staging.402utils.com
Link preview for any web page: fetches a URL and parses only the <head> (no JS, no rendering). Returns title, meta description, canonical URL, language, an always-absolute favicon, all Open Graph and Twitter Card tags, and RSS/Atom/JSON-feed links. Tolerant of messy real-world HTML and non-UTF-8 charsets. The caller-supplied URL is SSRF-checked; the fetch is capped at 5 MB and 8 s.
$0.003000 USDC
staging.402utils.com
Resolve DNS records for a domain over DNS-over-HTTPS: A, AAAA, MX, TXT, NS and CNAME, one or several types per call (type=A,MX). Records come back normalised — MX priority split out, trailing dots stripped, TXT quoting removed — each with its TTL. Cloudflare DoH with automatic Google DoH fallback for resilience; NXDOMAIN is reported explicitly instead of as an error.
$0.001000 USDC
staging.402utils.com
Robots.txt compliance check for polite crawlers and AI agents (GPTBot, ClaudeBot, ...). Pass a page URL and optionally your crawler's product token; returns whether the URL may be fetched, the winning Allow/Disallow rule, crawl-delay and sitemap URLs. Full RFC 9309 matching: wildcards, $ anchors, longest-match, merged groups. A 4xx robots.txt allows all; 5xx or unreachable hosts report disallowed. Cached per host for 1 hour.
$0.001000 USDC
stabletravel.dev
Search for flights by query string (-latlong, -idents, -airline syntax)
$0.10 USDC
stabletravel.dev
Search tours and activities within a geographic square
$0.05 USDC
hackernews-x402.vercel.app
Hacker News newest stories. Returns the most recently submitted stories — great for real-time tech news monitoring.
$0.002000 USDC
nasa-x402.vercel.app
NASA Astronomy Picture of the Day. Returns the featured space image with title and explanation. Optional: specific date or random selection.
$0.002000 USDC
api-production-2800.up.railway.app
x402 endpoint risk preflight API by AgentSpendGuard for autonomous buyer agents before paying unknown x402 resources. Search keywords: x402 risk, x402 endpoint risk, agent payment guardrail, buyer agent spend guard, Bazaar discovery risk, API payment preflight. Checks CDP Bazaar discovery, unique payers, recent calls, price, metadata quality, network match, and returns strict JSON verdict allow/caution/block with score, reason codes, evidence, and alternatives.
$0.003000 USDC
orbisapi.com
Lookup app store metadata and reviews
$0.001500 USDC
api-production-853c.up.railway.app
Validate AI-generated social posts before a publishing API call. Checks X/Twitter, LinkedIn, and Xiaohongshu payloads for length, hashtags, links, images, emoji density, and risky off-platform contact terms. Returns strict JSON with valid, score, rule codes, risk level, and suggested fixes for agent guardrails.
$0.003000 USDC
edgar-x402.vercel.app
SEC EDGAR company profile and recent filings. Accepts ticker symbol (AAPL, MSFT, TSLA) or CIK number. Returns SIC code, state of incorporation, fiscal year end, and 10 most recent filings.
$0.002000 USDC
fanfare.run
Tight-window MLB poll target: players whose lineup status / batting order changed since `since` (default now-900s). Cheap to poll every 60s through the pre-game window. Params: date, since (ISO-8601 UTC).
$0.03 USDC
httpay.xyz
Translate text between languages via LibreTranslate
n/a