# Plivo vs Postmark

**Leader by Vioscale score:** Plivo

| Attribute | Plivo | Postmark |
|---|---|---|
| **Vioscale score** | 79 (73% (medium)) | 63.1 (49% (low)) |
| deployment.options | `{"cloud":true}` | `{"cloud":true}` |
| description.long | A cloud telephony and contact center platform that enables businesses to deploy AI agents and handle customer interactions across voice calls, SMS, WhatsApp, email, and chat through programmable APIs and a unified agent interface. | A transactional email platform that sends emails through API and SMTP endpoints, with built-in capabilities for tracking delivery success, handling bounces, and processing inbound messages. Designed for developers who need to integrate email delivery into applications. |
| features.capabilities | `{"rcs":true,"sms":true,"chat":true,"email":true,"voice":true,"two_way":true,"whatsapp":true,"global_coverage":"global","usage_pricing_transparent":true}` | `{"email":true,"two_way":true,"global_coverage":"global","deliverability_tools":true,"usage_pricing_transparent":true}` |
| integrations.count | 9 | 22 |
| integrations.list | `[{"name":"LiveKit"},{"name":"Pipecat"},{"name":"OpenAI"},{"name":"Google Gemini"},{"name":"Deepgram"},{"name":"Cartesia"},{"name":"ElevenLabs"},{"name":"Vapi"},{"name":"OpenAI Realtime"}]` | `[{"name":"Mailcoach"},{"name":"Datadog"},{"name":"Craft CMS"},{"name":"Customer.io"},{"name":"ActiveCampaign"},{"name":"Supabase"},{"name":"Bubble"},{"name":"Figma"},{"name":"Google Sheets"},{"name":"Gravity Forms"},{"name":"Gravity SMTP for WordPress"},{"name":"Netlify"},{"name":"Slack"},{"name":"Stripe"},{"name":"Stripo"},{"name":"Typeform"},{"name":"WordPress"},{"name":"WP Mail SMTP"},{"name":"Zapier"},{"name":"Tabular"},{"name":"SureTriggers"},{"name":"Marka Email Generator"}]` |
| market.availability | `{"hqCountry":"US","primaryMarkets":["US"],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | `{"hqCountry":"US","primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` |
| platform.support | `{"cli":true,"web":true}` | `{"web":true}` |
| pricing | `{"type":"usage","plans":[{"free":false,"name":"Voice API","summary":"From $0.0028/minute","features":["Make and receive calls","Browser SDK support","SIP trunking"],"components":[{"per":{"qty":1,"unit":"minute"},"kind":"metered","amount":0.0028,"currency":"USD"}],"contactSales":false},{"free":false,"name":"AI Agents","summary":"$0.04/minute all-inclusive","features":["Conversational voice agents","No-code agent builder"],"components":[{"per":{"qty":1,"unit":"minute"},"kind":"metered","amount":0.04,"currency":"USD"}],"contactSales":false},{"free":false,"name":"Plivo CX","summary":"$228/year","features":["Omnichannel analytics","Sentiment analysis","Unified agent desktop","AI-powered insights"],"commitment":"annual","components":[{"kind":"fixed","amount":228,"period":"year","currency":"USD"}],"contactSales":false}],"summary":"Usage-based pricing from $0.0028/min for voice and $0.04/min for AI agents. Plivo CX at $228/year. Free tier includes $10 credits.","currency":"USD","freeTier":true,"sourceUrl":"https://www.plivo.com/blog/best-customer-analytics-tools-reviews-pricing/","retrievedAt":"2026-08-14T13:40:40.816Z","startingPrice":{"amount":0.0028,"period":"month","currency":"USD"},"billingPeriods":["month"]}` | `{"type":"subscription","plans":[{"free":true,"name":"Free","summary":"$0/mo","features":["100 emails/month","REST API","SMTP","Transactional email","Sandbox Mode","Up to 10 custom domains","45-day retention","Up to 10 users"],"components":[{"kind":"fixed","amount":0,"period":"month","currency":"USD"}],"description":"For testing and evaluation","contactSales":false,"includedLimits":{"emails":"100/mo"}},{"free":false,"name":"Basic","summary":"$15/mo + $1.80 per 1,000 overage emails","features":["10,000+ emails/month","Industry-leading deliverability","45-day retention","5 custom domains","Unlimited emails/day","Detailed analytics","Up to 4 users","Up to 15 message streams"],"components":[{"kind":"fixed","amount":15,"period":"month","currency":"USD"},{"per":{"qty":1000,"unit":"emails"},"kind":"metered","amount":1.8,"currency":"USD"}],"description":"For solo developers and smaller teams","contactSales":false,"includedLimits":{"emails":"10,000/mo"}},{"free":false,"name":"Pro","summary":"$16.50/mo + $1.30 per 1,000 overage emails","features":["10,000+ emails/month","Industry-leading deliverability","Customizable retention up to 365 days","10 custom domains","Unlimited emails/day","Inbound email processing","Bulk Email API","Detailed analytics","Up to 6 users","Up to 30 message streams"],"components":[{"kind":"fixed","amount":16.5,"period":"month","currency":"USD"},{"per":{"qty":1000,"unit":"emails"},"kind":"metered","amount":1.3,"currency":"USD"}],"description":"For startups and small businesses","contactSales":false,"includedLimits":{"emails":"10,000/mo"}},{"free":false,"name":"Platform","summary":"$18/mo + $1.20 per 1,000 overage emails","features":["10,000+ emails/month","Industry-leading deliverability","Customizable retention up to 365 days","Unlimited custom domains","Unlimited emails/day","Inbound email processing","Bulk Email API","Detailed analytics","Unlimited users","Unlimited message streams"],"components":[{"kind":"fixed","amount":18,"period":"month","currency":"USD"},{"per":{"qty":1000,"unit":"emails"},"kind":"metered","amount":1.2,"currency":"USD"}],"description":"For agencies and larger teams","contactSales":false,"includedLimits":{"emails":"10,000/mo"}}],"addOns":[{"name":"Dedicated IPs","components":[{"kind":"fixed","amount":50,"period":"month","currency":"USD"}]},{"name":"Custom activity retention","components":[{"kind":"fixed","amount":5,"period":"month","currency":"USD"}]}],"summary":"From $15/mo. Free tier with 100 emails/month. Pay-as-you-go overages starting at $1.80 per 1,000 emails.","currency":"USD","freeTier":true,"sourceUrl":"https://postmarkapp.com","retrievedAt":"2026-08-05T14:11:12.615Z","startingPrice":{"amount":1.2,"period":"month","currency":"USD"},"billingPeriods":["month"]}` |
| pricing.free_tier | yes | yes |
| pricing.model | freemium | freemium |
| pricing.price_level | low | low |
| pricing.transparent | yes | yes |
| reliability.sla_pct | 99.99 | - |
| reliability.status_page | yes | yes |
| security.gdpr | yes | yes |
| security.hipaa | yes | - |
| security.soc2 | yes | - |

## Capabilities (Communication APIs)

| Capability | Plivo | Postmark |
|---|:--:|:--:|
| **Channels** |  |  |
| SMS | ✓ | - |
| Voice | ✓ | - |
| WhatsApp | ✓ | - |
| RCS | ✓ | - |
| Transactional email | ✓ | ✓ |
| Video / real-time | - | - |
| In-app chat | ✓ | - |
| Verify / OTP / 2FA | - | - |
| **Messaging** |  |  |
| Two-way messaging | ✓ | ✓ |
| **Reach** |  |  |
| Geographic coverage | Global | Global |
| **Delivery** |  |  |
| Email deliverability tools | - | ✓ |
| **Commercial** |  |  |
| Published per-unit pricing | ✓ | ✓ |

*Source: Vioscale. Generated 2026-09-01T16:29:43.601Z. "-" = undocumented, not absent.*