MessageBird vs Telnyx
Compare MessageBird and Telnyx based on observed SMS API performance, features, and pricing
Live performance comparison
Real-world performance data from messages sent through Knock
| Provider | Message volume | Growth | Status page updates (30d) | Status page updates (90d) |
|---|---|---|---|---|
 | <1M | 7th of 7 ↑ | 4 | 12 |
 | <1M | 3rd of 7 ↓ | 25 | 25 |
From January 3rd to April 2nd, Knock routed <1M messages through MessageBird and <1M through Telnyx. MessageBird reported 12 status page updates over the last 90 days, while Telnyx reported 25.
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.
| Provider | Median (p50) | p90 | p95 | p99 |
|---|---|---|---|---|
| 311ms | 407ms | 432ms | 535ms |
| 275ms | 451ms | 508ms | 662ms |
The chart above shows each provider's daily median response time (p50) from January 3rd to April 2nd. The top-line number is an average of these daily values: MessageBird averaged 311ms compared to 275ms for Telnyx. MessageBird's highest daily p50 was 371ms; Telnyx's was 313ms. Telnyx is 36ms faster at the median, which can add up at high volumes.
The 90th percentile (p90) captures the slowest 10% of requests, revealing how each provider handles moderate stress. Averaged across all days, MessageBird has a p90 of 407ms compared to 451ms for Telnyx. The highest daily p90 was 862ms for MessageBird and 19505ms for Telnyx. MessageBird handles these slower requests 44ms faster, suggesting more consistent performance across the board.
The 99th percentile (p99) represents the long tail — the slowest 1% of requests. Averaged across all days, MessageBird reached 535ms at p99 while Telnyx reached 662ms. The highest daily p99 was 7528ms for MessageBird and 19738ms for Telnyx, indicating the worst-case response time during spikes or provider-side congestion. MessageBird shows a tighter tail, which may matter for time-sensitive SMS notifications like one-time passwords or real-time alerts where even rare delays can impact user experience.
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% |
|---|---|---|---|---|---|
| 0.00% | 0.00% | Jan 3 | 79 | 0 |
| 0.42% | 24.57% | Feb 20 | 57 | 34 |
Averaged across the date range, MessageBird shows a 0.00% daily error rate compared to 0.42% for Telnyx. The highest single-day error rate was 0.00% for MessageBird and 24.57% for Telnyx. MessageBird demonstrates a lower error rate, indicating slightly more consistent availability during this period. Knock automatically retries failed requests to both providers, minimizing 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 MessageBird incidents
Recent status page incidents for MessageBird
Started Mar 31, 2026 — Resolved Mar 31, 2026
Mar 31, 15:47 CEST Resolved - This incident has been resolved.Mar 31, 14:25 CEST Monitoring - A fix has been implemented and we are monitoring the results. Affected customers are advised to retry their campaigns.Mar 31, 13:29 CEST Identified - We are currently investigating an issue impacting campaigns activated in the EP Marketing Suite within the last 30 minutes. Affected campaigns are failing approximately 10 minutes after activation. Our team is actively working on a fix.
Started Mar 24, 2026 — Resolved Mar 24, 2026
Mar 24, 15:37 CET Resolved - This incident has been resolved.Mar 24, 15:16 CET Monitoring - A fix has been implemented and we are monitoring the results.Mar 24, 14:49 CET Investigating - We are currently investigating this issue.
Started Mar 23, 2026 — Resolved Mar 23, 2026
Mar 23, 10:34 CET Resolved - This incident has been resolved.Mar 23, 09:42 CET Monitoring - A fix has been implemented and we are monitoring the results.Mar 23, 08:29 CET Investigating - Flows and Journeys are impacted. We are investigating this issue.
Started Mar 11, 2026 — Resolved Mar 11, 2026
Mar 11, 16:07 CET Resolved - This incident has been resolved.Mar 11, 14:52 CET Investigating - We are currently investigating processing delays impacting a subset of flows & journeys configured with contact-added-to-list triggers.
Started Feb 24, 2026 — Resolved Feb 24, 2026
Feb 24, 01:10 CET Resolved - This incident has been resolved.Feb 24, 01:00 CET Monitoring - A fix has been implemented and we are monitoring the results.Feb 24, 00:49 CET Update - We are continuing to work on a fix for this issue.Feb 23, 23:43 CET Identified - The issue has been identified and a fix is being implemented.Feb 23, 23:30 CET Investigating - We are currently observing problems with our MMS service resulting in failed messages sending to US based routes. We are investigating the situa
Recent Telnyx incidents
Recent status page incidents for Telnyx
Started Apr 3, 2026 — Resolved Apr 3, 2026
Apr 3, 10:39 UTC Resolved - This incident has been resolved.Apr 3, 09:45 UTC Monitoring - A fix has been implemented and we are monitoring the results.Apr 3, 09:03 UTC Investigating - We are aware of instability affecting our Wireless Products API endpoints. The incident began at approximately 08:25 UTC. Our engineering team is actively investigating the root cause. Further updates will be provided as information becomes available.
Started Apr 2, 2026 — Resolved Apr 2, 2026
Apr 2, 17:00 UTC Completed - The scheduled maintenance has been completed.Apr 2, 12:00 UTC In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.Apr 2, 11:12 UTC Scheduled - Engineering will run updates on voice services on all regions.
Ongoing since Apr 2, 2026
Apr 2, 13:00 UTC In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.Apr 2, 11:13 UTC Scheduled - Our Telephony Engineers will be performing an update on our Voice Services across all regions Impact: This update is not expected to disrupt service. Action Required: If you experience any audio issues or dropped calls during this maintenance window, please report them immediately to Telnyx Support.
Started Apr 2, 2026 — Resolved Apr 2, 2026
Apr 2, 05:30 UTC Completed - The scheduled maintenance has been completed.Apr 2, 04:30 UTC In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.Apr 1, 12:53 UTC Update - We will be undergoing scheduled maintenance during this time.Mar 25, 09:44 UTC Update - We will be undergoing scheduled maintenance during this time.Mar 31, 05:30 UTC Scheduled - The Telnyx Wireless teams will perform upgrades to mobile data infrastructure in the North America reg
Started Apr 1, 2026 — Resolved Apr 1, 2026
Apr 1, 14:00 UTC Completed - The scheduled maintenance has been completed.Mar 31, 18:30 UTC In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.Mar 31, 17:06 UTC Scheduled - Our Telephony Engineers will be performing an update on our Voice Services servers servers across all regions Impact: This update is not expected to disrupt service. Action Required: If you experience any audio issues or dropped calls during this maintenance window, please repo
Pricing comparison
| Provider | Plan | Per message | Monthly cost |
|---|---|---|---|
| MessageBird | Local number | $0.0003 | $31 |
| Telnyx | Pay-as-you-go | $0.004 | $400 |
MessageBird
Bird (formerly MessageBird) publishes per-country rate cards rather than a single headline price. US outbound SMS via local numbers costs $0.00031 per message, with short codes at $0.0009 and toll-free at $0.00147. Carrier surcharges apply on top. International rates vary widely by destination.
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
MessageBird
Telnyx
Pros
- Strong global coverage with direct carrier connections in 190+ countries
- Unified API across SMS, WhatsApp, Telegram, and other channels
- Visual flow builder enables non-technical users to create messaging workflows
- Now part of Bird, offering an expanded platform for customer engagement
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
- Pricing is published as per-country rate cards rather than simple headline rates, making comparison harder
- Rebranding to Bird has caused some confusion in documentation and branding
- Smaller developer community compared to Twilio
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 MessageBird and Telnyx?
MessageBird (now Bird) is an omnichannel communications platform with global SMS coverage and a unified messaging API. Telnyx is a developer-first communications platform with competitive pricing and a private IP network for reliable SMS delivery. MessageBird is best suited for global omnichannel messaging, while Telnyx is geared toward cost-effective developer sms.
Which is cheaper, MessageBird or Telnyx?
Bird (formerly MessageBird) publishes per-country rate cards rather than a single headline price. US outbound SMS via local numbers costs $0.00031 per message, with short codes at $0.0009 and toll-free at $0.00147. Carrier surcharges apply on top. International rates vary widely by destination. 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, MessageBird or Telnyx?
Based on real-world data from Knock, MessageBird has a median SMS API response time (p50) of 311ms compared to 275ms for Telnyx.
Which is more reliable, MessageBird or Telnyx?
From January 3rd to April 2nd, MessageBird showed an error rate of 0.00% while Telnyx showed 0.42%. Both rates are within acceptable thresholds for production SMS delivery, and Knock automatically retries failed requests to minimize the impact of transient errors.
Which is more popular, MessageBird or Telnyx?
On the Knock platform, MessageBird handled <1M messages from January 3rd to April 2nd compared to <1M for Telnyx. MessageBird is currently trending upward in adoption, while Telnyx is seeing declining volume.
Can I use both MessageBird and Telnyx together?
Yes. Knock enables you to integrate multiple SMS providers into a single notification workflow. You can use MessageBird 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 MessageBird vs Telnyx?
MessageBird strengths include strong global coverage with direct carrier connections in 190+ countries and unified api across sms, whatsapp, telegram, and other channels. 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, MessageBird drawbacks include pricing is published as per-country rate cards rather than simple headline rates, making comparison harder, while Telnyx drawbacks include smaller community and ecosystem compared to twilio.
Use either provider with Knock
Knock enables you to integrate MessageBird, 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.