shouldiuse.io

VERDICT

Should I use Twilio?

APIs for SMS, RCS, voice, and email, plus conversational AI and identity verification. - twilio.com

Depends. Buy if you have developers building SMS, voice, email, or verification at scale. Non-technical teams wanting to just send texts should use a no-code tool instead.

Confidence

High. Based on 15 public sources: reviews, Reddit threads, official pricing/docs, and security advisories.

Ratings

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

Pricing

Pay-as-you-go

Per use; paid plans from $19.95/mo

ModelNot disclosed
Monthly feesNot disclosed
HardwareNot disclosed

Best for

  • Engineering teams shipping comms features
  • High-volume SMS/voice apps
  • Products needing verification or AI engagement
  • Enterprise contact-center builders

Not for

  • Non-technical buyers wanting a ready-to-use app
  • Small teams sending a few hundred texts
  • Budget-sensitive startups scaling SMS costs
  • Anyone unwilling to write and maintain code

Gotchas - check before you buy

high

Per-message pricing stacks: numbers, usage, and failed-message fees all bill separately

high

Users report $0.50-per-SMS rates and surprise bills as volume grows

high

Account takeovers reported: one user saw $3,000 in unauthorized charges

medium

Premium support plans required for real help; complaints cite slow responses

Pros and cons

Pros

  • SMS, voice, email, AI, and verification APIs on one platform
  • Rated 4.2/5 across ~1,900 G2 reviews
  • picks it as best messaging option
  • Described as powerful and reliable in third-party reviews
  • Trusted at scale — 9,405 companies detected using it

Cons

  • API-first: you must build everything yourself
  • Developers report frustrating debugging and poor SMS coverage abroad
  • Costs scale badly; users report runaway bills
  • Human support requires a paid plan
  • Security record: Authy breach, phishing, exploited vulnerabilities

Sources & method

Analyzed 9/24/2026 - 15 sources - Concerning record: Authy breach exposed 33M phone numbers; CISA flagged an exploited Authy vulnerability; multiple CVEs exist.

official x3review x7security x3news x2
  • Authy data breach — 33M phone numbers leaked, Twilio confirmed a data breach after hackers leaked 33 million Authy user phone numbers.
  • Exploited Authy vulnerability, CISA warned of an in-the-wild exploited Twilio Authy vulnerability.
  • CVE-2026-4984 — information disclosure, Authentication flaw in a Twilio integration allows information disclosure.
  • CVE-2026-32053 — replay attacks, NIST describes attackers replaying Twilio requests.

Key stats

  • Value for money: 2/5

    Rating

  • Per use; paid plans from $19.95/mo

    Starting price

  • 15

    Sources

  • Analyzed

  • Value for money: 2/5. Surprise bills common; rivals advertise 2x+ cheaper
  • Ease of use: 2/5. API-first; developers report painful setup and debugging
  • Feature depth: 5/5. SMS, voice, email, AI, verification under one roof
  • Support quality: 2/5. Human support gated behind paid plans
  • Security posture: 2/5. Authy breach exposed 33M numbers; exploited vulnerability
  • 4.2/5 G2 rating ~1,917 seller reviews
  • $19.95/mo Starting price plus pay-as-you-go usage
  • 2008 Founded CPaaS pioneer
  • 9,400+ Detected customers companies found using Twilio

Pricing

Pay-as-you-go

Per use; paid plans from $19.95/mo

  • Per-message and per-minute rates vary by country
  • Phone numbers billed monthly
  • Failed-message processing fees apply

Security

Concerning record: Authy breach exposed 33M phone numbers; CISA flagged an exploited Authy vulnerability; multiple CVEs exist.

  • Authy data breach — 33M phone numbers leakedTwilio confirmed a data breach after hackers leaked 33 million Authy user phone numbers.10
  • Exploited Authy vulnerabilityCISA warned of an in-the-wild exploited Twilio Authy vulnerability.11
  • CVE-2026-4984 — information disclosureAuthentication flaw in a Twilio integration allows information disclosure.12
  • CVE-2026-32053 — replay attacksNIST describes attackers replaying Twilio requests.

What users say

Developers praise the API breadth and reliability but frequently complain about surprise billing, scaling costs, and support quality.

“Twilio's been fine to get started, but as we scale it's…”
Reddit, r/sysadmin
“Ridiculous, outrageous bill from Twilio.”
Reddit, r/twilio
“Their SMS suck, coverage outside…”
Reddit, r/java

Alternatives

Compare Twilio with each alternative.

  • Fonoster

    Open-source alternative for voice and SMS

Companies that use it

  • CrossFit
  • Central Group
Full analysis

Based on 15 public sources: reviews, Reddit threads, official pricing/docs, and security advisories.

Powerful dev platform for comms APIs — great with engineers, punishing without. Watch billing and its security record.

Methodology

Based on 15 public sources: reviews, Reddit threads, official pricing/docs, and security advisories.

Sources

  1. Twilio Products — G2 reviewsg2.com
    review
  2. Twilio Reviews — G2g2.com
    review
  3. Twilio Messaging Review — Business.combusiness.com
    review
  4. Twilio Reviews and Pricing — HappyRobothappyrobot.ai
    review
  5. Twilio's been fine to get started… — Reddit r/sysadminreddit.com
    review
  6. Ridiculous, outrageous bill — Reddit r/twilioreddit.com
    review
  7. Twilio Pricing — officialtwilio.com
    official
  8. Failed Message Processing Fees — Twilio Helphelp.twilio.com
    official
  9. Support Plans — Twiliotwilio.com
    official
  10. Twilio Authy breach — SecurityWeeksecurityweek.com
    security
  11. Exploited Authy vulnerability — SecurityWeeksecurityweek.com
    security
  12. CVE-2026-4984 — SentinelOnesentinelone.com
    security
  13. Twilio — Wikipediaen.wikipedia.org
    news
  14. Companies that use Twilio — Bloomberrybloomberry.com
    news
  15. Switch from Twilio to Telnyxtelnyx.com
    review

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