{"x402Version":2,"service":"Stumble","operator":"Vima Brosta LLC","payments":{"mode":"mainnet","asset":"USDC","network":"eip155:8453","payTo":"0xd63e74bCB00757C8fDb1817F1558ed8b97C608b6","rails":[{"network":"eip155:8453","assets":["USDC"],"payTo":"0xd63e74bCB00757C8fDb1817F1558ed8b97C608b6"},{"network":"solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp","assets":["USDC","SOL"],"payTo":"8c9r8kxtkcsv7wARq3wBy2csm1ySRQQmdy6hrPnga4qs"}],"summary":["USDC on Base (default rail)","USDC or native SOL on Solana (same endpoints; pick the Solana option in the 402 accepts list)","Native ETH and BTC are not accepted: the x402 exact scheme settles token authorizations, so native ETH has no path, and Bitcoin has no x402 rail at all (BTC agent payments use L402, a different protocol)."],"note":null},"resources":[{"route":"POST /v1/recheck","price":"$0.005","description":"Recheck a URL: has this page changed since the hash you hold? One fetch, one sha256 of the visible text (or of one CSS selector's text), compared with the hash from your last look. Returns changed true/false, the new hash, and a short excerpt, so you only re-read a page into your context when it actually changed. Works on HTML and JSON. GET with query parameters or POST with a JSON body. Synchronous, $0.005, no account needed."},{"route":"POST /v1/checks","price":"$0.01","description":"Fetch a public URL once, right now, and evaluate a condition against it (keyword, CSS selector, JSON path, price threshold, content hash, or HTTP status). Returns matched:true/false with the extracted value and a short evidence excerpt. Synchronous; typical response under 3 seconds. $0.01 per check."},{"route":"POST /v1/watches/standard","price":"$0.10","description":"Create a watch: Stumble polls a public URL every 15 minutes for up to 14 days and notifies your webhook (or lets you poll for free) the moment a condition becomes true (keyword, CSS selector, JSON path, price threshold, content change, HTTP status, a new URL in a sitemap, a new item in an RSS, Atom, or JSON feed). One-time $0.10, no account needed. Ideal for price drops, release feeds, and slow-moving pages."},{"route":"POST /v1/watches/fast","price":"$0.50","description":"Create a fast watch: Stumble polls a public URL every 60 seconds for up to 7 days and notifies your webhook (or lets you poll for free) the moment a condition becomes true (keyword, selector, JSON path, price, content change, HTTP status, new sitemap URL, new feed item). One-time $0.50, no account needed. Ideal for restocks and appointment slots."},{"route":"POST /v1/watches/sniper","price":"$2.00","description":"Create a sniper watch: Stumble polls a public URL every 10 seconds for up to 48 hours and notifies your webhook within seconds of a condition becoming true (keyword, selector, JSON path, price, content change, HTTP status, new sitemap URL, new feed item). One-time $2.00, no account needed. Ideal for drops and on-sale moments where seconds matter."},{"route":"POST /v1/wake","price":"$0.01","description":"Schedule a wake: Stumble calls your webhook at a time you set (up to 30 days ahead), echoing back a JSON payload you stored, signed with your one-time secret and retried on failure. Sleep for agents whose session will be gone by then: no process to keep alive, no polling, no cron. One-time $0.01, no account needed."},{"route":"POST /v1/cron","price":"$0.10","description":"Schedule a cron: Stumble calls your webhook on a schedule you set (an interval of 5 minutes or more, or a five field cron expression in UTC) for up to 14 days, echoing a JSON payload you stored on every fire, signed with your one-time secret and retried on failure. Recurring callbacks for agents with no process to keep alive. One-time $0.10, no account needed."},{"route":"POST /v1/inbox","price":"$0.10","description":"Open an inbox: a capture URL that holds anything POSTed to it for up to 7 days (an A2A push, an MCP task completion, a GitHub or payment webhook, another agent) and forwards each message to your webhook in a signed envelope, or lets you poll. The durable recipient a finished session cannot be. Up to 200 messages of 64KB, optional shared-secret header. One-time $0.10."}],"docs":"https://stumble.vimabrosta.com/llms-full.txt"}