MMS for political campaigns.

Re KYC Online solution provides a facility for financial institutions to make paperless KYC modifications and updations seamlessly for all customers.

KokoQuest helps users discover and build lists of real companies that match highly specific business criteria. It supports natural-language searches for manufacturers, suppliers, service providers, partners, or customers, and returns ranked company lists with relevance scoring. KokoQuest covers the full workflow from company discovery to contact enrichment and email drafting, allowing users to go from search intent to outreach-ready leads in one place. Through its Gmail integration, the AI can translate a user’s intent into a ranked list of relevant companies, automatically enrich each with contact details, and draft a personalized email ready to send directly from Gmail. Unlike static lead databases, KokoQuest is designed for niche and hard-to-define markets where coverage is inconsistent or incomplete. It is useful for finding regional providers, contract manufacturers, private-label partners, and specialized B2B services that are often missing from traditional sales tools.

EfficientPIM is the premier platform for scraping B2B emails from the public web. We replace expensive, stale lead databases with a live AI extraction engine. Our system scans the open web in real-time to generate verified B2B email contacts for sales teams, agencies, and marketers. Instead of manually searching LinkedIn or buying expensive subscriptions, users simply describe their ideal target audience in natural language — for example, “SaaS founders in the UK” or “Dentists in California.” EfficientPIM’s AI then collects, verifies, and deduplicates relevant business email addresses and delivers them in a clean, ready-to-use CSV file. The platform focuses on accuracy and deliverability, offering up to 95% verified emails to reduce bounce rates and improve outreach performance. EfficientPIM supports global targeting, niche-specific searches, and scalable lead generation for cold email campaigns, sales prospecting, and marketing automation. With simple pay-as-you-go pricing and no mandatory monthly subscriptions, EfficientPIM is a cost-effective alternative to traditional lead databases and scraping tools — helping teams save time, reduce costs, and close more deals faster.

Instantly Aadhaar & PAN fetch through digiLocker API with Meon Technologies. Ensure 99% accuracy, faster KYC, and fraud-free digital onboarding.

Discover how our AI-powered lead finder boosts sales and targets high-quality leads. Perfect for B2B and local businesses. Try it today!

Forward any lead email to leadqualify@aileadqualify.com and get an instant AI briefing on the prospect.

Keep sender reputation in check and maximize deliverability with MailerCheck! A complete suite of professional email deliverability tools including reputation monitoring for blocklists and DMARC, email verification, inbox placement and more

It is an email validation service that can be used to check whether the address exists or not. It validates email lists to get rid of undeliverable emails so that it helps to maximize every marketing campaign potential and lower the bounce rate.

It helps protect sender reputation and achieve better ROI for your email campaigns. It removes invalid and risky emails that hurt your reputation. You may clean the entire list in one go or you may use REST API to verify one email at a time before they enter your mailing list through sign-ups or contact forms where you collect email addresses from.

It is an API service that helps in identifying disposable/temporary email address, scam emails, email health, free or a company domain, IP health check, location detection and phone number validation services. Our clients are able to ensure that they are able to ensure the quality of their inbound leads from their online forms and their sales team spend their effort on the right leads.