Axiom vs Calendly
Observability for logs, traces, events — serverless-first, infinite scale
vs. The scheduling category leader — dominant polished SaaS booking tool
Pricing tiers
Axiom
Personal (Free)
No credit card. 500 GB/month ingest, 10 GB-hr compute, 25 GB storage, 30-day retention max.
Free
Axiom Cloud
$25/month minimum platform fee. Volume-based ingest + query credits. Always-free allowances: 1 TB/mo ingest, 100 GB-hr queries, 100 GB storage.
$25/mo
RBAC Add-on
+$50/month for role-based access control.
$50/mo
Audit Logs Add-on
+$50/month for audit logs.
$50/mo
Directory Sync Add-on
+$100/month for SCIM.
$100/mo
SSO Add-on
+$100/month for SAML SSO.
$100/mo
Enterprise
Custom. Dedicated cluster option, private connectivity, SLA.
Custom
Calendly
Free
$0. 1 user. 1 event type. Unlimited 1-on-1 meetings. Basic calendar integrations.
Free
Standard
$12/user/mo. Unlimited event types. Group events. Remove branding. 7 integrations.
$12/mo
Teams
$20/user/mo. Round-robin, collective, Salesforce/HubSpot, Zapier, routing, metrics.
$20/mo
Enterprise
Starts ~$15,000/year (5-10 users). SSO, SCIM, advanced routing, dedicated success manager, SLA.
$15000/mo
Free-tier quotas head-to-head
Comparing personal on Axiom vs free on Calendly.
| Metric | Axiom | Calendly |
|---|---|---|
| ingest gb month | 500 GB/month | — |
| query compute gb hr | 10 GB-hr/month | — |
| retention max days | 30 days | — |
| storage gb | 25 GB | — |
Features
Axiom · 15 features
- API Tokens — Scoped tokens for ingest or query.
- APL (query language) — Axiom Processing Language — Kusto-inspired pipes (`|`). Fast + expressive.
- AWS Lambda Extension — Native extension to ship Lambda logs + traces.
- Cloudflare Integration — Workers + Pages log drain. Log pull from any Cloudflare zone.
- Dashboards — Visualizations from APL queries: line/bar/pie/heatmap/table.
- Datasets — Logical partitions of data. Schema-free; fields auto-indexed.
- Elastic Bulk API compat — Elasticsearch Bulk API endpoint — drop-in replacement.
- Field Explorer — Auto-detected field stats, histograms, top-values per dataset.
- Monitors (alerts) — Threshold + anomaly-based alerting on APL queries. Route to Slack/PagerDuty/emai…
- next-axiom — Next.js logger with automatic correlation + Web Vitals capture.
- OpenTelemetry-native — Ingest OTLP/HTTP + gRPC. No proprietary agent.
- Saved Queries — Save + share APL queries as starters.
- Stream (live tail) — Live tail of incoming events with filter bar.
- Traces — OpenTelemetry-native. Distributed tracing across services.
- Vercel Integration — One-click: Vercel logs + Web Vitals → Axiom.
Calendly · 16 features
- Admin Management — Centralized team billing + controls.
- Analytics — Team conversion + activity.
- Availability — Schedules + recurring hours.
- Buffers — Before/after meetings.
- Daily / Weekly Limits — Cap bookings.
- Event Types — One-off, group, collective, round-robin.
- HubSpot Integration — Native sync.
- Inline + Popup Embed — Widget for websites.
- Marketing Routing — Form-based routing to teams/reps.
- Meeting Polls — Group availability poll (like When2Meet).
- Paid Bookings — Stripe integration.
- Round-Robin — Distribute across team.
- Salesforce Integration — Native, deep sync (Teams+).
- SSO — Enterprise only.
- Webhooks — Real-time events.
- Workflows — Automated reminders + follow-ups.
Developer interfaces
| Kind | Axiom | Calendly |
|---|---|---|
| CLI | Axiom CLI | — |
| SDK | axiom-go, @axiomhq/js, axiom-py, axiom-rs, next-axiom | — |
| REST | Axiom REST API, Ingest HTTP endpoint | Calendly REST API |
| MCP | Axiom MCP | — |
| OTHER | — | Calendly App, Calendly Embed Script, Calendly Webhooks, Chrome Extension, Zapier Integration |
Staxly is an independent catalog of developer platforms. Some links to Axiom and Calendly 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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