Plivo vs Telnyx
Compare Plivo and Telnyx based on observed SMS API performance, features, and pricing
Live performance comparison
Real-world performance data from messages sent through Knock
We don't have enough message volume through Knock for Plivo to publish statistically meaningful benchmarks yet. The data below reflects Telnyx only. Comparison charts will appear once both providers have sufficient data.
| Provider | Message volume | Growth | Status page updates (30d) | Status page updates (90d) |
|---|---|---|---|---|
| — | — | 5 | 7 |
| <1M | 3rd of 7 ↑ | 25 | 25 |
From February 13th to May 14th, Knock routed <1M messages through Telnyx. Telnyx reported 25 status page updates over the last 90 days, while Plivo reported 7.
Response time
Response time measures how long each provider takes to accept an SMS API request from Knock, including connection overhead and any automatic retries. Lower values mean faster message hand-off.
Telnyx has a median response time (p50) of 219ms, a p90 of 389ms, and a p99 of 638ms from February 13th to May 14th. Comparison charts for Plivo will appear once enough data is available.
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.
| Provider | Avg. daily error rate | Highest daily rate | Peak error date | Zero-error days | Days above 0.01% |
|---|---|---|---|---|---|
| — | — | — | — | — |
| 0.21% | 24.57% | Feb 20 | 57 | 26 |
Averaged across February 13th to May 14th, Telnyx shows a 0.21% daily error rate. Comparison data for Plivo will appear once enough message volume is available. Knock automatically retries failed requests to minimize the impact of transient errors on end-user delivery.
About these metrics: Data represents messages sent through Knock during the specified period. Response time measures time from Knock to provider acceptance. Error rate includes only provider 5xx responses and timeouts.
Recent Plivo incidents
Recent status page incidents for Plivo
Ongoing since May 16, 2026
THIS IS A SCHEDULED EVENT May 16, 23:30 UTC - May 17, 02:30 UTCMay 8, 11:40 UTC Scheduled - Dear Valued Customer, We will perform planned maintenance on our Plivo database to improve the overall availability of our database engines. During that time Plivo customers may find intermittent service failure. When is the maintenance? 16th May 2026 23:30 - 17th May 2026 02:30 UTC 16th May 2026 16:30 - 16th May 2026 19:30 PDT What services will be affected? All Plivo services will be in
Started May 12, 2026 — Resolved May 12, 2026
May 12, 10:50 UTC Resolved - Dear Valued Customer, We recently experienced intermittent Inbound Call failures in India region. Our engineering and operations teams promptly investigated and resolved the issue. The root cause was identified, and corrective actions have been implemented to prevent recurrence. Incident Start Time: 12th May 2026 10:50 UTC Incident End Time: 12th May 2026 11:20 UTC If you have any questions or concerns regarding this incident, please contact Plivo Support. Suppor
Started May 11, 2026 — Resolved May 11, 2026
May 11, 02:30 UTC Completed - The scheduled maintenance has been completed.May 10, 23:30 UTC In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.Apr 27, 06:41 UTC Scheduled - Dear Valued Customer, We will be performing a planned database maintenance to improve the overall availability of our database engines. The impact should be minimal with downtime and should last no more than 180 minutes. When is the maintenance? 11th May 2026 05:00 IST - 11th
Started May 4, 2026 — Resolved May 4, 2026
May 4, 02:30 UTC Completed - The scheduled maintenance has been completed.May 3, 23:30 UTC In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.Apr 21, 11:15 UTC Scheduled - Dear Valued Customer, We will be conducting a series of planned maintenance activities across our database infrastructure to enhance the overall reliability, performance, and availability of our platform. When is the maintenance? 3rd May 2026 23:30 - 4th May 2026 02:30 UTC 3r
Started Apr 26, 2026 — Resolved Apr 26, 2026
Apr 26, 04:30 UTC Completed - The scheduled maintenance has been completed.Apr 26, 00:30 UTC In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.Apr 8, 09:14 UTC Scheduled - Dear Valued Customer, We will be conducting a series of planned maintenance activities across our database infrastructure to enhance the overall reliability, performance, and availability of our platform. When is the maintenance? 26th April 2026 00:30 - 26th April 2026 04:30
Recent Telnyx incidents
Recent status page incidents for Telnyx
Ongoing since May 28, 2026
THIS IS A SCHEDULED EVENT May 28, 09:00 - 11:00 UTCMay 11, 14:41 UTC Scheduled - Our Telephony Engineers will perform maintenance on our SIP proxy servers in the US region. Our TLS certificate for our SIP proxy server(s) of sip.telnyx.com (192.76.120.10 and 64.16.250.10) will be changed during this deployment. This is important for some customers who use an SBC (or other appliance) and have our certificate (or the CA certificate) loaded into the SBC. This information also applies to some custom
Ongoing since May 26, 2026
THIS IS A SCHEDULED EVENT May 26, 17:00 - 19:00 UTCMay 11, 14:32 UTC Scheduled - Our Telephony Engineers will perform maintenance on our SIP proxy servers in the Europe region. Our TLS certificate for our SIP proxy server(s) of sip.telnyx.eu (185.246.41.140 and 185.246.41.141) will be changed during this deployment. This is important for some customers who use an SBC (or other appliance) and have our certificate (or the CA certificate) loaded into the SBC. This information also applies to some
Ongoing since May 15, 2026
THIS IS A SCHEDULED EVENT May 15, 08:30 - 10:30 UTCMay 12, 16:23 UTC Scheduled - The Telnyx team will be performing maintenance on the network nodes carrying data traffic for IMSI1 sessions in the Americas. Connected devices may experienec a brief (about a minute) period of disconnection during this window.
Started May 14, 2026 — Resolved May 14, 2026
May 14, 13:00 UTC Completed - The scheduled maintenance has been completed.May 14, 12:30 UTC In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.May 14, 12:24 UTC Scheduled - Our Telephony Engineers will perform maintenance on our TeXML services in the Europe/US region. This maintenance should not disrupt service.
Ongoing since May 14, 2026
May 14, 11:03 UTC Identified - The issue partially persists and is being worked on by our engineers.May 14, 00:26 UTC Monitoring - A fix has been implemented and we are monitoring the results.May 13, 21:44 UTC Investigating - We've spotted that something has gone wrong. We're currently investigating the issue, and will provide an update soon. All cloud storage operations on buckets in us-central-1 might be not operational.
Pricing comparison
| Provider | Plan | Per message | Monthly cost |
|---|---|---|---|
| Plivo | Pay-as-you-go | $0.0077 | $770 |
| Telnyx | Pay-as-you-go | $0.004 | $400 |
Plivo
Pay-as-you-go with no minimums or monthly fees. US outbound SMS costs $0.0077 per message. Inbound messages are $0.0055 each. Volume discounts available for high monthly usage. Carrier surcharges apply on top of the base rate.
Telnyx
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 |
|---|---|---|
| T-Mobile | $0.0045 | $0.0025 |
| AT&T | $0.003 | $0.003 |
| Verizon | $0.004 | $0.00 |
| US Cellular | $0.005 | $0.00 |
Pros and cons
Plivo
Telnyx
Pros
- Among the lowest per-message rates with automatic volume discounts
- Familiar API design modeled after Twilio, making migration straightforward
- 99.99% uptime SLA with direct carrier connections to 190+ countries
- Free inbound messages and no monthly minimums or base fees
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
- Narrower feature set with no native support for WhatsApp or other messaging channels
- Smaller community and fewer third-party tutorials compared to Twilio
- Web dashboard is functional but not polished for managing large number inventories
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
What is the difference between Plivo and Telnyx?
Plivo is a cost-effective communications platform with direct carrier connections, a Twilio-compatible API design, and a 99.99% uptime SLA. Telnyx is a developer-first communications platform with competitive pricing and a private IP network for reliable SMS delivery. Plivo is best suited for cost-effective high-volume sms, while Telnyx is geared toward cost-effective developer sms.
Which is cheaper, Plivo or Telnyx?
Pay-as-you-go with no minimums or monthly fees. US outbound SMS costs $0.0077 per message. Inbound messages are $0.0055 each. Volume discounts available for high monthly usage. Carrier surcharges apply on top of the base rate. 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. The best value depends on your sending volume and destination countries.
Which is faster, Plivo or Telnyx?
Based on real-world data from Knock, Telnyx has a median SMS API response time (p50) of 219ms. We don't yet have enough data for Plivo to make a direct comparison.
Which is more reliable, Plivo or Telnyx?
From February 13th to May 14th, Telnyx showed an error rate of 0.21%. We don't yet have enough data for Plivo to compare reliability directly. Knock automatically retries failed requests to minimize the impact of transient errors.
Which is more popular, Plivo or Telnyx?
On the Knock platform, Telnyx handled <1M messages from February 13th to May 14th. Telnyx is currently trending upward in adoption. We don't yet have enough data for Plivo to compare popularity.
Can I use both Plivo and Telnyx together?
Yes. Knock enables you to integrate multiple SMS providers into a single notification workflow. You can use Plivo and Telnyx side by side, route traffic between them, or migrate from one to the other without changing your application code.
What are the main pros and cons of Plivo vs Telnyx?
Plivo strengths include among the lowest per-message rates with automatic volume discounts and familiar api design modeled after twilio, making migration straightforward. Telnyx 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, Plivo drawbacks include narrower feature set with no native support for whatsapp or other messaging channels, while Telnyx drawbacks include smaller community and ecosystem compared to twilio.
Use either provider with Knock
Knock enables you to integrate Plivo, Telnyx, or any combination of SMS providers into a single notification workflow. Manage templates, orchestrate cross-channel delivery, and switch providers without changing your code.