MessageBird vs Twilio
Compare MessageBird and Twilio 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 → | 3 | 12 |
| 100M–500M | 1st of 7 → | 25 | 25 |
From May 9th to August 6th, Knock routed <1M messages through MessageBird and 100M–500M through Twilio. MessageBird reported 12 status page updates over the last 90 days, while Twilio 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 |
|---|---|---|---|---|
| 326ms | 429ms | 449ms | 528ms |
| 55ms | 120ms | 130ms | 157ms |
The chart above shows each provider's daily median response time (p50) from May 9th to August 6th. The top-line number is an average of these daily values: MessageBird averaged 326ms compared to 55ms for Twilio. MessageBird's highest daily p50 was 462ms; Twilio's was 68ms. Twilio is 271ms 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 429ms compared to 120ms for Twilio. The highest daily p90 was 588ms for MessageBird and 127ms for Twilio. Twilio handles these slower requests 309ms 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 528ms at p99 while Twilio reached 157ms. The highest daily p99 was 4875ms for MessageBird and 252ms for Twilio, indicating the worst-case response time during spikes or provider-side congestion. Twilio 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% | May 9 | 80 | 0 |
| 0.00% | 0.00% | May 8 | 91 | 0 |
Averaged across the date range, MessageBird shows a 0.00% daily error rate compared to 0.00% for Twilio. The highest single-day error rate was 0.00% for MessageBird and 0.00% for Twilio. Both providers show similar reliability levels, with error rates well within acceptable thresholds. 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 Aug 6, 2026 — Resolved Aug 6, 2026
Aug 7, 00:08 CEST Resolved - This incident has been resolved. Aug 7, 00:02 CEST Update - We are continuing to monitor for any further issues. Aug 7, 00:02 CEST Monitoring - A fix has been implemented and we are monitoring the results. Aug 6, 22:49 CEST Update - We identified the root cause and continuing to work on a fix for this issue. Aug 6, 20:46 CEST Update - We are continuing to work on a fix for this issue. Aug 6, 19:48 CEST Identified - The issue has been identified
Started Jul 22, 2026 — Resolved Jul 22, 2026
Jul 22, 16:54 CEST Resolved - This incident has been resolved. Jul 22, 15:58 CEST Update - The fix has been deployed, and dashboard search functionality has been restored. We are replaying events from the incident period to refresh the search index and ensure all affected items are available in search results. Jul 22, 14:54 CEST Monitoring - A fix has been implemented and we are monitoring the results. Jul 22, 14:16 CEST Identified - We've identified an issue affecting search functiona
Started Jul 8, 2026 — Resolved Jul 8, 2026
Jul 9, 00:28 CEST Resolved - This incident has been resolved. Jul 9, 00:10 CEST Identified - The issue has been identified and a fix is being implemented. Jul 8, 22:12 CEST Investigating - We are observing delays in processing of Message & Contact Objects. We are actively investigating the issue The impact is limited to Customers in Bird Box platform, hosted in the us-west-1 region.
Started Jul 5, 2026 — Resolved Jul 5, 2026
Jul 5, 18:12 CEST Resolved - This incident has been resolved. Jul 5, 18:07 CEST Monitoring - A fix has been implemented and we are monitoring the results. Jul 5, 17:50 CEST Investigating - We are seeing a spike in errors in the Journeys logs right now. We are investigating the issue.
Started Jun 12, 2026 — Resolved Jun 12, 2026
Jun 12, 20:22 CEST Resolved - This incident has been resolved. Jun 12, 17:05 CEST Identified - We are continuing to monitor increased WhatsApp message delivery failures caused by ongoing disruptions in Meta’s services, as confirmed by Meta. Jun 12, 16:10 CEST Investigating - We are investigating increased WhatsApp message delivery failures caused by connectivity issues with Meta services. Customers may experience delays or failures when sending WhatsApp messages. Our team is actively mon
Recent Twilio incidents
Recent status page incidents for Twilio
Ongoing since Oct 16, 2026
THIS IS A SCHEDULED EVENT Oct 16, 14:00 - 22:00 PDT Jul 29, 00:27 PDT Scheduled - Twilio will perform scheduled network maintenance in our IE1 region during an 8-hour window from 16 October 2026 at 14:00 PDT to 16 October 2026 at 22:00 PDT. During this window, customers may experience a brief service interruption of up to 90 seconds affecting the following: Interconnected Customers: All IE1 interconnected customers will experience a brief interconnection service interruption of up to 90 seco
Ongoing since Sep 18, 2026
THIS IS A SCHEDULED EVENT Sep 18, 08:00 - 11:00 PDT Aug 6, 03:33 PDT Scheduled - Twilio will perform a scheduled maintenance in our SG1 region during a 3-hour window on 18 September 2026 from 08:00 PDT to 11:00 PDT. During this maintenance, we will perform a Junos OS software upgrade of the SG1 QFX10K Edge1 Switch in the TNX Production SG1 environment. This maintenance represents the second phase of a two-part infrastructure upgrade. During this time, Voice, Interconnect, and Flex customers
Ongoing since Sep 4, 2026
THIS IS A SCHEDULED EVENT Sep 4, 08:00 - 11:00 PDT Aug 6, 05:04 PDT Scheduled - Twilio will perform a scheduled maintenance in our SG1 region during a 3-hour window on 4 September 2026 from 08:00 PDT to 11:00 PDT. During this maintenance, we will perform a Junos OS software upgrade of the SG1 QFX10K Edge2 Switch in the TNX Production SG1 environment. During this time, Voice, Interconnect, and Flex customers with SG1 interconnections may experience a brief interconnection service interruptio
Ongoing since Aug 31, 2026
THIS IS A SCHEDULED EVENT Aug 31, 13:00 - 17:00 PDT Jul 31, 08:38 PDT Scheduled - The Tele2 network in Russia is conducting a planned maintenance from 31 August 2026 at 13:00 PDT until 31 August 2026 at 17:00 PDT. During the maintenance window, there could be intermittent delays delivering SMS to Tele2 Russia handsets.
Ongoing since Aug 30, 2026
THIS IS A SCHEDULED EVENT Aug 30, 12:00 - 14:00 PDT Jul 30, 14:53 PDT Scheduled - The Globe Telecom network in the Philippines is conducting a planned maintenance from 30 August 2026 at 12:00 PDT until 30 August 2026 at 14:00 PDT. During the maintenance window, there could be intermittent delays delivering SMS to Globe Telecom Philippines handsets.
Pricing comparison
| Provider | Plan | Per message | Monthly cost |
|---|---|---|---|
| MessageBird | Local number | $0.0003 | $31 |
| Twilio | Pay-as-you-go | $0.0083 | $830 |
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.
Twilio
Outbound SMS to US numbers costs $0.0083 per message. Inbound messages are $0.0075 each. Phone numbers start at $1.15/month for local numbers. Carrier surcharges of ~$0.003–$0.005 per message apply on top of the base rate.
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
Twilio
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
- Largest ecosystem of SDKs, tutorials, and community resources for SMS
- Trusted by Airbnb, Uber, and Netflix for mission-critical messaging
- Comprehensive compliance tooling with opt-out management and content filtering
- Supports SMS, MMS, WhatsApp, and voice in a single platform
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
- Per-message pricing can add up at high volumes without committed-use discounts
- Phone number provisioning and compliance setup can be complex for new users
- Support response times vary by plan tier
Frequently asked questions
What is the difference between MessageBird and Twilio?
MessageBird (now Bird) is an omnichannel communications platform with global SMS coverage and a unified messaging API. Twilio is the most widely adopted cloud communications platform, offering SMS, MMS, voice, and WhatsApp through a unified API. MessageBird is best suited for global omnichannel messaging, while Twilio is geared toward full-featured sms at scale.
Which is cheaper, MessageBird or Twilio?
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. Outbound SMS to US numbers costs $0.0083 per message. Inbound messages are $0.0075 each. Phone numbers start at $1.15/month for local numbers. Carrier surcharges of ~$0.003–$0.005 per message apply on top of the base rate. The best value depends on your sending volume and destination countries.
Which is faster, MessageBird or Twilio?
Based on real-world data from Knock, MessageBird has a median SMS API response time (p50) of 326ms compared to 55ms for Twilio.
Which is more reliable, MessageBird or Twilio?
From May 9th to August 6th, MessageBird showed an error rate of 0.00% while Twilio showed 0.00%. 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 Twilio?
On the Knock platform, MessageBird handled <1M messages from May 9th to August 6th compared to 100M–500M for Twilio. MessageBird volume has remained stable, while Twilio volume has remained stable.
Can I use both MessageBird and Twilio together?
Yes. Knock enables you to integrate multiple SMS providers into a single notification workflow. You can use MessageBird and Twilio 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 Twilio?
MessageBird strengths include strong global coverage with direct carrier connections in 190+ countries and unified api across sms, whatsapp, telegram, and other channels. Twilio strengths include largest ecosystem of sdks, tutorials, and community resources for sms and trusted by airbnb, uber, and netflix for mission-critical messaging. On the other hand, MessageBird drawbacks include pricing is published as per-country rate cards rather than simple headline rates, making comparison harder, while Twilio drawbacks include per-message pricing can add up at high volumes without committed-use discounts.
Use either provider with Knock
Knock enables you to integrate MessageBird, Twilio, or any combination of SMS providers into a single notification workflow. Manage templates, orchestrate cross-channel delivery, and switch providers without changing your code.