# Device Logs Create and list device logs. ## Upload new device logs as json - [POST /v1/users/{userId}/device_logs](https://tidepool.redocly.app/reference/blob.v1/device-logs/uploaddevicelogs.md): Uploads a new device logs json to the user's account. The header must represent the MD5 hash of the json data content. ## List device logs metadata - [GET /v1/users/{userId}/device_logs](https://tidepool.redocly.app/reference/blob.v1/device-logs/listdevicelogs.md): List previously uploaded device logs json data in the user's account. The list must be filtered with startAt and endAt parameters