Cal.com vs Postman
Open-source scheduling infrastructure — the self-hostable Calendly alternative
vs. The world's most popular API platform — 30M+ developers
Pricing tiers
Cal.com
Free (Cloud)
$0. 1 user. Unlimited event types. Unlimited meetings. Cal branding.
Free
Self-Hosted (OSS)
Free forever. AGPL-3.0. Docker/K8s deploy. Full feature parity with cloud.
$0 base (usage-based)
Teams
$12/user/mo. Round-robin, collective events, routing forms, Cal Video, Workflows.
$12/mo
Organizations
$37/user/mo. SSO, advanced routing, dashboards, analytics, dedicated support.
$37/mo
Enterprise
Custom. SAML, HIPAA, dedicated deployments, security reviews.
Custom
Postman
Free
$0. 3 users. 1,000 collection runs/mo. Unlimited collections. 1,000 calls/mo to mock servers. 14-day history.
Free
Basic
$19/user/mo. 10,000 collection runs, 50 integrations, 60-day history, integrations.
$19/mo
Professional
$39/user/mo. 250,000 runs, API mocking, monitoring, version tags, governance lite.
$39/mo
Enterprise
$99/user/mo (Ultimate). Unlimited runs, SSO/SAML, RBAC, IP allowlist, private cloud, audit.
$99/mo
Free-tier quotas head-to-head
Comparing free on Cal.com vs free on Postman.
| Metric | Cal.com | Postman |
|---|---|---|
| No overlapping quota metrics for these tiers. | ||
Features
Cal.com · 16 features
- Availability — Multiple schedules per user.
- Buffer Time — Padding between meetings.
- Cal Video — Built-in video conferencing.
- Embed — Inline/popup/floating-button embeds.
- Event Types — One-on-one, group, collective, round-robin.
- Insights Dashboard — Booking trends + team analytics.
- Paid Bookings — Stripe integration for paid appointments.
- Platform API — Embed scheduling in your SaaS.
- Recurring Events — Weekly/monthly recurring bookings.
- Round-Robin — Distribute bookings across team.
- Routing Forms — Route leads by answers.
- Self-Host — Deploy to your infra.
- SSO — SAML + OIDC.
- Timezone Detection — Auto-detect viewer timezone.
- Webhooks — Outbound events.
- Workflows — Automated email/SMS reminders.
Postman · 17 features
- API Documentation — Public + private docs from collections.
- API Versioning — Manage multiple API versions.
- Collection Runner — Run N iterations with data.
- Collections — Saved request groups + runners.
- Desktop App — Native Mac/Win/Linux.
- Environments — Per-env variables.
- Flows (low-code) — Visual workflow builder.
- Governance — API design rules enforcement.
- Mock Servers — Auto-generated mocks.
- Monitors — Scheduled collection runs + alerts.
- Newman CLI — CI/CD collection runner.
- Postman AI — Generate tests + docs with AI.
- Pre-request / Test Scripts — JS scripts + assertions.
- Public API Network — Discoverable APIs marketplace.
- Request Builder — GUI for any HTTP request.
- Request History — Per-user request log.
- VS Code Extension — Requests inside VS Code.
Developer interfaces
| Kind | Cal.com | Postman |
|---|---|---|
| CLI | cal CLI (self-host) | newman (CLI) |
| SDK | @calcom/embed-react | — |
| REST | Cal.com REST API v2, Platform API (embed in SaaS) | Postman API |
| OTHER | Cal.com Dashboard, Cal.com Webhooks | Postman Desktop, Postman VS Code Extension, Postman Web, Public API Network |
Staxly is an independent catalog of developer platforms. Some links to Cal.com and Postman 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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