Agent Exchange x402 census and directory

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x402 resources priced under 1 cent

Catalog prices in USDC (atomic amount / 1e6) falling in the band "under 1 cent". 15,630 resources: 12,616 answer a valid 402 (80.7%), 1,659 are dead (10.6%). Sorted by payers on record, then live verdict, then catalog freshness.

Page 4 of 50: previous next · 10,630 more are only in bazaar.json and the sitemaps

ResourceHostPriceNetworkVerdictPayersCatalogsDescription
GET /api/weather-hourlyagent402.tools$0.002baselive120cdp, payaiHourly forecast (global): 48-hour hourly weather forecast for any location: temperature, p
GET /api/weather-dailyagent402.tools$0.002baselive120cdp, payaiDaily forecast (global): 7-day daily weather forecast for any location: high/low temp, pre
GET /api/treasury-debtagent402.tools$0.002baselive120cdp, payaiUS total public debt outstanding: Most recent total US public debt outstanding (the headli
POST /api/token-allowanceagent402.tools$0.002baselive120cdp, payaiERC-20 allowance (owner to: How much of an ERC-20 token a spender contract is approved to
POST /api/stablecoin-supply-historyagent402.tools$0.002baselive120cdp, payaiStablecoin supply history: Daily total stablecoin supply in USD over time, for all chains
POST /api/selector-lookupagent402.tools$0.002baselive120cdp, payaiFunction selector / event topic: Resolve a 4-byte function selector or a 32-byte event top
POST /api/perp-dex-limitsagent402.tools$0.002baselive120cdp, payaiPerp dex limits and status: Risk limits and status of ONE builder-deployed perp dex (HIP-3
POST /api/options-tickeragent402.tools$0.002baselive120cdp, payaiOptions instrument ticker: One options instrument live: mark, last, bid and ask with sizes
POST /api/nft-holdingsagent402.tools$0.002baselive120cdp, payaiNFT holdings for an address: Return the NFTs owned by a wallet address on a given network.
POST /api/memory/recallagent402.tools$0.002baselive120cdp, payaiMemory recall: Recall remembered text by similarity to a query (ranked by cosine similarit
POST /api/json-to-csvagent402.tools$0.002baselive120cdp, payaiJSON to CSV: Convert a JSON array of objects to CSV. Nested objects are flattened to dot-p
POST /api/farcaster-profileagent402.tools$0.002baselive120cdp, payaiFarcaster profile: Lookup a Farcaster profile by username or FID. Returns FID, username, d
POST /api/eth-callagent402.tools$0.002baselive120cdp, payaiRead-only JSON-RPC passthrough: Escape hatch for power users: forward an arbitrary read-on
POST /api/dkim-lookupagent402.tools$0.002baselive120cdp, payaiDKIM key lookup: Fetch and parse a DKIM public-key record at <selector>._domainkey.<domain
POST /api/defi-chainsagent402.tools$0.002baselive120cdp, payaiDeFi TVL by chain: Blockchains ranked by DeFi total value locked with each chain's share o
GET /api/chain/erc1155-balanceagent402.tools$0.002baselive120cdp, payaiERC-1155 balance: How many of one ERC-1155 token id an account holds, read straight from t
POST /api/stablecoinsagent402.tools$0.003baselive120cdp, payaiStablecoin supply by asset: Stablecoins ranked by circulating supply: peg currency and mec
POST /api/sol-token-searchagent402.tools$0.003baselive120cdp, payaiSearch Solana tokens and pairs: Find Solana tokens and pairs by name, ticker or address ac
POST /api/skill/timezone-planneragent402.tools$0.003baselive120cdp, payaiSkill: Timezone planner: Time zone conversion, business day calculation, and cron schedule
POST /api/image-dominant-coloragent402.tools$0.003baselive120cdp, payaiImage dominant color: Extract the dominant colors of an image as a palette of hex values w
POST /api/http-headersagent402.tools$0.003baselive120cdp, payaiHTTP headers + security analysis: Fetch a URL and return every response header plus a secu
POST /api/fc-castagent402.tools$0.003baselive120cdp, payaiFarcaster cast lookup: Fetch one Farcaster cast by hash or warpcast.com / farcaster.xyz UR
POST /api/event-logsagent402.tools$0.003baselive120cdp, payaiContract event logs: Fetch contract event logs (eth_getLogs) on Ethereum, Base, Polygon, A
GET /api/edgar-13f-datasetsagent402.tools$0.003baselive120cdp, payaiEDGAR Form 13F data sets (index): The SEC's bulk Form 13F Data Sets: every quarterly (2013
POST /api/calldata-decodeagent402.tools$0.003baselive120cdp, payaiCalldata decoder (ABI or: Decode EVM smart-contract transaction calldata into the function
POST /api/images-to-pdfagent402.tools$0.004baselive120cdp, payaiImages to PDF: Combine PNG/JPEG images into a single PDF, one image per page. Body: {"urls
POST /api/fc-user-castsagent402.tools$0.004baselive120cdp, payaiFarcaster user casts: A Farcaster user's recent casts by fid or username, newest first, op
POST /api/evm-rpcagent402.tools$0.004baselive120cdp, payaiMulti-chain EVM RPC (read-only): Read-only JSON-RPC against Ethereum, Base, Polygon, Arbit
POST /api/crypto-market-pulseagent402.tools$0.004baselive120cdp, payaiCrypto market pulse: The whole crypto perp market in one call: advancers versus decliners,
GET /api/college-lookupagent402.tools$0.004baselive120cdp, payaiUS college lookup (Scorecard): Look up US colleges by name via the Dept. of Education Coll
POST /api/whoisagent402.tools$0.005baselive120cdp, payaiDomain WHOIS (RDAP): Domain registration data via RDAP (the structured WHOIS successor): r
GET /api/unemployment-rateagent402.tools$0.005baselive120cdp, payaiUS unemployment rate (UNRATE): Latest US unemployment rate (current, as of date) plus a tr
POST /api/tts-liteagent402.tools$0.005baselive120cdp, payaiText-to-speech (lite): Convert text to speech with Kokoro-82M, a fraction of the price of
GET /api/treasury-avg-ratesagent402.tools$0.005baselive120cdp, payaiAverage interest rates on: Latest average interest rates the US Treasury is paying by secu
POST /api/skill/nft-portfolioagent402.tools$0.005baselive120cdp, payaiSkill: NFT portfolio: NFT + wallet snapshot: NFT holdings, native balance, and ETH price f
POST /api/site-mapagent402.tools$0.005baselive120cdp, payaiSite map (URL discovery): Discover a website's URLs in one call: reads robots.txt, its dec
POST /api/lei-lookupagent402.tools$0.005baselive120cdp, payaiLegal entity (LEI) lookup: Look up a legal entity in the official GLEIF registry. Pass a 2
GET /api/global-defiagent402.tools$0.005baselive120cdp, payaiGlobal DeFi market: Global DeFi snapshot: DeFi market cap (USD), ETH market cap, DeFi-to-E
POST /api/github-repoagent402.tools$0.005baselive120cdp, payaiGitHub repository enrichment: Enrich a public GitHub repository: stars, forks, watchers, o
GET /api/federal-awardsagent402.tools$0.005baselive120cdp, payaiUS federal awards search: Search US federal contract awards via USAspending.gov by keyword
GET /api/fed-fundsagent402.tools$0.005baselive120cdp, payaiEffective federal funds rate: Current effective federal funds rate (current, as of date, i
GET /api/exchangesagent402.tools$0.005baselive120cdp, payaiCrypto exchanges: Crypto exchanges ranked by trust score: id, name, country, year establis
GET /api/exchange-ratesagent402.tools$0.005baselive120cdp, payaiBTC exchange rates: BTC-denominated exchange rates for ~60 units: crypto (ETH, LTC, BNB, S
GET /api/edgar-searchagent402.tools$0.005baselive120cdp, payaiEDGAR full-text search: General-purpose full-text search across every SEC filing since 200
POST /api/contract-sourceagent402.tools$0.005baselive120cdp, payaiVerified contract source: Fetch the verified Solidity source files and compiler metadata f
GET /api/b20-new-tokensagent402.tools$0.005baselive120cdp, payaiNew B20 tokens: Recently deployed B20 tokens on Base: scans the factory's B20Created logs
POST /api/a2a-card-fetchagent402.tools$0.005baselive120cdp, payaiA2A Agent Card fetch: Discover and fetch a site's A2A (Agent2Agent protocol) Agent Card -
POST /api/skill/trip-planneragent402.tools$0.006baselive120cdp, payaiSkill: Multi-stop trip planner: Plan a multi-stop journey deterministically: geocode each
GET /api/crypto-globalagent402.tools$0.008baselive120cdp, payaiCrypto global market: Global crypto market snapshot: total market cap, total 24h volume, B
POST /api/skill/text-hygieneagent402.tools$0.009baselive120cdp, payaiSkill: Text hygiene: Turn a wall of dirty text - chat logs, scraped pages, user-generated
GET /api/search-liteagent402.tools$0.008baselive120cdp, payaiWeb search (lite): A quick, low-cost web search sample as clean JSON: up to five ranked re
POST /api/image-thumbnailagent402.tools$0.001baselive120cdp, payaiImage thumbnail: Make a square thumbnail of an image - scales and center-crops to NxN (def
POST /api/image-resizeagent402.tools$0.001baselive120cdp, payaiImage resize: Resize an image to given pixel dimensions. Send a base64 PNG/JPEG/BMP and wi
POST /api/image-convertagent402.tools$0.005baselive120cdp, payaiImage convert: Convert an image between formats (PNG, JPEG, BMP). Send a base64 image and
POST /api/mev-block-paymentagent402.tools$0.002baselive120cdp, payaiMEV block payment lookup: Look up the MEV-Boost payment for a specific slot or block numbe
GET /api/x402-verifyagent402.tools$0.004baselive120cdp, payaiVerify x402 settlement: Confirm a USDC payment actually settled: given a tx hash (and netw
POST /api/token-priceagent402.tools$0.001baselive120cdp, payaiToken spot price (USD): Return the current USD spot price for an ERC-20 token, identified
POST /api/token-metadataagent402.tools$0.001baselive120cdp, payaiERC-20 token metadata: Resolve an ERC-20 contract address to its on-chain metadata: symbol
POST /api/rsiagent402.tools$0.001baselive120cdp, payaiRSI (relative strength index): Compute the relative strength index (Wilder's smoothing, de
POST /api/jwt-signagent402.tools$0.001baselive120cdp, payaiJWT sign: Mint a signed JSON Web Token (HMAC: HS256 default, HS384, HS512) from a payload
POST /api/jwt-decodeagent402.tools$0.001baselive120cdp, payaiJWT decode: Decode a JWT without verification: header (algorithm), payload claims (subject
POST /api/dex-pairagent402.tools$0.001baselive120cdp, payaiResolve Uniswap V3 pool address: Look up the Uniswap V3 pool address for a token pair + fe
POST /api/defi-tvlagent402.tools$0.001baselive120cdp, payaiDeFi protocol TVL: Look up the current Total Value Locked (TVL) for a DeFi protocol from a
POST /api/memory/grantagent402.tools$0.002baselive120cdp, payaiMemory grant: Share your namespace with another wallet so different agents can coordinate
POST /api/cve-lookupagent402.tools$0.005baselive120cdp, payaiCVE lookup: Look up a CVE by id, or search CVEs by keyword or product: the NVD description
GET /api/rwa-issueragent402.tools$0.006baselive120cdp, payaiTokenized asset issuer: One issuer of tokenized real-world assets by id: aggregate tokeniz
POST /api/yaml-to-jsonagent402.tools$0.001baselive120cdp, payaiYAML to JSON: Parse YAML into JSON (safe schema - no code execution).
POST /api/webhook-verifyagent402.tools$0.001baselive120cdp, payaiWebhook signature verify: Verify a webhook's HMAC signature against the correct per-provid
POST /api/uuid-validateagent402.tools$0.001baselive120cdp, payaiUUID validate: Validate a UUID and report its version (1-8) and variant. Accepts hyphenate
POST /api/user-agentagent402.tools$0.001baselive120cdp, payaiUser-agent parse: Heuristic user-agent string parser: browser, version, OS, device class,
POST /api/url-parseagent402.tools$0.001baselive120cdp, payaiURL parse: Parse a URL into components: protocol, host, port, path, query params (decoded)
POST /api/unit-convertagent402.tools$0.001baselive120cdp, payaiUnit convert: Convert a value between units of length, mass, temperature, volume, area, sp
POST /api/truncateagent402.tools$0.001baselive120cdp, payaiTruncate: Truncate text to a maximum length, adding an ellipsis (or custom suffix). Option
POST /api/token-countagent402.tools$0.001baselive120cdp, payaiToken count: Count exact LLM tokens for a string using the real OpenAI BPE (o200k_base for
POST /api/time-convertagent402.tools$0.001baselive120cdp, payaiTime convert: Convert between epoch (s or ms), ISO 8601, and any IANA timezone. Give a val
GET /api/timeagent402.tools$0.001baselive120cdp, payaiCurrent time: Current time: UTC ISO, epoch seconds/ms, day of week/year, ISO week - option
POST /api/text-statsagent402.tools$0.001baselive120cdp, payaiText statistics: Counts for any text in one call: characters (Unicode code points), words,
POST /api/text-chunkagent402.tools$0.001baselive120cdp, payaiText chunk (RAG): Split text into overlapping chunks for RAG ingestion - by characters (de
POST /api/stats-summaryagent402.tools$0.001baselive120cdp, payaiStats summary: Compute the full descriptive-stats panel for an array of numbers in one cal
POST /api/sql-cert-verifyagent402.tools$0.001baselive120cdp, payaiSQL execution certificate verify: Verify an Ed25519 execution certificate against the exac
POST /api/spf-checkagent402.tools$0.001baselive120cdp, payaiSPF check: Fetch and validate a domain's SPF record (RFC 7208). Parses mechanisms (ip4/ip6
POST /api/sort-linesagent402.tools$0.001baselive120cdp, payaiSort lines: Sort the lines of a text. order: asc (default) | desc | numeric. unique:true r
POST /api/slugifyagent402.tools$0.001baselive120cdp, payaiSlugify: Turn any text into a URL-safe slug (lowercase, hyphenated, diacritics stripped).
POST /api/sharpe-ratioagent402.tools$0.001baselive120cdp, payaiSharpe ratio: Risk-adjusted return: (mean return - risk-free rate) / sample standard devia
POST /api/semveragent402.tools$0.001baselive120cdp, payaiSemver parse/compare: Parse a semantic version, or compare two (a vs b → -1/0/1, with grea
POST /api/rot13agent402.tools$0.001baselive120cdp, payaiROT13 / Caesar: Caesar-cipher a string. Default shift 13 (ROT13, self-inverse). Set shift
POST /api/robots-checkagent402.tools$0.001baselive120cdp, payaiRobots.txt check: Fetch a site's robots.txt and answer: may this user-agent crawl this pat
POST /api/relative-timeagent402.tools$0.001baselive120cdp, payaiRelative time: Format a timestamp as a human relative phrase ("3 hours ago", "in 2 days")
POST /api/regexagent402.tools$0.001baselive120cdp, payaiRegex test: Run a regular expression against text. Returns up to 100 matches with index an
POST /api/readability-scoreagent402.tools$0.001baselive120cdp, payaiReadability score: Compute Flesch-Kincaid Grade Level, Flesch Reading Ease, Gunning Fog In
POST /api/readabilityagent402.tools$0.001baselive120cdp, payaiReadability: Flesch Reading Ease score and Flesch–Kincaid grade level for English text, pl
POST /api/querystringagent402.tools$0.001baselive120cdp, payaiQuery string: Parse a URL query string into an object, or build one from an object. mode:
GET /api/public-holidaysagent402.tools$0.001baselive120cdp, payaiPublic holidays: Public holidays for a country and year from an open public-holiday datase
GET /api/place-searchagent402.tools$0.001baselive120cdp, payaiPlace search: Search open map data for places by keyword, optionally restricted to a bound
POST /api/perp-open-interestagent402.tools$0.001baselive120cdp, payaiPerp open interest: Open interest for one perpetual in coins and USD notional with its sha
POST /api/password-strengthagent402.tools$0.001baselive120cdp, payaiPassword strength: Score a password's strength: character-set size, entropy bits, a 0–4 ra
POST /api/openapi-searchagent402.tools$0.001baselive120cdp, payaiOpenAPI operation search: Search operations in an OpenAPI 3.x or Swagger 2.x spec against
POST /api/openapi-redactagent402.tools$0.001baselive120cdp, payaiOpenAPI spec redactor: Shrink an OpenAPI 3.x or Swagger 2.x document for LLM context by st
POST /api/openapi-extractagent402.tools$0.001baselive120cdp, payaiOpenAPI endpoint extractor: Flatten an OpenAPI 3.x or Swagger 2.x spec into a structured l
POST /api/openapi-diffagent402.tools$0.001baselive120cdp, payaiOpenAPI / Swagger diff: Compare two OpenAPI 3.x or Swagger 2.x documents and return a stru

Page 4 of 50: previous next · 10,630 more are only in bazaar.json and the sitemaps