Developers
Build on EventOS.
Keep your own stack.
A small REST API and signed webhooks, with scoped keys and idempotent writes, so your website and CRM stay the systems of record.
Quickstart
Create a key and make your first calls in ten minutes.
ReadAPI reference
Events, ticket types, orders, attendees, registrations and check-ins.
ReadAI assistants (MCP)
Connect Claude, ChatGPT or Cursor and let them run your events.
ReadWebhooks
Signed deliveries with retries, logs and replay.
ReadEmbeds
Ticket widget, event list and buy button for your site.
ReadYour own scanner
Verify entry from any app with one request.
ReadWhite-label
Your domain, sender and brand end to end.
ReadThirty seconds to your first response
curl https://eventos.rewardland.sg/api/v1/events?status=published \
-H "Authorization: Bearer eos_live_YOUR_KEY"All guides
- AI assistants (MCP)Connect Claude, ChatGPT, Cursor or any Model Context Protocol client and let it read and change your events with a scoped key.
- QuickstartCreate a key, make your first call, register an attendee and verify a ticket in ten minutes.
- Authentication, scopes and limitsHow keys, scopes, rate limits, idempotency and errors work.
- WebhooksReceive signed events when orders complete, attendees arrive and more.
- Bring your own website, CRM or event appPatterns for syncing EventOS with the systems you already run.
- EmbedsPut ticket sales, an event list or a buy button on your own site.
- White-label setupYour domain, your sender, your brand on every page and email.
- ChangelogAPI and webhook changes, newest first.