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Twilio (SendGrid) Review

Depends

Should I use Twilio (SendGrid)?

SendGrid's trusted email API and marketing campaigns platform is now available through Twilio.com. - sendgrid.com

· 1 month ago

Buy it if you have developers embedding high-volume SMS, voice, or email into a product, with fraud controls and usage alerts. Skip it if you want simple, cheap texting or responsive support without engineering help.

Confidence

High. Based on 30+ public sources including G2, Reddit, Trustpilot, Capterra, NVD, and SecurityWeek.

Ratings

  • Value for money
  • Ease of use
  • Feature depth
  • Support quality
  • Security posture

Pricing

from $19.95/mo

SendGrid Email API

ModelNot disclosed
Monthly feesNot disclosed
HardwareNot disclosed
Pay-as-you-go Messaging$0.0083 per US SMS segment

Best for

  • Developer teams embedding SMS/voice/email APIs
  • High-volume transactional messaging
  • Multi-channel customer engagement products
  • Teams with engineering resources and fraud controls

Not for

  • Small businesses sending occasional texts — overkill and complex
  • Non-technical teams: it's an API, not a texting app
  • Tight budgets without usage alerts — hijacked accounts rack up charges
  • Anyone needing responsive customer support

Gotchas - check before you buy

high

Usage-based billing plus fraud means compromised accounts bill fast — one user lost $3,000 to API abuse

high

Authy breach exposed 33M phone numbers — a trust issue if you send OTPs through Twilio

medium

Cheaper rivals (Telnyx, Plivo) claim 30–40%+ savings on identical APIs — factor migration costs before committing

medium

Verification and activation friction: some users say Twilio 'doesn't want my money' after weeks of waiting

Pros and cons

Pros

  • 4.2/5 across 1,917 verified G2 seller reviews
  • Per-message rates among the lowest reviewers have found
  • Powerful, reliable platform supporting nearly every communication channel
  • Quick to get started for basic integrations

Cons

  • Customer service repeatedly described as horrible by developers
  • Users report scam-like surprise charges and billing disputes
  • Painful to scale for some users despite good start
  • Same APIs available 2x cheaper from competitors
  • Painful onboarding: users report slow activation and abandonment

Sources & method

- 10 sources - Active issues: Authy breach (33M numbers), webhook replay CVE, integration auth bypass, account takeovers via API abuse.

official x2review x5security x3
  • Authy data breach, Hackers leaked 33M Authy user phone numbers; Twilio confirmed the breach.
  • CVE-2026-4984, Twilio integration webhook handler authentication bypass allowing information disclosure.
  • CVE-2026-32053, Attackers can replay Twilio webhook events.
  • Account takeovers via API abuse, Users report compromised accounts with thousands in unauthorized charges.

Key stats

  • Value for money: 3/5

    Rating

  • from $19.95/mo

    Starting price

  • 10

    Sources

  • Analyzed

  • Value for money: 3/5. Low per-message rates, but rivals claim 2x cheaper
  • Ease of use: 3/5. Fine to start, harder at scale per users
  • Feature depth: 5/5. Supports almost every communication channel
  • Support quality: 2/5. Customer service widely panned by developers
  • Security posture: 2/5. Authy breach, webhook replay CVE, account takeovers
  • 4.2/5 G2 rating 1,917 verified seller reviews
  • $19.95/mo Starting price SendGrid Email API paid plans
  • $0.0083 US SMS rate per segment, pay-as-you-go
  • 2008 Founded public company, 9,328+ companies detected using it

Pricing

SendGrid Email API

from $19.95/mo

  • Email API and marketing campaigns
  • Paid plans, usage scales

Pay-as-you-go Messaging

$0.0083 per US SMS segment

  • Per-message pricing
  • Phone numbers billed separately

Security

Active issues: Authy breach (33M numbers), webhook replay CVE, integration auth bypass, account takeovers via API abuse.

  • Authy data breachHackers leaked 33M Authy user phone numbers; Twilio confirmed the breach.⁵
  • CVE-2026-4984Twilio integration webhook handler authentication bypass allowing information disclosure.⁷
  • CVE-2026-32053Attackers can replay Twilio webhook events.⁶
  • Account takeovers via API abuseUsers report compromised accounts with thousands in unauthorized charges.

What users say

Developers praise the platform's breadth and reliability but consistently complain about support quality, surprise charges, and scaling friction.

“TWILIO is a SCAM, the fake cyber attacks so they can run up charges”
Reddit, r/VOIP
“Twilio is absolutely HORRIBLE. Their customer service sucks, their dev...”
Reddit, r/twilio
“Makes SMS and email automation easy and affordable!”
Capterra user review

Companies that use it

  • Toyota Connected
  • Central Group
Full analysis

Based on 30+ public sources including G2, Reddit, Trustpilot, Capterra, NVD, and SecurityWeek.

Powerful developer-grade comms API. Great if you code; risky if you want simple texting without surprise bills or weak support.

Methodology

Based on 30+ public sources including G2, Reddit, Trustpilot, Capterra, NVD, and SecurityWeek.

Read how a report is made.

Sources

  1. Twilio Products | Read 1917 Reviews on G2g2.com
    review
  2. Is Twilio a scam or WTF? : r/VOIPreddit.com
    review
  3. Twilio Messaging Review — business.combusiness.com
    review
  4. Twilio Reviews and Pricing (2026)happyrobot.ai
    review
  5. Twilio Confirms Data Breach After Hackers Leak 33M Authy User Phone Numberssecurityweek.com
    security
  6. NVD-CVE-2026-32053 - NISTnvd.nist.gov
    security
  7. CVE-2026-4984: Twilio Integration Information Disclosuresentinelone.com
    security
  8. Twilio Pricingtwilio.com
    official
  9. Twilio SMS Review (2026): Pricing, API and Verdict — DDIYddiy.co
    review
  10. Switch from Twilio to Telnyxtelnyx.com
    official

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