# Plivo vs Postmark

**Leader by vioscaleAI score:** Plivo

| Attribute | Plivo | Postmark |
|---|---|---|
| **vioscaleAI score** | 78.6 (72% (medium)) | 59.9 (48% (low)) |
| content.faq | `[{"answer":"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. It is indexed under Communication APIs.","source":"https://www.plivo.com/blog/best-customer-analytics-tools-reviews-pricing/","question":"What is Plivo?","confidence":0.6},{"answer":"Plivo offers a free tier, so you can start without paying. Paid plans start at $228 per year. Prices are published openly on the vendor's own pricing page. Pricing changes often, so verify at source before relying on it.","source":"https://www.plivo.com/blog/best-customer-analytics-tools-reviews-pricing/","question":"Is Plivo free?","confidence":0.6},{"answer":"Plivo supports the web and a command-line interface. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://www.plivo.com/blog/best-customer-analytics-tools-reviews-pricing/","question":"What platforms does Plivo support?","confidence":0.6},{"answer":"We have only confirmed a cloud / SaaS deployment for Plivo, so it appears to be vendor-hosted. If a self-hosted option exists we have not found it documented publicly.","source":"https://www.plivo.com/blog/best-customer-analytics-tools-reviews-pricing/","question":"Can Plivo be self-hosted?","confidence":0.6},{"answer":"We have confirmed 18 integrations for Plivo, including LiveKit, Pipecat, OpenAI, Google Gemini, Deepgram, Cartesia, ElevenLabs and Vapi, plus 10 more. This is what we could verify from public sources, so the vendor may support others we have not indexed.","source":"https://www.plivo.com/blog/best-customer-analytics-tools-reviews-pricing/","question":"What does Plivo integrate with?","confidence":0.6},{"answer":"We have independently confirmed SOC 2, HIPAA and GDPR for Plivo. Certifications we do not list are ones we have not been able to verify from public sources, which is not the same as Plivo not holding them. Always confirm compliance directly before you rely on it.","source":"https://www.plivo.com/blog/phone-number-compliance-in-console/","question":"What security certifications does Plivo have?","confidence":0.7},{"answer":"Plivo is available worldwide. Its primary market is the United States.","source":"https://www.plivo.com/blog/best-customer-analytics-tools-reviews-pricing/","question":"Where is Plivo available?","confidence":0.75}]` | `[{"answer":"A service for reliably sending transactional emails from applications using REST API or SMTP, with libraries available for multiple programming languages. It is indexed under Communication APIs.","source":"https://postmarkapp.com","question":"What is Postmark?","confidence":0.6},{"answer":"Postmark offers a free tier, so you can start without paying. Paid plans start at $1.20. Prices are published openly on the vendor's own pricing page. Pricing changes often, so verify at source before relying on it.","source":"https://postmarkapp.com","question":"Is Postmark free?","confidence":0.6},{"answer":"We have confirmed browser-based access to Postmark. That is the extent of what we could verify from public sources, so it may well offer desktop or mobile clients we have not indexed.","source":"https://postmarkapp.com","question":"What platforms does Postmark support?","confidence":0.6},{"answer":"We have only confirmed a cloud / SaaS deployment for Postmark, so it appears to be vendor-hosted. If a self-hosted option exists we have not found it documented publicly.","source":"https://postmarkapp.com/blog/announcing-lower-pricing-and-monthly-plans","question":"Can Postmark be self-hosted?","confidence":0.6},{"answer":"We have confirmed 21 integrations for Postmark, including Mailcoach, Datadog, Craft CMS, Customer.io, ActiveCampaign, Supabase, Bubble and Figma, plus 13 more. This is what we could verify from public sources, so the vendor may support others we have not indexed.","source":"https://postmarkapp.com/blog/announcing-lower-pricing-and-monthly-plans","question":"What does Postmark integrate with?","confidence":0.6},{"answer":"We have independently confirmed GDPR for Postmark. Certifications we do not list are ones we have not been able to verify from public sources, which is not the same as Postmark not holding them. Always confirm compliance directly before you rely on it.","source":"https://postmarkapp.com/eu-privacy","question":"What security certifications does Postmark have?","confidence":0.7},{"answer":"Postmark is available worldwide. The vendor is headquartered in the United States.","source":"https://postmarkapp.com/blog/announcing-lower-pricing-and-monthly-plans","question":"Where is Postmark available?","confidence":0.75}]` |
| 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. | Postmark is a transactional email service that connects with popular CMS platforms, marketing automation tools, forms providers, and business applications to send reliable emails across your workflows. |
| features.capabilities | `{"rcs":true,"sms":true,"chat":true,"email":true,"voice":true,"two_way":true,"whatsapp":true,"verify_otp":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 | 12 | 21 |
| integrations.list | `[{"name":"LiveKit"},{"name":"Pipecat"},{"name":"OpenAI"},{"name":"Google Gemini"},{"name":"Deepgram"},{"name":"Cartesia"},{"name":"ElevenLabs"},{"name":"Vapi"},{"name":"OpenAI Realtime"},{"name":"Zapier","native":true,"category":"automation"},{"name":"Slack","category":"chat"},{"name":"Gmail","category":"email"},{"name":"Google Sheets"},{"name":"Tray","native":true,"category":"automation"},{"name":"EngageBay","category":"crm"},{"name":"Auth0"},{"name":"Salesforce","native":true,"category":"crm"},{"name":"HubSpot","native":true,"category":"crm"},{"name":"Zendesk","native":true,"category":"crm"}]` | `[{"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 | `{"primaryMarkets":["US"],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | `{"hqCountry":"US","primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` |
| platform.support | `{"cli":true,"web":true}` | `{"web":true}` |
| pricing | `{"type":"hybrid","plans":[{"free":false,"name":"Plivo CX Starter","summary":"$228/year","commitment":"annual","components":[{"kind":"fixed","amount":228,"period":"year","currency":"USD"}],"contactSales":false},{"free":false,"name":"Plivo CX Standard","summary":"$348/user/year","minSeats":1,"commitment":"annual","components":[{"kind":"per_unit","unit":"seat","amount":348,"period":"year","currency":"USD"}],"description":"2000 monthly agent minutes, 100 bot sessions per agent, 2000 chat sessions per agent","contactSales":false,"includedLimits":{"bot_sessions":"100/agent","agent_minutes":"2000/month","chat_sessions":"2000/agent"}},{"free":false,"name":"Plivo CX Professional","summary":"$828/user/year","minSeats":1,"commitment":"annual","components":[{"kind":"per_unit","unit":"seat","amount":828,"period":"year","currency":"USD"}],"description":"3000 monthly agent minutes, 500 bot sessions per agent, 3000 chat sessions per agent","contactSales":false,"includedLimits":{"bot_sessions":"500/agent","agent_minutes":"3000/month","chat_sessions":"3000/agent"}},{"free":true,"name":"Voice AI Agents","summary":"From $0.0028/minute","components":[{"per":{"qty":1,"unit":"minute"},"kind":"metered","amount":0.0028,"currency":"USD"}],"description":"Usage-based pricing for voice AI agents","contactSales":false}],"summary":"From $228/year for contact center or $0.0028/minute for voice AI agents. Free tier with $10 credits.","currency":"USD","freeTier":true,"sourceUrl":"https://www.plivo.com/blog/best-customer-analytics-tools-reviews-pricing/","retrievedAt":"2026-09-04T13:28:33.133Z","startingPrice":{"amount":228,"period":"year","currency":"USD"},"billingPeriods":["year"]}` | `{"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 | high | low |
| pricing.starting_price | `{"amount":228,"currency":"USD"}` | - |
| pricing.transparent | yes | yes |
| reliability.sla_pct | 99.99 | - |
| reliability.status_page | yes | yes |
| security.gdpr | yes | yes |
| security.hipaa | yes | - |
| security.pci | yes | - |
| security.soc2 | yes | - |
| security.trust_center | https://www.plivo.com/blog/phone-number-compliance-in-console/ | - |

## 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: vioscaleAI. Generated 2026-10-16T20:10:25.627Z. "-" = undocumented, not absent.*