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Twilio Lookup vs Vonage

Pricing, features, platforms and who each one suits — side by side.

TTwilio LookupFree trialVisit site
VVonageFree trialVisit site
VS
T

Choose Twilio Lookup if…

  • you're in its core audience: developers, fraud and risk teams
V

Choose Vonage if…

  • you work on iOS, Android
  • you're in its core audience: software developers, saas product teams

Side by side

Feature Twilio Lookup Vonage
Pricing modelFree trialFree trial
Starting price——
Free plan
Free trial
API
Open source
PlatformsAPI, WebWeb, API, iOS, Android
CategoryNumber lookup & HLRCPaaS & OTP APIs
CompanyTwilioVonage
Full feature lists

T Twilio Lookup

  • Phone number format validation
  • Carrier and provider lookup
  • Line type and line status detection
  • SIM swap fraud signals
  • SMS pumping and bot attack prevention
  • Risk signals for adaptive authentication
  • Active consent information for contact numbers

V Vonage

  • Voice API with IVR, WebSockets and speech-to-text
  • Text-to-speech in over 50 languages
  • Video API and low-code Meetings API
  • Messages API for SMS, RCS and WhatsApp
  • Verify API with Silent Authentication
  • SIP trunking and in-app voice SDKs
  • AI Studio drag-and-drop conversational flow builder
  • CAMARA-based network APIs for identity and location

Their home pages

What each vendor shows first: the pitch, the plans and the sign-up.

Twilio Lookup home page
T Twilio Lookup · twilio.com
Vonage home page
V Vonage · vonage.com

What you'd pay

The cheapest plan that fits, per month, billed yearly where the plan offers it.

Twilio Lookup

Pay as you goStarts at $0.01 per inbound caller identification request

Vonage

Free trial. Plan details aren't published.

Strengths and limitations

Twilio Lookup

  • Basic number format validation is described as free to use
  • Free trial with no credit card required
  • One API covers deliverability and fraud signals
  • Works with Twilio Verify, SMS and Voice products
  • Developer API only, with no standalone no-code interface described
  • Advanced data attributes are billed separately from the free validation

Vonage

  • Covers voice, video, messaging and verification in one platform
  • Client and server SDKs for web and mobile
  • Migration guides from Twilio
  • Low-code AI Studio for conversational flows
  • Usage-based API pricing makes costs harder to predict
  • 10DLC registration needed for US SMS

More comparisons

Other options to consider

T
Telnyx Number Lookup website
Paid
T

Pay-per-query phone number API for carrier, line type, LRN and CNAM data

Number lookup & HLRAPI
H
HLR Lookups websiteH

Real-time HLR, MNP and number type lookups via web client and API

Free trial
H
HLR Lookups website
Free trial
H

Real-time HLR, MNP and number type lookups via web client and API

Number lookup & HLRAPI
S
Sinch websiteS

Messaging, voice, email and verification APIs for businesses and developers

Free trial
S
Sinch website
Free trial
S

Messaging, voice, email and verification APIs for businesses and developers

CPaaS & OTP APIsAPI
P
Plivo websiteP

Voice AI agents and carrier-grade telephony APIs for businesses and developers

Free trial
P
Plivo website
Free trial
P

Voice AI agents and carrier-grade telephony APIs for businesses and developers

AI voice agents & IVRAPI
V
Vapi websiteV

Developer platform to build, test and deploy voice AI agents for phone calls

Free, from $29/mo
V
Vapi website
Free, from $29/mo
V

Developer platform to build, test and deploy voice AI agents for phone calls

AI voice agents & IVRFree planAPI

Facts from each vendor's public pages, prices checked Nov 14, 2026. Editorial policy