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features
design
support

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Description

Crafting Customer Journeys Through Meaningful Conversations. Delivering compelling experiences that align with your customers' needs. Favored by developers and designed for enterprises. Vonage Communications APIs (previously known as Nexmo) empowers emerging startups and nimble organizations to elevate customer interactions and achieve significant business results at scale. With our user-friendly APIs, comprehensive global platform, and dedicated support, you can simplify communication complexities and drive innovation at a quicker pace. Rethink voice communication to transform how your customers engage with your brand. Each message can become a pivotal moment for both your customers and your organization. Advance security and privacy measures while providing smooth login experiences. Develop contemporary, high-quality voice applications hosted in the cloud. Effortlessly send and receive SMS messages in nearly every nation worldwide. Access real-time insights on any phone number across the globe. Initiate and receive calls using your current VoIP system, all from the cloud, ensuring flexibility and efficiency. This holistic approach not only enhances user engagement but also fosters long-term relationships with your audience.

Description

NumberChecker is a cloud-driven service designed for bulk contact verification, catering to marketers, agencies, lead-generation teams, CRM and sales operations, email marketers, call centers, and developers. Users can effortlessly upload lists in CSV or text format and select from various checks, including phone number status, WhatsApp account and activity, Telegram status, and email address verification for platforms like Gmail, Yahoo, and Outlook. After the checks are completed, users can conveniently download the results, which are clearly labeled. The platform's dashboard facilitates list-based workflows where checks are billed using prepaid credits, eliminating the need for a monthly subscription. Furthermore, it offers an approval-based REST API that allows for job submissions, status updates, callbacks, and result downloads. The service accommodates uploads ranging from 2,000 to 1,000,000 entries, adhering to the specific limits of the account and service. Importantly, users must ensure they have the legal right to process the uploaded data and conduct outreach in compliance with relevant laws. This comprehensive service streamlines the verification process, making it an essential tool for any organization looking to maintain clean and accurate contact lists.

API Access

Has API No 

API Access

Has API Yes 

Screenshots View All

Screenshots View All

Integrations

AWeber Yes 
ActiveCampaign Yes 
CREDITONLINE Yes 
Constant Contact Yes 
Drift Yes 
Facebook Yes 
FullContact Yes 
HubSpot Customer Platform Yes 
Instatus Yes 
Integrated MLM Software Yes 
MailerLite Yes 
Microsoft 365 Yes 
Microsoft Dynamics 365 Yes 
Navixy Yes 
Outreach Yes 
Slack Yes 
SmartCar Yes 
Todoist Yes 
Vonage Business Yes 
Zendesk Yes 

Integrations

AWeber No 
ActiveCampaign No 
CREDITONLINE No 
Constant Contact No 
Drift No 
Facebook No 
FullContact No 
HubSpot Customer Platform No 
Instatus No 
Integrated MLM Software No 
MailerLite No 
Microsoft 365 No 
Microsoft Dynamics 365 No 
Navixy No 
Outreach No 
Slack No 
SmartCar No 
Todoist No 
Vonage Business No 
Zendesk No 

Pricing Details

No price information available.
Free Trial No 
Free Version No 

Pricing Details

$1
Pay as you go using prepaid USD credits, with no subscription, commitment, or lock-in. WhatsApp Number Checker costs $1 per 40,000 checks. Other check types range from $1.33 to $13.33 per 10,000, depending on the check. Bulk uploads start at 2,000 records; API checks use the same rates. Larger recurring batches may receive custom rates.
Free Trial Yes 
Free Version No 

Deployment

Web-Based Yes 
On-Premises No 
iPhone App No 
iPad App No 
Android App No 
Windows No 
Mac No 
Linux No 
Chromebook No 

Deployment

Web-Based Yes 
On-Premises No 
iPhone App No 
iPad App No 
Android App No 
Windows No 
Mac No 
Linux No 
Chromebook No 

Customer Support

Business Hours Yes 
Live Rep (24/7) Yes 
Online Support Yes 

Customer Support

Business Hours No 
Live Rep (24/7) Yes 
Online Support No 

Types of Training

Training Docs Yes 
Webinars No 
Live Training (Online) No 
In Person No 

Types of Training

Training Docs No 
Webinars No 
Live Training (Online) No 
In Person No 

Vendor Details

Company Name

Vonage

Founded

2001

Country

United States

Website

www.vonage.com/communications-apis/

Vendor Details

Company Name

Marketing Wala

Founded

2026

Country

Pakistan

Website

www.numberchecker.cloud/

Product Features

Business VoIP

Call Parking No 
Call Recording Yes 
Contact Management No 
Encryption No 
IVR / Voice Recognition No 
Ring Groups No 
SIP Trunking Yes 
Unified Communications No 
Voice Quality Enhancement No 

Cloud Communication Platform

Audio / Video Conferencing No 
Call Center No 
Call Recording No 
Call Routing No 
Chat / Messaging No 
Fax Management No 
File Sharing No 
IVR / Voice Recognition No 

SMS Marketing

2-Way Messaging No 
Artificial Intelligence No 
Contact Management No 
MMS No 
Mass Texting No 
Message Personalization No 
Mobile Coupons No 
Mobile Keywords No 
Polls / Voting No 
Reporting/Analytics No 
Scheduled Messaging No 
Shortcodes No 
Text-to-Win No 

Product Features

Alternatives

Alternatives