Hacker ApprovedDepartments

Twilio API

The most recommended of 6 messaging APIs

Developers use its API to send texts, make calls and rent phone numbers. The most common caveat is sudden account suspensions and blocked numbers.

Developers use its API to send texts, make calls and rent phone numbers. The most common caveat is sudden account suspensions and blocked numbers.

47 people gave an opinion

recommend it
15
criticize it
32
approval share
32%
Each figure is one person. RecommendsCriticizes

Recommended in 8 of 13 months

  1. November 2025: recommended
  2. December 2025: recommended
  3. January 2026: recommended
  4. February 2026: recommended
  5. March 2026: recommended
  6. April 2026: recommended
  7. May 2026: not recommended
  8. June 2026: recommended
  9. July 2026: not recommended
  10. August 2026: recommended
  11. September 2026: not recommended
  12. October 2026: not recommended
  13. November 2026: not recommended (month in progress)

Owned for 3 years

Median of the 3 owners who said how long they have had it.

Each square is one year.

Why it doesn’t carry the badge

  • 15 people recommend itNeeds 10 or more, met.
  • 0.4 recommenders for every criticNeeds 2 to 1 or better, not met.
  • Recommended in 8 of 13 monthsNeeds 4 or more, met.

The same three rules apply to every product, and the badge can’t be bought. How the badge works

What people say about it

The reasons people give, with the number of comments that give each one. Open a reason to read what they said.

Why people recommend it

Each mark is one comment

  • Protects numbers from SIM-jacking and loss

    “has other added benefits like additional protection from SIM-jacking and being invulnerable to theft or loss of your handset”

    Comment from 18 Mar 2026 in “Hundreds of Millions of iPhones Can Be Hacked With a New Tool Found in the Wild”

    “which has other added benefits like additional protection from SIM-jacking”

    Comment from 20 Mar 2026 in “Hundreds of Millions of iPhones Can Be Hacked With a New Tool Found in the Wild”

    “You would be better off hosting your “phone number “at Twilio and then forwarding that number to a throwaway SIM card”

    Comment from 25 Feb 2026 in “Cell Service for the Fairly Paranoid”
  • Handles porting and integrations well

    “Twilio will be helpful to assist with the port, in my experience”

    Comment from 28 Aug 2026 in “Ask HN: How do we get our US Cellular (T-Mobile?) phone number back? (complex)”

    “probably a good idea to have the Twilio integration ready to go”

    Comment from 3 Apr 2026 in “I Built an SMS Gateway with a $20 Android Phone – Jonno.nz”

    “You could use twillio api + script + llm + voice model.”

    Comment from 14 Dec 2025 in “I fed 24 years of my blog posts to a Markov model”
  • Dedicated numbers forwarded to other lines

    “I'd look into getting a dedicated Twilio number, then just forward incoming texts to your email or something like that.”

    Comment from 15 Dec 2025 in “Price of a bot army revealed across online platforms”

    “You would be better off hosting your “phone number “at Twilio and then forwarding that number to a throwaway SIM card”

    Comment from 25 Feb 2026 in “Cell Service for the Fairly Paranoid”
  • Established, widely used messaging platform

    “Twilio market cap is $35 billion. That's a decent amount of value.”

    Comment from 17 Aug 2026 in “Stripe Clinches over $7B Deal to Buy AI Firm OpenRouter”

    “twilio and I think MailChimp really blazed the way there”

    Comment from 26 Nov 2025 in “Ask HN: What did Stripe change (Value Add)?”

What people warn about

Each mark is one comment

  • Accounts suspended or numbers cancelled abruptly

    “Twilio suspended our account for no reason, charges anywhere from $250 - $5000/month to even access their support”

    Comment from 19 Feb 2026 in “Twilio WhatsApp Is Useless (and the 30 minute guide to saving $5k/month)”

    “my card expired, they never notified me, account went into arrears, and they cancelled my number”

    Comment from 24 Jun 2026 in “We're making Bunny DNS free: because a faster internet won't build itself”

    “Telnyx and Twilio nuked every small or personal accounts at some point”

    Comment from 28 Mar 2026 in “Telnyx v4.87.1 and v4.87.2 are compromised by TeamPCP”
  • Numbers blocked by services and filters

    “Twilio numbers are on a ban list for many services”

    Comment from 15 Dec 2025 in “Price of a bot army revealed across online platforms”

    “sometimes they are flagged VOIP and blocked”

    Comment from 28 Feb 2026 in “OpenAI – How to delete your account”

    “Google verification for example would not accept my Twilio number as verification”

    Comment from 15 Dec 2025 in “Price of a bot army revealed across online platforms”
  • Costly fees and support charges

    “you pay a fee (I think $500) to enable RCS with a third-party only to find out that a small percentage of devices have it enabled making it effectively useless”

    Comment from 19 Nov 2025 in “I just want working RCS messaging”

    “Twilio suspended our account for no reason, charges anywhere from $250 - $5000/month to even access their support”

    Comment from 19 Feb 2026 in “Twilio WhatsApp Is Useless (and the 30 minute guide to saving $5k/month)”
  • Criticized over complicity with customers

    “Isn't Twilio complicit? and isn't it deserved that random Twilio customers, who are funding an illegal organization, get banned?”

    Comment from 26 Oct 2026 in “Somebody please stop the spam texts”

    “Twilio is complicit so it rightly affects the number reputation.”

    Comment from 27 Oct 2026 in “Somebody please stop the spam texts”

Other messaging APIs people recommend

The four most recommended other messaging APIs, with the same counts for each, so you can compare like for like. The tick on each bar marks the 2 to 1 line the badge needs.

Twilio API compared with 4 alternatives
ProductRecommendCriticizeApprovalMonthsOwnedBadge
Twilio APIThis page153232%83 yrs3 owners—
Telegram Bot API11192%7—Approved
Kapso10191%2——
Telnyx API6650%5——
WhatsApp Business API51328%4——
See all 6 messaging APIs, ranked

What people said

40 of the 50 comments that mention it, newest first. Each links to the original comment.

“Twilio is complicit so it rightly affects the number reputation.”

CriticizesComment from 27 Oct 2026 in “Somebody please stop the spam texts”

“it needs to do a better job of not being used to send spam”

CriticizesComment from 26 Oct 2026 in “Somebody please stop the spam texts”

“Isn't Twilio complicit? and isn't it deserved that random Twilio customers, who are funding an illegal organization, get banned?”

CriticizesComment from 26 Oct 2026 in “Somebody please stop the spam texts”

“Twilio is unreliable in dozens of places for non-political reasons”

CriticizesComment from 15 Sep 2026 in “Registration without a phone number on Signal will use zero-knowledge proofs”

“Feels like they re-write the entire user interface every year just for kicks and giggles.”

CriticizesComment from 5 Sep 2026 in “Am I missing something? Is programatically sending SMS globally this bad?”

“Twilio will be helpful to assist with the port, in my experience”

RecommendsComment from 28 Aug 2026 in “Ask HN: How do we get our US Cellular (T-Mobile?) phone number back? (complex)”

“Twilio market cap is $35 billion. That's a decent amount of value.”

RecommendsComment from 17 Aug 2026 in “Stripe Clinches over $7B Deal to Buy AI Firm OpenRouter”

“The rules are now so restrictive that we are forced to stopped using Twilio for text important notification to our my own team.”

CriticizesComment from 11 Aug 2026 in “France to ban unsolicited telemarketing calls”

“now I can give my Claude agent instructions in any format where I have access to it”

RecommendsComment from 9 Aug 2026 in “My server is a phone now”

“Twilio has put up a TON of friction on getting SMS numbers.”

CriticizesComment from 13 Jul 2026 in “Ask HN: What Are You Working On? (July 2026)”

“Demanding customers pay the bill and agree to not dispute any charges they can negotiate a "partial refund"”

CriticizesComment from 9 Jul 2026 in “Twilio API attack leaves customers with upwards $5k charges”

“my card expired, they never notified me, account went into arrears, and they cancelled my number”

CriticizesComment from 24 Jun 2026 in “We're making Bunny DNS free: because a faster internet won't build itself”

“The Twilio API is not really fast as far as I've used it.”

CriticizesComment from 20 Jun 2026 in “Show HN: Phone Number for AI Agents Like Hermes and OpenClaw”

“Google is not the first i've seen doing this (AWS, Upwork, Twilio)”

CriticizesComment from 20 May 2026 in “Ask HN: Shouldn't Google need to give a public statement about Railway incident?”

“Turns out we could not connect to Twilio's API which is IPv4 only.”

CriticizesComment from 16 Apr 2026 in “IPv6 Traffic Crosses the 50% Mark for the First Time”

“Can't say the UX is great but it certainly fixes the whole problem.”

RecommendsComment from 15 Apr 2026 in “Peter Steinberger – WhatsApp CLI: sync, search, send”

“After what twilio did to authy and almost locked me out of my 2fa”

CriticizesComment from 4 Apr 2026 in “I Built an SMS Gateway with a $20 Android Phone – Jonno.nz”

“probably a good idea to have the Twilio integration ready to go”

RecommendsComment from 3 Apr 2026 in “I Built an SMS Gateway with a $20 Android Phone – Jonno.nz”

“Telnyx and Twilio nuked every small or personal accounts at some point”

CriticizesComment from 28 Mar 2026 in “Telnyx v4.87.1 and v4.87.2 are compromised by TeamPCP”

“I've seen this in my career at companies like Segment, Twilio, and Orb.”

MixedComment from 26 Mar 2026 in “The coming PLG to SLG apocalypse”

“which has other added benefits like additional protection from SIM-jacking”

RecommendsComment from 20 Mar 2026 in “Hundreds of Millions of iPhones Can Be Hacked With a New Tool Found in the Wild”

“has other added benefits like additional protection from SIM-jacking and being invulnerable to theft or loss of your handset”

RecommendsComment from 18 Mar 2026 in “Hundreds of Millions of iPhones Can Be Hacked With a New Tool Found in the Wild”

“sometimes they are flagged VOIP and blocked”

MixedComment from 28 Feb 2026 in “OpenAI – How to delete your account”

“You would be better off hosting your “phone number “at Twilio and then forwarding that number to a throwaway SIM card”

RecommendsComment from 25 Feb 2026 in “Cell Service for the Fairly Paranoid”

“Twilio’s built-in speech recog is convenient, but in my experience it can be the first thing teams outgrow”

MixedComment from 24 Feb 2026 in “Show HN: Clawphone – Twilio voice/SMS gateway for AI agents using TwiML polling”

“we ended up with Stripe, Twilio, etc. as de facto monopolies”

CriticizesComment from 21 Feb 2026 in “F-Droid: "Keep Android Open"”

“Twilio suspended our account for no reason, charges anywhere from $250 - $5000/month to even access their support”

CriticizesComment from 19 Feb 2026 in “Twilio WhatsApp Is Useless (and the 30 minute guide to saving $5k/month)”

“Twilio, Bandwidth etc. are gatekept by Google and are basically just a middleman reselling Google's product.”

CriticizesComment from 21 Jan 2026 in “RCS for Business”

“it feels like they've added yet another layer of abstraction to the process”

CriticizesComment from 16 Jan 2026 in “Linux boxes via SSH: suspended when disconected”

“undercuts Twilio by like 80%”

MixedComment from 10 Jan 2026 in “I Hate Go, but It Saved My Startup: An Architectural Autopsy”

“Sendgrid , Twilio and other saas messaging carriers need to do a better job with integrity.”

CriticizesComment from 9 Jan 2026 in “Why is SendGrid emailing me about supporting ICE?”

“he just calls some APIs and takes a 257% markup for phone calls”

CriticizesComment from 4 Jan 2026 in “Show HN: I built an international calling platform for the past 6 months”

“Twilio numbers are on a ban list for many services”

MixedComment from 15 Dec 2025 in “Price of a bot army revealed across online platforms”

“Google verification for example would not accept my Twilio number as verification”

CriticizesComment from 15 Dec 2025 in “Price of a bot army revealed across online platforms”

“I'd look into getting a dedicated Twilio number, then just forward incoming texts to your email or something like that.”

RecommendsComment from 15 Dec 2025 in “Price of a bot army revealed across online platforms”

“They'd simply fix the data in their database and close the ticket.”

CriticizesComment from 14 Dec 2025 in “Why Twilio Segment moved from microservices back to a monolith”

“You could use twillio api + script + llm + voice model.”

RecommendsComment from 14 Dec 2025 in “I fed 24 years of my blog posts to a Markov model”

“they'd never delve into why that issue had happened”

CriticizesComment from 13 Dec 2025 in “Why Twilio Segment moved from microservices back to a monolith”

“twilio and I think MailChimp really blazed the way there”

RecommendsComment from 26 Nov 2025 in “Ask HN: What did Stripe change (Value Add)?”

“you pay a fee (I think $500) to enable RCS with a third-party only to find out that a small percentage of devices have it enabled making it effectively useless”

CriticizesComment from 19 Nov 2025 in “I just want working RCS messaging”

Counts come from 1,795,640 Hacker News comments, November 2025 to November 2026. How we count. Report a mistake.