Happy Valley

OpenMail vs Whereby

OpenMail and Whereby are both team communication tools. OpenMail is aimed at developers and small businesses, while Whereby is aimed at small businesses and developers. Both have a free plan.

OpenMail

Email inboxes for AI agents, with replies pushed by webhook

Whereby

Browser-based meeting rooms and embeddable video API

PricingFreemiumFreemium · $11
Starting priceNot published$10.99/mo
Free planYesYes
Free trial—14 days
Built forDevelopers, Small businessesSmall businesses, Developers
Platformswebweb, ios, android
CountryLTNO · 2013
Rating——

Choose OpenMail if

Developers building AI agents that need their own email address to receive, thread and answer mail.

  • Built for receiving and replying, not only sending
  • Each inbox has its own sending reputation
  • Free plan needs no credit card

Look elsewhere if: Teams that mainly send marketing or transactional email at high volume (Resend, MachineMail).

Choose Whereby if

Businesses embedding video or wanting simple rooms.

  • Very easy for guests
  • Embeddable API
  • Privacy-focused

Look elsewhere if: Large webinars.

OpenMail vs Whereby pricing

OpenMail

  • Free€0/mo3 inboxes, 3,000 emails/mo (100/day), 3 GB, openmail.sh addresses
  • Pro€9/mo10 inboxes, 10,000 emails, custom domains; then usage-based
  • EnterpriseCustomDedicated sending IPs, SSO, 1-hour SLA, custom DPA

Whereby

  • Free$01 room, 4 attendees, 30-minute meetings
  • Pro$10.99/mo3 rooms, 100 attendees, no time limit
  • Business$13.99/host/moMin 3 hosts; unlimited rooms, 200 attendees
  • EmbeddedUsage-basedVideo API, charged by usage

OpenMail · Key features

  • One API call or CLI command creates a dedicated agent inbox
  • Inbound mail delivered in real time over webhook or WebSocket
  • Full email threading so agents reply in the same conversation
  • PDF, CSV and image attachments parsed into plain text (extra cost)
  • Allow and block rules per address or domain
  • Custom domains with DKIM, SPF and DMARC on Pro

Cons

  • Pricing page mixes $9 and €9; overage rates are in euros
  • Free plan caps sending at 100 emails a day
  • Free plan appends a "Sent with OpenMail" footer

Whereby · Key features

  • Permanent room links
  • No downloads
  • Embedded video API
  • Recording
  • Branding
  • GDPR compliance

Cons

  • Fewer features than Zoom
  • Free limits
  • API pricing usage-based

OpenMail vs Whereby: FAQ

Do OpenMail and Whereby have a free plan?

Yes, both OpenMail and Whereby have a free plan; paid plans add more usage and features.

Not sure yet?