WorkOS vs Twilio

The modern identity platform for B2B SaaS
vs. Programmable SMS, voice, WhatsApp, email, video — global communication cloud

WorkOS website ↗Twilio website ↗

Pricing tiers

WorkOS

AuthKit Free

First 1M MAUs free. Unlimited organizations, user management, social OAuth, passwordless.

Free

AuthKit Scale

Per 1M additional MAUs.

$2500/mo

Enterprise / Annual Credits

Custom with 99.99% SLA, guided migration, dedicated support.

Custom

WorkOS website ↗

Twilio

Pay-as-you-go

No monthly fee. Per-unit pricing for SMS, Voice, etc. Free $15 trial credit on signup.

$0 base (usage-based)

Volume Discounts

Auto-negotiated lower per-message rates when monthly spend grows.

$0 base (usage-based)

Enterprise

Custom contracts, SLA, dedicated support, private hosting.

Custom

Twilio website ↗

Free-tier quotas head-to-head

Comparing authkit-free on WorkOS vs payg on Twilio.

Metric	WorkOS	Twilio
mau included	1000000 users/month	—
organizations	unlimited orgs	—
staging environments	free envs	—

Features

WorkOS · 13 features

Audit Logs — Standardized audit log pipeline with streaming to SIEMs (Splunk, Datadog, Sumo L…
AuthKit — Complete drop-in user management UI + hosted auth flows. Built on top of WorkOS.
Directory Sync — SCIM-based user provisioning/deprovisioning from Okta, Azure AD, Google Workspac…
FGA (WorkOS) — Fine-grained authorization based on Google Zanzibar / OpenFGA.
Magic Auth — Passwordless email codes + links. Good alternative to password auth for B2B.
Multi-Factor Auth — TOTP + SMS MFA enrollment and verification APIs.
Organizations — Multi-tenant B2B primitive. Attach SSO/Directory/Audit to specific customer orgs…
Passkeys — WebAuthn passkeys as a first-class factor.
Radar — Fraud protection: device fingerprinting + risk scoring at signup and login.
Single Sign-On — Plug-and-play SAML 2.0 + OIDC SSO with 30+ identity providers pre-mapped.
User Management — REST API + webhooks for user CRUD, email verification, sessions, MFA, metadata.
Vault — Secret storage for tokens + per-tenant credentials.
Widgets — Embeddable admin portals (SSO setup, directory mapping) that your customers self…

Twilio · 16 features

Conversations API — Unified 2-way messaging across SMS, WhatsApp, MMS, Chat.
Functions — Serverless Node.js runtime inside Twilio.
Lookup — Validate phone number, carrier type, SIM swap detection.
Marketing Campaigns — Via SendGrid; email campaigns product.
Programmable MMS — Multimedia messaging (US/CA).
Programmable SMS — Global SMS send/receive with delivery tracking, A2P 10DLC, short codes.
Programmable Video — WebRTC video rooms + recording + composition.
Programmable Voice — Outbound/inbound calls, call queuing, IVR, recording, SIP trunking.
RCS Messaging — Rich Communication Services with verified sender brands, media, buttons.
Segment (CDP) — Customer Data Platform owned by Twilio.
SendGrid (Email) — Twilio-owned email product. Separately priced.
Studio (visual) — No-code flow builder for IVR, messaging workflows.
Twilio Engage — Multi-channel marketing orchestration on Segment data.
Twilio Flex — Programmable contact center (cloud CCaaS).
Verify (2FA) — Multi-channel OTP: SMS, voice, email, WhatsApp, Push, TOTP.
WhatsApp Business — Official WhatsApp Business API via Twilio as BSP.

Developer interfaces

Kind	WorkOS	Twilio
CLI	—	Twilio CLI
SDK	workos-go, @workos-inc/authkit-nextjs, workos-java, workos-node, workos-php, workos-python, workos-ruby	twilio-csharp, twilio-go, twilio-java, twilio (Node), twilio-php, twilio-python, twilio-ruby
REST	WorkOS REST API	Twilio REST API
MCP	—	Twilio MCP Server
OTHER	Webhooks	Status Callback Webhooks, Studio Flow (no-code), Twilio Functions (Node), TwiML (XML markup)

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