Comparison

Resend vs Sinch

On the evidence we track, Sinch leads this comparison with a composite score of 78/100. 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
★Sinch78
Score
vioscaleAI score
Resend57 / 100medium · 71%
Sinch78 / 100medium · 68%
Pricing
Free tier
Resend✓
Sinch✓
Model
Price level
Resendmid
Sinchlow
Transparent
Resend✓
Sinch✗
Integrations
Count
Resend10
Sinch13
Security
Disclosure policy
Resend✓
Sinch✓
Gdpr
Resend✓
Sinch✓
Iso27001
Resend–
Sinch✓
Soc2
Resend✓
Sinch✓
Reliability
Sla pct
Resend–
Sinch99.99
Status page
Resend✓
Sinch✓
Content
Faq
Resend7 items
Sinch6 items

Capabilities

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

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

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

Sinch

Leader

A communications platform providing APIs for sending SMS messages, making voice calls, sending emails, and verifying user identities with enterprise-grade infrastructure spanning 60+ countries and 99.99% uptime.

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 ↗

Sinch

Leader
from $0.01/moUsage-basedFree tier

Pay-as-you-go from $0.01/minute for voice calls. Free trial available.

  • Voice API CallingFrom $0.01/minute for outbound calls
    • Domestic calling in 60+ countries
    • International calling
    • In-app calling
    • SIP interface
    • Call recording
    • +5 more
  • Phone NumbersFree
    • Receive calls
    • Domestic calling
as of verify ↗

Platform & deployment

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

Platforms
Web
Resend✓
Sinch✓
CLI
Resend✓
Sinch✗
Deployment
Cloud / SaaS
Resend✓
Sinch✓

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

Sinch

Leader
13 total
  • Genesys
  • 3CX
  • Adobe
  • Emarsys
  • SAP
  • HubSpot
  • Shopify
  • Mailjet
  • Mailgun
  • SimpleTexting
  • ClickSend
  • Chatlayer
  • Contact Pro
Independently observed
Still deciding?

Resend or Sinch: 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.