Plivo vs WhatsApp
Compare Plivo and WhatsApp 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 WhatsApp only. Comparison charts will appear once both providers have sufficient data.
| Provider | Message volume | Growth | Status page updates (30d) | Status page updates (90d) |
|---|---|---|---|---|
 | — | — | 1 | 10 |
 | <1M | 4th of 7 ↑ | 4 | 12 |
From January 2nd to April 2nd, Knock routed <1M messages through WhatsApp. WhatsApp reported 12 status page updates over the last 90 days, while Plivo reported 10.
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.
WhatsApp has a median response time (p50) of 720ms, a p90 of 1082ms, and a p99 of 1708ms from January 2nd to April 2nd. 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 2 | 91 | 0 |
Averaged across January 2nd to April 2nd, WhatsApp 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 Plivo incidents
Recent status page incidents for Plivo
Started Mar 28, 2026 — Resolved Mar 28, 2026
Mar 28, 14:52 UTC Resolved - This incident has been resolvedMar 28, 14:46 UTC Monitoring - A fix has been implemented and we are monitoring the resultsMar 28, 14:13 UTC Identified - Issue has been identified. Fix is being implemented.Mar 28, 13:23 UTC Investigating - Some webhook events for voice calls are not being generated in the India region. We are actively investigating and working to resolve this as quickly as possible. Updates will be provided as they become available.
Started Feb 9, 2026 — Resolved Feb 9, 2026
Feb 9, 15:59 UTC Resolved - This incident has been resolved.Feb 9, 15:41 UTC Monitoring - A fix has been implemented and we are monitoring the results.Feb 9, 15:14 UTC Update - We are continuing to investigate this issue.Feb 9, 14:59 UTC Investigating - Please be advised that voice calls in the US region are currently being impacted by an infrastructure issue. We are investigating the matter alongside our infrastructure partner to resolve this as quickly as possible. We will provide further
Started Feb 9, 2026 — Resolved Feb 9, 2026
Feb 9, 12:52 UTC Resolved - This incident has been resolved.Feb 9, 12:26 UTC Monitoring - A fix has been implemented and we are monitoring the results.Feb 9, 12:25 UTC Investigating - Dear Valued Customer, We are observing failures to retrieve CDR and recordings. All other services are operating normally. Our engineers are actively working to resolve the issue and restore service. Please contact Plivo Support for any questions. Support portal: https://support.plivo.com/hc/en-us
Started Feb 8, 2026 — Resolved Feb 8, 2026
Feb 8, 17:11 UTC Resolved - This incident has been resolved.Feb 8, 14:49 UTC Monitoring - A fix has been implemented and we are monitoring the results.Feb 8, 13:41 UTC Investigating - Dear Valued Customer, We are currently experiencing intermittent message failures affecting a subset of Messaging traffic. Our engineering teams have identified the issue and are actively working to stabilize the service. Other platform services continue to operate normally. We are closely monitoring the situa
Started Feb 8, 2026 — Resolved Feb 8, 2026
Feb 8, 06:48 UTC Completed - The scheduled maintenance has been completed.Feb 8, 06:47 UTC Verifying - Verification is currently underway for the maintenance items.Feb 8, 03:30 UTC In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.Jan 20, 08:17 UTC Scheduled - Dear Valued Customer, We will perform planned maintenance on our Plivo database on Sunday, 8th February 2026 to improve the overall availability of our database engines. During that time
Recent WhatsApp incidents
Recent status page incidents for WhatsApp
Started Mar 26, 2026 — Resolved Mar 26, 2026
We are currently experiencing low disruptions impacting sending messages on Whatsapp Cloud API. Our engineering teams have identified the potential issue and deploying a fix (ETA 6PM PST). We will provide another update within 4 hour or sooner if additional information is available.
Started Mar 18, 2026 — Resolved Mar 18, 2026
We are currently experiencing low disruptions impacting message sending on Cloud API. This issue started around 10:00 AM +08 GMT. Our engineering teams are investigating the issue. We will provide another update within the next 1 hour or sooner if additional information is available.
Started Mar 10, 2026 — Resolved Mar 10, 2026
We are currently experiencing High Disruptions impacting QR Code scanning for Coexistence Onboarding via Embedded Signup Flow. This issue started at Mar 10 2026 19:14:00 UTC. The fix for the High Disruptions has been deployed and this issue is now mitigated as of Mar 10 2026 21:30:00. Thank you for your patience.
Started Mar 9, 2026 — Resolved Mar 10, 2026
We are currently experiencing Medium Disruptions impacting template messages that include a URL button and a media header. Users on iOS 2.26.8.76 may see a broken experience. This issue started at Mar 06 2026 20:00:00 UTC. We are currently deploying the fix and the expected deployment time is in Mar 13 2026 19:00:00 UTC. We will provide another update within 12 hours or sooner if additional information is available.
Started Mar 3, 2026 — Resolved Mar 4, 2026
We are currently experiencing high disruptions impacting Cloud API - Business Initiated Calling. Our engineering teams are investigating the issue. We will provide another update if additional information is available.
Pricing comparison
| Provider | Plan | Per message | Monthly cost |
|---|---|---|---|
| Plivo | Pay-as-you-go | $0.0077 | $770 |
| Utility + authentication | $0.0034 | $340 |
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.
WhatsApp charges per message for utility and authentication conversations, with graduated volume discounts. Marketing and service conversations have separate rate cards. US rates shown; international rates vary by country.
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
WhatsApp
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
- Reaches over 2 billion users on the platform they already use
- Rich messaging with media, buttons, and interactive elements
- Free 24-hour customer service window for inbound conversations
- High open rates compared to SMS and email
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
- Conversation-based pricing model is more complex than per-message SMS pricing
- Message templates require Meta approval before use, which can take up to 24 hours
- Limited to countries and regions where WhatsApp has significant adoption
Frequently asked questions
What is the difference between Plivo and WhatsApp?
Plivo is a cost-effective communications platform with direct carrier connections, a Twilio-compatible API design, and a 99.99% uptime SLA. WhatsApp is the world's most popular messaging platform, offering rich media messaging, interactive elements, and conversation-based pricing through Meta's Cloud API. Plivo is best suited for cost-effective high-volume sms, while WhatsApp is geared toward rich customer messaging.
Which is cheaper, Plivo or WhatsApp?
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. WhatsApp charges per message for utility and authentication conversations, with graduated volume discounts. Marketing and service conversations have separate rate cards. US rates shown; international rates vary by country. The best value depends on your sending volume and destination countries.
Which is faster, Plivo or WhatsApp?
Based on real-world data from Knock, WhatsApp has a median SMS API response time (p50) of 720ms. We don't yet have enough data for Plivo to make a direct comparison.
Which is more reliable, Plivo or WhatsApp?
From January 2nd to April 2nd, WhatsApp 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, Plivo or WhatsApp?
On the Knock platform, WhatsApp handled <1M messages from January 2nd to April 2nd. WhatsApp is currently trending upward in adoption. We don't yet have enough data for Plivo to compare popularity.
Can I use both Plivo and WhatsApp together?
Yes. Knock enables you to integrate multiple SMS providers into a single notification workflow. You can use Plivo and WhatsApp 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 WhatsApp?
Plivo strengths include among the lowest per-message rates with automatic volume discounts and familiar api design modeled after twilio, making migration straightforward. WhatsApp strengths include reaches over 2 billion users on the platform they already use and rich messaging with media, buttons, and interactive elements. On the other hand, Plivo drawbacks include narrower feature set with no native support for whatsapp or other messaging channels, while WhatsApp drawbacks include conversation-based pricing model is more complex than per-message sms pricing.
Use either provider with Knock
Knock enables you to integrate Plivo, WhatsApp, or any combination of SMS providers into a single notification workflow. Manage templates, orchestrate cross-channel delivery, and switch providers without changing your code.