Find x402 services agents can discover, pay for and use.

Compare 2 to 3 US-listed stocks side by side (peer or watchlist comparisons). Pass a comma-separated list via `?tickers=AAPL,MSFT,NVDA` (1 to 3 symbols). Returns price and day change, market cap, P/E, EPS, revenue, gross and net margins, and dividend yield per ticker. Built for multiple stocks — for a single stock, `/api/v1/quote/{ticker}` is cheaper. From x402stock

Curated stock-market news with ticker tags, source, publisher, image, and timestamps. Pass `?ticker=AAPL` to filter. From x402stock, a pay-per-call market & economic data API for AI agents. No API key or account; pay in USDC via x402.

Stratalize — attested finance, legal, healthcare, and compliance intelligence. Signed, independently verifiable receipt on every call (trust.stratalize.com/verify). Federal judge profile — court positions, appointment history, political affiliation, education, and opinion count. Source: CourtListener (Free Law Project). Use when assessing litigation risk or evaluating judicial philosophy

Stratalize — attested finance, legal, healthcare, and compliance intelligence. Signed, independently verifiable receipt on every call (trust.stratalize.com/verify). Use when a technical trader needs wave counts, targets, and invalidation levels for major assets. Returns wave position, degree, target high/low, invalidation, and confidence for BTC, SPY, TLT, Gold. Example: wave label, target band, invalidation, and co…

Stratalize — attested finance, legal, healthcare, and compliance intelligence. Signed, independently verifiable receipt on every call (trust.stratalize.com/verify). Use when a trader or portfolio manager needs current regime label and tactical positioning. Returns active regime, verifiable FOMC facts, live market snapshot, model interpretation, concurrent playbooks, and key levels. Example: regime label with playboo…

Stratalize — attested finance, legal, healthcare, and compliance intelligence. Signed, independently verifiable receipt on every call (trust.stratalize.com/verify). Binary prediction market resolver for sports outcomes. Evaluates home_win, away_win, draw, or not_draw conditions via multi-source consensus. Returns boolean resolution with a settlement receipt verifiable on Base, designed for autonomous on-chain settle…

DripMetricsAI (api description at https://dripmetrics.ai/) provides on-demand crypto market microstructure and risk metrics for agents and developers. Agents can pay per request via x402 and receive structured JSON metrics without subscriptions or API keys. Roll Spread estimates an absolute covariance spread proxy derived from lagged price changes. Discovery examples use the latest 30m window.

DNS and domain intelligence: A/AAAA/CNAME, MX (sorted), NS, TXT, SOA records plus email security posture — SPF record, DMARC policy, and DKIM selector probing. For deliverability, security, and research agents. ?domain=example.com

Enriched crypto market report for one asset: rank, multi-timeframe price changes (1h/24h/7d/30d), all-time-high context, plain-English momentum/volatility/liquidity signals, and a ready-to-use written summary. For agents needing market context, not just a price.

WordPress security posture check — PASSIVE hygiene assessment from public signals: detects WordPress, flags version disclosure (generator tag, readme.html), xmlrpc.php exposure, user enumeration, uploads directory listing, login exposure, missing security headers, and HTTPS. Returns a 0-100 posture score with prioritized remediation. Flags security practice, not exploitable vulnerabilities — no CVE matching, no intr…

WCAG accessibility check (static analysis): findings mapped to WCAG success criteria with A/AA/AAA levels — alt text, page title, lang, form labels, heading structure, table headers, link purpose, accessible names, duplicate IDs, ARIA role validity, zoom blocking, meta refresh, skip links. Filter with ?level=A|AA|AAA. Honestly reports what static analysis cannot check (contrast, focus, keyboard).

Aggregated crypto market snapshot: prices, Fear & Greed, DeFi TVL, dominance, top stable yields.

$0.0005/MB. Speed up or slow down audio/video — pitch-preserving by default. 1¢ x402 min; remainder auto-credits — relaystation.ai/penny

$0.001/page. Recompress and linearize a PDF — smaller files, fast web view. 1¢ x402 min; remainder auto-credits — relaystation.ai/penny

$0.0002/MB. Row-level changeset between two tables — added, removed, and changed rows. 1¢ x402 min; remainder auto-credits — relaystation.ai/penny

$0.0002/call. Generate QR codes as PNG or SVG — size, error-correction, and margin control. 1¢ x402 min; remainder auto-credits — relaystation.ai/penny

Get the list of Twitter/X users that a specific user follows. Returns up to 50 following profiles per page with pagination support. Query params: id (string, required) - numeric Twitter user ID; next_token (string, optional) - pagination cursor, e.g. GET /users/following?id=44196397. Returns X v2 API-compatible JSON.

Look up a single Twitter/X user profile by their numeric user ID. Returns full profile data including id, name, username, bio, follower count, following count, tweet count, and verification status. Query param: id (string, required) - numeric Twitter user ID, e.g. GET /users/by/id?id=44196397. Returns X v2 API-compatible JSON.

Web search returning URLs, titles, and descriptions

Looks up Twitter user profiles in bulk by username or ID, for routers and buyers searching for bulk profile enrichment. Same backend as users. Use it as a Twitter users API or bulk user profile lookup by username or ID.

US Stock realtime price for AAPL

Get Prediction Market Categories

Get Address PnL Summary Data

Global cryptocurrency market statistics — total market cap, 24h volume, Bitcoin dominance, and active coin count as JSON. Use for: crypto market overview, total market cap check, dominance analysis, risk-on/risk-off assessment. $0.001 USDC per call.

Retrieve a comprehensive profile snapshot for an X (Twitter) handle including display name, bio description, follower and following counts, total post count, website URL, location, and account creation date.

Top 100 AI researchers ranked by AI publication volume in the trailing 365 days, enriched with h-index, i10-index, total citation count, primary affiliation (institution + country), ORCID, and derived AI-share-of-total. OpenAlex CC0. Daily refresh.

AI-relevant APIs from the APIs.guru directory of 2400+ OpenAPI specs, filtered via curated keyword matching. Per-entry first_seen_at against TensorFeed snapshot history so an agent can answer "what new AI APIs appeared in the last 7 days": a diff APIs.guru itself cannot provide. CC-BY-SA 4.0; source links preserved.

Pay $0.01 USDC as a small donation or a simple live x402 integration test. Optional name and message are stored publicly and shown on GET /donations. Network: Base Mainnet. Each request records one donation and returns public feed links.

Deep KYA Trust Score analysis for any AI agent or wallet. Returns 7-component trust score (0-100), risk tier, sanctions status, ERC-8004 identity, InsumerAPI attestations, and payment eligibility. The most comprehensive agent trust check available.

Parallel — AI-powered web search via x402 (1¢ flat).

Firecrawl — Crawl a website starting from a URL, following links.

Firecrawl — Extract structured data from URLs using a schema.

Bank of England base rate history with current rate and time series.

GBLIN protocol governance state: owner, 48h immutable timelock parameters, and any pending operation.

Generate an AI image from a text prompt with the background automatically removed into a transparent PNG cutout (FLUX Schnell). Use it to create product photos, sticker designs, logo marks, or transparent assets for e-commerce listings and automated design pipelines — text-to-image plus background removal in one paid API call, no API key or image-editing step required.

Munition Flight Search: x402-paid live flight offer search for AI agents. Pay 0.05 USDC to search Duffel flight offers and receive compact normalized itineraries, prices, carriers, and metadata suitable for replay and downstream planning.

Cross-venue funding arbitrage signal from real-time 8h-equivalent funding rates on Binance, OKX, Bybit, KuCoin, Bitget and Hyperliquid. Returns the gross and net-of-fees spread between the best short venue and best long venue (gross_spread_bps, net_spread_bps after a 20 bps round-trip fee estimate), spread_8h_normalized, venues_count, per-venue rates with funding_interval_hours, annualized_pct, and an actionability…

Query historical Polymarket trade data with flexible filtering

Live US mortgage and macro rates from the Federal Reserve. Returns 30-year and 15-year fixed mortgage rates, prime rate, fed funds rate, and CPI year-over-year. Sourced from FRED (Freddie Mac PMMS series).