# Courier vs Postmark

**Leader by vioscaleAI score:** Courier

| Attribute | Courier | Postmark |
|---|---|---|
| **vioscaleAI score** | 67.1 (70% (medium)) | 59.9 (48% (low)) |
| content.faq | `[{"answer":"A platform that enables software companies to send and manage customer notifications across multiple channels using workflow automation, message templates, and built-in analytics. It is indexed under Communication APIs.","source":"https://www.courier.com","question":"What is Courier?","confidence":0.6},{"answer":"Courier offers a free tier, so you can start without paying. Paid plans start at $0.01. 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.courier.com","question":"Is Courier free?","confidence":0.6},{"answer":"We have confirmed browser-based access to Courier. 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://www.courier.com","question":"What platforms does Courier support?","confidence":0.6},{"answer":"We have only confirmed a cloud / SaaS deployment for Courier, so it appears to be vendor-hosted. If a self-hosted option exists we have not found it documented publicly.","source":"https://www.courier.com","question":"Can Courier be self-hosted?","confidence":0.6},{"answer":"We have confirmed 4 integrations for Courier, including Amply, AWS SES, Postmark and Mailgun. This is what we could verify from public sources, so the vendor may support others we have not indexed.","source":"https://www.courier.com","question":"What does Courier integrate with?","confidence":0.6},{"answer":"We have independently confirmed SOC 2, HIPAA and GDPR for Courier. Certifications we do not list are ones we have not been able to verify from public sources, which is not the same as Courier not holding them. Always confirm compliance directly before you rely on it.","source":"https://security.courier.com","question":"What security certifications does Courier have?","confidence":0.7}]` | `[{"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 notification platform that consolidates email, SMS, push, and chat delivery across multiple third-party providers, offering centralized routing, templating, automatic failover, and in-app notifications through one API. | 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":false,"sms":true,"chat":true,"email":true,"video":false,"voice":false,"two_way":false,"whatsapp":true,"verify_otp":false,"global_coverage":"global","deliverability_tools":true,"usage_pricing_transparent":false}` | `{"email":true,"two_way":true,"global_coverage":"global","deliverability_tools":true,"usage_pricing_transparent":true}` |
| integrations.count | 27 | 21 |
| integrations.list | `[{"name":"Amply"},{"name":"AWS SES"},{"name":"Postmark"},{"name":"Mailgun"},{"name":"Gmail","category":"email","direction":"outbound"},{"name":"MailerSend","category":"email","direction":"outbound"},{"name":"Mailchimp","category":"email","direction":"outbound"},{"name":"SendGrid","category":"email","direction":"outbound"},{"name":"SMTP","category":"email","direction":"outbound"},{"name":"AWS SNS","category":"sms","direction":"outbound"},{"name":"Azure SMS","category":"sms","direction":"outbound"},{"name":"MessageMedia","category":"sms","direction":"outbound"},{"name":"SMSCentral","category":"sms","direction":"outbound"},{"name":"Twilio","category":"sms","direction":"outbound"},{"name":"Vonage","category":"sms","direction":"outbound"},{"name":"Apple Push Notifications","category":"push","direction":"outbound"},{"name":"Firebase","category":"push","direction":"outbound"},{"name":"Google FCM","category":"push","direction":"outbound"},{"name":"Slack","category":"chat","direction":"outbound"},{"name":"Microsoft Teams","category":"chat","direction":"outbound"},{"name":"StreamChat","category":"chat","direction":"outbound"},{"name":"WhatsApp","category":"messaging","direction":"outbound"},{"name":"Segment","category":"cdp"},{"name":"Datadog","category":"monitoring"},{"name":"Okta","category":"sso"},{"name":"Courier","category":"in-app","direction":"outbound"},{"name":"Webhook"}]` | `[{"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":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` |
| platform.support | `{"cli":true,"ios":true,"web":true,"android":true}` | `{"web":true}` |
| pricing | `{"type":"usage","plans":[{"free":true,"name":"Developer","summary":"Free, 10,000 sends/month","features":["10,000 sends per month","Journeys & broadcasts","MCP server, CLI, & SDKs","SSO via Google, Github","Email support"],"description":"For developers building with Courier","contactSales":false,"includedLimits":{"sends":"10,000/month"}},{"free":false,"name":"Business","summary":"$0.005 per send","features":["All Developer features","Pay-as-you-go pricing","AI Translations","AI Agent node","Email & chat support"],"components":[{"per":{"qty":1,"unit":"send"},"kind":"metered","amount":0.005,"currency":"USD"}],"description":"Pay-as-you-grow usage pricing","contactSales":false},{"free":false,"name":"Enterprise","summary":"Custom pricing with volume discounts","features":["All Business features","Volume pricing","Dedicated Slack channel","Observability integrations","Role-based access control","Enterprise SLA","EU Data Residency"],"description":"For high-volume deployments","contactSales":true}],"summary":"Free tier with 10,000 sends/month, then $0.005 per send. No per-seat or channel fees.","currency":"USD","freeTier":true,"sourceUrl":"https://www.courier.com","retrievedAt":"2026-08-03T14:25:03.299Z","startingPrice":{"amount":0.005,"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.status_page | yes | yes |
| security.disclosure_policy | yes | - |
| security.gdpr | yes | yes |
| security.hipaa | yes | - |
| security.pci | yes | - |
| security.soc2 | yes | - |

## Capabilities (Communication APIs)

| Capability | Courier | 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 2026-10-16T20:06:21.657Z. "-" = undocumented, not absent.*