agent402.tools

• https://agent402.tools/api/skill/json-pipeline

  Validate, pretty-print, and convert JSON to CSV in one pass - the complete JSON processing workflow. JSON pipeline skill pack: one x402 payment runs 3 underlying tools (json-validate, json-format, json-to-csv); partial-…

  SolanaDeveloper tools

  $0.004/ request

  2026-10-27

• https://agent402.tools/api/skill/locale-brief

  "Can I reach this counterparty this week?" - country facts, this year's public holidays, working days remaining this week, and what time it is there right now, in one call. Locale brief skill pack: one x402 payment runs…

  SolanaOther

  $0.004/ request

  2026-10-27

• https://agent402.tools/api/skill/openapi-audit

  Lint an OpenAPI spec and validate a sample payload against it - catch schema errors in one pass. OpenAPI spec audit skill pack: one x402 payment runs 3 underlying tools (openapi-lint, openapi-validate-payload, openapi-s…

  SolanaDeveloper tools

  $0.004/ request

  2026-10-27

• https://agent402.tools/api/skill/schema-guard

  Contract-test a JSON payload in one call: validate it against your schema, infer the schema the payload actually implies, diff the two to expose drift, and return a normalized pretty-print. Schema guard skill pack: one …

  SolanaDeveloper tools

  $0.004/ request

  2026-10-27

• https://agent402.tools/api/skill/text-analyze

  Full text analysis - word/sentence stats, keyword extraction, and token count in one pass. Text analysis skill pack: one x402 payment runs 3 underlying tools (text-stats, keywords, token-count); partial-success per step.

  SolanaDeveloper tools

  $0.004/ request

  2026-10-27

• https://agent402.tools/api/skill/url-inspector

  Quick URL health and metadata check - parse the URL structure, verify reachability, and pull page metadata in one pass. URL inspector skill pack: one x402 payment runs 3 underlying tools (url-parse, http-check, meta); p…

  SolanaWeb data

  $0.004/ request

  2026-10-27

• https://agent402.tools/api/sql-guard

  Review a SQL statement before running it against production: a pass / warn / block verdict naming concrete risks (unbounded UPDATE or DELETE, tautological WHERE, DROP, TRUNCATE, statement stacking, privilege changes, ca…

  SolanaDeveloper tools

  $0.004/ request

  2026-10-27

• https://agent402.tools/api/token-price-history

  Historical USD price series for a token, by ticker symbol (ETH, BTC, SOL, ...) or by ERC-20 contract + network, at 5-minute (up to 2 days), hourly (up to 30 days) or daily (up to 365 days) resolution. Returns the points…

  SolanaMarket data

  $0.004/ request

  2026-10-27

• https://agent402.tools/api/vehicle-recalls

  NHTSA safety recalls for a vehicle by make/model/year: campaign number, affected component, summary, consequence, and remedy. Live gov data, no key.

  SolanaOther

  $0.004/ request

  2026-11-03

• https://agent402.tools/api/vin-decode

  Decode a vehicle VIN via the US NHTSA vPIC database: make, model, year, trim, body class, engine, fuel type, plant and vehicle type. Accepts full or partial VINs. Use it when an agent holds a VIN and needs the vehicle's…

  SolanaOther

  $0.004/ request

  2026-11-06

• https://agent402.tools/api/x402-verify

  Confirm a USDC payment actually settled: given a tx hash (and network), returns whether it succeeded and the USDC transfers it contains (from, to, amount). Optionally check it paid a specific address at least a minimum …

  SolanaOnchain data

  $0.004/ request

  2026-10-27

• https://agent402.tools/api/a2a-card-fetch

  Discover and fetch a site's A2A (Agent2Agent protocol) Agent Card - tries /.well-known/agent-card.json then /.well-known/agent.json (or fetches a direct .json URL as-is) - and validate it against the spec v0.3 structura…

  SolanaAgents

  $0.005/ request

  2026-10-27

• https://agent402.tools/api/b20-memos

  Payment memos attached to B20 transfers: pairs each Memo(address,bytes32) log with its Transfer at the previous log index (same tx, same token). Give a tx hash for one transaction, or scan a block window. Returns memoHe…

  SolanaOnchain data

  $0.005/ request

  2026-10-27

• https://agent402.tools/api/b20-new-tokens

  Recently deployed B20 tokens on Base: scans the factory's B20Created logs over a block window, locates each new token by its 0xB200 address prefix, and enriches it with live name/symbol/decimals eth_calls.

  SolanaDeveloper tools

  $0.005/ request

  2026-10-27

• https://agent402.tools/api/b20-token-info

  ERC-20 metadata plus B20 signals for any Base address: name, symbol, decimals, total supply, best-effort paused/cap, bytecode size, and whether the address carries the factory-issued 0xB200 prefix. Works on plain ERC-20…

  SolanaOnchain data

  $0.005/ request

  2026-10-27

• https://agent402.tools/api/b20-verify

  Boolean verdict with reasons: is this address a real factory-issued B20 on Base? Checks the 0xB200 address prefix, ERC-20 readability, and whether the B20 feature set is activated on the registry.

  SolanaOther

  $0.005/ request

  2026-10-27

• https://agent402.tools/api/barcode-lookup

  Look up a product by its UPC/EAN barcode number via Open Food Facts (open data): name, brand, category, quantity, and nutrition grade. Pairs with /api/barcode-decode (image → number → product).

  SolanaMedia

  $0.005/ request

  2026-10-27

• https://agent402.tools/api/bestsellers

  What agents actually pay for across a 500+ tool x402 catalog: the tools ranked by settled calls, distinct buyers and dollars over a window you choose, read from the seller's own sales ledger rather than the chain.

  SolanaOther

  $0.005/ request

  2026-11-06

• https://agent402.tools/api/block-receipts

  Every transaction receipt in one block, fetched as a single upstream read and summarized: tx count, succeeded vs failed, total gas used, total fees, log count, contract creations, tx-type mix - plus compact per-transact…

  SolanaOnchain data

  $0.005/ request

  2026-10-27

• https://agent402.tools/api/cert-transparency

  Search public Certificate Transparency logs for every cert issued to a domain. Two independent public CT search services are queried, the second only if the first is slow or fails, and `source` names the one that answer…

  SolanaIdentity

  $0.005/ request

  2026-11-02

• https://agent402.tools/api/coin-categories

  Coin categories (Layer 1, Meme, AI, DeFi, Stablecoins, RWA, ...) ranked by market cap, with 24h market cap change %, 24h volume and the top-3 coins per category. Order by market_cap_desc (default), market_cap_asc, marke…

  SolanaMarket data

  $0.005/ request

  2026-11-04

• https://agent402.tools/api/coin-history

  Price, market cap and 24h volume of a coin on ONE past date (00:00 UTC snapshot), in every currency at once plus your chosen one called out. Pass `date` (YYYY-MM-DD) or `daysAgo` (1-365). The point-in-time sibling of cr…

  SolanaMarket data

  $0.005/ request

  2026-10-27

• https://agent402.tools/api/coin-price-by-contract

  Live price, market cap, 24h volume and 24h change for ERC-20 / SPL / other chain tokens looked up by CONTRACT ADDRESS on a named platform (ethereum, base, polygon-pos, arbitrum-one, optimistic-ethereum, binance-smart-ch…

  SolanaMarket data

  $0.005/ request

  2026-10-27

• https://agent402.tools/api/coin-search

  Resolve a name or ticker to coin ids: full-text search returning matching coins (id, symbol, name, market cap rank, ordered by rank), exchanges (id, name, market type) and categories (id, name), plus NFT collections. `l…

  SolanaMarket data

  $0.005/ request

  2026-11-06

• https://agent402.tools/api/coins-list

  The complete list of tracked coins (~18k) as {id, symbol, name}, paged: `page` + `perPage` (1-500, default 250). `includePlatforms: true` adds each coin's contract address per platform; `platform` (e.g. base, solana, et…

  SolanaOther

  $0.005/ request

  2026-10-27

• https://agent402.tools/api/contract-source

  Fetch the verified Solidity source files and compiler metadata for a contract address from an open verified-contract repository. Covers 8 EVM mainnets (ethereum, base, polygon, arbitrum, optimism, bsc, gnosis, celo). Co…

  SolanaOnchain data

  $0.005/ request

  2026-10-27

• https://agent402.tools/api/cpi-yoy

  Latest US Consumer Price Index year-over-year inflation rate (headline CPI-U) plus the trailing 12 months of YoY readings - the headline inflation number. A month with no published value is listed in missingDates rather…

  SolanaMarket data

  $0.005/ request

  2026-11-04

• https://agent402.tools/api/cve-lookup

  Look up a CVE by id, or search CVEs by keyword or product: the NVD description, CVSS severity and vector (v4.0, v3.1, v2), CWE weaknesses, affected products and versions (CPE), and reference links, joined with the EPSS …

  SolanaSecurity

  $0.005/ request

  2026-11-06

• https://agent402.tools/api/demand-radar

  What agents keep asking for that nobody serves yet: aggregated, qualified demand clusters from a live agent-demand board, with caller counts and how long each need has persisted. Use it when a seller or an agent is choo…

  SolanaOther

  $0.005/ request

  2026-11-06

• https://agent402.tools/api/edgar-13f-dataset-head

  A bounded head of ONE table in a Form 13F data set, read with two byte-range requests against sec.gov (the archive's central directory plus the first 256 KB of the chosen table) so the multi-hundred-MB zip is never down…

  SolanaMarket data

  $0.005/ request

  2026-10-27

• https://agent402.tools/api/edgar-13f-holdings

  Top holdings from an institutional investment manager's most recent 13F-HR filing (managers >$100M AUM file quarterly). Parses the standard SEC informationtable.xml attached to the filing - returns issuer, CUSIP, shares…

  SolanaMarket data

  $0.005/ request

  2026-10-27

• https://agent402.tools/api/edgar-company-concept

  Full reported history of a single XBRL concept for one company (e.g. quarterly Revenues for Apple). Each datapoint cites the accession number and filing that reported it, so you can trace the number back to a 10-K/10-Q.…

  SolanaMarket data

  $0.005/ request

  2026-10-27

• https://agent402.tools/api/edgar-company-facts

  All XBRL concepts reported by a company. Default returns a compact summary per tag (label, unit, latest value, latest end date) - typically a few hundred KB. Pass tags=Revenues,Assets,NetIncomeLoss to get full time-seri…

  SolanaMarket data

  $0.005/ request

  2026-10-27

• https://agent402.tools/api/edgar-filings

  Recent SEC filings for a company by ticker or CIK, newest first. Optionally filter by form type (10-K, 10-Q, 8-K, 4, S-1, etc.). Each row links to the primary document on SEC.gov. Source: data.sec.gov/submissions (publi…

  SolanaMarket data

  $0.005/ request

  2026-10-27

• https://agent402.tools/api/edgar-insider-trades

  Recent Form 4 insider transactions filed against a company (officer, director, or 10% holder trades). Backed by EDGAR's full-text search (efts.sec.gov) filtered by subject-company CIK - Form 4 is owned by each insider's…

  SolanaMarket data

  $0.005/ request

  2026-10-27

• https://agent402.tools/api/edgar-recent-ipos

  Recently-filed S-1 (initial registration) or 424B4 (final prospectus - actual priced IPO) filings across all US issuers. Default returns S-1 filings (companies preparing to IPO) in the last 30 days; pass form=424B4 for …

  SolanaMarket data

  $0.005/ request

  2026-10-27

• https://agent402.tools/api/edgar-search

  General-purpose full-text search across every SEC filing since 2001. Find any phrase in any filing - material-weakness language in 10-Ks, going-concern in 10-Qs, "Russia" exposure across all forms. Supports form-type, C…

  SolanaMarket data

  $0.005/ request

  2026-10-27

• https://agent402.tools/api/edgar-xbrl-frame

  All US public companies that reported a given XBRL tag for a given period, in one call. Killer endpoint for cross-sectional screens: 'every issuer's Revenues for CY2023Q1' or 'every issuer's Assets as of CY2023Q4I (inst…

  SolanaMarket data

  $0.005/ request

  2026-10-27

• https://agent402.tools/api/exchange-rates

  BTC-denominated exchange rates for ~60 units: crypto (ETH, LTC, BNB, SOL, ...), fiat (USD, EUR, JPY, ...) and commodities (gold, silver ounces), each as units per 1 BTC with name and type. Optional `currencies` filter (…

  SolanaMarket data

  $0.005/ request

  2026-11-04

• https://agent402.tools/api/exchanges

  Crypto exchanges ranked by trust score: id, name, country, year established, trust score (1-10) and rank, 24h volume in BTC (and normalized), centralized flag and URL; limit 1-100 (default 25). Pass `exchange` (an id su…

  SolanaSecurity

  $0.005/ request

  2026-11-07

• https://agent402.tools/api/fc-cast-metrics

  Cast volume over time for a search query: how many Farcaster casts matched per bucket across the last 1d, 7d, 30d, 90d or 180d (hourly or daily buckets), optionally limited to one author or channel, plus the total. Cach…

  SolanaSearch

  $0.005/ request

  2026-10-27

• https://agent402.tools/api/fc-cast-replies

  The reply thread under a Farcaster cast (by hash or URL): the root cast plus replies flattened with their depth (1-5 levels) and parent hash, in chronological, newest-first or algorithmic order. Compact cast shape. Use …

  SolanaDeveloper tools

  $0.005/ request

  2026-10-27

• https://agent402.tools/api/fc-cast-search

  Search Farcaster casts by keyword (literal, semantic or hybrid match), newest first, optionally filtered to one author or channel. Returns compact casts: hash, author (fid, username, follower count), text, timestamp, ch…

  SolanaSearch

  $0.005/ request

  2026-10-27

• https://agent402.tools/api/fed-funds

  Current effective federal funds rate (current, as of date, in percent) plus a trailing N-day history of {date, value}. Source: FRED DFF (Board of Governors), a daily series that includes weekends.

  SolanaOther

  $0.005/ request

  2026-11-03

• https://agent402.tools/api/federal-awards

  Search US federal contract awards via USAspending.gov by keyword: recipient, award amount, awarding agency, and description - largest awards first. Live gov data, no key.

  SolanaOther

  $0.005/ request

  2026-10-27

• https://agent402.tools/api/fred-release-calendar

  Upcoming and very-recent US economic data release dates - CPI, employment, GDP, FOMC minutes, Treasury auctions, etc. Useful for scheduling agents around event-driven moves. The window starts at today's date in US Centr…

  SolanaOther

  $0.005/ request

  2026-11-04

• https://agent402.tools/api/fred-release-observations

  Bulk-fetch observations for every series in a FRED release in one call. Use it to grab an entire economic report (jobs report, CPI report, GDP release) without enumerating constituent series IDs first. Returns paginated…

  SolanaOther

  $0.005/ request

  2026-10-28

• https://agent402.tools/api/fred-search

  Full-text search across FRED's ~800,000 economic time series. Returns series IDs (use with /api/fred-series), titles, frequency, units, and a popularity score.

  SolanaSearch

  $0.005/ request

  2026-10-27

• https://agent402.tools/api/fred-series

  Fetch any of FRED's ~800,000 economic time series by series ID - GDP (GDPC1), CPI (CPIAUCSL), unemployment (UNRATE), fed funds (DFF), and so on. Supports date windowing and the standard FRED units transformations (lin, …

  SolanaOther

  $0.005/ request

  2026-11-03

• https://agent402.tools/api/fred-series-info

  Metadata for a FRED series: title, frequency, units, seasonal adjustment, observation date range, and popularity. Use before /api/fred-series to confirm the series fits your needs.

  SolanaOther

  $0.005/ request

  2026-10-27

By chain

One seller wallet, each chain read on its own. We never send a payment, so we never observe what a paid call returns. Unknown means we hold no reading, not that anything failed.

The price each endpoint registered in the x402 catalogue. A listed price is a registration, not an observed charge.