the402 x402 endpoint directory

The full daily history of the US stock Fear & Greed index from 2016 to today, each point a date and 0–100 score. Pass

The current US stock-market Fear & Greed index (0–100, CNN-style) with its sentiment rating and all five weighted comp

Current and resolved US drug shortages from openFDA, newest update first. Optional `?company=Pfizer` narrows to one ma

Official US Treasury reporting rates of exchange — government FX reference rates for ~170 currencies, in units of fore

Every energy benchmark in one call: WTI and Brent crude oil spot, Henry Hub natural gas spot, and US regular retail ga

The weekly CFTC Commitments of Traders positioning across major futures markets in one call: for each market the open

Upcoming US economic data releases — WHEN the market-moving prints land, not just their latest values. Returns curated

Global news attention and tone for any company, ticker, or topic, from the GDELT Project's worldwide news monitoring.

Snapshot of every series, all countries

Snapshot of every series, all countries

Score a URL's content quality (V/C/L) with AI

Jupiter's JLP liquidity pool, decoded from the Perpetuals program's on-chain accounts (not the Jupiter API): AUM (USD)

The weekly CFTC Commitments of Traders positioning across major futures markets in one call: for each market the open

Curated stock-market news with ticker tags, source, publisher, image, and timestamps. Pass `?ticker=AAPL` to filter. F

Current and resolved US drug shortages from openFDA, newest update first. Optional `?company=Pfizer` narrows to one ma

Federal contract and grant awards to a US company, from USAspending.gov. Pass `?recipient=Lockheed Martin` (required,

Upcoming US economic data releases — WHEN the market-moving prints land, not just their latest values. Returns curated

The latest large NEW federal awards across all recipients, from USAspending.gov — browse what the government is fundin

US PCE (Personal Consumption Expenditures) price inflation — the Fed's preferred inflation gauge — with the latest hea

Use to discover the point-in-time archive: immutable daily snapshots of ephemeral market state (Hyperliquid perps/spot

Every energy benchmark in one call: WTI and Brent crude oil spot, Henry Hub natural gas spot, and US regular retail ga

Live valuations for private, pre-IPO companies — Anthropic, OpenAI, SpaceX, Anduril, Neuralink, Kalshi, Polymarket — i

Official US Treasury reporting rates of exchange — government FX reference rates for ~170 currencies, in units of fore

Clinical trials run by a company, from ClinicalTrials.gov, newest first. Pass `?sponsor=Vertex Pharmaceuticals` (requi

Retrieve flight-level trip details and booking links for a Seats.aero availability ID.

Upload an image, get back a permanent public URL. multipart/form-data with a required 'file' field (image/jpeg, image/

Convert barcodes to Amazon ASINs. Provide numeric barcode strings, and each barcode maps to an array of ASIN results w

Convert retailer product page URLs to barcodes. Provide full URL strings, and each URL maps to an array of barcodes, e

Convert barcodes to merchant SKUs. Provide numeric barcode strings and the merchant to resolve against, and each barco

Convert merchant SKUs to barcodes. Provide the SKUs and the merchant they belong to, and each SKU maps to its barcode

Fetch the fully rendered HTML of any URL after JavaScript execution.

Cross-exchange spread tick — ONE $0.02 call returns the live executable spread for a pair across Binance, Coinbase, Kr

dYdX v4 chain-state history, deterministic and block-stamped. Answers "what was dYdX open interest and funding index f

Volatility check for a perp market, deterministic. Answers "how volatile is this coin right now", "is the range compre

Know Your Merchant (KYM) trust score: pass a merchant domain and get a deterministic 0-100 trust score with a band (hi

Read any public web page and get a clean LLM summary in ONE call — fetch, boilerplate removal, and Claude summarizatio

Recent per-block aggregation of Bittensor events: neuron_registrations, weight_sets, bond_sets, child_key_sets, stake_

Kaspa mempool transaction count over time. AI agent API for mempool-state regime detection. Informational research dat

Kaspa own-node peer-network breakdown (IPv4/IPv6) + user-agent distribution. AI agent API for network-health monitorin

Kaspa BlockDAG topology snapshot: tips, sink, virtual chain, pruning point, blue scores. For DAG-state monitoring, sid

Curated Bitcoin coinbase scriptSig messages (printable ASCII only). Pool tags, BIP-comment campaigns, political statem

Bulk Bitcoin block extract (max 144 blocks per call = $1.44 cap). Returns array of per-block summaries (height, time,

Bitcoin mempool pressure classification (low/medium/high/extreme) + fee buckets (0-1, 1-2, 2-5, 5-10, 10-20, 20-50, 50

Bitcoin own-node peer-network diversity (IPv4/IPv6/Tor/I2P/CJDNS distribution) + privacy share. AI agent API for priva

Hourly Bitcoin Ordinals inscriptions + OP_RETURN byte volume. Inscriptions detected via witness-envelope magic bytes (

Generates an AGENTS.md for a public GitHub repository — the file coding agents read on task start. Contains build/test

Has US GDP been revised? BEA revises every estimate (advance, second, third); the Chainlink round history records each

Institution research-output benchmark for grant offices, research-strategy agents, and comparison shopping — works cou

Author metrics for research agents and grant/hiring due-diligence — works count, total citations, h-index and i10-inde

Options pricing and greeks calculator, deterministic. Answers "what are the greeks for this option", "what is the impl