
Numverify
Veriphone
Antideo
Truecaller
RealPhoneValidation
RealValidito
Clearout Phone
Kaspr.io
Hunter.io
Apollo.io
Snov.io
Lusha
ZoomInfo
Clearbit
AnyMailFinder.com
ZeroBounce
NumVerify offers an extensive yet straightforward RESTful JSON API for a total of 232 countries around the world for domestic and international mobile number validation and information search. It is one of the reasonably priced API numbers. Additionally, it offers sophisticated capabilities like location lookup, carrier & line type detection, and intelligent phone number validation utilizing the most recent international numbering plans. For the best phone verification API, go to www.numverify.com.
Numverify
Hunter.ioI often use the Hunter Google Chrome extension to assist me in discovering the contact details of new outreach targets. The only drawback is that I quite often exceed my free monthly allowance of lead requests.
Based on our record, Hunter.io seems to be a lot more popular than Numverify. While we know about 155 links to Hunter.io, we've tracked only 11 mentions of Numverify. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
Overview: Numverify provides global phone number validation with extensive coverage of countries and carrier detection. Its real-time validation ensures businesses only process legitimate numbers. - Source: dev.to / over 1 year ago
Phone number carrier lookup APIs are indispensable tools for SaaS platforms, telecom providers, and application developers aiming to optimize call routing and security. By integrating these APIs, businesses can improve customer communication, prevent fraud, and reduce costs effectively. To explore reliable lookup solutions, visit Numverify today. - Source: dev.to / over 1 year ago
Numverify โ Global phone number validation and lookup JSON API. 250 API requests/month. - Source: dev.to / over 3 years ago
As the name implies, phone confirmation APIs are used to verify contact information. Phone numbers are checked for validity and continued use by verification APIs and services (i.e., they exist). They can also be used to identify geographic data and standardize phone numbers for regulatory purposes. The phrase phone verification API is extremely broad. - Source: dev.to / almost 4 years ago
This technology can be used in combination with other security measures to further protect your privacy and prevent fraudsters from getting through to you. When it comes to privacy and security, there are a few things more important than keeping your phone number safe. That's why reverse phone API can be such a valuable tool. By using this technology, you can keep your number hidden from public view, making it... - Source: dev.to / about 4 years ago
A few things worth flagging: PDL beats Clearbit's historical rates for US and Western European companies, but drops to ~52% match rate for Japan and South Korea specifically. Apollo underperforms on raw company matching but returns significantly more contacts per domain in Prospector-style queries than Clearbit's Prospector ever did โ the tradeoff is more stale titles in the result set. Hunter.io is fast and cheap... - Source: dev.to / about 1 month ago
The real conclusion I'd push back on from every vendor comparison I've read: there is no single tool that solves reverse lookup at 80%+ accuracy with clean data. The waterfall is the answer. The question is whether you build it yourself with PDL + Hunter.io + Prospeo, or use a platform like Clay to abstract the plumbing โ and whether you're willing to pay FullEnrich's premium for that abstraction. - Source: dev.to / about 2 months ago
Last year I ran the same LinkedIn Sales Navigator export through three enrichment APIs. Apollo matched 61% of the emails. Hunter.io matched 54%. An OSINT-first pipeline I'd built in n8n โ pulling from public sources before hitting any paid API โ matched 79% and cost roughly $0.003 per contact. The delta wasn't magic. It was sequence. - Source: dev.to / 2 months ago
Start with diligent email list hygiene. Remove invalid, dormant, or unengaged addresses regularly. Use free verification tools like NeverBounce or Hunter.io โ many of which offer limited free API calls โ or build your own heuristics. - Source: dev.to / 5 months ago
By putting a mailto link out there, you also share your contact details with any legitimate outreach specialists that wish to reach you. Finding all your company emails hidden in the html code is as easy as a single tap on a hunter.io widget (many similar tools are also available). - Source: dev.to / almost 2 years ago
Veriphone - Phone number validation & carrier lookup
Apollo.io - Apolloโs predictive prospecting, sales engagement, and actionable analytics help the teams to reach its full revenue potential.
Antideo - Email, IP address and phone number validation API service
Snov.io - Snov.io is a multichannel lead generation and outreach automation platform that helps B2B teams find qualified leads, automate email and LinkedIn campaigns, and manage deals in one built-in CRM.
Truecaller - Find a person by a name or phone number worldwide for free using Truecaller.
Lusha - Search less. Sell more.