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) |
|---|---|---|---|---|
— | — | 5 | 12 | |
<1M | 4th of 7 ↑ | 12 | 20 |
From March 26th to June 24th, Knock routed <1M messages through WhatsApp. WhatsApp reported 20 status page updates over the last 90 days, while Plivo reported 12.
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 682ms, a p90 of 1093ms, and a p99 of 1528ms from March 26th to June 24th. 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% |
|---|---|---|---|---|---|
— | — | — | — | — | |
0.96% | 41.67% | Jun 12 | 87 | 4 |
Averaged across March 26th to June 24th, WhatsApp shows a 0.96% 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 Jun 19, 2026 — Resolved Jun 19, 2026
Jun 19, 13:57 UTC Resolved - This incident has been resolved. Jun 19, 13:27 UTC Monitoring - A fix has been implemented and we are monitoring the results. Jun 19, 13:01 UTC Investigating - Dear Valued Customer, We are experiencing call failures in the India and US region.
Started Jun 15, 2026 — Resolved Jun 15, 2026
Jun 15, 06:00 UTC Resolved - Dear Valued Customer, We recently experienced call failures in the India region for the 911600 series numbers. After initial investigation, our carrier partner was notified, who took corrective action and the incident was resolved Incident Start Time: 15th June 2026, 11:15 IST Incident End Time: 15th June 2026, 11:45 IST If you have any questions or concerns regarding this incident, please contact Plivo Support. Support portal: https://support.plivo.com/hc/en-us
Started Jun 12, 2026 — Resolved Jun 12, 2026
Jun 12, 17:21 UTC Resolved - This incident has been resolved. Jun 12, 16:30 UTC Monitoring - Dear Valued Customer, We are aware of elevated error rates and message delays affecting WhatsApp messaging on the Plivo platform. This is caused by an ongoing disruption with WhatsApp's Cloud API, part of a broad Meta platform outage currently affecting multiple Meta services. The issue originates upstream at Meta and is not specific to Plivo's infrastructure. Impact: Messages sent to or received f
Started Jun 12, 2026 — Resolved Jun 12, 2026
Jun 12, 09:13 UTC Resolved - This incident has been resolved. Jun 12, 05:21 UTC Investigating - Dear Valued Customer, We are observing intermittent outbound call failures in the India region. Calls from specific series of 9180 Caller IDs are impacted. All other services are operating normally. We are working with our carrier partner to resolve this
Started Jun 6, 2026 — Resolved Jun 6, 2026
Jun 6, 13:00 UTC Resolved - Incident Summary — Elevated Call Failure Rate on 9180 Number Series. Specific number series of 9180 were impacted for outbound calls. Incident Window: 5th June 2026, 6:30 PM IST — 6th June 11:30 AM IST Impact: Outbound calls to the 9180 number series were affected throughout the incident window. The failure rate reached approximately 34% at peak. Other number series and carrier paths were unaffected. The issue appeared to partially ease during low-traffic overnig
Recent WhatsApp incidents
Recent status page incidents for WhatsApp
Started Jun 23, 2026 — Resolved Jun 23, 2026
We are currently experiencing high disruptions impacting sending messages on Coexistence - Messaging. This issue started at 2:24PM on June 24th. Our engineering teams are investigating the issue. We will provide another update within 1 hour or sooner if additional information is available.
Started Jun 23, 2026 — Resolved Jun 23, 2026
We are currently experiencing high disruptions impacting sending messages on Coexistence - Onboarding. This issue started at 2:24PM on June 24th. Our engineering teams are investigating the issue. We will provide another update within 1 hour or sooner if additional information is available.
Started Jun 23, 2026 — Resolved Jun 23, 2026
We are currently experiencing medium disruptions impacting the WhatApp Cloud API Calling. This issue started at 02:24PM GMT on June 24th. Our engineering teams are investigating the issue. We will provide another update within 4 hours or sooner if additional information is available.
Started Jun 23, 2026 — Resolved Jun 23, 2026
We are currently experiencing medium disruptions impacting the WhatsApp Cloud API. This issue started at 2:24PM GMT on June 24th. Our engineering teams are investigating the issue. We will provide another update within 4 hour or sooner if additional information is available.
Started Jun 23, 2026 — Resolved Jun 23, 2026
We are currently experiencing medium disruptions impacting the Marketing Messages API on WhatsApp. This issue started at 2:24PM GMT on June 24th. Our engineering teams are investigating the issue. We will provide another update within 4 hour or sooner 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 682ms. We don't yet have enough data for Plivo to make a direct comparison.
Which is more reliable, Plivo or WhatsApp?
From March 26th to June 24th, WhatsApp showed an error rate of 0.96%. 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 March 26th to June 24th. 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.