# MailerSend vs Stream

**Leader by vioscaleAI score:** Stream

| Attribute | MailerSend | Stream |
|---|---|---|
| **vioscaleAI score** | 67 (63% (medium)) | 80.3 (73% (medium)) |
| content.faq | `[{"answer":"Transactional messaging service for reliably delivering emails, text messages, and WhatsApp communications via API or SMTP integration. It is indexed under Communication APIs.","source":"https://www.mailersend.com/pricing-pl","question":"What is MailerSend?","confidence":0.6},{"answer":"MailerSend offers a free tier, so you can start without paying. Paid plans start at $0.90. 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.mailersend.com/pricing-pl","question":"Is MailerSend free?","confidence":0.6},{"answer":"MailerSend 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.mailersend.com/pricing-pl","question":"What platforms does MailerSend support?","confidence":0.6},{"answer":"We have only confirmed a cloud / SaaS deployment for MailerSend, so it appears to be vendor-hosted. If a self-hosted option exists we have not found it documented publicly.","source":"https://www.mailersend.com/pricing-pl","question":"Can MailerSend be self-hosted?","confidence":0.6},{"answer":"We have confirmed 33 integrations for MailerSend, including Zapier, Supabase, Firebase, Symfony, Slack, Laravel, Airbyte and Airtable, plus 25 more. This is what we could verify from public sources, so the vendor may support others we have not indexed.","source":"https://www.mailersend.com/pricing-pl","question":"What does MailerSend integrate with?","confidence":0.6},{"answer":"We have independently confirmed ISO 27001 and GDPR for MailerSend. Certifications we do not list are ones we have not been able to verify from public sources, which is not the same as MailerSend not holding them. Always confirm compliance directly before you rely on it.","source":"https://www.mailersend.com/pricing-pl","question":"What security certifications does MailerSend have?","confidence":0.6},{"answer":"MailerSend is available worldwide. Its primary markets are the United States and the United Kingdom. The vendor is headquartered in the United States.","source":"https://www.mailersend.com/pricing-pl","question":"Where is MailerSend available?","confidence":0.75}]` | `[{"answer":"A platform providing SDKs and APIs for adding chat messaging, video calling, activity feeds, and content moderation to applications, supporting billions of end users across a globally distributed infrastructure. It is indexed under Communication APIs.","source":"https://getstream.io/activity-feeds/pricing/","question":"What is Stream?","confidence":0.6},{"answer":"Stream offers a free tier, so you can start without paying. Paid plans start at $499 per month. Prices are published openly on the vendor's own pricing page. Pricing changes often, so verify at source before relying on it.","source":"https://getstream.io/activity-feeds/pricing/","question":"Is Stream free?","confidence":0.6},{"answer":"Stream supports the web, iOS and Android. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://getstream.io/activity-feeds/pricing/","question":"What platforms does Stream support?","confidence":0.6},{"answer":"We have only confirmed a cloud / SaaS deployment for Stream, so it appears to be vendor-hosted. If a self-hosted option exists we have not found it documented publicly.","source":"https://getstream.io/activity-feeds/pricing/","question":"Can Stream be self-hosted?","confidence":0.6},{"answer":"We have confirmed 13 integrations for Stream, including Jenkins, GitHub, Slack, Postman, Xcode, Android Studio, React and Flutter, plus 5 more. This is what we could verify from public sources, so the vendor may support others we have not indexed.","source":"https://getstream.io/activity-feeds/pricing/","question":"What does Stream integrate with?","confidence":0.6},{"answer":"We have independently confirmed SOC 2, ISO 27001, HIPAA and GDPR for Stream. Certifications we do not list are ones we have not been able to verify from public sources, which is not the same as Stream not holding them. Always confirm compliance directly before you rely on it.","source":"https://getstream.io/blog/content-compliance/","question":"What security certifications does Stream have?","confidence":0.7}]` |
| deployment.options | `{"cloud":true}` | `{"cloud":true}` |
| description.long | A cloud messaging platform that enables developers to send transactional emails and text messages through an API, with built-in tools for managing delivery and tracking engagement | Stream provides developer-friendly APIs and pre-built SDKs that integrate chat, live video, activity feeds, and automated content moderation into applications, allowing developers to add complex real-time features without building infrastructure from scratch. |
| features.capabilities | `{"sms":true,"email":true,"two_way":true,"whatsapp":true,"verify_otp":true,"global_coverage":"regional","deliverability_tools":true,"usage_pricing_transparent":true}` | `{"chat":true,"video":true,"voice":true,"two_way":true,"global_coverage":"global","usage_pricing_transparent":true}` |
| integrations.count | 33 | 14 |
| integrations.list | `[{"name":"Zapier"},{"name":"Supabase"},{"name":"Firebase"},{"name":"Symfony"},{"name":"Slack"},{"name":"Laravel"},{"name":"Airbyte"},{"name":"Airtable"},{"name":"Anymail"},{"name":"ChatGPT"},{"name":"Claude"},{"name":"Courier"},{"name":"Cursor"},{"name":"Django"},{"name":"Google Cloud"},{"name":"Integrately"},{"name":"Knock"},{"name":"Magento"},{"name":"Mailster"},{"name":"Make"},{"name":"NocoDB"},{"name":"Novu"},{"name":"Pabbly Connect"},{"name":"Partnero"},{"name":"Pipedream"},{"name":"Rails"},{"name":"React Email"},{"name":"Relay.app"},{"name":"Tabular"},{"name":"VSCode"},{"name":"WHMCS"},{"name":"WooCommerce"},{"name":"WordPress"}]` | `[{"name":"Jenkins"},{"name":"GitHub"},{"name":"Slack"},{"name":"Postman"},{"name":"Xcode"},{"name":"Android Studio"},{"name":"React"},{"name":"React Native"},{"name":"Flutter"},{"name":"Swift"},{"name":"SwiftUI"},{"name":"Kotlin"},{"name":"Jetpack Compose"},{"name":"Expo"},{"name":"Vercel AI SDK","native":true,"direction":"bidirectional"}]` |
| market.availability | `{"hqCountry":"US","primaryMarkets":["US","GB"],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | `{"primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` |
| platform.support | `{"cli":true,"web":true}` | `{"ios":true,"web":true,"android":true}` |
| pricing | `{"type":"subscription","plans":[{"free":true,"name":"Free","summary":"Free, 500 emails/month","features":["Email API and SMTP relay","Email threading support","Drag-and-drop email builder","1,000 API requests per day","1 domain","10 templates"],"components":[{"kind":"fixed","amount":0,"period":"month","currency":"USD"}],"description":"For personal projects and testing","contactSales":false,"includedLimits":{"emails":"500/month"}},{"free":false,"name":"Hobby","summary":"$7/month","features":["Everything in Free, plus","User roles and permissions","24-hour data retention","10 templates","1-day activity log retention","1,000 API requests per day"],"components":[{"kind":"fixed","amount":7,"period":"month","currency":"USD"}],"description":"For personal projects and side projects","contactSales":false,"includedLimits":{"sms":"100/month","emails":"500/month"}},{"free":false,"name":"Starter","features":["Everything in Hobby, plus","50 sender identities","Inbound routing","SMS API (US and Canada)","5 users","250 templates","7-day activity retention","100,000 API requests per day"],"description":"For growing startups and small businesses","contactSales":false},{"free":false,"name":"Professional","summary":"$25/month + $0.90 per 1,000 additional emails","features":["Everything in Starter, plus","1,000 domains","Unlimited templates","High-throughput API","Unlimited users","30-day activity retention","500,000 API requests per day"],"components":[{"kind":"fixed","amount":25,"period":"month","currency":"USD"},{"per":{"qty":1000,"unit":"emails"},"kind":"metered","amount":0.9,"currency":"USD"}],"description":"For agencies and white-label resellers sending at scale","contactSales":false}],"addOns":[{"name":"WhatsApp messaging"},{"name":"Email verification credits"},{"name":"Domain spaces","components":[{"kind":"fixed","amount":4,"period":"month","currency":"USD"}]},{"name":"Phone numbers (SMS)","components":[{"kind":"fixed","amount":2,"period":"month","currency":"USD"}]},{"name":"DMARC domain monitoring","components":[{"kind":"fixed","amount":5,"period":"month","currency":"USD"}]}],"summary":"From $7/month. Free tier with 500 emails/month. 14-day free Professional trial.","currency":"USD","freeTier":true,"sourceUrl":"https://www.mailersend.com/pricing-pl","retrievedAt":"2026-09-03T22:55:26.093Z","freeTrialDays":14,"startingPrice":{"amount":7,"period":"month","currency":"USD"},"billingPeriods":["month","year"]}` | `{"type":"subscription","plans":[{"free":true,"name":"Build","summary":"Free tier for makers (projects with <5 team members and <$10k/month revenue) or $100/month credit","features":["REST API","SDKs (Node, Python, Ruby, PHP)","Webhooks","Customizable UI","Flat & Timeline Feeds","Notification & Aggregated Feeds","SOC2/ISO27001/CCPA/GDPR","Global Edge Network"],"components":[{"kind":"fixed","amount":0,"period":"month","currency":"USD"}],"contactSales":false,"includedLimits":{"api_calls":"125k/month","activities":"5k/month"}},{"free":false,"name":"Start","summary":"$499/month (annual commitment) or $599/month (monthly). Overages: $25 per 1k activities, $9 per 10k API calls","features":["Ranked Feeds","Ticketed Support","Dedicated Regional Servers","HIPAA","2FA","Audit Logs","24/7 Phone Support","Dedicated Slack Channel"],"commitment":"annual","components":[{"kind":"fixed","amount":499,"period":"month","currency":"USD"}],"contactSales":false,"includedLimits":{"api_calls":"1.25M/month","activities":"50k/month"}},{"free":false,"name":"Elevate","summary":"$899/month (annual commitment) or $999/month (monthly). Overages: $23 per 1k activities, $9 per 10k API calls","features":["All Start features"],"commitment":"annual","components":[{"kind":"fixed","amount":899,"period":"month","currency":"USD"}],"contactSales":false,"includedLimits":{"api_calls":"3.75M/month","activities":"150k/month"}},{"free":false,"name":"Enterprise","summary":"Custom pricing with activity-based model","features":["99.999% SLA","SAML/SSO","Private Dedicated Servers","24/7 Support","Activity-based pricing","Scale to 100M+ users"],"contactSales":true}],"addOns":[{"name":"Image & File CDN","components":[{"per":{"qty":1,"unit":"GB"},"kind":"metered","amount":0.17,"currency":"USD"},{"per":{"qty":1,"unit":"GB"},"kind":"metered","amount":0.07,"currency":"USD"},{"per":{"qty":1000,"unit":"images"},"kind":"metered","amount":5.8,"currency":"USD"}]}],"summary":"From $499/month. Free tier for makers. Usage-based overage charges.","currency":"USD","freeTier":true,"sourceUrl":"https://getstream.io/activity-feeds/pricing/","retrievedAt":"2026-09-22T14:42:50.701Z","startingPrice":{"amount":499,"period":"month","currency":"USD"},"billingPeriods":["month","year"]}` |
| pricing.free_tier | yes | yes |
| pricing.model | commercial | freemium |
| pricing.price_level | unknown | high |
| pricing.starting_price | `{"amount":7,"currency":"USD"}` | `{"amount":499,"currency":"USD"}` |
| pricing.transparent | yes | yes |
| reliability.sla_pct | 99.5 | 99.999 |
| reliability.status_page | yes | yes |
| security.certifications | `[{"name":"ISO 27001","status":"active"}]` | - |
| security.disclosure_policy | - | yes |
| security.gdpr | yes | yes |
| security.hipaa | - | yes |
| security.iso27001 | yes | yes |
| security.pci | yes | - |
| security.soc2 | - | yes |
| security.trust_center | - | https://getstream.io/blog/content-compliance/ |

## Capabilities (Communication APIs)

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

*Source: vioscaleAI. Generated 2026-10-30T08:55:15.932Z. "-" = undocumented, not absent.*