Clerk vs Postman — Pricing, Plans, and Verified Costs (2026)
Clerk starts at $25/mo. Postman starts at $12/mo. Postman is $13/mo cheaper on the entry tier than Clerk.
Modern authentication platform positioned as the alternative to Auth0 for React and Next.js developers. Distinctive for pre-built UI components (SignIn/SignUp forms) that install in one line — you don't build auth UI from scratch. Free tier bumped to 50K MAU in Feb 2026 (industry-leading). Pro $25/mo includes 1 SSO connection (WorkOS charges $125/mo for the same). Business $300/mo. Popular with Series A/B React startups.
The API development platform that defined the category, used by 30M+ developers at 500K+ companies. Positioned as the shared workspace for API design, testing, monitoring, and documentation. Distinctive for its collection-based workflow that made API testing collaborative before Insomnia and Bruno existed. Priced $14-$29/user/mo across Free/Basic/Professional plus custom Enterprise. Also offers Postman AI Agent Builder (2024 launch) for AI-powered API workflows. Founded 2014 in Bangalore, $5.6B valuation (2021 Series D). Public API network hosts 200K+ published APIs.
All plans compared
| Tier role | Plan | Clerk monthly | Clerk annual | Postman monthly | Postman annual |
|---|---|---|---|---|---|
| Free / starter | Free | Free | Free | Free | Free |
| Entry paid | Pro / Solo | $25 | $20 | $12 | $9 |
| Teams | Business / Team | $300 | $250 | $23 | $19 |
| Enterprise | Enterprise | Custom | Custom | $49 | $49 |
Tier names differ across vendors. Rows are aligned by tier role, not name. Full tier structures on each tool's page.
What each is best for
Clerk is worth it if… js / React apps who want user management + social login + billing + orgs shipped in an afternoon — not weeks. Free tier covers up to 10K MAUs; Pro adds SSO, advanced features, and higher limits.
Postman is worth it if… engineering teams (3-500 developers) that build, test, and consume APIs — particularly if you have more than 5 developers hitting the same API surface. Free covers solo learning + hobby projects (3 collaborators); Basic adds unlimited history and version control; Professional adds unlimited collaborators, SSO add-on, and 100K API calls; Enterprise adds SCIM, audit logs, and unlimited scale.
Bottom line: Similar positioning, closer to a preference call than a strategic one.
Choose Clerk over Postman if…
Choose Clerk if…
- You're comfortable with Clerk's from $25/mo entry point.
- You match the profile Clerk is built for: the auth-as-a-service for developers building Next.
- You need a general-purpose developer & infrastructure option rather than a vertical-specific one.
Choose Postman if…
- You're comfortable with Postman's from $12/mo entry point.
- You match the profile Postman is built for: engineering teams (3-500 developers) that build, test, and consume APIs — particularly if you have more than 5 developers hitting the same API surface.
- You need a general-purpose developer & infrastructure option rather than a vertical-specific one.
At a glance
| Clerk | Postman | |
|---|---|---|
| Free plan | Yes | Yes |
| Entry price | $25/mo | $12/mo |
| Enterprise available | Yes | Yes |
| Pricing model | — | — |
| Verification | Pricing under review | Pricing under review |
| Full pricing | View full pricing | View full pricing |
Pricing last verified September 28, 2026. Tracked daily.