Exa vs Calendly
AI search API for developers — neural + keyword hybrid for agents
vs. The scheduling category leader — dominant polished SaaS booking tool
Pricing tiers
Exa
Free Tier
1,000 requests/month at no cost. Access to all core products.
Free
Pay-as-you-go
Usage-based per endpoint. No monthly minimum.
$0 base (usage-based)
Startup + Education Grants
$1,000 in free credits for qualifying projects.
$0 base (usage-based)
Enterprise
Custom. High-volume, custom datasets, rate limits, SLA, dedicated support.
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 free on Exa vs free on Calendly.
| Metric | Exa | Calendly |
|---|---|---|
| No overlapping quota metrics for these tiers. | ||
Features
Exa · 13 features
- Answer API — Query → direct answer with citations.
- Category Filter — Filter to news, research papers, company, github, tweet, pdf, financial report, …
- Contents API — Retrieve cleaned full-text + summaries from URLs.
- Custom Datasets (Ent) — Enterprise: private indexing of your own corpus.
- Deep Reasoning Search — Adds LLM reasoning on top of Deep Search.
- Deep Search — Multi-hop iterative search for complex queries.
- Find Similar — Given a URL, find semantically similar pages.
- Highlights — Extract most-relevant passages per result.
- Livecrawl — Fetch pages on-demand (bypass cache) for freshness-critical queries.
- MCP Server — Official Exa MCP for Claude Code / Cursor / Agents.
- Monitors — Scheduled recurring search → alerts on new results.
- Search API — Neural + keyword web search for agents. Returns ranked URLs.
- Summaries — LLM-generated page summaries.
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 | Exa | Calendly |
|---|---|---|
| SDK | exa-js, exa-py | — |
| REST | Exa REST API | Calendly REST API |
| MCP | Exa MCP Server | — |
| OTHER | Exa Dashboard | Calendly App, Calendly Embed Script, Calendly Webhooks, Chrome Extension, Zapier Integration |
Staxly is an independent catalog of developer platforms. Some links to Exa 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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