Comparison

Resend vs Stream

On the evidence we track, Stream leads this comparison with a composite score of 80/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

Machine formatsMarkdownJSONGraphQLMarkdown is open. JSON and GraphQL need a free key.
Resend57
★Stream80
Score
vioscaleAI score
Resend57 / 100medium · 71%
Stream80 / 100medium · 73%
Pricing
Free tier
Resend✓
Stream✓
Model
Streamfreemium
Price level
Resendmid
Streamhigh
Starting price
Resend–
Stream$499
Transparent
Resend✓
Stream✓
Integrations
Count
Resend10
Stream14
Security
Disclosure policy
Resend✓
Stream✓
Gdpr
Resend✓
Stream✓
Hipaa
Resend–
Stream✓
Iso27001
Resend–
Stream✓
Soc2
Resend✓
Stream✓
Reliability
Sla pct
Resend–
Stream99.999
Status page
Resend✓
Stream✓
Content
Faq
Resend7 items
Stream6 items

Capabilities

Feature-by-feature on the axes that matter for communication apis. “-” means undocumented, not absent.

Channels
SMS
Resend-
Stream-
Voice
Resend-
Stream✓
WhatsApp
Resend-
Stream-
RCS
Resend-
Stream-
Transactional email
Resend✓
Stream-
Video / real-time
Resend-
Stream✓
In-app chat
Resend✓
Stream✓
Verify / OTP / 2FA
Resend-
Stream-
Messaging
Two-way messaging
Resend✓
Stream✓
Reach
Geographic coverage
ResendGlobal
StreamGlobal
Delivery
Email deliverability tools
Resend✓
Stream-
Commercial
Published per-unit pricing
Resend✓
Stream✓

What each one is

The product in its own terms, so the numbers below have context.

Resend

A cloud-based email delivery platform that enables developers to send transactional and marketing emails at scale with a developer-friendly API, SDKs, and visual editor. It provides real-time webhook notifications, contact management, analytics, and email compatibility checking.

Independently observed

Stream

Leader

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.

Independently observed

Pricing

List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.

Resend

from $20/moHybrid

From $20/mo. Pay-as-you-go overages at $0.90 per 1,000 emails.

  • Transactional Pro$20/mo for 50,000 emails
as of verify ↗

Stream

Leader
from $499/moSubscriptionFree tier

From $499/month. Free tier for makers. Usage-based overage charges.

  • BuildFree
    • REST API
    • SDKs (Node, Python, Ruby, PHP)
    • Webhooks
    • Customizable UI
    • Flat & Timeline Feeds
    • +3 more
  • Start$499/month (annual commitment) or $599/month (monthly). Overages: $25 per 1k activities, $9 per 10k API calls
    • Ranked Feeds
    • Ticketed Support
    • Dedicated Regional Servers
    • HIPAA
    • 2FA
    • +3 more
  • Elevate$899/month (annual commitment) or $999/month (monthly). Overages: $23 per 1k activities, $9 per 10k API calls
    • All Start features
  • EnterpriseContact sales
    • 99.999% SLA
    • SAML/SSO
    • Private Dedicated Servers
    • 24/7 Support
    • Activity-based pricing
    • +1 more
as of verify ↗

Platform & deployment

Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.

Platforms
Web
Resend✓
Stream✓
iOS
Resend✗
Stream✓
Android
Resend✗
Stream✓
CLI
Resend✓
Stream✗
Deployment
Cloud / SaaS
Resend✓
Stream✓

Integrations

What each product connects to. Counts come from the vendor's own integration directory where one exists.

Resend

17 total
  • Vercel
  • Claude
  • Cursor
  • Codex
  • Copilot
  • Windsurf
  • Antigravity
  • Lovable
  • v0
  • Bolt.new
  • Replit
  • Base44
  • Leap.new
  • Novu
  • Knock
  • Trigger.dev
  • Pipedream
Independently observed

Stream

Leader
15 total
  • Jenkins
  • GitHub
  • Slack
  • Postman
  • Xcode
  • Android Studio
  • React
  • React Native
  • Flutter
  • Swift
  • SwiftUI
  • Kotlin
  • Jetpack Compose
  • Expo
  • Vercel AI SDK
Independently observed
Still deciding?

Resend or Stream: which one depends on you

A composite score cannot know your constraints. Describe them and both get re-weighted against what you actually need, with the evidence behind every position.

Free to run, no account needed to start. How the evaluation works

Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.