Telnyx
performance benchmarks
Browse Telnyx's observed SMS API response time, error rates, and incident history over the last 90 days.
Live performance metrics
Real-world performance data from messages sent through Knock.
| Message volume | Growth | Status page updates (30d) | Status page updates (90d) |
|---|---|---|---|
<1M | 3rd of 7 ↑ | 67 | 176 |
From July 29th to October 27th, Knock routed <1M messages through Telnyx. For adoption, Telnyx ranks 3rd of 7 providers based on new channel connections, with adoption accelerating over the period. Telnyx reported 176 status page updates over the last 90 days, 67 of which were in the last 30 days.
Response time
Response time measures how long Telnyx takes to accept an SMS API request from Knock, including connection overhead and any automatic retries. Lower values mean faster message hand-off.
| Median (p50) | p90 | p95 | p99 |
|---|---|---|---|
459ms | 788ms | 886ms | 1127ms |
From July 29th to October 27th, Telnyx averaged a daily median response time (p50) of 459ms across all days in the range, meaning half of all SMS API requests on a typical day complete in under 459ms. The 99th percentile averaged 1127ms, with a peak daily p99 of 3509ms. This is slightly higher than some providers, which may reflect additional processing Telnyx performs on message acceptance.
Error rate
Error rate tracks the ratio of 5xx responses and timeouts to total SMS API requests. Knock automatically retries failed requests, so transient provider errors rarely affect end-user delivery.
| Avg. daily error rate | Highest daily rate | Peak error date | Zero-error days | Days above 0.01% |
|---|---|---|---|---|
0.02% | 0.55% | Aug 10 | 77 | 14 |
From July 29th to October 27th, Telnyx averaged a 0.02% daily error rate for 5xx responses and timeouts, with the highest single-day error rate reaching 0.55%. This is one of the lowest error rates among providers on Knock, indicating strong reliability and consistent uptime. Knock automatically retries failed requests, so transient provider errors rarely affect end-user delivery.
About these metrics: Data represents messages sent through Knock to Telnyx during the specified period. Response time measures time from Knock to provider acceptance. Error rate includes only provider 5xx responses and timeouts.
Recent Telnyx incidents
Recent status page incidents for Telnyx
Started Oct 27, 2026 — Resolved Oct 27, 2026
Status: Resolved We observed some queueing as it relates to delivery receipts over MMS which has since been drained, sending remained unaffected during this period. Affected components NORAM (Operational)
Started Oct 27, 2026 — Resolved Oct 27, 2026
Status: Complete Maintenance has completed Affected components Programmable Wireless (Operational)
Ongoing since Oct 27, 2026
Status: Scheduled Our Telephony Engineers will perform maintenance on our inbound SIP proxy servers in the US (sip.telnyx.com: http://sip.telnyx.com) and Europe (sip.telnyx.eu: http://sip.telnyx.eu) regions. During this maintenance, our TLS certificate for each proxy server will be renewed; the four proxy servers will get the update on separate days. These important changes will happen. - We'll switch Certificate Authority from Digicert to LetsEncrypt (which means that the entire certificate
Started Oct 26, 2026 — Resolved Oct 26, 2026
Status: Complete Maintenance has completed Affected components Programmable Wireless (Operational)
Started Oct 26, 2026 — Resolved Oct 26, 2026
Status: Complete Maintenance has completed Affected components San Jose, CA (Operational) London, UK (Operational) Chennai, India (Operational) Frankfurt, Germany (Operational) Melbourne, Australia (Operational) Mumbai, India (Operational) Chicago, IL (Operational) Ashburn, VA (Operational) Amsterdam, Netherlands (Operational) Dubai, UAE (Operational) Montreal, Canada (Operational) Sydney, Australia (Operational) Toronto, Canada (Operational)
Pricing calculator
See how Telnyx's monthly cost changes as your SMS volume grows.
| Plan | Per message | Monthly cost |
|---|---|---|
| Pay-as-you-go | $0.004 | $400 |
No free tier. Outbound SMS to US numbers costs $0.004 per message. Inbound messages are $0.004 each. Phone numbers start at $1.00/month for local numbers. Carrier surcharges are passed through at cost with no markup.
US carrier surcharges
All US A2P SMS sent via 10DLC incurs mandatory carrier fees on top of the provider base rate. Most providers pass these through at cost.
| Carrier | Outbound SMS | Inbound SMS | Notes |
|---|---|---|---|
| T-Mobile | $0.0045 | $0.0025 | |
| AT&T | $0.003 | $0.003 | |
| Verizon | $0.004 | $0.00 | Increased May 1, 2026 |
| US Cellular | $0.005 | $0.00 | Increased Jan 19, 2026 |
Compare Telnyx with other providers
See how Telnyx compares on performance, reliability, and pricing.
About Telnyx
Telnyx is a developer-first communications platform with competitive pricing and a private IP network for reliable SMS delivery.
Pros
- Among the lowest per-message rates for US domestic SMS
- Private IP network provides lower latency than providers using the public internet
- Transparent, pay-as-you-go pricing with no monthly minimums
- Strong developer experience with well-documented APIs and SDKs
Cons
- Smaller community and ecosystem compared to Twilio
- No free trial credits for new accounts
- Feature set is narrower than full-suite platforms like Twilio
Frequently asked questions
Telnyx is an SMS provider commonly used for transactional sms notifications, two-factor authentication, appointment reminders. Telnyx is a developer-first communications platform with competitive pricing and a private IP network for reliable SMS delivery.
No free tier. Outbound SMS to US numbers costs $0.004 per message. Inbound messages are $0.004 each. Phone numbers start at $1.00/month for local numbers. Carrier surcharges are passed through at cost with no markup. Telnyx does not offer a permanent free tier.
Based on real-world data from messages sent through Knock, Telnyx accepts SMS API requests with a median response time of 459ms (p50) and 1127ms at the 99th percentile.
From July 29th to October 27th, Telnyx showed an error rate of 0.02% for 5xx responses and timeouts across <1M messages sent through Knock. Knock automatically retries failed requests, so transient provider errors rarely affect end-user delivery.
Key strengths include among the lowest per-message rates for us domestic sms and private ip network provides lower latency than providers using the public internet. On the other hand, smaller community and ecosystem compared to twilio and no free trial credits for new accounts.
Yes. Knock has a native Telnyx integration that enables you to send SMS notifications through Telnyx as part of a cross-channel workflow. You can combine Telnyx with other channels like in-app feeds, push, email, and Slack from a single API call.
Use Telnyx with Knock
Knock enables you to integrate Telnyx alongside other notification channels, manage templates, and orchestrate cross-channel workflows from a single platform.