Every agent-payable API.

Mode RPC (chain 34443): JSON-RPC over HTTPS on NodeFlare's own bare-metal nodes. Pay per request in USDC, no account or API key - built for AI agents. All methods including eth_getLogs, eth_call, trace, and debug (archive) - good for indexing, event queries, and simulation. Simple calls $0.001; heavy calls priced by compute units. One of the first independent x402 RPC providers for this chain.

Normalize Japanese (JP) text to a canonical form: fullwidth↔halfwidth conversion, halfwidth-katakana folding, invisible-character removal, and whitespace cleanup — each transformation toggleable. Returns a per-change log. Use to deduplicate or match text where '東京' and 'ﾄｳｷｮｳ' must compare equal.

Official US Treasury reporting rates of exchange — government FX reference rates for ~170 currencies, in units of foreign currency per 1 USD, for the latest quarter. Use for accounting-grade and exotic-currency conversion the market /api/v1/forex feed lacks. Filter with `?currency=Euro`. Updated quarterly. From the US Treasury (FiscalData). From x402stock

Onchain data router for AI agents. Plain-English → working GraphQL or REST. 15.5K+ subgraphs on 8 chains. Uniswap, Aave, Compound, ENS, Polymarket, Limitless, Predict.fun, ERC-8004 discovery. Identified senders (include `sender` wallet in A2A metadata): 3 free /route /day, then $0.01 USDC via x402 on Base. Anonymous senders pay $0.01 from call 1. /polymarket + /hyperliquid trader-intel paid from call 1 ($0.01-$0.10).

Full OI report — all assets, all exchanges, 5-min delta

Payment security firewall scan for an OUTGOING x402 payment: PII/secret leak detection in payment metadata, nonce replay detection, overpayment detection, prompt-injection-triggered payment analysis (fast + deep tiers), canonical-USDC asset verification, merchant pinning, velocity/spend caps, and counterparty reputation cross-check. Returns allow/flag/block with per-check reasons and an Ed25519-signed verdict. Advisory and non-custodial.

Score a password's strength: character-set size, entropy bits, a 0–4 rating, and an estimated offline crack time. The password is never stored or logged.

US PCE (Personal Consumption Expenditures) price inflation — the Fed's preferred inflation gauge — with the latest headline and core (ex food and energy) index levels, each with year-over-year percent change, plus recent monthly history. No ticker needed. Complements the CPI endpoint with the measure the Fed actually targets. Sourced from the St. Louis Fed (FRED). From x402stock

PDL Person Search - Search across 3B+ person records using Elasticsearch DSL or SQL queries. Returns matching person records with pagination via scroll_token.

Live state of every perpetual-futures market in one call: per coin the mark and oracle price, hourly funding rate with annualized APR, premium, open interest, max leverage, previous-day price, and 24h USD and base volume. Native crypto-derivatives data — funding and open interest are perp-only, absent from any spot feed. Free on-chain DEX data (venue: Hyperliquid), no key. From x402stock

Predicted next-period funding rate for each coin across venues — on-chain plus centralized perp venues (Hyperliquid, Binance, Bybit) — each with the funding interval and next funding time. A cross-exchange funding-arbitrage signal in one call: compare where a coin's funding is richest or cheapest. Free on-chain DEX data, no key. From x402stock, a market & economic data API (x402, USDC).

Paid x402 endpoint for newly created prediction-market data and emerging betting topics.

Text embeddings for semantic search and RAG: one vector per call, 1024 dimensions.

Liveness/latency pre-flight for a URL: is it up, HTTP status and class, response latency in ms, whether it redirects (and where), content-type and server.

Get structured metadata for a public webpage: title, description, canonical URL, Open Graph fields, favicon, and language.

Parse a URL query string into an object, or build one from an object. mode: parse (default) | build.

QuokkaPix official browser-agent batch/scenario unlock. Images stay local in the user's browser.

What stocks and crypto Reddit is talking about most over the last 24h, by mention volume across the busiest Reddit money subreddits (r/wallstreetbets, r/stocks, r/CryptoCurrency, r/Bitcoin, etc.). Each ticker carries mentions, upvotes, and 24h change in rank and mentions; covered subreddits are listed per response. ?filter=stocks|crypto|all (default all), ?page=. From x402stock

Literature review and related-paper discovery. Given a seed paper (arXiv id, DOI, or OpenAlex id) or a topic query, returns semantically similar and recommended scholarly papers to expand a reading list or systematic review, via Semantic Scholar recommendations with an OpenAlex related-works fallback. Keyless.

Format a timestamp as a human relative phrase ("3 hours ago", "in 2 days") versus now or a reference time.

Look up the Uniswap V3 pool address for a token pair + fee tier on Ethereum, Base, Polygon, Arbitrum, or Optimism. Pass either order (tokenA/tokenB) - the factory sorts internally. Returns 0x0…0 if no pool has been deployed for that combination yet.

Pay $1.00 USDC to play Rock Paper Scissors against the server. Win pays 2.0 USDC, tie pays 0.5 USDC, loss pays nothing. Network: Base Mainnet. Each request plays one complete turn-based round against a server-selected move and returns both moves plus the final outcome, making it useful for agent gameplay, competitive game APIs, and simple strategy-game interactions.

SEC EDGAR filing search. Full-text search of SEC filings (10-K, 10-Q, 8-K and more) by company, ticker, CIK, or keyword — company, form type, date, and document link.

Extract strict, JSON-Schema-valid typed JSON from unstructured text or HTML. Failed extraction calls are not settled. Primary x402 V2 API for production agents.

Screen the entire US stock market in one call. Filter every listed ticker by price range, percent change, and minimum volume, then sort by percent move, price, or volume. Tune with ?min_price=, ?max_price=, ?min_change_percent=, ?max_change_percent=, ?min_volume=, ?sort=, ?order=, ?limit=. Built for agents scanning for setups without iterating ticker by ticker. From x402stock

Pay $0.05 USDC to seal up to 100 KB of text until a future date. Content is inaccessible via GET /open/{token} until unlock_at passes. An optional label is visible before unlock via GET /status/{token}. Max unlock date: 10 years from now. Network: Base Mainnet. Each request stores one sealed text capsule and returns a token for later retrieval.

Shovels Tags — list all available permit classification tags (and their descriptions) for use as `permit_tags` filters.

Size-the-room for a Hyperliquid market. POST {coin, n?}. Returns the top N (default 10, max 25) traders on a coin ranked by volume, each with skill_score + classification + liquidation_count. Pre-trade check for MM agents: 'who am I about to be against on this perp, and have they been liquidated before?' Coin format: BTC, @107 (spot), xyz:SILVER.

Snapshot a list of US-listed tickers at once: for each symbol, the company name, market session, current price, day change and percent change, day OHLCV with VWAP, and previous close. Pass a comma-separated list via `?tickers=AAPL,MSFT,NVDA` (up to 250). Built for pricing a watchlist or portfolio in a single request. From x402stock, a market & economic data API (x402, USDC).

Market-wide split calendar across all US tickers (no ticker needed). Each row has the ticker, execution date, direction (`forward`/`reverse`), split_from/split_to, numeric `ratio`, and a human `ratio_text` like `10:1` or `1:8`. Future-dated announced splits sort first. Filter `?type=forward|reverse|all`, `?from=`/`?to=` date window, `?order=`, `?limit=`. From x402stock

Exa Search - Neural search across the web

List Wirecutter review URLs from the public Wirecutter review sitemaps. Defaults to recommendation-like review pages.

Get a client token for direct upload to Vercel Blob

Inspect the TLS certificate of any public host: subject, issuer, validity window, days remaining, SANs, and SHA-256 fingerprint.

Full technical analysis — 18 indicators + AI signal summary

The combined market regime — one read fusing the stock Fear & Greed score and velocity, VIX, insider-buying sentiment, and net liquidity into a named regime (e.g. Mixed Signals) with severity and a suggested stance, plus how the S&P 500 historically performed after similar regimes (forward 5/22-day and 1/3-month returns and win rates). From x402stock, a market & economic data API (x402, USDC).

The effective federal funds rate — the Fed's benchmark policy rate that anchors every other US interest rate — as a monthly average in percent, with the latest value, prior month, month-over-month and year-over-year change, and recent history. No ticker needed. The rate every rate-sensitive analysis starts from. Sourced from the St. Louis Fed (FRED). From x402stock

The total US public debt outstanding to the penny — the headline national-debt figure — split into debt held by the public and intragovernmental holdings, with the latest value, prior business day, day-over-day change, and recent history. No ticker needed. Updates each business day. Sourced from the US Treasury (FiscalData). Pass `?limit=` for more history (default 30, max 250). From x402stock

The US macro backdrop in one call: the federal funds rate, CPI and PCE inflation, the labor market (unemployment, payrolls, wages), real GDP, and the Treasury yield curve. No ticker needed. Replaces six macro calls (fed-funds + inflation + pce + labor-market + gdp + treasury-yields) at a lower combined price. Spans FRED, BLS, Treasury; sections degrade independently. From x402stock

Reference list of security type codes used in ticker reference data (e.g. CS = Common Stock, ETF, PFD, WARRANT) with descriptions. From x402stock, a pay-per-call market & economic data API for AI agents. No API key or account; pay in USDC via x402.

Public holidays for any country and year, plus optional business-day checking. Pass country= (ISO alpha-2) and year=; add date= to learn whether that day is a business day, whether it is a weekend or public holiday, the holiday name, and the next business day. Covers 100+ countries. JSON response. $0.01 USDC per call, pay via x402, no API key.

Current gas price and latest block for Base or Ethereum mainnet, straight from public RPC. Fresh within 15 seconds. JSON response. $0.002 USDC per call, pay via x402, no API key.

The daily US Treasury par yield curve (Constant Maturity Treasury rates) for every maturity from 1 month to 30 years, in percent. Defaults to the latest published day; pass `?limit=` for more recent days (max 250) and `?year=YYYY`. No ticker needed. Use for the risk-free rate, rate-sensitivity context, and yield-curve inversion in macro-aware analysis. From x402stock

Top trending tokens by search volume and social activity

Truncate text to a maximum length, adding an ellipsis (or custom suffix). Optionally break on word boundaries.

Real-time earthquake feed. Recent seismic events from USGS with magnitude, location, depth, and tsunami flag, filterable by magnitude, time, and radius.

Spot quote for swapping through a Uniswap V3 pool at the current tick. amountIn is in human units (not wei). zeroForOne=true sends token0 → token1; false sends token1 → token0. Returns amountOut net of the pool's fee tier. NOTE: this is a single-tick spot quote - slippage from depleting concentrated liquidity is NOT modeled. Use for indicative pricing; for production swaps quote against the Uniswap SDK.

Upcoming and historical US IPOs: issuer name, ticker, announced and listing dates, offer price range and final price, shares offered, total deal size, exchange, and status. Filter by `?ipo_status=pending|new|history|rumor`, `?ticker=`, and `?limit=`. Use to track the new-issue calendar and recently priced deals. From x402stock, a market & economic data API (x402, USDC).

Use to discover the point-in-time archive: immutable daily snapshots of ephemeral market state (Hyperliquid perps/spot, JLP pool, pre-IPO marks, market regime, squeeze scores), captured once per UTC day and never overwritten or backfilled. Lists every feed and entity with date coverage; read days via /archive/{feed} and series via /archive/{feed}/range. From x402stock

Use to see where prediction-market money is flowing: the most recently traded Polymarket outcome tokens with implied probability (last on-chain price), today's VWAP and USD volume, and indexed totals — decoded by our own indexer from CTF Exchange V2 events on the public Polygon ledger, not from any Polymarket API. `?limit=` up to 100. From x402stock, a market & economic data API (x402, USDC).