MessageBird vs Plivo
Compare MessageBird and Plivo 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 MessageBird only. Comparison charts will appear once both providers have sufficient data.
| Provider | Message volume | Growth | Status page updates (30d) | Status page updates (90d) |
|---|---|---|---|---|
<1M | 5th of 7 ↑ | 0 | 0 | |
— | — | 0 | 0 |
From January 23rd to April 23rd, Knock routed <1M messages through MessageBird. MessageBird reported 0 status page updates over the last 90 days, while Plivo reported 0.
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 |
|---|---|---|---|---|
320ms | 418ms | 440ms | 518ms | |
— | — | — | — |
MessageBird has a median response time (p50) of 320ms, a p90 of 418ms, and a p99 of 518ms from January 23rd to April 23rd. 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% |
|---|---|---|---|---|---|
0.00% | 0.00% | Jan 23 | 78 | 0 | |
— | — | — | — | — |
Averaged across January 23rd to April 23rd, MessageBird shows a 0.00% 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 MessageBird incidents
Recent status page incidents for MessageBird
No incidents reported in the last 90 days
Recent Plivo incidents
Recent status page incidents for Plivo
No incidents reported in the last 90 days
Pricing comparison
| Provider | Plan | Per message | Monthly cost |
|---|---|---|---|
| MessageBird | Local number | $0.0003 | $31 |
| Plivo | Pay-as-you-go | $0.0077 | $770 |
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.
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.
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

Plivo
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 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
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
- 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
Frequently asked questions
What is the difference between MessageBird and Plivo?
MessageBird (now Bird) is an omnichannel communications platform with global SMS coverage and a unified messaging API. Plivo is a cost-effective communications platform with direct carrier connections, a Twilio-compatible API design, and a 99.99% uptime SLA. MessageBird is best suited for global omnichannel messaging, while Plivo is geared toward cost-effective high-volume sms.
Which is cheaper, MessageBird or Plivo?
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. 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. The best value depends on your sending volume and destination countries.
Which is faster, MessageBird or Plivo?
Based on real-world data from Knock, MessageBird has a median SMS API response time (p50) of 320ms. We don't yet have enough data for Plivo to make a direct comparison.
Which is more reliable, MessageBird or Plivo?
From January 23rd to April 23rd, MessageBird showed an error rate of 0.00%. 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, MessageBird or Plivo?
On the Knock platform, MessageBird handled <1M messages from January 23rd to April 23rd. MessageBird is currently trending upward in adoption. We don't yet have enough data for Plivo to compare popularity.
Can I use both MessageBird and Plivo together?
Yes. Knock enables you to integrate multiple SMS providers into a single notification workflow. You can use MessageBird and Plivo 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 Plivo?
MessageBird strengths include strong global coverage with direct carrier connections in 190+ countries and unified api across sms, whatsapp, telegram, and other channels. Plivo strengths include among the lowest per-message rates with automatic volume discounts and familiar api design modeled after twilio, making migration straightforward. On the other hand, MessageBird drawbacks include pricing is published as per-country rate cards rather than simple headline rates, making comparison harder, while Plivo drawbacks include narrower feature set with no native support for whatsapp or other messaging channels.
Use either provider with Knock
Knock enables you to integrate MessageBird, Plivo, or any combination of SMS providers into a single notification workflow. Manage templates, orchestrate cross-channel delivery, and switch providers without changing your code.