CPYNET API reference

CREATE A PASTE

  POST https://llmtag.com/
    Body:    raw bytes (any CLI tool), or text=...&password=... (browser form)
    Header:  X-Password: <password>        protect it (raw-pipe/CLI path only)
             X-Filename: <name>             base64 in the body -> served back as
                                             a download (Content-Disposition +
                                             sniffed Content-Type), not plain text.
                                             e.g. base64 -w0 f | curl -H "X-Filename:
                                             f" --data-binary @- host/, then curl -OJ
                                             the returned link to get f back exactly
    Query:   ?ttl=10m|1h|24h                default 2m, max 1d
             ?reads=N                       default 1, max 10
    Accept:  application/json               see JSON MODE below
             (anything else)                plain text body: "https://llmtag.com/123456\n"

  Status codes:
    200  created
    400  empty paste, or invalid ?ttl=/?reads=
    413  paste larger than 2 MB
    429  rate limited (20 writes/minute per IP)
    503  server is at its total-memory ceiling (256 MB across every live paste at once), try again shortly

  Files (X-Filename set, or the write tab's attach button) get a tighter
  TTL ceiling than plain text: 1h max, regardless of ?ttl=.

READ A PASTE

  GET https://llmtag.com/123456
    Query:    ?p=<password>                 if the paste is password-protected
    Response: raw text; burned after its read budget (default 1, up to 10) runs out

  Status codes:
    200  read successfully
    401  wrong password (does NOT burn the paste - retry with the right one)
    404  not found, already read, or expired
    429  rate limited (30 reads/minute per IP - the 6-digit code space is
         only 1000000 combinations, this is what keeps guessing infeasible)

JSON MODE

  Send "Accept: application/json" on the create request instead of parsing
  the plain-text response:

    curl -H "Accept: application/json" --data-binary @file.txt https://llmtag.com/
    {"code":"123456","url":"https://llmtag.com/123456","expires_at":"2026-01-01T00:00:00Z"}

  Errors come back the same shape either way: {"error":"..."} with the
  matching status code above.

EXAMPLES

  curl --data-binary @file.txt https://llmtag.com/
  curl --data-binary @- -H "X-Password: secret" "https://llmtag.com/?ttl=1h&reads=3" <<< "hello"
  curl "https://llmtag.com/123456"
  curl "https://llmtag.com/123456?p=secret"

GITHUB ACTIONS

  - name: Share the build log if the job fails
    if: failure()
    run: curl --data-binary @build.log https://llmtag.com/ | tee paste-url.txt

Full docs and the web UI: https://cpynet.com/