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) |
|---|---|---|---|---|
| — | — | 0 | 0 |
| <1M | 4th of 7 → | 4 | 14 |
From January 24th to April 24th, Knock routed <1M messages through WhatsApp. WhatsApp reported 14 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.
WhatsApp has a median response time (p50) of 679ms, a p90 of 1066ms, and a p99 of 1709ms from January 24th to April 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% |
|---|---|---|---|---|---|
| — | — | — | — | — |
| 0.06% | 2.39% | Apr 13 | 90 | 1 |
Averaged across January 24th to April 24th, WhatsApp shows a 0.06% 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
No incidents reported in the last 90 days
Recent WhatsApp incidents
Recent status page incidents for WhatsApp
Started Apr 22, 2026 — Resolved Apr 22, 2026
We are currently experiencing medium disruptions impacting webhooks for Cloud API - Calling. Our engineering teams are investigating the issue. We will provide another update soon.
Started Apr 20, 2026 — Resolved Apr 20, 2026
We are currently experiencing medium disruptions impacting onboarding on COEX. This issue started at 9:00 AM PST. Our engineering teams are investigating the issue. We will provide another update within 6 hours or sooner if additional information is available.
Started Apr 10, 2026 — Resolved Apr 10, 2026
Our engineering teams have identified the root cause of the high disruptions impacting Embedded Signup. We are currently deploying the fix and we will provide another update soon.
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.
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 679ms. We don't yet have enough data for Plivo to make a direct comparison.
Which is more reliable, Plivo or WhatsApp?
From January 24th to April 24th, WhatsApp showed an error rate of 0.06%. 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 24th to April 24th. WhatsApp volume has remained stable. 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.