Web answer

Checks and payment terms on this page refer to the endpoint above. Other listed endpoints have not been checked individually.

Base URLhttps://agent402.tools/api

• POST/rot13—No price listedCaesar-cipher a string. Default shift 13 (ROT13, self-inverse). Set shift for any rotation 1-25. Also on x402 Bazaar
• POST/x-tweet—No price listedFetch one public tweet on X (Twitter) by id: text, created time, language, conversation id, engagement metrics (likes, retweets, replies, quotes, bookmarks, impressions) and the author's username, name and verification. Also on x402 Bazaar
• POST/skill/jwt-toolkit—No price listedDecode and verify a JWT in one pass - see the payload and check the signature. JWT toolkit skill pack: one x402 payment runs 3 underlying tools (jwt-decode, jwt-verify, jwt-sign); partial-success per step. Also on x402 Bazaar
• GET/edgar-company-lookup—No price listedResolve a US stock ticker (e.g. AAPL) to its SEC CIK number, the primitive every other EDGAR call needs. Returns ticker, cik (zero-padded, 0000320193), cikInt (320193) and the registered company name. Backed by SEC's company_tickers.json (public domain). A company name sent where the ticker goes is answered with a 404 that names the likely tickers ("Tesla" -> TSLA). Also on x402 Bazaar
• POST/color-convert—No price listed
• POST/skill/nft-portfolio—No price listedNFT + wallet snapshot: NFT holdings, native balance, and ETH price for a given address in one call. NFT portfolio skill pack: one x402 payment runs 3 underlying tools (nft-holdings, wallet-balance, crypto-price); partial-success per step. Also on x402 Bazaar
• POST/route/execute—No price listedDescribe a task in plain language (or name a tool slug) and the Smart Order Router resolves the best-matching tool across this catalog and the open x402/MPP seller index, then runs it in the same call and returns the result with a receipt. Flat price covers any tool listed at $0.005 or less. Use it when an agent wants one paid request that both finds and executes the right capability. Also on x402 Bazaar
• POST/skill/cheapest-rail—No price listedWhere should an agent transact this minute? Live gas on Ethereum + every major L2 side by side, Base gas tiers, a fee estimate for your transaction type, and ETH spot to price it all in dollars. Cheapest rail right now skill pack: one x402 payment runs 4 underlying tools (l2-gas-comparison, gas-snapshot, gas-estimate, crypto-price); partial-success per step. Also on x402 Bazaar
• POST/skill/investment-decision—No price listed
• POST/favicon-grab—No price listedFetch a site's favicon/logo: reads the page's declared <link rel=icon…> tags (all variants with their sizes and types), deterministically picks the largest declared icon (falling back to /favicon.ico), fetches it, and returns the bytes as a base64 data URI plus the resolved icon URL and content type. Icons over 256KB return the URL and metadata without the inline data URI. SSRF-guarded - private-network hosts are rejected. Sites with no reachable icon return {found:false}. Also on x402 Bazaar
• POST/polymarket-orderbook—No price listed
• POST/token-info—No price listed
• POST/feed-parse—No price listedFetch an RSS 2.0, Atom, or RSS 1.0 feed URL and parse it into normalized JSON: feed title/description/link plus items (title, link, id, published, author, plain-text summary, categories). Deterministic pure-XML parse with a lenient recovery pass for common malformations (reported in a warnings array). Item count is bounded (default 20, max 50). SSRF-guarded. Also on x402 Bazaar
• POST/word-wrap—No price listed
• POST/text-chunk—No price listedSplit text into overlapping chunks for RAG ingestion - by characters (default) or by exact LLM tokens. Returns the chunks plus offsets. Deterministic, no model needed. Also on x402 Bazaar
• POST/percentage—No price listedPercentage helper. op: "of" (a% of b), "change" (% change a→b), "ratio" (a is what % of b). Also on x402 Bazaar
• POST/skill/earnings-watch—No price listedHas this company just reported, and what is being said about it? Recent SEC filings, the latest close, and current coverage in one call. Earnings watch skill pack: one x402 payment runs 3 underlying tools (stock-quote, search, edgar-filings); partial-success per step. Also on x402 Bazaar
• GET/memory—No price listedRead from a wallet-scoped namespace. Also on x402 Bazaar
• GET/chain-info—No price listedOne-call chain state snapshot: chain id, latest block number, and current gas price (wei + gwei) for Ethereum, Base, Polygon, Arbitrum, or Optimism. Keyless multi-endpoint failover. Also on x402 Bazaar
• POST/skill/ssl-audit—No price listedTLS/SSL security posture check: live certificate inspection, HTTP security headers, and CAA DNS records. SSL audit skill pack: one x402 payment runs 3 underlying tools (tls-cert, http-headers, dns-lookup); partial-success per step. Also on x402 Bazaar
• POST/mev-builder-share—No price listedBuilder market share aggregated over the last N MEV-Boost blocks from a major MEV-Boost relay's public data API. Returns per-builder block count, share percent, total ETH paid to proposers, and average per block. Use to track block-builder concentration or detect a new builder gaining share. Also on x402 Bazaar
• POST/audio-convert—No price listedExtract/convert the audio track of any media URL (mp4, mov, wav, m4a, ogg…) to MP3 - the "mp4 to mp3" conversion, deterministic ffmpeg, no AI. Body: {"url":"https://…/video.mp4","bitrate":"192k"?}. Returns the MP3 as base64. Also on x402 Bazaar
• POST/prime-factorize—No price listed
• POST/skill/regex-test—No price listed
• POST/price-coingecko—No price listedLive spot price for up to 25 coins by coin id, one row per id in the order asked: prices[] of {id, price, change24h, lastUpdated}. Identify coins by their coin ID slug (bitcoin, ethereum, solana, usd-coin, ...), as an array or a comma-separated string; for ticker symbols (BTC, ETH) plus volume and market cap use crypto-price. Defaults to USD; pass vsCurrency to denominate in EUR, JPY, ETH, BTC, etc. change24h is filled only when include24hChange is true. Also on x402 Bazaar

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