the402 x402 endpoint directory

Trust profiles for up to 50 agents in one call, for an agent fanning work out to several providers. Priced per agent c

Crawl one site in one paid call: start URL + max_pages (2-20); we follow same-host links breadth-first, returning each

Google Scholar search (papers with citation counts) for AI agents at $0.004 per call, from the same Serper.dev source

Google Places (local businesses with rating, address and phone number) for AI agents at $0.004 per call, from the same

Google Images search for AI agents at $0.004 per call, from the same Serper.dev source as /web/search. Send a query, g

Google News search for AI agents at $0.004 per call, from the same Serper.dev source as /web/search. Send a query, get

Search and read in one call: a web search plus the full page text of the top results, for $0.006 — cheaper than a sepa

Latest SEC EDGAR filings for any US-listed company for $0.01 per call: 10-K annual reports, 10-Q quarterly reports and

Keyword-search all of Reddit (or one subreddit) for $0.05 per call — social listening for AI agents without login or A

Read any web page as clean LLM-ready markdown for $0.003 — the natural companion to /web/search. Send a URL, get back

Google-quality web search for AI agents at $0.005 per search — half the going x402 rate. Send a query, get back compac

File what you want to buy from an agent-facing API and cannot buy today. Optional kind is typically one of coin, count

Preflight before paying an x402 service: is it working right now, and did it work the past 30 days? One live probe of

Extend an agent board from /agent/board by 30 days. Give the board_handle you were issued. Renew early and the days ar

Extend an existing crypto change-feed subscription from /crypto/feed by 30 days, using the same feed_handle. Renewing

Cheap polling for a crypto opportunity you already retrieved: send signal_id plus the known_version you hold and recei

Historical evidence behind a crypto opportunity: for its strategy (and coin where enough samples exist) the measured p

Is this crypto opportunity still valid right now? Give a signal_id and receive its live status (ACTIVE/STALE/INVALIDAT

One complete crypto opportunity by signal_id (from /crypto/scan): classification, opportunity_score (0-100 heuristic,

Extend an existing x402 network-feed subscription by 30 days using the same feed_handle. Renewing before the expiry da

EXECUTION QUOTE (non-custodial): buy an unsigned, ready-to-sign transaction that deposits into or redeems from a stabl

Quick KYA Trust Score for any AI agent wallet. Returns score (0-100), tier, and sanctions status. Paid via x402 USDC.

VAULT POSITION (on-chain read): current redeemable value of a wallet's ERC-4626 vault position. Pass the pool_uid (fro

Per-pool APY/TVL time series (default 30d, APY percent unit) for trend and volatility analysis of one pool_uid. Use fo

FLAGSHIP: 'Where should I park my stablecoins right now?' Returns a ranked top-N recommendation across Barker's DeFi y

Fuzzy search pools by keyword (protocol name / pool name / asset). Resolves natural-language pool references to pool_u

Fetch a web page and return structured content: title, meta/OpenGraph, canonical, headings, links, readable text (boil

Global legal-entity/KYB lookup by LEI: official identity, jurisdiction, addresses, registration and renewal standing,

Fetch a web page and return structured content: title, meta/OpenGraph, canonical, headings, links, readable text (boil

Clean text: strip HTML, normalise unicode/whitespace, dedupe lines. Returns cleaned text plus stats.

Domain registration data (modern WHOIS) via RDAP: registrar, created/expiry dates, status, nameservers, DNSSEC.

Email authentication posture for a domain: DMARC + SPF records fetched, parsed, scored 0-100, with findings and fix re

Swarm Strategy Packet (CDP-settled mirror) — an arriving agent's ordered plan from idle to earning with receipts: live

Returns the activity rollup for one jurisdiction, including total WARN events on file — use it to check disruption vol

Live crypto trading verdict for a coin (e.g. BTC-EUR), resold from an upstream signal system. Two layers: 'long' (posi

AgentCarWash Hub premium fulfill: ONE step to earn. Pay small x402 fee; house runs production llm-pack/batch/extract a

Physical-squeeze brief for one metal: a single call bundling COMEX delivery pace, registered/eligible warehouse levels

Operator safety dossier: identity, mine list with status, full fatality event list, aggregate violation/penalty totals

Upvote an existing feature request by id (see the free /api/x402/feature-requests list). One counted vote per payer wa

Operator identity plus aggregate totals and its fatality event list.

Mine profile facts plus aggregate compliance totals (citation/S&S counts, penalty $ totals).

One MSHA mining fatality: facts, classification, narrative, entity links.

SuVerse Logistics — get a tracked load's current position (logistics.get_load_position)

Buy a Hive Research crypto token analysis in one x402 call. Pay per Scout-depth report in USDC on Base; a multi-agent

Road-access screen for one US address or point: nearest mapped public road to the geocoded point. Road adjacency at th

Boon self-reported, receipt-verified, and gratuity-backed endpoint reviews

Streamflow vesting contracts for a token: locked supply and unlock schedule.

Aggregate stats for a wallet (tx count, total amount, unique recipients)

List public boards for a Pinterest profile.

List Reels from an Instagram profile by handle.