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Telnyx Review

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Should I use Telnyx?

Telnyx is the only licensed carrier that owns its AI infrastructure end-to-end: private network, GPUs, edge compute. Nothing sits between your agent and the person on the line because every hop is ours. - telnyx.com

· 1 month ago

Buy if you're a developer-led team with real call/SMS volume — the carrier-owned network and pay-as-you-go pricing reward scale. Skip it if you want plug-and-play telephony or dependable hand-holding support; complaints recur and the 2026 SDK compromise demands careful dependency management.

Confidence

Medium. Based on 18+ public sources: review sites, Reddit threads, security advisories, and vendor pages. Reddit quote snippets are truncated in source data.

Ratings

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

Pricing

Voice from under $0.01/min

Pay-as-you-go

ModelPay-as-you-go
Monthly feesNot disclosed
HardwareNot disclosed
Free tierNo
Startups programUp to $20K credits

Best for

  • Developers building voice/SMS apps at scale
  • AI voice-agent startups needing telephony plus GPUs
  • Cost-sensitive high-volume CPaaS users
  • Teams porting numbers to a licensed carrier

Not for

  • Non-technical teams wanting a plug-and-play phone system
  • Anyone needing responsive, hand-holding support
  • Low-volume users — complexity and fees outweigh savings
  • Orgs without discipline to pin SDK dependencies

Gotchas - check before you buy

high

Support complaints recur across multiple r/VOIP threads

high

Compromised PyPI versions 4.87.1–4.87.2 pushed malware in March 2026 — pin SDK versions

medium

Usage-based pricing; per-minute and SMS rates vary by region — model your costs before committing

medium

10DLC SMS requires carrier registration with extra fees

Pros and cons

Pros

  • Licensed carrier with owned network — fewer middlemen per call
  • Pay-as-you-go pricing with low list prices at scale
  • 4.7/5 on Capterra from 196 reviewers
  • AI voice agents called 'actually pretty solid' by testers
  • Startups program offers up to $20K in credits

Cons

  • Trustpilot sits at just 3.2/5 across 634 reviews
  • Recurring Reddit complaints: 'support is Trash', 'Absolute Garbage!'
  • It's an API platform — non-technical teams will struggle
  • Past area-code hikes (~$0.07) on outbound local calls

Sources & method

- 18 sources - SOC certified, but a March 2026 PyPI supply-chain compromise and a critical MCP-server CVE hit the ecosystem.

official x4review x7security x4news x3
  • Telnyx PyPI package compromised by TeamPCP, Malicious versions 4.87.1 and 4.87.2 on PyPI pushed malware; part of a supply-chain campaign reportedly threatening banks, healthcare, and tech.
  • CVE-2026-81098: Telnyx MCP server missing authentication, Rated critical; the MCP server through 6.83.0 exposed its HTTP endpoint, risking credential exposure.

Key stats

  • Value for money: 4/5

    Rating

  • Voice from under $0.01/min

    Starting price

  • 18

    Sources

  • Analyzed

  • Value for money: 4/5. Low list prices, pay-as-you-go; some regional hikes reported
  • Ease of use: 3/5. Well-rated overall, but setup skews developer-heavy
  • Feature depth: 5/5. Voice, SMS, AI agents, GPUs, own carrier network
  • Support quality: 2/5. Repeated Reddit threads call support poor
  • Security posture: 3/5. SOC certified, but PyPI compromise and MCP CVE
  • 3.2/5 Trustpilot rating 634 reviews
  • 4.7/5 Capterra rating (Telnyx Suite) 196 reviews
  • 528 G2 review count Telnyx CPaaS listing
  • Pay-as-you-go Pricing model voice from under 1¢/min (CloudTalk guide)

Pricing

Pay-as-you-go

Voice from under $0.01/min

  • Per-minute voice, per-message SMS
  • Number rental billed monthly
  • Volume discounts at scale

Startups program

Up to $20K credits

  • For qualifying startups
  • Apply online

Security

SOC certified, but a March 2026 PyPI supply-chain compromise and a critical MCP-server CVE hit the ecosystem.

  • Telnyx PyPI package compromised by TeamPCPMalicious versions 4.87.1 and 4.87.2 on PyPI pushed malware; part of a supply-chain campaign reportedly threatening banks, healthcare, and tech.13
  • CVE-2026-81098: Telnyx MCP server missing authenticationRated critical; the MCP server through 6.83.0 exposed its HTTP endpoint, risking credential exposure.15

What users say

Developers praise the pricing, API quality, and AI agents, but support responsiveness draws repeated sharp criticism.

“I've tested it a bit, it's actually pretty solid,”
Reddit, r/Telnyx
“Telnyx has generally been solid”
Reddit, r/3CX
“Absolute bollocks! It is a lie. I am done with T”
Reddit, r/VOIP

Companies that use it

  • LivePerson
  • Ooma
  • 42Chat
  • Documo
  • The Action Network
Full analysis

Based on 18+ public sources: review sites, Reddit threads, security advisories, and vendor pages. Reddit quote snippets are truncated in source data.

Developer-first CPaaS: carrier-owned network, cheap per-minute rates, solid AI agents — but spotty support and a 2026 SDK compromise.

Methodology

Based on 18+ public sources: review sites, Reddit threads, security advisories, and vendor pages. Reddit quote snippets are truncated in source data.

Read how a report is made.

Sources

  1. Read Customer Service Reviews of telnyx.com - Trustpilottrustpilot.com
    review
  2. Telnyx CPaaS Reviews 2026 - G2g2.com
    review
  3. Telnyx Suite Reviews 2026 - Capterracapterra.com
    review
  4. Telnyx support is Trash : r/VOIPreddit.com
    review
  5. Anyone tried the Telnyx AI agents? : r/Telnyxreddit.com
    review
  6. Telnyx - anyone have good experiences? : r/3CXreddit.com
    review
  7. Telnyx: Infrastructure for realtime agentstelnyx.com
    official
  8. Telnyx Pricing - All Products, APIs and Phone Numberstelnyx.com
    official
  9. Telnyx Startups Program: Unlock $20K Creditstelnyx.com
    official
  10. Telnyx Plans & Pricing: Full Guide for 2026 - CloudTalkcloudtalk.io
    news
  11. Telnyx Pricing & Plans 2026: Full Cost Breakdown - KrispCallkrispcall.com
    news
  12. Telnyx Pricing Calculator 2026 - Famulorfamulor.io
    news
  13. Backdoored Telnyx PyPI package pushes malware - BleepingComputerbleepingcomputer.com
    security
  14. Popular telnyx package compromised on PyPI by TeamPCP - Aikidoaikido.dev
    security
  15. CVE-2026-81098 Telnyx MCP Server Missing Authentication - Ionixionix.io
    security
  16. CVE-2026-26319 Detail - NVDnvd.nist.gov
    security
  17. Understanding Telnyx SOC Compliance and Certificationssupport.telnyx.com
    official
  18. Telnyx new prices skyrocket $0.07 - FreePBX Communitycommunity.freepbx.org
    review

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