pico.watch — send a number to a URL, watch it over time

START
  # Create a namespace
  curl -X POST https://pico.watch/new
  # …and export the URLs in one step
  eval "$(curl -s -X POST "https://pico.watch/new?env")"
  # …as JSON, for code and agents
  curl -X POST -H "Accept: application/json" https://pico.watch/new

SEND NUMBERS
  # Send a value
  curl -d 21.4 $PICO_W/garage.temp
  # Send from a device that can only GET
  curl "$PICO_W/garage.temp?v=21.4"
  # Label the units once; it sticks
  curl -d 21.4 "$PICO_W/garage.temp?unit=°C"
  # Send a backlog in one request
  printf 'cpu.load 0.8\ncpu.load 0.9\n' | curl --data-binary @- $PICO_W
  # Backfill a reading from earlier
  curl -d 21.4 "$PICO_W/garage.temp?t=-300"

HEARTBEATS
  # Check in
  curl -X POST $PICO_W/backup.nightly
  # From cron, only on success
  0 2 * * * /usr/local/bin/backup.sh && curl -fsS -X POST $PICO_W/backup.nightly

READ
  # Everything at a glance
  curl $PICO_R
  # One series
  curl $PICO_R/garage.temp
  # A different window
  curl "$PICO_R/garage.temp?6h"
  # A summary instead of a chart
  curl $PICO_R/garage.temp.txt
  # JSON
  curl $PICO_R/garage.temp.json
  # CSV
  curl $PICO_R/garage.temp.csv

WATCH IT MOVE
  # Follow one series
  curl -N "$PICO_R/cpu.load?live"
  # Follow the whole namespace
  curl -N "$PICO_R?live"
  # A dashboard on any spare terminal
  watch -n 30 curl -s $PICO_R

TERMINAL OPTIONS
  # Match your width
  curl "$PICO_R?w=$COLUMNS"
  # No colour
  curl "$PICO_R?color=0"
  # 7-bit output for a serial console
  curl "$PICO_R?ascii"
  # Light background
  curl "$PICO_R?theme=light"

MANAGE
  # Delete a series
  curl -X DELETE $PICO_W/test.junk
  # Undo that
  curl -X POST $PICO_W/test.junk/restore

KEYS
  # Keep the secret out of your shell history
  curl -H "Authorization: Bearer $PICO_KEY" -d 21.4 https://pico.watch/cpu.load

Every flag and caveat: https://pico.watch/docs
For models:            https://pico.watch/llms.txt