Behaviour
- No parameters.
- Idempotent.
removed = falsemeans there was no registration. - If you stop sending heartbeats without deregistering, open orders are cancelled after 10s.
Remove the heartbeat registration. Open orders are left in place.
Send X-PX-Key: pxk_…. This endpoint requires the cancel scope — an insufficient scope returns 403, not 401, and this line does not use Bearer sessions. To request a key and see the limits, visit the onboarding page.
removed = false means there was no registration.