Stats for a public GitHub repository: stars, forks, open issues, last push date, main language, license. Parameter: ?full_name=<owner>/<repo> (e.g. expressjs/express).
Latest known block (number, timestamp, hash) of an EVM blockchain, read live via a public RPC endpoint (viem) — no API key, no aggregator. Parameter: ?chain=<base|ethereum>.
Current gas price on an EVM blockchain, read live via a public RPC endpoint (viem) — no API key, no aggregator. Also available as dedicated routes: GET /api/gas/base, GET /api/gas/ethereum. Parameter: ?chain=<base|ethereum>.
Current USD price of one or more cryptocurrencies (ETH price, BTC price, any token by symbol or contract address), source DefiLlama. Parameter: ?coins=ethereum,bitcoin (comma-separated CoinGecko IDs, or 'chain:address' for a specific token, e.g. ethereum:0xdac17f958d2ee523a2206206994597c13d831ec7).
Circulating market cap of the top stablecoins (USDT, USDC, DAI...), highest first, source DefiLlama. Optional parameter: ?limit=<n> (1-100, default 20).
Best DeFi yields (APY) on a given blockchain, across all protocols and tokens, highest first, source DefiLlama — for an agent asking 'where's the best yield on Base/Ethereum/Arbitrum/...?'. Parameter: ?chain=<slug> (e.g. base, required). Optional: ?limit=<n> (1-100, default 10).
Best DeFi yields (APY) for a given token symbol, across all chains and protocols, highest first, source DefiLlama — for an agent asking 'where's the best yield for my USDC/ETH/...?'. Parameter: ?symbol=<token symbol> (e.g. USDC, required). Optional: ?limit=<n> (1-100, default 10).
Detail and recent APY/TVL history of one specific DeFi pool (identified by its DefiLlama pool id, as returned by /api/defi/yields/top, /by-token, or /by-chain), source DefiLlama. Parameter: ?pool=<pool id> (required, e.g. 747c1d2a-c668-4682-b9f9-296708a3dd90).
Top DeFi yields (APY) across ALL chains and protocols, highest first, source DefiLlama — for an agent hunting the single best yield opportunity right now, with no chain/token filter. Optional parameters: ?limit=<n> (1-100, default 10), ?min_tvl=<usd> (minimum pool TVL, default 0).
DNS records lookup for a domain: A, AAAA, MX, TXT, NS. A record type with no entries returns an empty array, not an error. Parameter: ?domain=<domain name> (e.g. example.com).
Stats for a public GitHub repository: stars, forks, open issues, last push date, main language, license. Parameter: ?full_name=<owner>/<repo> (e.g. expressjs/express).
0.005 USD Coin / request · eip155:8453
GETx402 · listed
https://x402-seller-0ay3.onrender.com/api/hn/top
Current top N Hacker News stories (title, url, score, author, comment count) — tech/startup news ranking. Optional parameter: ?limit=<n> (1-50, default 20).
npm package downloads, current version, and license — latest version, license, and last week's download count for an npm package. Parameter: ?name=<package> (e.g. express, or @scope/name for a scoped package).
RDAP domain lookup — status, registration/expiration dates, registrar, name servers (RDAP is the structured, successor protocol to WHOIS), via rdap.org. Parameter: ?domain=<domain name> (e.g. example.com).
Wikipedia article summary (extract, short description, thumbnail image, canonical link) for a given title — CC BY-SA content, attribution included in every response. Parameters: ?title=<exact article title> (e.g. Bitcoin), ?lang=<language code> (default en).
Text classification (sentiment analysis, topic tagging, intent detection, moderation labels...) into one of your own labels, with a confidence score, via Claude Haiku 4.5. JSON body: {text: string (max 8000 chars), labels: string[] (2 to 20 labels)}.
Extract JSON from text — pull structured fields (invoice data, contact info, product specs, any custom schema) out of unstructured text, via Claude Haiku 4.5. JSON body: {text: string (max 8000 chars), schema: object (JSON Schema describing the fields to extract)}.
Summarize text (article, transcript, report) into a given number of sentences, via Claude Haiku 4.5. Preserves the source text's language. JSON body: {text: string (max 8000 chars), max_sentences?: integer 1-10 (default 3)}.
Translate text into any target language, via Claude Haiku 4.5. JSON body: {text: string (max 8000 chars), target_lang: string (e.g. French, es, Japanese)}.
Structured Google search results (organic listings, direct answer box, related questions) — for an agent that needs to know what Google actually ranks for a query (competitive research, SEO/brand monitoring, fact-checking search visibility). JSON body: {query: string, country?: 2-letter ISO code (default 'us')}.
Semantic web search (understands intent, not just keyword matching) — for an agent that needs current information, facts, or sources beyond its training data. Returns ranked results (title/url/content snippet) plus an optional AI-generated direct answer, via Tavily. JSON body: {query: string, num_results?: integer 1-10 (default 5)}.
Read a public web page and extract structured data from it according to a JSON Schema you provide, via Claude Haiku 4.5 — combines page fetching, readability extraction, and structured extraction in one call. Body: {url: string (http/https), schema: object (JSON Schema describing the fields to extract, page content truncated to 8000 chars)}.
Read any public web page and return its main article content as clean Markdown (readability extraction, boilerplate/nav/ads stripped) — no HTML parsing needed on your side. Body: {url: string (http/https, publicly reachable)}.