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Hosted B2B auth

PropelAuth

Hosted authentication built for B2B products, with organizations as a core concept, 10,000 free MAU and unlimited SAML/OIDC SSO connections from the $150 Growth plan.

Visit propelauth.com ↗ Alternatives Free tier
§1

Overview

PropelAuth is hosted authentication aimed squarely at B2B products. Organizations are a first-class concept, with hosted org-management pages, invitation flows, membership rules, seat limits per org and RBAC with custom roles. It also covers passwords, magic links, social login, MFA, attack protection, API keys and M2M auth, and OAuth 2.1 auth for MCP servers.

The free plan allows 10,000 monthly active users with unlimited organizations, custom roles and a custom domain, but shows PropelAuth branding and has no enterprise SSO, impersonation or API keys.

Growth at $150 a month is where the product's pitch lands: unlimited SAML, OIDC and enterprise SSO connections, user impersonation, a separate staging environment, API keys and MCP authentication, then $0.05 per MAU above 10,000. Growth Plus at $500 adds per-org MFA enforcement, password complexity rules and SCIM at $100 per connection. For a B2B product with many small SSO customers, flat unlimited SSO can be much cheaper than per-connection pricing.

§2

Pricing and plans

checked 28 Sept 2026

Free tier

10,000 MAU, unlimited organizations, hosted UIs, passwords, magic links, social login, TOTP MFA, RBAC with custom roles, custom domain, 30-day audit logs, up to 10,000 transactional emails; PropelAuth branding shown

Plan Price What you get
Free Free 10,000 MAU, unlimited orgs, email support
Growth $150/mo 10,000 MAU then $0.05 each; unlimited enterprise SSO, impersonation, API keys, MCP auth, staging env
Growth Plus $500/mo Advanced security, MFA enforcement, SCIM at $100/connection, shared Slack, volume discounts
Enterprise Custom Custom SLAs

Prices are shown without a currency symbol on the pricing page; USD is assumed. API key and MCP validations: 1.5 million included on Growth, then $0.0001 each. SCIM is only on Growth Plus at $100 per connection. Audit log export costs $50 per connection. The SOC 2 Type 2 report is available on paid plans. Data-residency options were not stated on the pages read.

Source: www.propelauth.com/pricing · prices as published, excluding tax.

§3

What it does

Organizations first
Hosted org UIs, invitations, membership rules, seats per org and internal support roles.
Unlimited enterprise SSO
SAML and OIDC connections with self-service customer setup, unlimited on Growth.
User impersonation
Log in as a user for support, with alerts and audit trails.
API keys and M2M
Unlimited keys with 1.5 million validations included on paid plans.
MCP server auth
OAuth 2.1 flows, dynamic client registration, custom scopes and token revocation.
Bring-your-own auth
Self-hosted option that adds PropelAuth features on top of an existing auth system.
§4

Strengths and limitations

Strengths

  • Unlimited enterprise SSO connections for a flat $150/mo
  • Unlimited organizations even on the free plan
  • Built-in impersonation and user insights
  • SOC 2 Type 2 report available on paid plans

Limitations

  • No enterprise SSO on the free plan
  • $0.05 per MAU beyond 10,000 is higher than several competitors
  • SCIM needs Growth Plus ($500/mo) plus $100 per connection
  • Aimed at B2B; less suited to consumer apps
§5

Who it suits

Good for

  • B2B SaaS with many customers asking for SSO
  • Products needing org management and impersonation out of the box
  • Teams shipping MCP servers that need OAuth

Look elsewhere if

  • Consumer apps with large user counts
  • Teams that need SCIM on a small budget
§6

Alternatives to PropelAuth

Tool From Free option Stages
Amazon Cognito Cloud user directory and auth service
Usage-based Free tier
Asgardeo Hosted CIAM (with open-source self-hosted option)
$20/mo Free tier
Auth0 Hosted customer identity (CIAM)
$35/mo Free tier
authentik Open-source self-hosted identity provider
Usage-based Free tier
Authgear Open-source CIAM (cloud, VPC or one-time self-host licence)
$50/mo Free tier
Better Auth Open-source TypeScript auth library
$20/mo Free tier

All auth and identity →

§7

Questions

Is PropelAuth free?

Yes, for up to 10,000 monthly active users with unlimited organizations; enterprise SSO needs a paid plan.

How much does PropelAuth charge for SAML SSO?

The $150/mo Growth plan includes unlimited SAML/OIDC enterprise SSO connections.

What does PropelAuth cost above 10,000 users?

$0.05 per additional monthly active user on Growth; Growth Plus offers volume discounts.

Does PropelAuth support SCIM?

Yes, on Growth Plus at $100 per connection.

Sources read for this page