FluxProof
Monitor public pricing, policy and changelog pages with source hashes, timestamps, text diffs and signed webhooks.
What it can do
- Fluxproof Preflight: Fetch a public URL and return fetchability, size, final URL, title, and content hash without page content or payment.
- Fluxproof Offer: Return free and paid boundaries and purchase routes without charging.
- Fluxproof Create Monitor: Create a monitor using a buyer-owned FluxProof API key.
What data it sees
Do you need an account
No: the server works without sign-in
Monitor public pricing, policy and changelog pages with source hashes, timestamps, text diffs and signed webhooks. Free: one daily monitor for 30 days. Paid: $9 once for 30 days, five monitors at 15-minute intervals, 15,000 checks, change history and webhooks. Run fluxproof_preflight before buying. Get a free key from the website; authenticated tools take your buyer-owned api_key argument, so protect tool logs. Public HTML/text/JSON/XML only, up to 3 MB; no JavaScript rendering, login bypass or native email/SMS. Hosted commercial service; engine and source stay private.
Server tool list (5)
Raw names from tools/list. Only developers need these.
| fluxproof_preflight | Fetch a public URL and return fetchability, size, final URL, title, and content hash without page content or payment. |
| fluxproof_offer | Return free and paid boundaries and purchase routes without charging. |
| fluxproof_create_monitor | Create a monitor using a buyer-owned FluxProof API key. |
| fluxproof_check_now | Run a monitor now and return a source- and hash-bound change receipt. |
| fluxproof_list_changes | List recent evidence receipts for a monitor. |