the402 x402 endpoint directory

Live reliability feed of x402 endpoints on Base: which services are up, return a valid 402 envelope, and how fast — fr

Search Brazil's tax reform annexes by product or service description and get every entry that grants a reduced or zero

Where Brazilian institutional money moved today: daily net flows (subscriptions minus redemptions) by fund class — fix

Monthly Brazilian export volumes and FOB values for the commodities Brazil dominates: soybeans, corn, coffee, sugar, b

Scrape and fetch any public web page and return clean, LLM-ready Markdown plus metadata (title, author, published date

Identicon generator — turn an exact UTF-8 seed into a deterministic mirrored avatar returned as base64-encoded SVG or

Verifiable Random shuffle — a uniform Fisher-Yates permutation bound to a future drand round the server waits for (typ

Verifiable Random pick — string selection with or without replacement bound to a future drand round the server waits f

Verifiable Random dice — unbiased dice rolls bound to a future drand round the server waits for (typically 3-6s) and v

Twenty-Four daily math puzzle — four numbers to combine into exactly 24; deterministic solvable UTC daily challenge fo

Twenty-Four answer check — verifies a 24-game arithmetic expression with exact rational math against the deterministic

Trivia Daily knowledge challenge — answer one deterministically selected and shuffled question from a curated local se

Trivia Daily answer check — validates one opaque choice ID and explains correct answers from the curated record.

Shortest Path daily graph — find the unique minimum-weight route in a deterministic directed or undirected graph.

Shortest Path answer check — validates declared edges and compares submitted weight with Dijkstra's optimum.

Gridlock daily maze — find an optimal orthogonal route through a deterministic bounded obstacle grid.

Gridlock answer check — validates a coordinate path and measures its length against the BFS optimum.

Chess Daily tactics puzzle — solve a deterministic UTC daily position from a pinned CC0 Lichess subset using legal UCI

Chess Daily answer check — legally validates a complete UCI principal line against the pinned daily puzzle.

Support/EOL schedule from endoflife.date (open data, ~350 products: python, nodejs, ubuntu, postgresql...) with derive

Authoritative domain registration facts from the ICANN-mandated RDAP protocol (rdap.org bootstrap -> registry of recor

Base-image due diligence from the Docker Hub API v2: repository status, star and pull counts, last_updated with derive

Wholesale day-ahead electricity prices in EUR/MWh per European bidding zone, from the Energy-Charts API (Fraunhofer IS

Public holidays and school holidays with subdivision granularity (German Laender, French academies, Spanish communitie

Adds N French business days to a date (?start=2026-07-13&add=30) or counts them over a range (?from=2026-07-01&to=2026

Consolidated MiFIR reference data for one ISIN, from the official ESMA FIRDS register (updated daily). Query: ?isin=FR

Official DPE energy certificates for existing French dwellings from the ADEME dpe03existant dataset (Licence Ouverte 2

Latest euro area risk-free spot yields from the ECB Data Portal (dataset YC, AAA-rated central government bonds, Svens

Official risk register for any French commune from the GeoRisques GASPAR database (BRGM / Ministry of Ecological Trans

Official US Treasury Reporting Rates of Exchange: the legal USD conversion rates required for FBAR/8938 filings and US

Annual macroeconomic series from the World Bank Indicators API, normalized JSON. Query: ?country=USA&indicator=FP.CPI.

All currently active disaster events monitored by GDACS (European Commission JRC / UN OCHA, attribution CC-BY-style),

One merged call instead of two: latest-version metadata from the official npm registry plus last-week download count f

Who owns whom, from the official GLEIF LEI graph (CC0 licensed, covers 2.5M+ legal entities worldwide). Query: ?lei=54

Real-time oracle prices from Pyth Network (Hermes API): aggregate price, confidence interval (uncertainty band), EMA p

Upcoming space launches worldwide from Launch Library 2 (The Space Devs): launch window (NET, window start/end), provi

Circulating supply per stablecoin from DeFiLlama with computed net flows (delta_24h/delta_7d/delta_30d = net mint minu

One-call email verification for lead qualification and list hygiene: RFC 5322 syntax check, then a live MX lookup over

Active weather alerts from the US National Weather Service (NOAA, public domain, real-time feed). Query: ?area=CA (2-l

Official Swiss commercial register via Zefix (Federal Office of Justice). Search: ?q=swisscom (company name, 3+ chars)

Hourly sea-state forecast from Open-Meteo Marine wave models: wave height/direction/period, wind waves and swell, up t

Monthly average interest rates the US Treasury pays on its outstanding securities, from the official FiscalData API (A

Official French company registry search via recherche-entreprises.api.gouv.fr (INSEE Sirene data, updated daily). Quer

Address intelligence on Base — EOA/contract/ERC-20 + nonce + ETH/USDC balance + keyless GoPlus security verdict (phish

Fetch a URL and return its main content as clean Markdown (boilerplate stripped)

Crypto risk signal for an asset, a 0 to 100 risk score plus a trend call and an on chain anomaly flag with a short pla

Wikidata firmographics (keyless, CC0)

EU VAT / tax ID validation via VIES (keyless)

SEC EDGAR financials for public companies (keyless, attested)

Is this address on the OFAC SDN list? $0.005 detailed sanctions screen for agents (same list as $0.001 wallet-screen,