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

ResourceHostPriceNetworkVerdictPayersCatalogsDescription
POST /api/v1/x402/base-token-balanceapi.delx.ai$0.001basegone18payaiERC-20 balanceOf for a holder on Base mainnet for $0.001 USDC via eth_call. Call when you
POST /api/v1/x402/base-storageapi.delx.ai$0.001basegone18payaiRead one storage slot on Base for $0.001 USDC via eth_getStorageAt. Call when you need thi
POST /api/v1/x402/base-nonceapi.delx.ai$0.001basegone18payaiTransaction count/nonce for one Base address for $0.001 USDC via eth_getTransactionCount.
POST /api/v1/x402/base-receiptapi.delx.ai$0.001basegone18payaiBase transaction receipt by hash for $0.001 USDC via eth_getTransactionReceipt. Call when
POST /api/v1/x402/base-codeapi.delx.ai$0.001basegone18payaiCheck if a Base address is a contract and return bytecode size for $0.001 USDC via eth_get
POST /api/v1/x402/base-block-hashapi.delx.ai$0.001basegone18payaiBase block header by hash for $0.001 USDC via eth_getBlockByHash. Call when you need this
POST /api/v1/x402/base-balanceapi.delx.ai$0.001basegone18payaiNative ETH balance for one address on Base mainnet for $0.001 USDC via live JSON-RPC. Call
POST /api/v1/x402/base-callapi.delx.ai$0.002basegone18payaiBounded read-only eth_call on Base for $0.002 USDC (max 4KB data/response). Call when you
POST /api/v1/x402/base-blockapi.delx.ai$0.001basegone18payaiLatest Base mainnet block header via live JSON-RPC for $0.001 USDC—number, hash, timestamp
POST /api/v1/x402/base-estimate-gasapi.delx.ai$0.001basegone18payaieth_estimateGas for a bounded call on Base for $0.001 USDC (max 4KB data). Call when you n
POST /api/v1/x402/base-logsapi.delx.ai$0.002basegone18payaiBounded eth_getLogs on Base (≤5 block span, ≤50 logs) for $0.002 USDC. Call when you need
POST /api/v1/x402/base-gasapi.delx.ai$0.001basegone18payaiLook up Base gas price, base fee, and priority fee for $0.001 USDC. Call when you need a l
POST /api/v1/x402/obj-sizeapi.delx.ai$0.001baseunprobed18payaiCount object keys. Call when you size agent payloads before paying. Returns size integer f
POST /api/v1/x402/obj-hasapi.delx.ai$0.001baseunprobed18payaiCheck whether an object has a key. Call when you preflight required fields before paid cal
POST /api/v1/x402/obj-pick-existsapi.delx.ai$0.001baseunprobed18payaiPick only keys that exist on an object. Call when you whitelist agent fields without inven
POST /api/v1/x402/ob-depth-notionalapi.delx.ai$0.001baseunprobed18payaiSum price*size depth notional for a side ladder. Call when risk needs notional available w
POST /api/v1/x402/obj-emptyapi.delx.ai$0.001baseunprobed18payaiCheck whether an object is empty. Call when you gate agent workflows on empty JSON bodies.
POST /api/v1/x402/ob-imbalanceapi.delx.ai$0.001baseunprobed18payaiBook imbalance (bid_size-ask_size)/(bid_size+ask_size). Call when sizing or signal needs L
POST /api/v1/x402/oauth-scope-auditapi.delx.ai$0.003baseunprobed18payaiCompare requested OAuth scopes with the minimum required scopes. Use it as a bounded prefl
POST /api/v1/x402/numeric-outlier-scanapi.delx.ai$0.003baseunprobed18payaiIdentify statistical outlier indexes in bounded numeric samples. Use it as a bounded prefl
POST /api/v1/x402/null-distributionapi.delx.ai$0.003baseunprobed18payaiMeasure null and missing-field distribution across JSON records. Use it as a bounded prefl
POST /api/v1/x402/number-baseapi.delx.ai$0.001baseunprobed18payaiConvert numbers between bases 2-36 for $0.001 USDC. Call when you need this bounded result
POST /api/v1/x402/next-weekdayapi.delx.ai$0.001baseunprobed18payaiNext weekday occurrence. Call when scheduling the next Monday standup or Friday ship windo
POST /api/v1/x402/normalize-whitespaceapi.delx.ai$0.001baseunprobed18payaiNormalize whitespace in text for $0.001 USDC. Call when you need this bounded result witho
POST /api/v1/x402/notionalapi.delx.ai$0.001baseunprobed18payaiNotional value = mark price × size for sizing and risk. Call when risk engines that need e
POST /api/v1/x402/nonce-hexapi.delx.ai$0.001baseunprobed18payaiGenerate a random hex nonce. Call when you need request nonces for agent idempotency keys.
POST /api/v1/x402/nanoidapi.delx.ai$0.001baseunprobed18payaiNanoID-style public IDs. Generate short URL-safe IDs for jobs, drafts, or idempotency keys
POST /api/v1/x402/mx-host-parseapi.delx.ai$0.001baseunprobed18payaiParse MX preference and host from an MX record string. Call when normalizing DNS MX answer
POST /api/v1/x402/mime-lookupapi.delx.ai$0.001baseunprobed18payaiLook up a common MIME type from extension/filename for $0.001 USDC. Call when you need thi
POST /api/v1/x402/month-nameapi.delx.ai$0.001baseunprobed18payaiMonth name from ISO date. Call when you label agent reports by month. Returns month and ok
POST /api/v1/x402/min-napi.delx.ai$0.001baseunprobed18payaiMinimum of a numeric list. Call when you find floors across agent-held samples. Returns mi
POST /api/v1/x402/ms-to-hmsapi.delx.ai$0.001baseunprobed18payaiConvert milliseconds to HH:MM:SS. Call when you format agent durations for humans. Returns
POST /api/v1/x402/mid-priceapi.delx.ai$0.001baseunprobed18payaiMid price = (bid + ask) / 2 for spread-aware marks. Call when normalizing BBO into a singl
POST /api/v1/x402/mev-sandwich-upperapi.delx.ai$0.001baseunprobed18payaiUpper-bound CPMM price impact loss for size vs reserves. Call when pre-trade MEV/slippage
POST /api/v1/x402/method-idempotency-classifyapi.delx.ai$0.001baseunprobed18payaiMethod Idempotency Classify: Method Idempotency Classify classifies an HTTP method as safe
POST /api/v1/x402/merge-shallowapi.delx.ai$0.001baseunprobed18payaiShallow-merge two objects (b wins). Call when you overlay agent defaults with overrides. R
POST /api/v1/x402/md5-hexapi.delx.ai$0.001baseunprobed18payaiMD5 hex digest of text. Call when you match legacy content hashes (not for security). Retu
POST /api/v1/x402/meanapi.delx.ai$0.001baseunprobed18payaiArithmetic mean of numbers. Call when summarizing metrics, scores, or sensor lists mid-pip
POST /api/v1/x402/medianapi.delx.ai$0.001baseunprobed18payaiMedian of numbers. Use for robust central tendency when outliers pollute averages. Returns
POST /api/v1/x402/mb-to-bytesapi.delx.ai$0.001baseunprobed18payaiConvert mebibytes to bytes. Call when you expand MiB limits into exact byte ceilings. Retu
POST /api/v1/x402/max-napi.delx.ai$0.001baseunprobed18payaiMaximum of a numeric list. Call when you find ceilings across agent-held samples. Returns
POST /api/v1/x402/mask-stringapi.delx.ai$0.001baseunprobed18payaiMask sensitive middle characters. Use before logging secrets, account numbers, or tokens t
POST /api/v1/x402/mask-middleapi.delx.ai$0.001baseunprobed18payaiMask the middle of a string keeping ends. Call when you redact secrets in logs while keepi
POST /api/v1/x402/markdown-to-textapi.delx.ai$0.001baseunprobed18payaiStrip markdown to plain text for $0.001 USDC. Call when you need this bounded result witho
POST /api/v1/x402/markdown-heading-indexapi.delx.ai$0.003baseunprobed18payaiIndex markdown ATX headings from caller-supplied text only — call when indexing ATX headin
POST /api/v1/x402/maker-taker-feeapi.delx.ai$0.001baseunprobed18payaiSplit fee drag into maker and taker components for a notional. Call when comparing venue f
POST /api/v1/x402/margin-requiredapi.delx.ai$0.001baseunprobed18payaiMargin required for a notional at a given leverage. Call when pre-trade margin checks with
POST /api/v1/x402/map-rangeapi.delx.ai$0.001baseunprobed18payaiMap a value from one range into another. Call when you rescale agent metrics between UI an
POST /api/v1/x402/ltv-cacapi.delx.ai$0.003baseunprobed18payaiCalculate LTV-to-CAC ratio with a bounded health heuristic. Use it as a bounded preflight
POST /api/v1/x402/loyalty-reward-quoteapi.delx.ai$0.001baseunprobed18payaiCalculate loyalty points, reward value, effective rebate, and a ledger-ready idempotent cr
POST /api/v1/x402/luhn-checkapi.delx.ai$0.001baseunprobed18payaiLuhn checksum validation for digit strings for $0.001 USDC. Call when you need this bounde
POST /api/v1/x402/luhn-validapi.delx.ai$0.001baseunprobed18payaiLuhn check for digit strings (cards/IDs). Call when you reject obviously invalid card-shap
POST /api/v1/x402/log-lossapi.delx.ai$0.001baseunprobed18payaiLog loss (cross-entropy) for a probability vs binary outcome. Call when training-style for
POST /api/v1/x402/log-event-normalizeapi.delx.ai$0.002baseunprobed18payaiNormalize JSON or common text logs into one stable event envelope. Use it before an autono
POST /api/v1/x402/list-lenapi.delx.ai$0.001baseunprobed18payaiReturn length of a JSON array or separator-split string list — first-party local utility f
POST /api/v1/x402/location-header-resolveapi.delx.ai$0.001baseunprobed18payaiLocation Header Resolve: Location Header Resolve resolves a relative Location value agains
POST /api/v1/x402/list-chunkapi.delx.ai$0.001baseunprobed18payaiChunk a JSON array. Use to batch tool calls, page results, or stay under payload limits. R
POST /api/v1/x402/list-len-safeapi.delx.ai$0.001baseunprobed18payaiSafe length of a list/JSON array. Call when you measure agent arrays before batching. Retu
POST /api/v1/x402/liq-cascade-stepsapi.delx.ai$0.001baseunprobed18payaiAdvisory liq price ladder over leverage steps. Call when stressing sequential leverage red
POST /api/v1/x402/liq-price-longapi.delx.ai$0.001baseunprobed18payaiApproximate long liquidation price from entry, leverage, and maintenance. Call when risk b
POST /api/v1/x402/links-extractapi.delx.ai$0.01baseunprobed18payaiMap internal and external links on a page for crawling, routing, and site inspection for $
POST /api/v1/x402/line-countapi.delx.ai$0.001baseunprobed18payaiCount lines in caller-held text with nonempty breakdown — first-party local utility for ag
POST /api/v1/x402/levenshteinapi.delx.ai$0.001baseunprobed18payaiLevenshtein edit distance and similarity for $0.001 USDC. Call when you need this bounded
POST /api/v1/x402/leverage-notionalapi.delx.ai$0.001baseunprobed18payaiNotional exposure from margin and leverage multiplier. Call when sizing futures/perps from
POST /api/v1/x402/lei-lookupapi.delx.ai$0.002baseunprobed18payaiLook up a 20-char Legal Entity Identifier via GLEIF for $0.002 USDC with status and legal
POST /api/v1/x402/latency-summaryapi.delx.ai$0.002baseunprobed18payaiCalculate p50, p95, p99, mean, min, and max from bounded latency samples. Use it before an
POST /api/v1/x402/lcmapi.delx.ai$0.001baseunprobed18payaiLeast common multiple. Use for cadence alignment, tile sizes, or schedule math in agent wo
POST /api/v1/x402/lerpapi.delx.ai$0.001baseunprobed18payaiLinear interpolation between a and b by t. Call when you blend scores, progress, or animat
POST /api/v1/x402/language-script-detectapi.delx.ai$0.003baseunprobed18payaiDetect dominant Unicode script families in a text sample — call when detecting dominant Un
POST /api/v1/x402/last-modified-compareapi.delx.ai$0.001baseunprobed18payaiLast Modified Compare: Last Modified Compare orders two Last-Modified instants and reports
POST /api/v1/x402/latency-sla-checkapi.delx.ai$0.003baseunprobed18payaiCompare observed latency against an SLA threshold in milliseconds — call when comparing ob
POST /api/v1/x402/ksuidapi.delx.ai$0.001baseunprobed18payaiTime-sortable IDs. Use when you want roughly time-ordered IDs for logs or event streams wi
POST /api/v1/x402/keyword-densityapi.delx.ai$0.003baseunprobed18payaiMeasure keyword density inside caller-supplied text — call when measuring keyword density
POST /api/v1/x402/kelly-fractionapi.delx.ai$0.001baseunprobed18payaiKelly fraction from win probability and net payoff odds b. Call when bankroll sizing for r
POST /api/v1/x402/kelly-binaryapi.delx.ai$0.001baseunprobed18payaiKelly fraction for a binary market given edge and price. Call when sizing prediction-marke
POST /api/v1/x402/kebab-to-camelapi.delx.ai$0.001baseunprobed18payaiConvert kebab-case identifiers to lowerCamelCase. Call when you map URL segments into JS p
POST /api/v1/x402/jwt-inspectapi.delx.ai$0.01baseunprobed18payaiDecode JWT claims quickly for auth debugging, routing, and token inspection for $0.01 USDC
POST /api/v1/x402/kb-to-bytesapi.delx.ai$0.001baseunprobed18payaiConvert kibibytes to bytes. Call when you expand KiB limits into exact byte ceilings. Retu
POST /api/v1/x402/jwt-exp-secondsapi.delx.ai$0.001baseunprobed18payaiRead JWT exp claim seconds remaining without verifying signature — first-party local utili
POST /api/v1/x402/kebab-caseapi.delx.ai$0.001baseunprobed18payaiCreate clean kebab-case slugs from free text or mixed identifiers for $0.001 USDC—ready fo
POST /api/v1/x402/jwt-claims-auditapi.delx.ai$0.003baseunprobed18payaiAudit JWT claim names, expiry, and identifiers at an explicit reference time without retur
POST /api/v1/x402/jsonld-key-listapi.delx.ai$0.003baseunprobed18payaiList top-level keys from JSON-LD or JSON objects the caller already holds — call when list
POST /api/v1/x402/json-validateapi.delx.ai$0.001baseunprobed18payaiJSON validation API for agents: validate, normalize, and pretty-print a bounded JSON paylo
POST /api/v1/x402/jwt-claims-humanizeapi.delx.ai$0.001baseunprobed18payaiDecode JWT payload claims without signature verify. Call when inspecting exp/iat for debug
POST /api/v1/x402/json-url-fields-checkapi.delx.ai$0.001baseunprobed18payaiJSON URL Fields Check: JSON URL Fields Check checks selected fields for absolute HTTP or H
POST /api/v1/x402/json-type-nameapi.delx.ai$0.001baseunprobed18payaiJSON type name for a value. Call when you branch agent logic by runtime JSON type. Returns
POST /api/v1/x402/json-unique-fields-checkapi.delx.ai$0.001baseunprobed18payaiJSON Unique Fields Check: JSON Unique Fields Check finds duplicate composite keys across o
POST /api/v1/x402/json-type-map-checkapi.delx.ai$0.001baseunprobed18payaiJSON Type Map Check: JSON Type Map Check checks top-level fields against caller-declared J
POST /api/v1/x402/json-to-csvapi.delx.ai$0.01baseunprobed18payaiConvert structured JSON rows into CSV for exports, spreadsheets, and handoff for $0.01 USD
POST /api/v1/x402/json-typeapi.delx.ai$0.001baseunprobed18payaiJSON root type and size. Use as a cheap preflight before heavier JSON processing. Returns
POST /api/v1/x402/json-timestamp-fields-checkapi.delx.ai$0.001baseunprobed18payaiJSON Timestamp Fields Check: JSON Timestamp Fields Check checks selected fields as integer
POST /api/v1/x402/json-string-length-checkapi.delx.ai$0.001baseunprobed18payaiJSON String Length Check: JSON String Length Check checks selected string fields against c
POST /api/v1/x402/json-size-budgetapi.delx.ai$0.001baseunprobed18payaiJSON Size Budget: JSON Size Budget measures compact UTF-8 JSON size against a byte budget
POST /api/v1/x402/json-shape-profileapi.delx.ai$0.003baseunprobed18payaiProfile the top-level shape, fields, size, and cardinality of a JSON value. Use it as a bo
POST /api/v1/x402/json-schema-validate-liteapi.delx.ai$0.001baseunprobed18payaiLite validate object required keys and types vs a tiny schema. Call when agent preflight w
POST /api/v1/x402/json-pointer-unescapeapi.delx.ai$0.001baseunprobed18payaiJSON Pointer Unescape: JSON Pointer Unescape unescapes one JSON Pointer reference token fr
POST /api/v1/x402/json-schema-quickcheckapi.delx.ai$0.002baseunprobed18payaiLightweight type/required/property check for agent-held JSON (not full draft validation) —
POST /api/v1/x402/json-required-fields-checkapi.delx.ai$0.001baseunprobed18payaiJSON Required Fields Check: JSON Required Fields Check finds absent or null required top-l
POST /api/v1/x402/json-prettyapi.delx.ai$0.001baseunprobed18payaiPretty-print JSON. Call before showing configs to humans or attaching readable debug dumps
POST /api/v1/x402/json-pointer-escapeapi.delx.ai$0.001baseunprobed18payaiJSON Pointer Escape: JSON Pointer Escape escapes one JSON Pointer reference token from bou

Page 42 of 50: previous next · 18,920 more are only in bazaar.json and the sitemaps