UpCuit OpenAPI
A free, authless API for live NASDAQ trading halts and LUDP reopening times.
A free, public API for the NASDAQ trading-halt data behind the live dashboard. No API key, no sign-up.
Base URL
https://upcuit.com/api/v1
Your first request
curl https://upcuit.com/api/v1/halts
Returns the current halt snapshot as a { data, meta } envelope.
Where to go next
- Quickstart — request, response, polling.
- Access & limits — free/authless, rate limits, caching.
- Endpoints — every endpoint, with examples.
- The halt object — field by field.
openapi.json— the machine-readable spec.