NumVerify
NumVerify is a REST API that validates and enriches phone numbers across 232 countries, operated by apilayer Data Products GmbH in Vienna, Austria. It serves developers, telcos, fintechs, and enterprises including Zoho, Huawei, and Lightspeed via freemium and tiered subscriptions.
- Company typePrivate
- Founded-
- HeadquartersVienna, Austria
- Headcount—
- GTM typeB2B
- OfferingSoftware
What NumVerify does
NumVerify is a single-product REST API that validates and enriches national and international phone numbers across 232 countries, returning real-time results in JSON format. It is operated by apilayer Data Products GmbH, a privately held Austrian company headquartered in Vienna (Oppolzergasse 6/1/4 and Elisabethstrasse 15/5, 1010 Vienna), and is part of the Idera, Inc. group of companies. The underlying technology cross-references phone numbers against regularly updated international numbering plan databases to determine validity, country, location, carrier (e.g., AT&T Mobility LLC), and line type (mobile/landline). All endpoints are secured via 256-bit HTTPS, and the documented Validate endpoint reports ~284.62ms latency with 99.97% availability and a 0.03% error rate.
The company operates a freemium, API-first, product-led go-to-market motion. Self-serve sign-up on numverify.com issues instant API keys, with tiered plans ranging from Free (100 requests/month) to Basic ($14.99/month, 5,000 requests), Professional ($59.99/month, 50,000 requests), Enterprise ($129.99/month, 250,000 requests), and Custom (unlimited). Revenue is generated via recurring subscriptions, usage-based overage charges, and an optional Platinum Support add-on ($479.88–$719.88 annually). Distribution channels include the apilayer API marketplace, a Zapier integration for no-code users, an affiliate program, SEO-driven API glossary content, and social channels operated under the apilayer brand. Named customers and integration references include Zoho, Lightspeed, Huawei, HomeAdvisor, and Sproxil, alongside persona-level segments in telecom, fintech/KYC, CRM, and developer platforms. Revenue, headcount, founding date, and capital structure are not publicly disclosed.
NumVerify firmographics
Firmographics- Name
- NumVerify
- Legal name
- apilayer Data Products GmbH
- Website
- https://numverify.com
- Company type
- Private
- Operating status
- Operating
- Short description
- NumVerify is a REST API that validates and enriches phone numbers across 232 countries, operated by apilayer Data Products GmbH in Vienna, Austria. It serves developers, telcos, fintechs, and enterprises including Zoho, Huawei, and Lightspeed via freemium and tiered subscriptions.
- Ownership category
- akta.pro rank
NumVerify industry classification
Industry- Product category
- Phone Number Validation API
- NAICS
- Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services (518)
- SIC
- Services-Computer Programming, Data Processing, Etc. (7370)
- akta.pro primary industry
- Decentralized Identity (DID) & Verifiable Credentials (BPAMAEAJ)
- akta.pro secondary industry
- Identity Verification (ID, SSN Trace, KYC-lite) (BPACALAD)
Keywords
Where NumVerify is headquartered
LocationHeadquarters
- HQ city
- Vienna
- HQ country
- Austria
- HQ region
- Europe
Offices2 records
Markets served
NumVerify business model
Business model- GTM type
- B2B
- Offering type
- Software
- Cost components
- Technology or R&D, Personnel, Operations, Marketing or Sales, Infrastructure
Revenue model
- Subscription Plans: Tiered subscription model with monthly or annual billing. Plans include Free (100 requests/month), Basic ($14.99/month for 5,000 requests), Professional ($59.99/month for 50,000 requests), and Enterprise ($129.99/month for 250,000 requests). Annual billing provides up to 15% savings.
- Usage-based Overage Charges: When users exceed monthly API request quotas, overage fees apply per additional call (e.g., $0.011992 per call for Basic plan). Automatic notifications at 75%, 90%, and 100% usage thresholds before overage charges begin.
- Platinum Support: Optional premium support tier offered as add-on to paid plans. Includes dedicated account team, priority bug fixes, quarterly briefings with Product Management, and priority roadmap input. Priced at $479.88-$719.88 annually depending on plan tier.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Freemium | Monthly | Free Plan - 100 requests/month |
| Subscription | Monthly | Basic Plan - 5,000 requests/month |
| Subscription | Monthly | Professional Plan - 50,000 requests/month |
| Subscription | Monthly | Enterprise Plan - 250,000 requests/month |
| Subscription | Multi-year contract | Custom Enterprise - Unlimited requests |
Go-to-market motion2 records
Distribution channels4 records
Marketing channels6 records
NumVerify product offering
Product offeringCore offering
NumVerify is a RESTful JSON API that validates national and international phone numbers across 232 countries in real-time. The API cross-references submitted numbers against regularly updated international numbering plan databases and returns a single JSON response containing validation status, local format, E.164 international format, country code, country name, location, carrier, and line type (mobile/landline). The service is delivered through tiered subscriptions (Free, Basic, Professional, Enterprise) with usage-based overage charges and an optional Platinum Support add-on, all accessed via simple URL structure with 256-bit HTTPS encryption.
Product overview
NumVerify is a single-product API offering focused exclusively on phone number validation and lookup services. The NumVerify API is the core product—a real-time RESTful JSON API that validates phone numbers across 232 countries using international numbering plan databases. The service processes numbers in real-time, cross-checking against carrier data, line type data, and location information, then returns validation results in portable JSON format. No separate modules, add-ons, or sister products are offered under the NumVerify brand; the service is available through tiered subscription plans (Free, Basic, Professional, Enterprise) with varying API request volumes.
Differentiator
Problem solved
Functional benefit
Products and services
- NumVerify API A RESTful JSON API for real-time national and international phone number validation and lookup supporting 232 countries. The API validates submitted numbers against up-to-date international numbering plan databases and returns a JSON payload containing validation status, local format, E.164 international format, country code, country name, geographical location, carrier, and line type (mobile/landline). It is intended for developers and businesses integrating phone verification at user registration, contact database cleansing, fraud prevention, SMS routing, and KYC onboarding use cases.
Quantifiable outcome
- 99.9% API uptime
- +2 more outcomes
Companies that use NumVerify
Customer profileNamed customers5 records
Segments4 records
Ideal customer profiles4 records
NumVerify technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- Yes
- API docs
- API detail
Core technology
AI maturity
App detail
Integration1 record
Feature7 records
NumVerify partnerships and signals
Strategic signalPartnerships
Two partnerships are on record, tiered core.
- ZapiercoreNumverify is available as a Zapier integration app, allowing users to incorporate phone number validation into automated workflows without coding. This integration connects Numverify with thousands of other applications available on the Zapier platform.
- apilayercoreNumverify API is a product built and maintained by apilayer, an Austrian technology company. The product operates within the apilayer API marketplace ecosystem alongside other API products including currencylayer, vatlayer, and screenshotlayer. apilayer provides infrastructure, support, billing, and distribution for Numverify.
Scale indicators4 records
Recent moves6 records
Expansion highlights2 records
NumVerify competitors and assessment
Company assessmentDirect peers
- Veriphone: Veriphone provides a JSON phone number validation and verification API with international coverage. It competes directly with NumVerify for developer and SMB customers looking for a lightweight phone-validation API.
- AbstractAPI Phone Validation: AbstractAPI offers a phone validation and lookup REST API focused on SMB and developer customers with tiered subscription pricing. It is one of NumVerify's closest direct competitors in the standalone phone-validation API category.
Broad incumbents
- MessageBird (Bird) Lookup: Bird (formerly MessageBird) offers phone number lookup and validation APIs as part of its omnichannel communications platform. Comparable to NumVerify in core capability but bundled into a wider CPaaS offering targeting enterprise customers.
- Cloudflare Phone Number Validation: Cloudflare's API ecosystem includes phone validation capabilities used to authenticate users across its network services. As a major infrastructure incumbent, Cloudflare represents a competitive threat both as a peer for the phone-validation use case and as a broader platform into which this functionality can be bundled.
- Vonage Number Insight: Vonage's Number Insight API delivers real-time phone number validation, formatting, and roaming info as part of the Vonage communications API portfolio. It is a direct functional peer for phone validation APIs, though Vonage sells it as part of a broader enterprise communications stack.
- Plivo Phone Number Lookup: Plivo provides a Lookup API for phone number validation and formatting as part of its cloud communications platform. It serves developers and enterprises with similar use cases to NumVerify's customer base.
- Twilio Lookup: Twilio's Lookup API provides phone number validation, carrier, and line-type intelligence as part of the broader Twilio CPaaS platform. It is the largest incumbent in the phone-validation API space and bundles the same core capability NumVerify offers within a much wider communications suite.
Emerging players
- WhatsApp Business API Providers (e.g., MessageBird/Wati): Providers of messaging APIs (Wati, MessageBird WhatsApp) often include phone number validation as a precursor step. They compete indirectly for the same phone-validation-onboarding budget that NumVerify serves.
- ipdata.co: ipdata offers a suite of data APIs including phone and IP intelligence for developers. It overlaps with NumVerify on developer-focused phone/geolocation data APIs with similar freemium, self-serve distribution.
Others
- Ekata (Mastercard) Identity Verification: Ekata, a Mastercard company, provides identity verification APIs that include phone intelligence as part of broader KYC and fraud-prevention workflows. It is an adjacent player whose phone-related capabilities compete for the fintech and KYC use cases NumVerify serves.
Market position
Strengths4 records
Weaknesses4 records
Competitive moat4 records
Key risks5 records
Key highlights7 records
Customer concentration
NumVerify social profiles
Digital presenceNumVerify financial estimates
Financial estimateRevenue estimate
Valuation estimate
NumVerify leadership team
Management profileNumber of profiles
NumVerify funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
NumVerify M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about NumVerify
What does NumVerify do?
NumVerify is a RESTful JSON API that validates national and international phone numbers across 232 countries in real-time. The API cross-references submitted numbers against regularly updated international numbering plan databases and returns a single JSON response containing validation status, local format, E.164 international format, country code, country name, location, carrier, and line type (mobile/landline). The service is delivered through tiered subscriptions (Free, Basic, Professional, Enterprise) with usage-based overage charges and an optional Platinum Support add-on, all accessed via simple URL structure with 256-bit HTTPS encryption.
Is NumVerify a public or private company?
NumVerify is a private company. It is classified as corporate owned and is currently operating.
When was NumVerify founded?
NumVerify was founded in -1.
Where is NumVerify based?
NumVerify is headquartered in Vienna, Austria, in the Europe region.
How does NumVerify make money?
Three revenue lines are on record. Subscription Plans are the primary driver. The others are usage-based Overage Charges and platinum Support.
Who are NumVerify's main competitors?
Direct peers on record are Veriphone and AbstractAPI Phone Validation. Broad incumbents are MessageBird (Bird) Lookup, Cloudflare Phone Number Validation, Vonage Number Insight, Plivo Phone Number Lookup and Twilio Lookup. Emerging players are WhatsApp Business API Providers (e.g., MessageBird/Wati) and ipdata.co. Ekata (Mastercard) Identity Verification is listed as an others.
Does NumVerify have an API?
Yes. NumVerify is a RESTful JSON API for real-time phone number validation and lookup supporting 232 countries. The API validates national and international phone numbers by cross-referencing with international numbering plan databases. API requests are made via a simple URL structure: https://apilayer.net/api/validate?access_key=YOUR_ACCESS_KEY&number=+14158586273. Authentication uses a unique Access Key per user. Responses are delivered in JSON format containing validation result, local format, international format, country code, country name, location, carrier, and line type (mobile/landline). The API supports prettyprint JSON responses, JSONP callbacks, and Access-Control headers. 256-bit HTTPS encryption is standard across all plans. Response example shows approximately 284.62ms latency with 99.97% availability. Developer documentation is at docs.apilayer.com/numverify/docs/api-documentation.
What industry is NumVerify in?
NumVerify's product category is Phone Number Validation API. Its primary akta.pro industry code is BPAMAEAJ, Decentralized Identity (DID) & Verifiable Credentials, with a secondary code of BPACALAD, Identity Verification (ID, SSN Trace, KYC-lite). Its NAICS code is 518 and its SIC code is 7370.