the402 x402 endpoint directory

Paid ($0.01 USDC via x402). One Polymarket feed item: quality-gated mover (vol>=$10k & depth>=$2.5k, +order-book micro

Sitemap lookup: locates a site's sitemap from robots.txt or same-origin /sitemap.xml, fetches it server-side and retur

Redirect audit: follows one public http/https URL server-side and returns the ordered redirect chain, hop count, final

URL digest receipt: server-side fetch of one public http/https URL, returning a time-stamped receipt with the HTTP sta

Machine-readable crypto market intelligence: the currently published long opportunities from an upstream advice system

Daily state-of-the-network report on the x402 ecosystem, built exclusively from our own probes (~2 per host per day):

Extract embedded text from a public PDF URL or multipart upload for research and retrieval pipelines. Returns text, pa

Aggregated company insider Form 4 activity for one selected tracked ticker, grouped by reporting owner with buy/sell c

Fetch and extract the readable content of a single URL. Returns the page title, publish date when known, the most rele

Single African FX pair vs USD (official rate, timestamp, source)

Single African FX pair vs USD (official rate, timestamp, source)

EPA National Emissions Inventory facility and pollutant rows near an address. Perfect for: environmental diligence, fa

EPA UCMR 5 PFAS results for an address or explicit PWSIDs. Perfect for: 'PFAS results for this address', 'was this uti

Census LODES workplace jobs and broad industry sectors within a radius. Perfect for: commercial site selection, tenant

Diagnose why an x402 seller is invisible on Coinbase Bazaar. POST your 402 PaymentRequired JSON. Free preview: pass/fa

Generate 1-4 AI images from a text prompt using flux-schnell. $0.01 per image (price = $0.01 × num_outputs). Returns a

AI signals API for agents. Covers model releases, AI labs, robotics, benchmark updates, GPU supply, and compute capaci

Use before paying an unfamiliar x402 endpoint. Checks that the target is reachable, actually speaks x402, and what its

PII pre-flight for agent pipelines: deterministic de-identification of free text BEFORE it reaches a third-party LLM o

Measured track record of the strategies behind /crypto/verdict, resold from the upstream signal system. Give a window

Convert an amount between two currency codes using current reference exchange-rate data.

Deterministic on-page SEO checks for supplied HTML; does not claim page authority

Open-web domain authority from Common Crawl graph metrics

Biomedical research publication trends from PubMed — year-by-year counts, growth analytics, and CAGR for any medical,

Single-year biomedical publication count from PubMed for any medical, clinical, pharmaceutical, or scientific search q

Chinese summary API for public URL or raw text. Returns summary + key_points + 3 actions JSON. $0.02 USDC per call. Li

Chinese crypto market brief as structured JSON for agents. Input symbol (+ optional context). Output bias/thesis/bulle

Pay $0.01 USDC to create a leaderboard or add, update, or delete one entry. Use a secret leaderboard_key UUID to conti

Pay $0.01 USDC to ask Omniac, the Omniacs DAO mascot, any question about crypto, data science, or tech. Responses are

Pay $0.01 USDC to store up to 100 KB of text or code. Returns a token for free retrieval anytime via GET /paste/{token

Pay $0.01 USDC to create an immutable timestamped statement. The server assigns recorded_at in UTC. Statements are pub

Paid equivalent of /api/aeo/scan — scanner for AI search visibility (AEO, GEO) and agent readiness. Triple score + AI

Complete country intelligence brief: compliance risk + live economic data. For Mauritius (MU) includes all 7 oracle fe

Top DeFi yield opportunities per chain from DefiLlama — TVL-filtered, outlier-cleaned (unsustainable meme-pool APYs re

Plan a route between two Japanese (JP) train stations — timetable-based, with transfers, duration, and fare. Standard

Payment security firewall scan for an INCOMING x402 payment request (402 offer): resource URL risk, credential-demand

Payment security firewall scan for an OUTGOING x402 payment: PII/secret leak detection in payment metadata, nonce repl

Pay $0.01 USDC as a small donation or a simple live x402 integration test. Optional name and message are stored public

x402 spend accounting for any Base wallet — totals + per-service breakdown reconstructed from chain data. $0.01 USDC.

Get a list of tweets that quote a specific tweet. Returns paginated quote tweets with author profiles for a given twee

Return deterministic structural counts: characters, words, sentences, paragraphs, headings, bullets, and averages.

Resolve UK council waste collection dates from house number/name, postcode, and authority using safe address-to-UPRN m

Resolve a UK postcode to current DEFRA UK-AIR pollutant readings from nearest monitoring stations.

M2M Trust deterministic analysis tool: Lean Six Sigma SPC audit for a current value against control limits and recent

Token risk / honeypot check for agents: is_honeypot, sell/buy taxes, blacklist, owner powers, and a clear avoid|cautio

Source-bounded fact-check. Verify a claim against provided source text. Returns verdict: supported, contradicted, or u

Notarize any public web page or API response: fetches the URL server-side, archives the exact bytes, and returns a tam

South African SA ID number validation: Structural validation of a South African identity number with safe decode: Luhn

Structured search over evidence events with full provenance (source URL, sha256 snapshot hash, publish/detect timestam

Before your agent writes a seasonal report, audits an ESG claim or reconciles a weather-linked contract: period climat