# LiveKit vs Postmark

**Leader by vioscaleAI score:** LiveKit

| Attribute | LiveKit | Postmark |
|---|---|---|
| **vioscaleAI score** | 68.3 (69% (medium)) | 59.9 (48% (low)) |
| content.faq | `[{"answer":"LiveKit is a platform for developing conversational AI applications with voice and video capabilities. It provides global real-time infrastructure and integrations for telephony, enabling developers to deploy voice agents across web, mobile, and phone interfaces. It is indexed under Communication APIs.","source":"https://livekit.io","question":"What is LiveKit?","confidence":0.6},{"answer":"LiveKit offers a free tier, so you can start without paying. Paid plans start at $50 per month. Pricing changes often, so verify at source before relying on it.","source":"https://livekit.io","question":"Is LiveKit free?","confidence":0.6},{"answer":"We have confirmed browser-based access to LiveKit. 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://livekit.io","question":"What platforms does LiveKit support?","confidence":0.6},{"answer":"We have only confirmed a cloud / SaaS deployment for LiveKit, so it appears to be vendor-hosted. If a self-hosted option exists we have not found it documented publicly.","source":"https://livekit.io","question":"Can LiveKit be self-hosted?","confidence":0.6},{"answer":"We have independently confirmed SOC 2, HIPAA and GDPR for LiveKit. Certifications we do not list are ones we have not been able to verify from public sources, which is not the same as LiveKit not holding them. Always confirm compliance directly before you rely on it.","source":"https://livekit.io","question":"What security certifications does LiveKit have?","confidence":0.48}]` | `[{"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 | LiveKit is a platform for developing conversational AI applications with voice and video capabilities. It provides global real-time infrastructure and integrations for telephony, enabling developers to deploy voice agents across web, mobile, and phone interfaces. | 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 | `{"video":true,"voice":true,"two_way":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 | 1 | 21 |
| integrations.list | `[{"name":"OpenAI"},{"name":"SIP"}]` | `[{"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":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | `{"hqCountry":"US","primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` |
| platform.support | `{"web":true}` | `{"web":true}` |
| pricing | `{"type":"hybrid","plans":[{"free":true,"name":"Build","summary":"$0/mo","features":["Agent deployment","Agent observability","Inference credits","Global edge network","Telephony (1 free number)","Session metrics and analytics","Community support"],"commitment":"monthly","components":[{"kind":"fixed","amount":0,"period":"month","currency":"USD"}],"description":"Start with agent deployment, observability, inference credits, and global edge network","contactSales":false},{"free":false,"name":"Ship","summary":"$50/mo","features":["Everything in Build","Team collaboration","Custom voices","Instant rollback to previous deployments","Email support"],"commitment":"monthly","components":[{"kind":"fixed","amount":50,"period":"month","currency":"USD"}],"description":"Everything in Build plus team collaboration and custom voices","contactSales":false},{"free":false,"name":"Scale","summary":"$500/mo","features":["Everything in Ship","Role-based access","Metrics export APIs","Region pinning","Security reports / HIPAA","Inference discounts"],"commitment":"monthly","components":[{"kind":"fixed","amount":500,"period":"month","currency":"USD"}],"description":"Everything in Ship plus role-based access, metrics export APIs, and security reports","contactSales":false},{"free":false,"name":"Enterprise","features":["Everything in Scale","Volume pricing including inference","Shared Slack channel","SSO Support","Support SLA"],"contactSales":true}],"summary":"Free tier (Build: $0/mo) or starting at $50/mo (Ship). Usage-based per-minute pricing for agent sessions, telephony, LLM, STT, and TTS.","currency":"USD","freeTier":true,"sourceUrl":"https://livekit.io","retrievedAt":"2026-08-03T14:26:53.897Z","startingPrice":{"amount":50,"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 | no | yes |
| reliability.sla_pct | 99.99 | - |
| reliability.status_page | yes | yes |
| security.disclosure_policy | yes | - |
| security.gdpr | yes | yes |
| security.hipaa | yes | - |
| security.soc2 | yes | - |

## Capabilities (Communication APIs)

| Capability | LiveKit | 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 2026-10-16T17:47:17.150Z. "-" = undocumented, not absent.*