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Documentation Index

Fetch the complete documentation index at: https://dev.1st.app/llms.txt

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HTTP status: 404

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Message

No sensor with this ID exists in your team. Check the sensor_id by listing sensors first via GET /sensors.

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Common cause

  • Hardcoded a sensor UUID that no longer exists (archived, decommissioned).
  • Pasted the wrong UUID.
  • Confused hardware_id (the Notecard UID) with sensor_id (the platform’s UUID).

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Fix

Always list sensors first: 
curl -H "Authorization: Bearer $ST_API_KEY" \
  "https://api.1st.app/v1/sensors"
The sensor_id field of each row is the value to use in /sensors/{sensor_id}/readings. In a long-running integration, cache the sensor list and refresh nightly — sensors can be archived or replaced.