Courier vs Stytch
Notification API with multi-channel orchestration, templates, and preferences
vs. Authentication platform for B2C and B2B
Pricing tiers
Courier
Free
Up to 10,000 notifications/month. All channels. Community support.
Free
Business
From $99/mo. Higher volumes, advanced routing, preference center, branding removal.
$99/mo
Enterprise
Custom. SOC 2, SSO, dedicated support, volume discounts, SLA.
Custom
Stytch
Free
10,000 MAU. Unlimited orgs. 5 SSO/SCIM connections. 1,000 M2M tokens. 10,000 fraud fingerprints. Full auth suite.
Free
Pay as you go
Usage-based after free allowances. Volume discounts for high MAU.
$0 base (usage-based)
Enterprise
Custom. 99.99% SLA, private Slack, migration assistance, HIPAA/BAA.
Custom
Free-tier quotas head-to-head
Comparing free on Courier vs free on Stytch.
| Metric | Courier | Stytch |
|---|---|---|
| fraud fingerprints included | — | 10000 fingerprints/month |
| m2m tokens included | — | 1000 tokens |
| mau included | — | 10000 users/month |
| notifications monthly | 10000 notifications/mo | — |
| organizations | — | unlimited orgs |
| sso connections included | — | 5 conns |
Features
Courier · 13 features
- Chat — Slack, Microsoft Teams, Discord, Mattermost.
- Email — SendGrid, Postmark, Mailgun, AWS SES, Resend, SMTP.
- Inbox (In-App) — React/JS drop-in in-app inbox component.
- Lists — Segment recipients for bulk notification sends.
- Logs + Analytics — Per-message delivery timeline + engagement.
- Multi-channel Routing — Provider failover + preferred channel per user.
- Notification Designer — Visual editor for templates across channels.
- Preferences — Per-user notification preferences hub.
- Push — APNs, FCM, Expo, OneSignal.
- Send API — POST /send with template + recipients + data.
- SMS — Twilio, MessageBird, Vonage, Plivo, Telnyx.
- Templates + Versioning — Template brands, variants, localization, version history.
- Webhooks — Delivery + engagement event webhooks.
Stytch · 15 features
- B2B Auth — Multi-tenant auth: organizations, roles, JIT provisioning, enterprise SSO, SCIM.
- B2C Auth — Consumer auth: passwordless (magic links, OTP), passwords, OAuth, passkeys, WebA…
- Device Fingerprinting — Fingerprint devices at signup/login. Block bots, credential stuffing, and ATO at…
- Device-Fingerprint Risk API — Real-time risk scoring API usable even without full auth.
- Enterprise SSO (OIDC) — OIDC SSO per organization.
- Enterprise SSO (SAML) — SAML 2.0 SSO per organization. Self-serve admin portal.
- JIT Provisioning — Auto-create users in an org on first SSO sign-in.
- Machine-to-Machine — Client-credentials OAuth for service-to-service.
- OAuth / Social — Google, Apple, Microsoft, GitHub, Slack, Discord, Facebook, LinkedIn, Amazon, Bi…
- Organizations — Multi-tenant primitive with policies per org.
- Passkeys (WebAuthn) — FIDO2 passkey enrollment and authentication.
- Passwordless — Magic links (email) + OTP (email/SMS/WhatsApp) + embeddable magic links.
- RBAC — Roles and permissions per organization (B2B).
- SCIM Provisioning — Directory user/group provisioning from Okta, Azure, Google Workspace.
- Sessions — JWT or opaque session tokens. Configurable lifetime.
Developer interfaces
| Kind | Courier | Stytch |
|---|---|---|
| CLI | Courier CLI | — |
| SDK | courier-go, courier-java, @trycourier/courier, trycourier (Python), @trycourier/react-inbox, trycourier (Ruby) | Android SDK, Go backend SDK, iOS SDK, Java backend SDK, JavaScript SDK, Next.js SDK, Node backend SDK, Python backend SDK, React SDK, Ruby backend SDK |
| REST | Courier REST API | B2B API, B2C API |
| OTHER | Courier Studio, Outbound Webhooks | — |
Staxly is an independent catalog of developer platforms. Some links to Courier and Stytch may be affiliate links — Staxly may earn a commission if you sign up through them, at no extra cost to you. Pricing is verified against vendor pages at publication time — reconfirm before buying.
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