Jsonbill

JSONBill (portable, safe)

API base: https://api.jsonbill.com

This skill is designed to call the JSONBill REST API without ever exposing API keys/tokens to the LLM:

• Do not ask the user to paste an API key/token.
• Do not place secrets in prompts, logs, or tool parameters.
• Use a host-side credential mechanism (e.g. “credential profile”, “secret manager”, “vault”, env var injection) so the agent never sees the secret value.

Prerequisites (host configuration)

The host must be configured (outside this skill) with:

• A credential profile id (recommended): jsonbill
• A secret reference (example): JSONBILL_API_KEY
• A binding that injects the credential into HTTP requests (commonly: Authorization: Bearer <secret>)

Endpoints

• Create task: POST /tasks/docs
• Poll task: GET /tasks/{trace_id}
• PDF URL: GET /tasks/{trace_id}.pdf (usually you can return this URL without downloading)

Portable pseudocode

Notes:

• If the user input is a local file path, you MUST read the file and parse its JSON first. Never send local paths to external APIs.
• Prefer downloading the PDF and sending the file if the platform supports it; otherwise return the PDF URL.

Inputs:
  invoice_source: either (a) JSON object, or (b) local file path to a JSON file

Definitions (abstract operations; map to your agent/tooling):
  READ_TEXT(path) -> string
  PARSE_JSON(text) -> object
  HTTP_JSON(method, url, auth_profile, json_body, headers?) -> {status, json, text}
  HTTP_BYTES(method, url, auth_profile, headers?) -> {status, bytes, content_type}
  SLEEP(seconds)
  SAVE_BYTES(path, bytes) -> saved_path
  SEND_FILE(saved_path, filename, caption?)  (optional; if your platform supports files)

Procedure:
  if invoice_source is a local path:
    invoice_text = READ_TEXT(invoice_source)
    invoice_json = PARSE_JSON(invoice_text)
  else:
    invoice_json = invoice_source

  # 1) Create async generation task
  create = HTTP_JSON(
    method="POST",
    url="https://api.jsonbill.com/tasks/docs",
    auth_profile="jsonbill",
    json_body=invoice_json
  )
  assert create.status is 2xx
  trace_id = create.json.trace_id (or create.json.data.trace_id depending on API)
  assert trace_id is not empty

  # 2) Poll until done (backoff recommended)
  interval = 1.0
  deadline_seconds = 60
  elapsed = 0
  while true:
    poll = HTTP_JSON(
      method="GET",
      url="https://api.jsonbill.com/tasks/" + trace_id,
      auth_profile="jsonbill",
      json_body=null
    )
    assert poll.status is 2xx
    status = poll.json.status
    if status == 3:
      break
    if status == 4:
      raise error with poll.json (or poll.text)
    SLEEP(interval)
    elapsed += interval
    if elapsed >= deadline_seconds:
      raise timeout
    interval = min(interval * 1.5, 8.0)

  # 3) PDF download
  pdf_url = "https://api.jsonbill.com/tasks/" + trace_id + ".pdf"
  if platform supports sending files:
    pdf = HTTP_BYTES(
      method="GET",
      url=pdf_url,
      auth_profile="jsonbill",
      headers={"Accept": "application/pdf"}
    )
    assert pdf.status is 2xx
    assert pdf.bytes is non-empty
    saved = SAVE_BYTES("jsonbill/invoice_" + trace_id + ".pdf", pdf.bytes)
    SEND_FILE(saved, filename="invoice.pdf", caption="Your PDF invoice")
  else:
    return pdf_url

Status semantics (expected)

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