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Head-to-head · Phone Verification Software

Plivo Verify vs 2Factor.in OTP API

  • Updated Oct 2026
  • Both researched from official sources
  • 4 checks side by side
Higher score Plivo Verify #6 in Phone Verification Software 8.6/10 Paid ✓ 0 of 4 features Visit Plivo
2Factor.in OTP API #8 in Phone Verification Software 8.4/10 Free plan Free plan✓ 3 of 4 features Visit 2Factor.in

Plivo Verify leads on 0 checks, 2Factor.in OTP API on 1, and 3 are even. Who comes out ahead on the 4 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scorePlivo Verify · 8.6/10
  • Free planonly 2Factor.in OTP API
  • Most features2Factor.in OTP API · 3 of 4

Plivo Verify scores higher on our rubric for phone verification software: 8.6 against 8.4 out of 10; our editors rank them #6 and #8.

2Factor.in OTP API offers free plan; Plivo Verify doesn't.

Plivo Verify is the better fit for mid-market teams needing SMS, voice, and WhatsApp OTPs. 2Factor.in OTP API is the better fit for teams wanting SMS and voice OTP with a free plan.

  • Plivo Verify fits best

    Mid-market teams needing SMS, voice, and WhatsApp OTPs

  • 2Factor.in OTP API fits best

    Teams wanting SMS and voice OTP with a free plan

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Side by side

Feature Plivo Verify 8.6/10 Visit ↗ 2Factor.in OTP API 8.4/10 Visit ↗
At a glance
Editor score 8.6 8.4
Ranking #6 in Phone Verification Software #8 in Phone Verification Software
Best for Mid-market teams needing SMS, voice, and WhatsApp OTPs Teams wanting SMS and voice OTP with a free plan
Pricing model Paid Free plan + paid
Starting price — ₹4,999/mo
Free plan — ✓ (best)
Free trial — —
Deployment Cloud Cloud
Platforms Web Web
Support Phone, Tickets, Docs · 24/7 Email, Live chat, Phone, Tickets, Docs · 24/7
Compliance SOC 2, GDPR, HIPAA, PCI DSS, 2FA ISO 27001, SOC 2
Built for Mid-market, Enterprise Solo, Small business, Mid-market, Enterprise
Features Plivo Verify 0/4 · 2Factor.in OTP API 3/4
SMS verification Not checked yet ✓ (best)
Voice verification Not checked yet ✓ (best)
API access Not checked yet ✓ (best)
OTP expiry control Not checked yet Not checked yet
Specs
Country coverage Not checked yet 190 countries
Verification methods Not checked yet Sms and voice
Our review
Pros
  • Sends OTPs through SMS, voice calls, and WhatsApp
  • Supports session validation, retrieval, and listing
  • Includes delivery callbacks, traffic logs, and SMS-pumping Fraud Shield
  • SMS OTP, voice authentication, and automatic fallback routing
  • REST API, SDKs, sandbox testing, webhooks, and delivery receipts
  • Free Starter plan; Growth adds ₹5,000 in messaging credits
Cons
  • Usage charges vary by destination country and channel
  • WhatsApp availability may depend on destination and account eligibility
  • Direct brands need a minimum monthly commitment for Verify availability
  • Starter is limited to sandbox access and free test credits
  • Growth begins at ₹4,999/month, apart from usage-based messaging rates
  • Enterprise features such as dedicated routes and SSO are on the Enterprise plan
Our verdict

Plivo Verify is a cloud API service for sending and validating one-time passwords, aimed at businesses securing registration, login, and other high-risk actions. Developers can send codes over SMS, voice calls, or WhatsApp, subject to…

Read the review →

2Factor.in OTP API provides REST APIs and SDKs for phone verification and customer communications. It suits teams that need SMS OTP delivery and verification, with voice OTP available for fallback or voice authentication. The service runs…

Read the review →
  1. Plivo VerifyPhone Verification Software 8.6Paid
  2. 2Factor.in OTP APIPhone Verification Software 8.4Free plan

Strengths and trade-offs

  • Plivo Verify — where it wins

    • Sends OTPs through SMS, voice calls, and WhatsApp
    • Supports session validation, retrieval, and listing
    • Includes delivery callbacks, traffic logs, and SMS-pumping Fraud Shield

    Where it doesn't

    • Usage charges vary by destination country and channel
    • WhatsApp availability may depend on destination and account eligibility
    • Direct brands need a minimum monthly commitment for Verify availability

  • 2Factor.in OTP API — where it wins

    • SMS OTP, voice authentication, and automatic fallback routing
    • REST API, SDKs, sandbox testing, webhooks, and delivery receipts
    • Free Starter plan; Growth adds ₹5,000 in messaging credits

    Where it doesn't

    • Starter is limited to sandbox access and free test credits
    • Growth begins at ₹4,999/month, apart from usage-based messaging rates
    • Enterprise features such as dedicated routes and SSO are on the Enterprise plan
  • Plivo Verify8.6/10 · Paid

    A cloud OTP API with three delivery channels, session controls, and SMS-pumping protection.

    Visit PlivoFull verdict →
  • 2Factor.in OTP API8.4/10 · Free plan

    A phone verification API with SMS, voice fallback, and sandbox testing; paid plans start at ₹4,999/month.

    Visit 2Factor.inFull verdict →

More comparisons

All phone verification software comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update