Agent Exchange x402 census and directory

x402 census · browse

x402 resources on Base

Resources whose first Base-preferring accepts entry names Base (eip155:8453). 23,920 resources: 4,364 answer a valid 402 (18.2%), 2,387 are dead (10.0%). Sorted by payers on record, then live verdict, then catalog freshness.

Page 8 of 50: previous next · 18,920 more are only in bazaar.json and the sitemaps

ResourceHostPriceNetworkVerdictPayersCatalogsDescription
POST /api/brotli-decompressagent402.tools$0.001baselive120cdpBrotli decompress: Decompress a base64-encoded Brotli payload. Returns the result as utf8
POST /api/brotli-compressagent402.tools$0.001baselive120cdpBrotli compress: Compress a string with Brotli (RFC 7932) and return it as base64. Brotli
POST /api/break-evenagent402.tools$0.001baselive120cdpBreak-even analysis: Break-even point for a product: the units and revenue at which total
POST /api/bond-priceagent402.tools$0.001baselive120cdpBond price: Price a fixed-coupon bond from its yield to maturity: present-value the coupon
POST /api/base58agent402.tools$0.001baselive120cdp, payaiBase58: Base58 encode or decode text (Bitcoin/IPFS alphabet). mode: encode (default) or de
POST /api/base32agent402.tools$0.001baselive120cdp, payaiBase32: Base32 (RFC 4648) encode or decode text. mode: encode (default) or decode.
POST /api/base-convertagent402.tools$0.001baselive120cdpBase / radix convert: Convert an integer between number bases (radix 2-36), e.g. binary↔he
POST /api/barcode-decodeagent402.tools$0.001baselive120cdp, payaiBarcode / QR decode: Decode a barcode or QR code from an image. Send a base64 PNG or JPEG
POST /api/b20-feature-idagent402.tools$0.001baselive120cdpB20 feature id: Pure-CPU helper: turn a B20 feature string (e.g. base.b20_asset) into its
POST /api/asn-infoagent402.tools$0.001baselive120cdp, payaiASN + IP geolocation: Look up the Autonomous System (ASN), prefix, country, registry, and
POST /api/annuityagent402.tools$0.001baselive120cdpAnnuity present/future value: Present and future value of a level annuity (equal periodic
POST /api/amortizationagent402.tools$0.001baselive120cdp, payaiAmortization schedule: Build the full per-period amortization schedule for a fully-amortiz
POST /api/ageagent402.tools$0.001baselive120cdp, payaiAge calculator: Compute a precise age (years, months, days) from a birth date to today (or
POST /api/add-timeagent402.tools$0.001baselive120cdp, payaiDate arithmetic: Add (or subtract) a duration to a date. duration like "2d", "-3h", "1w 2d
POST /v1/metered/geminiagent402.tools$0.0019baselive120cdpGemini generateContent (metered: Google's generateContent wire priced from the request its
POST /api/xml-to-jsonagent402.tools$0.002baselive120cdp, payaiXML to JSON: Parse XML into a JSON object tree (attributes under _attrs, text under _text;
GET /api/x402-quoteagent402.tools$0.002baselive120cdp, payaix402 quote: Probe any URL and decode its HTTP 402 payment requirements (price, asset, netw
GET /api/world-bank-searchagent402.tools$0.002baselive120cdp, payaiSearch World Bank indicators: Search the World Bank indicator catalog (1,400+ indicators a
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/weather-air-qualityagent402.tools$0.002baselive120cdp, payaiAir quality (global): Current air quality index and pollutant concentrations for any locat
POST /api/wallet-transactionsagent402.tools$0.002baselive120cdp, payaiWallet transaction history: Return the most recent asset transfers (incoming + outgoing) f
GET /api/wallet-balancesagent402.tools$0.002baselive120cdpWallet token balances (indexed): All token balances for any address in one call, from Coin
POST /api/unshorten-urlagent402.tools$0.002baselive120cdpURL unshortener: Follow a short link's redirect chain (bit.ly, t.co, youtu.be, tracking li
POST /api/totpagent402.tools$0.002baselive120cdp, payaiTOTP code: Compute the current TOTP code (RFC 6238, 30s period, SHA-1, 6 digits) from a ba
POST /api/token-balancesagent402.tools$0.002baselive120cdpToken balances (named contracts): ERC-20 balances of one wallet for a NAMED list of token
POST /api/srt-convertagent402.tools$0.002baselive120cdpSubtitle convert (SRT/VTT): Convert subtitles between SRT, WebVTT, plain text, and JSON cu
POST /api/sitemapagent402.tools$0.002baselive120cdpSitemap reader: Fetch and parse a sitemap.xml (or sitemap index): returns up to 500 URLs w
GET /api/sanctions/walletagent402.tools$0.002baselive120cdpSanctions screening - crypto: Is this blockchain address on the OFAC SDN list? Screens any
POST /api/redactagent402.tools$0.002baselive120cdp, payaiRedact PII: Mask emails, phone numbers, credit-card-like numbers, IPs, and SSNs in text. R
POST /api/perp-orderbookagent402.tools$0.002baselive120cdpPerp order book: The live level-2 order book for one perpetual: best bid and ask, mid, spr
POST /api/perp-dexsagent402.tools$0.002baselive120cdpPerp dexs (HIP-3: Every builder-deployed perpetuals dex on Hyperliquid (HIP-3): dex name,
POST /api/perp-dex-limitsagent402.tools$0.002baselive120cdpPerp dex limits and status: Risk limits and status of ONE builder-deployed perp dex (HIP-3
POST /api/options-volumeagent402.tools$0.002baselive120cdpOnchain options volume by: Onchain options protocols ranked by 24h notional volume with 7d
POST /api/openapi-to-curlagent402.tools$0.002baselive120cdp, payaiOpenAPI to curl command: Build a runnable curl command for one operation in an OpenAPI 3.x
POST /api/openapi-required-paramsagent402.tools$0.002baselive120cdp, payaiOpenAPI required-params: For one operation, return the minimum set of inputs an agent must
POST /api/openapi-lintagent402.tools$0.002baselive120cdp, payaiOpenAPI agent-readiness lint: Score an OpenAPI 3.x or Swagger 2.x spec on agent-readiness
GET /api/onchain-sql-schemaagent402.tools$0.002baselive120cdpOnchain SQL schema: The table + column schema for the onchain-sql tool - every queryable t
GET /api/metaagent402.tools$0.002baselive120cdpPage metadata: Fetch page metadata for a URL: title, description, OpenGraph, Twitter cards
POST /api/memory/recallagent402.tools$0.002baselive120cdp, payaiMemory recall: Recall remembered text by similarity to a query (ranked by cosine similarit
POST /api/l2-tvlagent402.tools$0.002baselive120cdp, payaiL2 TVL ranking: Top L2s by Total Value Locked (TVL) via DeFiLlama. Returns each L2 with TV
POST /api/keywordsagent402.tools$0.002baselive120cdp, payaiKeyword extraction: Top keywords and two-word phrases by frequency (stopwords removed). Ch
POST /api/kalshi-weather-indexagent402.tools$0.002baselive120cdpKalshi city temperature index: Kalshi's own minute-resolution city temperature index (Fahr
POST /api/kalshi-live-dataagent402.tools$0.002baselive120cdpKalshi live data behind an event: The live feed a Kalshi event settles on, from Kalshi's f
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/image-cropagent402.tools$0.002baselive120cdpImage crop: Crop an image to a pixel box, and/or rotate (90/180/270) and flip it - applied
GET /api/fx-rateagent402.tools$0.002baselive120cdp, payaiCurrency exchange rate: Live currency conversion using European Central Bank reference rat
POST /api/farcaster-by-addressagent402.tools$0.002baselive120cdpFarcaster by Ethereum address: Reverse-lookup an Ethereum address to its Farcaster account
POST /api/extract-entitiesagent402.tools$0.002baselive120cdp, payaiExtract entities: Pull emails, URLs, IPv4s, @mentions, and #hashtags out of free text. Ret
GET /api/erc721-owneragent402.tools$0.002baselive120cdpNFT owner lookup (ERC-721: Who owns this NFT? Calls ownerOf(tokenId) on any ERC-721 contra
POST /api/email-deliverabilityagent402.tools$0.002baselive120cdp, payaiEmail deliverability check: End-to-end email-auth report for a domain: SPF + DMARC + DKIM
POST /api/eas-attestationsagent402.tools$0.002baselive120cdpEAS attestations: List EAS (Ethereum Attestation Service) attestations for an address as r
POST /api/dns-lookupagent402.tools$0.002baselive120cdp, payaiDNS lookup: Resolve any DNS record type for a host: A, AAAA, MX, TXT, CNAME, NS, SOA, CAA,
POST /api/dex-poolagent402.tools$0.002baselive120cdp, payaiRead Uniswap V3 pool state: Read on-chain state of a Uniswap V3 pool: token0/token1 addres
POST /api/defi-yieldsagent402.tools$0.002baselive120cdpDeFi yield screener: Live yield opportunities across DeFi, filterable by chain, protocol,
POST /api/defi-protocolagent402.tools$0.002baselive120cdpDeFi protocol profile: One DeFi protocol in full: TVL rank, TVL per chain, recent change,
POST /api/defi-feesagent402.tools$0.002baselive120cdpDeFi protocol fees and revenue: Protocols ranked by fees paid by users or by revenue kept,
POST /api/defi-chainsagent402.tools$0.002baselive120cdpDeFi TVL by chain: Blockchains ranked by DeFi total value locked with each chain's share o
POST /api/csv-to-mdagent402.tools$0.002baselive120cdp, payaiCSV to Markdown table: Convert CSV into a GitHub-flavored Markdown table (first row is the
POST /api/csv-to-jsonagent402.tools$0.002baselive120cdp, payaiCSV to JSON: Parse CSV (quoted fields supported) into a JSON array of objects, using the f
POST /api/crypto-indicatorsagent402.tools$0.002baselive120cdpCrypto technical indicators: RSI, MACD, EMA 20/50/200, SMA 20/50, Bollinger bands, ATR and
GET /api/contract-codeagent402.tools$0.002baselive120cdpContract bytecode check: Is this address a contract, and what code does it hold? Returns i
POST /api/compound-interestagent402.tools$0.002baselive120cdpCompound interest: Compute future value of a principal under compound interest. Returns fu
GET /api/chain/erc1155-balanceagent402.tools$0.002baselive120cdpERC-1155 balance: How many of one ERC-1155 token id an account holds, read straight from t
POST /api/bond-ytmagent402.tools$0.002baselive120cdpBond yield to maturity: Solve a bond's yield to maturity from its market price - the annua
POST /api/black-scholesagent402.tools$0.002baselive120cdpBlack-Scholes option price: Price a European option (call or put) with the Black-Scholes-M
GET /api/b20-activation-checkagent402.tools$0.002baselive120cdpB20 activation check: Is B20 live on Base mainnet? Queries the Activation Registry precomp
POST /api/address-labelagent402.tools$0.002baselive120cdpKnown-address label lookup: Label a known EVM address from a curated, committed dataset: m
POST /api/a2a-card-validateagent402.tools$0.002baselive120cdpA2A Agent Card validate: Validate an A2A (Agent2Agent protocol) Agent Card: required field
POST /v1/nano/geminiagent402.tools$0.003baselive120cdpGemini generateContent (nano: Google's native generateContent wire on the nano tier. Send
GET /api/usdc-balanceagent402.tools$0.003baselive120cdp, payaiUSDC balance: Read the USDC balance of any address on Base, Polygon, Arbitrum, Optimism, E
POST /api/transfer-authorizationagent402.tools$0.003baselive120cdpBuild USDC transfer: Build the EIP-3009 transferWithAuthorization typed data for a gasless
POST /api/sol-trendingagent402.tools$0.003baselive120cdpTrending and newly profiled: What Solana tokens are being pushed right now: DexScreener's
POST /api/sol-swap-quoteagent402.tools$0.003baselive120cdpSolana swap quote (Jupiter): Executable swap quote on Solana from Jupiter's aggregator: in
POST /api/skill/timezone-planneragent402.tools$0.003baselive120cdpSkill: Timezone planner: Time zone conversion, business day calculation, and cron schedule
POST /api/skill/number-crunchagent402.tools$0.003baselive120cdpSkill: Number crunch: Statistical analysis suite: descriptive statistics, correlation anal
POST /api/skill/markdown-convertagent402.tools$0.003baselive120cdpSkill: Markdown to HTML: Markdown to HTML and back - a round-trip conversion that proves f
POST /api/skill/jwt-toolkitagent402.tools$0.003baselive120cdpSkill: JWT toolkit: Decode and verify a JWT in one pass - see the payload and check the si
POST /api/perp-marketsagent402.tools$0.003baselive120cdpPerp markets snapshot: Every listed perpetual futures market in one call: mark, oracle and
POST /api/perp-dex-marketsagent402.tools$0.003baselive120cdpPerp dex markets snapshot: Snapshot of every market on ONE builder-deployed perp dex (HIP-
POST /api/pdf-to-markdownagent402.tools$0.003baselive120cdpPDF to Markdown: Convert a PDF to clean markdown: headings, paragraphs, and bullets recons
POST /api/pdf-rotateagent402.tools$0.003baselive120cdpRotate PDF: Rotate pages by 90/180/270°. Body: {"url":"https://…/file.pdf","degrees":90,"p
POST /api/fc-user-searchagent402.tools$0.003baselive120cdpFarcaster user search: Search Farcaster users by name or username fragment. Returns up to
POST /api/fc-channelagent402.tools$0.003baselive120cdpFarcaster channel details: Details for one Farcaster channel by id (e.g. base) or FIP-2 pa
POST /api/event-logsagent402.tools$0.003baselive120cdpContract event logs: Fetch contract event logs (eth_getLogs) on Ethereum, Base, Polygon, A
GET /api/edgar-13f-datasetsagent402.tools$0.003baselive120cdpEDGAR Form 13F data sets (index): The SEC's bulk Form 13F Data Sets: every quarterly (2013
POST /api/contract-abiagent402.tools$0.003baselive120cdpVerified contract ABI (Sourcify): Fetch the verified ABI for a contract address from Sourc
POST /api/archive-snapshotagent402.tools$0.003baselive120cdpWayback Machine snapshot: Look up a URL in the Internet Archive's Wayback Machine: returns
GET /api/vehicle-recallsagent402.tools$0.004baselive120cdpVehicle recalls (NHTSA): NHTSA safety recalls for a vehicle by make/model/year: campaign n
POST /api/token-price-historyagent402.tools$0.004baselive120cdpToken price history (USD): Historical USD price series for a token, by ticker symbol (ETH,
POST /api/sql-guardagent402.tools$0.004baselive120cdpSQL execution certificate: Review a SQL statement before running it against production: a
POST /api/skill/text-analyzeagent402.tools$0.004baselive120cdpSkill: Text analysis: Full text analysis - word/sentence stats, keyword extraction, and to
POST /api/skill/schema-guardagent402.tools$0.004baselive120cdpSkill: Schema guard: Contract-test a JSON payload in one call: validate it against your sc
POST /api/skill/openapi-auditagent402.tools$0.004baselive120cdpSkill: OpenAPI spec audit: Lint an OpenAPI spec and validate a sample payload against it -
POST /api/skill/locale-briefagent402.tools$0.004baselive120cdpSkill: Locale brief: "Can I reach this counterparty this week?" - country facts, this year
POST /api/skill/json-pipelineagent402.tools$0.004baselive120cdpSkill: JSON pipeline: Validate, pretty-print, and convert JSON to CSV in one pass - the co
POST /api/pdf-mergeagent402.tools$0.004baselive120cdpMerge PDFs: Combine several PDFs into one, in order. Body: {"urls":["https://…/a.pdf","htt
POST /api/x-search-recentagent402.tools$0.08baselive120cdpX recent tweet search: Search public tweets from the last 7 days on X (Twitter) by query,
GET /api/food-recallsagent402.tools$0.004baselive120cdpFDA food recalls: Search FDA food recall / enforcement records (openFDA): recalling firm,
GET /api/fema-disastersagent402.tools$0.004baselive120cdpFEMA disaster declarations: Recent FEMA disaster declarations for a US state (openFEMA): t

Page 8 of 50: previous next · 18,920 more are only in bazaar.json and the sitemaps