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

ResourceHostPriceNetworkVerdictPayersCatalogsDescription
POST /api/skill/seo-auditagent402.tools$0.009baselive120cdpSkill: Technical SEO audit: Can search engines and AI crawlers actually index this page? O
POST /api/skill/cheapest-railagent402.tools$0.009baselive120cdpSkill: Cheapest rail right now: Where should an agent transact this minute? Live gas on Et
POST /api/transcribeagent402.tools$0.03baselive120cdpSpeech-to-text: Transcribe audio to text using OpenAI (gpt-transcribe). Provide a URL to a
POST /api/decideagent402.tools$0.02baselive120cdpDecide: tool plan for a task: Describe a job and get a call-ready plan: which tools, acros
POST /api/decide/executeagent402.tools$0.001baselive120cdpDecide: execute a plan: Run a decision's plan through Agent402: first-party steps run dire
GET /api/weather-alertsagent402.tools$0.002baselive120cdpUS weather alerts: Active National Weather Service alerts for a US state as clean JSON: ev
GET /api/treasury-debtagent402.tools$0.002baselive120cdp, payaiUS total public debt outstanding: Most recent total US public debt outstanding (the headli
POST /api/stablecoin-supply-historyagent402.tools$0.002baselive120cdpStablecoin supply history: Daily total stablecoin supply in USD over time, for all chains
POST /api/selector-lookupagent402.tools$0.002baselive120cdpFunction selector / event topic: Resolve a 4-byte function selector or a 32-byte event top
POST /api/options-tickeragent402.tools$0.002baselive120cdpOptions 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/nft-collectionagent402.tools$0.002baselive120cdp, payaiNFT collection metadata: Fetch NFT collection (ERC-721 / ERC-1155) metadata by contract ad
POST /api/mev-recent-blocksagent402.tools$0.002baselive120cdp, payaiMEV recent blocks: Last N MEV-Boost-built blocks via the Flashbots relay. For each block:
POST /api/l2-gas-comparisonagent402.tools$0.002baselive120cdp, payaiL2 gas comparison: Current gas snapshot across Ethereum + supported L2s (Base, Polygon, Ar
POST /api/kalshi-marketsagent402.tools$0.002baselive120cdp, payaiKalshi markets list: List Kalshi markets (CFTC-regulated US event contracts). Filter by st
POST /api/embedagent402.tools$0.002baselive120cdp, payaiText embeddings: Generate a text embedding vector using OpenAI text-embedding-3-small (153
POST /api/dns-propagationagent402.tools$0.002baselive120cdp, payaiDNS propagation check: Resolve the same DNS record against 4 public resolvers (Google, Clo
POST /api/dex-quoteagent402.tools$0.002baselive120cdpUniswap V3 spot quote: Spot quote for swapping through a Uniswap V3 pool at the current ti
POST /api/defi-protocolsagent402.tools$0.002baselive120cdpDeFi protocols ranked by TVL: DeFi protocols ranked by total value locked, filterable by c
POST /api/captcha-verifyagent402.tools$0.002baselive120cdpCaptcha verify: Validate a Cloudflare Turnstile, Google reCAPTCHA, or hCaptcha token serve
POST /api/pdf-extract-pagesagent402.tools$0.003baselive120cdpExtract / split PDF pages: Pull a subset of pages into a new PDF (split). Body: {"url":"ht
POST /api/image-dominant-coloragent402.tools$0.003baselive120cdpImage dominant color: Extract the dominant colors of an image as a palette of hex values w
POST /api/tls-certagent402.tools$0.001baselive120cdp, payaiTLS certificate: Inspect the TLS certificate of any public host: subject, issuer, validity
POST /api/testnet-fundagent402.tools$0.001baselive120cdpTestnet faucet (try x402 free): Fund any address with testnet money via the Coinbase fauce
GET /api/search-suggestagent402.tools$0.001baselive120cdp, payaiSearch autocomplete: Search autocomplete: query suggestions for a partial input as a flat
GET /api/reverse-geocodeagent402.tools$0.001baselive120cdp, payaiReverse geocode: Resolve a lat/lon to a structured postal address: road, house number, cit
GET /api/public-holidaysagent402.tools$0.001baselive120cdpPublic holidays: Public holidays for a country and year via Nager.Date (keyless, 100+ coun
GET /api/place-searchagent402.tools$0.001baselive120cdp, payaiPlace search: Search OpenStreetMap for places by keyword, optionally restricted to a bound
POST /api/perp-klinesagent402.tools$0.001baselive120cdpPerp candles (OHLCV): OHLCV candles for one perpetual at any interval from 1 minute to 1 m
POST /api/pdf-infoagent402.tools$0.001baselive120cdpPDF info: Inspect a PDF without downloading the whole thing into your model: page count, t
POST /api/nft-metadataagent402.tools$0.001baselive120cdp, payaiNFT metadata lookup: Resolve the metadata for a single NFT: title, description, image URLs
POST /api/http-checkagent402.tools$0.001baselive120cdp, payaiHTTP check: Check any public URL: status code, latency, final URL after redirects, and res
GET /api/drug-adverse-eventsagent402.tools$0.001baselive120cdpFDA drug adverse events: Top reported adverse reactions for a drug from the FDA FAERS data
GET /api/dnsagent402.tools$0.001baselive120cdpDNS lookup: Live DNS lookup for a domain: returns name, type and records[]. Supported reco
POST /api/dmarc-checkagent402.tools$0.001baselive120cdp, payaiDMARC check: Fetch and validate a domain's DMARC policy at _dmarc.<domain> (RFC 7489). Sur
POST /api/dex-top-poolsagent402.tools$0.001baselive120cdp, payaiTop DEX pools by TVL: Top DEX pools (Uniswap, Sushi, Curve, Aerodrome, etc.) ranked by cur
POST /api/defi-dex-volumeagent402.tools$0.001baselive120cdpDEX volume by protocol: Decentralized exchanges ranked by 24h spot volume with 7d, 30d, 1y
GET /api/x402-verifyagent402.tools$0.004baselive120cdp, payaiVerify x402 settlement: Confirm a USDC payment actually settled: given a tx hash (and netw
POST /api/wallet-balanceagent402.tools$0.002baselive120cdp, payaiWallet balance (native + ERC-20): Look up the native coin balance (ETH/MATIC) plus every E
POST /api/token-allowanceagent402.tools$0.002baselive120cdpERC-20 allowance (owner to: How much of an ERC-20 token a spender contract is approved to
POST /api/sol-token-lookupagent402.tools$0.002baselive120cdpSolana token lookup (Jupiter): Resolve a Solana token by mint, ticker or name through Jupi
POST /api/perp-funding-screeneragent402.tools$0.002baselive120cdpPerp funding screener: Every listed perpetual ranked by current funding rate, the most pos
POST /api/nft-flooragent402.tools$0.002baselive120cdp, payaiNFT floor price: Get the current floor price for an NFT collection across OpenSea + LooksR
POST /api/moderateagent402.tools$0.002baselive120cdp, payaiContent moderation: Check text for harmful content using OpenAI moderation (omni-moderatio
POST /api/mev-builder-shareagent402.tools$0.002baselive120cdp, payaiMEV builder share: Builder market share aggregated over the last N MEV-Boost blocks via th
POST /api/kalshi-eventagent402.tools$0.002baselive120cdp, payaiKalshi event detail: Get full detail for a single Kalshi event with all its nested markets
POST /api/ip-infoagent402.tools$0.002baselive120cdp, payaiIP info: Classify an IP address: version, public/private/loopback/link-local, integer form
POST /api/gravatar-checkagent402.tools$0.002baselive120cdpGravatar existence check: Check whether an email address has a Gravatar: hashes the normal
GET /api/fx-historicalagent402.tools$0.002baselive120cdp, payaiHistorical FX rate by date: Historical foreign-exchange rate for a specific date using Eur
POST /api/eth-callagent402.tools$0.002baselive120cdp, payaiRead-only JSON-RPC passthrough: Escape hatch for power users: forward an arbitrary read-on
POST /api/ens-bulk-resolveagent402.tools$0.002baselive120cdp, payaiENS bulk reverse resolver: Reverse-resolve a batch of Ethereum addresses to ENS primary na
GET /api/earthquakesagent402.tools$0.002baselive120cdpRecent earthquakes (USGS): Real-time USGS earthquake feed: magnitude, place, time, depth,
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-yield-historyagent402.tools$0.002baselive120cdpDeFi yield pool history: Daily APY and TVL history for one yield pool, up to ten years, wi
POST /api/defi-chain-tvl-historyagent402.tools$0.002baselive120cdpDeFi chain TVL history: Daily total value locked history for one chain or for all of DeFi,
POST /api/tx-receiptagent402.tools$0.003baselive120cdpTransaction receipt (decoded: Full receipt for a transaction hash in one call: status, blo
POST /api/stablecoinsagent402.tools$0.003baselive120cdpStablecoin supply by asset: Stablecoins ranked by circulating supply: peg currency and mec
GET /api/stablecoin-pegagent402.tools$0.003baselive120cdpStablecoin peg monitor: Live $1-peg deviation for the top USD stablecoins (USDT, USDC, USD
POST /api/sol-token-searchagent402.tools$0.003baselive120cdpSearch Solana tokens and pairs: Find Solana tokens and pairs by name, ticker or address ac
POST /api/sol-token-pairsagent402.tools$0.003baselive120cdpSolana token trading pairs: Every DEX pair trading a Solana token mint (Raydium, Orca, Met
GET /api/rwa-listagent402.tools$0.003baselive120cdpTokenized assets list: Every real-world asset with a tokenized onchain version that CoinGe
GET /api/rwa-issuersagent402.tools$0.003baselive120cdpTokenized asset issuers: The issuers behind tokenized real-world assets (Coinbase, Backpac
POST /api/image-exifagent402.tools$0.003baselive120cdpImage EXIF: Extract EXIF metadata from an image (camera make/model, timestamps, exposure,
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$0.003baselive120cdpFarcaster cast lookup: Fetch one Farcaster cast by hash or warpcast.com / farcaster.xyz UR
POST /api/favicon-grabagent402.tools$0.003baselive120cdpSite favicon grabber: Fetch a site's favicon/logo: reads the page's declared <link rel=ico
POST /api/calldata-decodeagent402.tools$0.003baselive120cdpCalldata decoder (ABI or: Decode EVM smart-contract transaction calldata into the function
POST /api/asset-transfersagent402.tools$0.003baselive120cdpAsset transfers (filtered): Token and native transfer history for any EVM address across m
POST /api/skill/url-inspectoragent402.tools$0.004baselive120cdpSkill: URL inspector: Quick URL health and metadata check - parse the URL structure, verif
POST /api/skill/contact-verifyagent402.tools$0.004baselive120cdpSkill: Contact verification: Verify an email address is deliverable - syntax validation pl
POST /api/images-to-pdfagent402.tools$0.004baselive120cdpImages to PDF: Combine PNG/JPEG images into a single PDF, one image per page. Body: {"urls
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$0.001baselive120cdpWebhook 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-codeagent402.tools$0.001baselive120cdp, payaiURL encode/decode: Percent-encode or decode a string for URLs. mode: encode (default) or d
POST /api/unit-convertagent402.tools$0.001baselive120cdpUnit convert: Convert a value between units of length, mass, temperature, volume, area, sp
GET /api/ulidagent402.tools$0.001baselive120cdpULID generator: Generate ULIDs (sortable, timestamp-prefixed identifiers).
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$0.001baselive120cdpToken count: Count exact LLM tokens for a string using the real OpenAI BPE (o200k_base for
GET /api/timezone-convertagent402.tools$0.001baselive120cdp, payaiTimezone convert: Convert a datetime from one IANA timezone to another. Accepts ISO 8601,
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$0.001baselive120cdpCurrent 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-diffagent402.tools$0.001baselive120cdp, payaiText diff: Line-by-line diff of two texts (LCS). Returns unified-style ops and change coun
POST /api/text-chunkagent402.tools$0.001baselive120cdpText chunk (RAG): Split text into overlapping chunks for RAG ingestion - by characters (de
POST /api/stats-summaryagent402.tools$0.001baselive120cdpStats summary: Compute the full descriptive-stats panel for an array of numbers in one cal
POST /api/sql-cert-verifyagent402.tools$0.001baselive120cdpSQL 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/sol-priceagent402.tools$0.001baselive120cdpSolana token prices (Jupiter): USD price for up to 50 Solana token mints in one call from
POST /api/slugifyagent402.tools$0.001baselive120cdp, payaiSlugify: Turn any text into a URL-safe slug (lowercase, hyphenated, diacritics stripped).
POST /api/sharpe-ratioagent402.tools$0.001baselive120cdpSharpe 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/mev-block-paymentagent402.tools$0.002baselive120cdp, payaiMEV block payment lookup: Look up the MEV-Boost payment for a specific slot or block numbe
POST /api/rot13agent402.tools$0.001baselive120cdp, payaiROT13 / Caesar: Caesar-cipher a string. Default shift 13 (ROT13, self-inverse). Set shift
POST /api/romanagent402.tools$0.001baselive120cdp, payaiRoman numerals: Convert an integer (1-3999) to Roman numerals, or a Roman numeral back to
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$0.001baselive120cdpRelative 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

Page 6 of 50: previous next · 18,920 more are only in bazaar.json and the sitemaps