Agent & Infrastructure

The deeper tier: everything in the standard report plus a deterministic static-pattern scan of the verified source (tx.origin auth, delegatecall, selfdestruct, unchecked calls, reentrancy surface, etc. - heuristic triage, not a formal audit), more holders, and a web reputation check. Still evidence, never a verdict. USDC (x402/MPP). Not cached.

Deep endpoint trust/QoS report for an x402 endpoint. Everything the trust score returns PLUS history detail: the full payment-terms drift log (including custody/payTo changes), the discovery/listing timeline across directories, the paid-delivery sample log, and a summarized counts-by-outcome breakdown with latency percentiles. Raw per-probe rows are never shipped. Use for auditing or investigating a specific endpoint's reliability over time.

Answer a question about an image, or describe it, from a URL or base64. Image understanding pay-per-call, no account and no API key: send an image URL (or base64) and an optional question, receive a plain-language answer from a multimodal…

Get one Hacker News or Lemmy thread: the post with its text and the comments flattened with depth and score. One community thread by id from /v1/social/search (hn:<id> or lemmy:<id>): the post with its text and the comments flattened with depth, score and author. Query: ?id=hn:49806046&limit=50

Check that an x402 endpoint still returns a valid payment challenge, and read its price and recipient. Probe an x402 endpoint and report whether it still returns a valid payment challenge: HTTP status, challenge source (v2 header or legacy body), scheme, network, asset, payTo, amount in atomic units and in USDC, and a…

Every form on a page with its action, method and fields (name, type, label, required, options), so an agent knows what a page asks for before interacting. Read only: nothing is submitted. Body: {url}.

A temporary public webhook URL: give it to any service, then long-poll the events that arrived (method, query, headers, body). Free to receive and read, up to 100 events for 1 to 24…

OpenPay demo paid endpoint: returns hello + timestamp.

Live x402 conformance pre-flight check: pass ?url=<x402 endpoint>, get a structured PASS/WARN/FAIL verdict on its 402 challenge before you trust it with a real payment.

End-of-day OHLCV bars for every US-listed ticker on a single date; one call returns the entire market. Pass `?date=YYYY-MM-DD` (required). From x402stock, a pay-per-call market & economic data API for AI agents. No API key or account; pay in USDC via x402.

Silver tier — 100-word premium AI experience + leaderboard entry

Use to find the day's biggest movers in one call. Returns the top 10 gainers and top 10 losers by percent move with price, the current US market session status (open, closed, pre, or post), and the latest market news headlines. No ticker needed. Built for agents scanning what is moving today. From x402stock, a pay-per-call market & economic data API. Pay per request in USDC via x402, no API key.

Before you pay an x402 door, check it against its catalogue entry. A nightly probe of EVERY host in the x402 index (1,618 hosts, 15,227 listings, 100% coverage): the live 402's real payTo and price versus what the catalogue claims, plus dead and self-contradicting hosts. 28.6% of listings sit on a host the catalogue gets wrong — one names one payee and pays another across 965 listings. Free sample, no payment required: GET /play/door

One RFC 3161 timestamp receipt over a digest you supply. No account and no API key: the response is the whole deliverable. Your data is never sent - only its hash - and nothing about the request is retained here.

GPT-5.6 Luna Standard chat is $0.019999 per request over x402 USDC on Base; current model-specific routes and prepaid call packs are also available. Market benchmark: the latest local x402.direct sample found AI-like listing prices with p25 around $0.01 and median around $0.03 per call; this gateway publishes GPT-5.6 Luna Standard at $0.019999 and model-specific prices at /pricing.json. GPT-5.6 Luna Standard is $0.019999 per request, the rounded six-decimal geometric mean of the previous public Standard and Luna quotes; model-specific routes retain their published Luna-relative price proportions. Service hub: https://gpt55.558686.xyz/x402/service and https://gpt55.558686.xyz/x402/service.json. Discovery assets: https://gpt55.558686.xyz/openapi.json, https://gpt55.558686.xyz/llms.txt, https://gpt55.558686.xyz/tools.json, https://gpt55.558686.xyz/apis.json, https://gpt55.558686.xyz/directory-submission.json. Agent and MCP metadata: https://gpt55.558686.xyz/.well-known/agent-card.json, https://gpt55.558686.xyz/.well-known/ai-catalog.json, https://gpt55.558686.xyz/.well-known/mcp/server-card.json, https://gpt55.558686.xyz/server.json. Integration hub: https://gpt55.558686.xyz/integrations and https://gpt55.558686.xyz/integrations.json. Best for agents that need one-call GPT-5.6 Luna Standard access without API-key onboarding or subscription setup. Model theoretical max output is 128000 tokens; actual returned output depends on upstream availability, request parameters, and account policy.

Spend-guard preflight: deterministic 0-100 score for an x402 resource URL before an agent pays it. Probes GET by default, or a caller-supplied/discoverable GET or POST method and JSON body. Decodes asset-aware terms and only scores USD price sanity for recognized USD-pegged default assets, plus origin /.well-known/x402.json, Bazaar presence, and observed age. Raw signals in every response; auditable. Not an endorsement.

Daily digest from 6 market agent groups (crypto, FX, equities, staking, futures, xStocks).

HubVibe Agent (quick): hand it any task in plain words and get the finished result in one call. Research a company or a person of interest, check a website, screen a name, read the markets, compare options, pull the facts: you get a headline, the key points, the full answer, its sources and every tool step. Up to 4 steps. Charged only when the answer is delivered. Input: task; optional context, fields for a JSON answer, language.

Read-only JSON-RPC access to Linea, the ZK rollup by Consensys, served by the Pocket Network decentralised supplier set. Pay per request in USDC; no account, no API key.

Fund and ETF portfolio composition from N-PORT and N-MFP filings. POST /v1/fund with a {query} naming a fund and get its filings and holdings as one JSON object. Deterministic per filing cycle. Pay per request in USDC; no account, no API key.

Search ClinicalTrials.gov: eligibility criteria, status, and sites parsed to JSON. POST /v1/clinical with a {condition} and optional limit and get matching studies as one JSON object. Deterministic per record. Pay per request in USDC; no account, no API key.

One-call medication safety from openFDA public data: label highlights, shortage status, recent recalls, and active ingredients. POST /v1/med with a {drug} and get the safety summary as one JSON object. Deterministic per cached dataset. Pay per request in USDC; no account, no API key.

Renders a chart from inline data (CSV, TSV, JSON or row values) and returns it as static SVG, or a complete HTML document, inside a JSON object. POST /v1/chart with either a full Vega-Lite v6 spec or the shorthand form (type, x, y, color, ranges, colors, theme). Every data mark carries a native tooltip, so nothing is scripted. Pay per request in USDC; no account, no API key.

Read-only JSON-RPC access to Scroll, the zkEVM rollup on Ethereum, served by the Pocket Network decentralised supplier set. Pay per request in USDC; no account, no API key.