tally — counters with history

  count:   curl -d "+1" http://tally.legible.sh/<topic>/<metric>      (also "-2", "=42", bare numbers)
  read:    curl http://tally.legible.sh/<topic>/<metric>              (JSON: value + minute/hour/day series)
  list:    curl http://tally.legible.sh/<topic>
  wait:    curl "http://tally.legible.sh/<topic>/<metric>?wait=30"    (long-poll for the next change)
  live:    curl http://tally.legible.sh/<topic>/sse                   (SSE)
  delete:  curl -X DELETE http://tally.legible.sh/<topic>/<metric>

Open any of those URLs in a browser for the live sparkline pages.
Docs: GET /README.md (full docs) · GET /llms.txt · https://github.com/legible-sh/tally