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

ResourceHostPriceNetworkVerdictPayersCatalogsDescription
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/qragent402.tools$0.001baselive120cdpQR code: Generate a QR code PNG from any text or URL.
POST /api/perp-open-interestagent402.tools$0.001baselive120cdpPerp open interest: Open interest for one perpetual in coins and USD notional with its sha
POST /api/percentageagent402.tools$0.001baselive120cdp, payaiPercentage: Percentage helper. op: "of" (a% of b), "change" (% change a→b), "ratio" (a is
POST /api/password-strengthagent402.tools$0.001baselive120cdp, payaiPassword strength: Score a password's strength: character-set size, entropy bits, a 0–4 ra
GET /api/passwordagent402.tools$0.001baselive120cdpPassword generator: Generate cryptographically random passwords.
POST /api/outliersagent402.tools$0.001baselive120cdpOutlier detection (IQR +: Flag outliers in a numeric series using either the IQR rule (Tuk
POST /api/openapi-validate-payloadagent402.tools$0.001baselive120cdpOpenAPI payload validator: Validate a JSON payload against the request or response schema
POST /api/openapi-security-summaryagent402.tools$0.001baselive120cdpOpenAPI security summary: Resolve authentication requirements across an OpenAPI 3.x or Swa
POST /api/openapi-searchagent402.tools$0.001baselive120cdpOpenAPI operation search: Search operations in an OpenAPI 3.x or Swagger 2.x spec against
POST /api/openapi-resolve-refsagent402.tools$0.001baselive120cdpOpenAPI $ref resolver: Inline every local `$ref` in an OpenAPI 3.x or Swagger 2.x document
POST /api/openapi-redactagent402.tools$0.001baselive120cdpOpenAPI spec redactor: Shrink an OpenAPI 3.x or Swagger 2.x document for LLM context by st
POST /api/openapi-mock-responseagent402.tools$0.001baselive120cdpOpenAPI mock response generator: Synthesize a JSON response body for one operation + statu
POST /api/openapi-extractagent402.tools$0.001baselive120cdpOpenAPI endpoint extractor: Flatten an OpenAPI 3.x or Swagger 2.x spec into a structured l
POST /api/openapi-diffagent402.tools$0.001baselive120cdpOpenAPI / Swagger diff: Compare two OpenAPI 3.x or Swagger 2.x documents and return a stru
POST /api/onramp-linkagent402.tools$0.001baselive120cdpOnramp link (fund a wallet with: Generate a single-use Coinbase Onramp URL that lets a hum
POST /api/number-formatagent402.tools$0.001baselive120cdp, payaiNumber format: Format a number: thousands separators, fixed decimals, optional currency, o
POST /api/npvagent402.tools$0.001baselive120cdp, payaiNet present value (NPV): Compute the net present value of a stream of cashflows at a given
POST /api/moving-averageagent402.tools$0.001baselive120cdpMoving average (SMA + EMA): Compute simple (SMA) and exponential (EMA) moving averages ove
POST /api/morseagent402.tools$0.001baselive120cdp, payaiMorse code: Encode text to Morse code or decode it back. mode: encode (default) or decode.
GET /api/mimeagent402.tools$0.001baselive120cdpMIME lookup: Look up a MIME type by file extension.
POST /api/memory/revokeagent402.tools$0.001baselive120cdpMemory revoke: Revoke a previously granted wallet's access to your namespace.
GET /api/memory/logagent402.tools$0.001baselive120cdp, payaiMemory audit log: Tamper-evident history of every change to a namespace - an append-only,
POST /api/loan-paymentagent402.tools$0.001baselive120cdp, payaiLoan payment: Compute the monthly (or per-period) payment on a fully-amortizing loan: mort
POST /api/linear-regressionagent402.tools$0.001baselive120cdpLinear regression (OLS): Fit a least-squares line y = slope·x + intercept to two equal-len
POST /api/levenshteinagent402.tools$0.001baselive120cdp, payaiEdit distance: Levenshtein edit distance between two strings, plus a 0-1 similarity ratio.
POST /api/leap-yearagent402.tools$0.001baselive120cdp, payaiLeap year check: Check whether a year is a leap year and get related info: days in that ye
POST /api/jwt-verifyagent402.tools$0.001baselive120cdp, payaiJWT verify (HMAC): Verify an HS256/384/512 JWT signature against a secret and check expiry
POST /api/jwt-signagent402.tools$0.001baselive120cdpJWT 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/jsonlagent402.tools$0.001baselive120cdpJSONL convert: Convert between a JSON array and JSONL/NDJSON (one JSON object per line). m
POST /api/json-validateagent402.tools$0.001baselive120cdp, payaiJSON Schema validate: Validate a JSON document against a JSON Schema (draft-07 subset) and
POST /api/json-schema-inferagent402.tools$0.001baselive120cdpJSON Schema infer: Infer a draft-07 JSON Schema from sample JSON document(s). Send one sam
POST /api/json-queryagent402.tools$0.001baselive120cdp, payaiJSON query: Extract a value from JSON by dot/bracket path, e.g. "items[2].name".
POST /api/json-pointeragent402.tools$0.001baselive120cdpJSON pointer: Resolve an RFC 6901 JSON Pointer (e.g. /items/0/name) against a JSON value.
POST /api/json-mergeagent402.tools$0.001baselive120cdp, payaiJSON deep merge: Deep-merge two JSON objects (b wins on conflicts; arrays are concatenated
POST /api/json-formatagent402.tools$0.001baselive120cdp, payaiJSON validate & format: Validate, pretty-print (any indentation, 0-8 spaces), or minify JS
POST /api/json-flattenagent402.tools$0.001baselive120cdp, payaiJSON flatten/unflatten: Flatten nested JSON to dot-path keys, or unflatten dot-path keys b
POST /api/json-diffagent402.tools$0.001baselive120cdp, payaiJSON diff: Deep-compare two JSON values. Returns a list of changed/added/removed paths (ca
POST /api/iso-weekagent402.tools$0.001baselive120cdp, payaiISO week number: Get the ISO 8601 week number, ISO day-of-week, quarter, and day-of-year f
POST /api/isbn-validateagent402.tools$0.001baselive120cdp, payaiISBN validate: Validate an ISBN-10 or ISBN-13 checksum (hyphens/spaces ignored) and report
POST /api/irragent402.tools$0.001baselive120cdp, payaiInternal rate of return (IRR): Compute the internal rate of return (IRR) of a cashflow str
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/ics-parseagent402.tools$0.001baselive120cdpiCalendar parse (.ics): Parse iCalendar (.ics) text into structured JSON events: summary,
POST /api/iban-validateagent402.tools$0.001baselive120cdp, payaiIBAN validate: Validate an IBAN: country code, length, and the ISO 13616 mod-97 checksum.
POST /api/html-to-markdownagent402.tools$0.001baselive120cdp, payaiHTML to Markdown: Convert an HTML fragment or document you already have into clean markdow
POST /api/html-tableagent402.tools$0.001baselive120cdpHTML table to JSON/CSV: Extract a <table> from an HTML string as JSON rows (header-keyed)
POST /api/html-selectagent402.tools$0.001baselive120cdpHTML select: Run a CSS selector against an HTML string and return the matches (text, attrs
POST /api/html-metaagent402.tools$0.001baselive120cdpHTML meta (from string): Extract <title>, <meta description>, OpenGraph/Twitter cards, can
POST /api/html-linksagent402.tools$0.001baselive120cdpHTML links: Enumerate every <a href> in an HTML string with its anchor text and rel attrib
POST /api/html-entitiesagent402.tools$0.001baselive120cdp, payaiHTML entities: Encode text to HTML entities or decode them back. mode: encode (default) or
POST /api/hmacagent402.tools$0.001baselive120cdp, payaiHMAC: HMAC signature of a message with a shared key. Algorithms: sha256 (default), sha512,
POST /api/hexagent402.tools$0.001baselive120cdp, payaiHex: Hex encode or decode text. mode: encode (default) or decode.
POST /api/gzipagent402.tools$0.001baselive120cdpGzip compress: Compress a string with gzip (RFC 1952) and return it as base64. Reports inp
POST /api/gunzipagent402.tools$0.001baselive120cdpGzip decompress: Decompress a base64-encoded gzip payload. Returns the result as utf8 (tex
GET /api/geocodeagent402.tools$0.001baselive120cdp, payaiGeocode address: Resolve a free-form address or place name to coordinates: lat/lon, displa
POST /api/geo-distanceagent402.tools$0.001baselive120cdpGeo distance (haversine): Great-circle distance between two latitude/longitude points usin
GET /api/gas-estimateagent402.tools$0.001baselive120cdp, payaiGas price: Current gas price on Base, Polygon, Arbitrum, Optimism, Ethereum, Monad, Celo,
POST /api/forecast-sesagent402.tools$0.001baselive120cdpForecast (simple exponential: Simple exponential smoothing (SES) - level-only forecast for
POST /api/forecast-naiveagent402.tools$0.001baselive120cdpForecast (naive baselines): Three textbook baseline forecasts: mean (forecast = average of
POST /api/forecast-holt-wintersagent402.tools$0.001baselive120cdpForecast (Holt-Winters seasonal): Holt-Winters triple exponential smoothing - level + tren
POST /api/forecast-holtagent402.tools$0.001baselive120cdpForecast (Holt linear trend): Holt's linear trend method - level + trend (no seasonality).
POST /api/forecast-evalagent402.tools$0.001baselive120cdpForecast backtest (MAPE + RMSE): Backtest a forecasting method on the input series by hold
POST /api/financeagent402.tools$0.001baselive120cdp, payaiFinance: Financial math. op: "compound" (future value of principal at a rate) or "loan" (m
GET /api/feedback/summaryagent402.tools$0.001baselive120cdpFeedback tally by tool: What paying buyers said about each tool on this server: good and b
POST /api/epoch-convertagent402.tools$0.001baselive120cdp, payaiEpoch / ISO converter: Convert between Unix epoch timestamps and ISO 8601 date strings in
GET /api/ens-resolveagent402.tools$0.001baselive120cdp, payaiENS resolve: Resolve an ENS name (e.g. vitalik.eth) to its Ethereum address - so an agent
POST /api/email-validateagent402.tools$0.001baselive120cdp, payaiEmail validate: Validate an email address: syntax check plus live MX record lookup on the
POST /api/effective-annual-rateagent402.tools$0.001baselive120cdpEffective annual rate: Convert a nominal annual rate (APR) compounded m times per year int
POST /api/easter-dateagent402.tools$0.001baselive120cdp, payaiEaster date calculator: Compute the date of Easter Sunday for a given year using the Anony
POST /api/durationagent402.tools$0.001baselive120cdp, payaiDuration parse/humanize: Parse a duration like "2h30m" / "1d4h" / "90s" to seconds, or hum
POST /api/dedupe-linesagent402.tools$0.001baselive120cdp, payaiDedupe lines: Remove duplicate lines, preserving first-seen order. Returns the deduped tex
POST /api/day-of-yearagent402.tools$0.001baselive120cdp, payaiDay of year: Get the day number within the year (1-366) for any date, plus days remaining,
GET /api/date-formatagent402.tools$0.001baselive120cdp, payaiDate format: Parse a datetime from any format (ISO 8601, Unix timestamp in seconds or mill
POST /api/date-diffagent402.tools$0.001baselive120cdpDate difference: Difference between two dates/times in ms, seconds, minutes, hours, days,
POST /api/csv-lintagent402.tools$0.001baselive120cdp, payaiCSV lint: Validate CSV structure: consistent column counts across rows, properly closed qu
POST /api/cron-nextagent402.tools$0.001baselive120cdpCron next runs: Parse a 5-field cron expression and return the next N run times (UTC).
POST /api/crc32agent402.tools$0.001baselive120cdp, payaiCRC32: CRC-32 checksum of a text string (hex), the IEEE polynomial used by zip/png/gzip.
GET /api/country-infoagent402.tools$0.001baselive120cdpCountry info: Country facts by name or ISO code: official name, capital, region, currencie
POST /api/countagent402.tools$0.001baselive120cdp, payaiCount: Count characters, words, lines, and (optionally) occurrences of a substring in text
POST /api/correlationagent402.tools$0.001baselive120cdpCorrelation (Pearson): Pearson correlation coefficient between two equal-length numeric se
POST /api/compress-compareagent402.tools$0.001baselive120cdpCompression compare: Run the same input through gzip, brotli, and raw deflate at max setti
POST /api/coloragent402.tools$0.001baselive120cdp, payaiColor convert: Convert a color between hex, RGB, and HSL. Accepts "#1a2b3c", "rgb(26,43,60
POST /api/cidragent402.tools$0.001baselive120cdp, payaiCIDR calculator: Parse an IPv4 CIDR block: network address, broadcast, first/last host, ne
POST /api/checksumagent402.tools$0.001baselive120cdp, payaiMulti-digest checksum: Compute MD5, SHA-1, SHA-256, SHA-512, and CRC32 checksums of a stri
GET /api/screenshotagent402.tools$0.004baselive120cdpScreenshot: Screenshot any public URL in headless Chromium. Returns a PNG image. Use when
GET /api/chain/total-supplyagent402.tools$0.001baselive120cdpToken total supply: The circulating total supply of an ERC-20, read from the token contrac
GET /api/chain/storageagent402.tools$0.001baselive120cdpContract storage slot: Read one 32-byte storage slot from a contract, the raw state under
GET /api/chain/pendingagent402.tools$0.001baselive120cdpPending block: The chain's pending block: how many transactions are queued for the next bl
GET /api/chain/nonceagent402.tools$0.001baselive120cdpAccount nonce: The transaction count of an account, which is the nonce its next transactio
GET /api/chain-infoagent402.tools$0.001baselive120cdpChain info snapshot: One-call chain state snapshot: chain id, latest block number, and cur
POST /api/caseagent402.tools$0.001baselive120cdpCase convert: Convert text between camelCase, PascalCase, snake_case, kebab-case, CONSTANT
POST /api/card-validateagent402.tools$0.001baselive120cdp, payaiCard number validate: Validate a payment card number (Luhn checksum) and detect the brand.
POST /api/captcha-generateagent402.tools$0.001baselive120cdpCaptcha generate: Mint a stateless captcha challenge to gate your OWN endpoint: returns a
POST /api/calcagent402.tools$0.001baselive120cdp, payaiCalculator: Safely evaluate an arithmetic expression (+ - * / % ^ and parentheses). No cod
POST /api/cagragent402.tools$0.001baselive120cdpCAGR: Compound annual growth rate between a beginning and ending value over N years: (end/
POST /api/business-daysagent402.tools$0.001baselive120cdpBusiness days: Count business days (Mon–Fri) between two dates, inclusive of the start, ex

Page 7 of 50: previous next · 18,920 more are only in bazaar.json and the sitemaps