the402 x402 endpoint directory

Deterministic Legal Entity Identifier check for regulatory reporting pipelines (EMIR, MiFID II require a valid LEI per

Deterministic ISIN check before routing an order or paying a market-data API: structure regex (2-letter country or XS/

🆕 An ERC-20 balance on Base, in raw units and in decimals, with the token's symbol and decimals resolved in the same

🆕 The receipt for a Base transaction: success or reverted, block, gas used, effective gas price, the fee in wei and E

🆕 A Base transaction by hash, unedited: from, to, value in wei and ETH, nonce, gas, fee caps, type, and the 4-byte me

Look up a Base Mainnet transaction.

Pay-per-call: Web Search

Base gas price oracle: current gas cost on Base, base fee and priority fee in gwei, at a stated block height. For agen

Live weather + 3-day forecast for any city or lat/lon worldwide — temperature, feels-like, humidity, wind, precipitati

Token price lookup. Pass coin identifiers as `/v1/defillama/prices/{coins}` (e.g. `coingecko:bitcoin`, `ethereum:0xC02

News Gurus Intel API — live crypto & equity market regime classification (TRENDING / MEAN_REVERTING / VOL_EXPANSION) w

Generate a PNG QR code URL for payment and onboarding payloads (upstream probed live)

Exa's own page index, read per call — no Exa account, no subscription. Pass urls= (one, or up to 5 comma-separated) an

🆕 One block on Base — height, hash, parent, timestamp and age in seconds, transaction count, gas used against the lim

Restates an amount from one year in another year's money for any country.

Add business days to a date, or count them between two dates, for ~110 countries. Knows each country's weekend (Friday

🆕 What sits at a Base address: contract or plain wallet, and if a contract, whether it declares ERC-721 or ERC-1155 v

🆕 totalSupply for any Base token, returned raw and scaled by its decimals, alongside the name and symbol. When a cont

🆕 The next nonce for any Base address, plus its ETH balance and whether it is a contract. The count means different t

Fetches a URL and returns the page as clean text with navigation and ads stripped.

Validate an EU VAT number offline: country prefix, national format, and the published check-digit algorithm for the 8

Validate an IBAN offline: country registry length, structure, and the ISO 7064 mod-97 checksum that catches what human

Enriched quote for an x402 endpoint: probes it unpaid (never pays, SSRF-checked), decodes {price, asset, network, payT

Token price lookup. Pass coin identifiers as `/v1/defillama/prices/{coins}` (e.g. `coingecko:bitcoin`, `ethereum:0xC02

Token price lookup. Pass coin identifiers as `/v1/defillama/prices/{coins}` (e.g. `coingecko:bitcoin`, `ethereum:0xC02

Token price lookup. Pass coin identifiers as `/v1/defillama/prices/{coins}` (e.g. `coingecko:bitcoin`, `ethereum:0xC02

Token price lookup. Pass coin identifiers as `/v1/defillama/prices/{coins}` (e.g. `coingecko:bitcoin`, `ethereum:0xC02

Token price lookup. Pass coin identifiers as `/v1/defillama/prices/{coins}` (e.g. `coingecko:bitcoin`, `ethereum:0xC02

Token price lookup. Pass coin identifiers as `/v1/defillama/prices/{coins}` (e.g. `coingecko:bitcoin`, `ethereum:0xC02

Token price lookup. Pass coin identifiers as `/v1/defillama/prices/{coins}` (e.g. `coingecko:bitcoin`, `ethereum:0xC02

Token price lookup. Pass coin identifiers as `/v1/defillama/prices/{coins}` (e.g. `coingecko:bitcoin`, `ethereum:0xC02

Token price lookup. Pass coin identifiers as `/v1/defillama/prices/{coins}` (e.g. `coingecko:bitcoin`, `ethereum:0xC02

Private website screenshots for AI agents — capture any URL as PNG or JPEG. Custom viewport, full-page support, zero l

Reloadpi — Search prepaid mobile top-up and airtime offers for 150+ countries worldwide

Turkish lira crypto premium check: implied USD/TRY from a crypto cross-rate versus the official rate; ?asset=usdt is t

Trending token scan: the tokens moving across the crypto market right now; ?limit=N trims the list

Trending Base pool scan: the DEX pools moving on Base right now, with price, 24h volume and liquidity; ?limit=N sets h

Exchange rates. Latest or historical FX rates between currencies, sourced from the European Central Bank (Frankfurter

Generate a solid-color placeholder image with optional centered text (no input image needed).

Parse CSV/TSV (RFC 4180) into a JSON array of row objects (or arrays).

Classify an IP address: version, public/private/loopback/link-local, integer form, and reverse-DNS (PTR) lookup.

Token price lookup. Pass coin identifiers as `/v1/defillama/prices/{coins}` (e.g. `coingecko:bitcoin`, `ethereum:0xC02

Token price lookup. Pass coin identifiers as `/v1/defillama/prices/{coins}` (e.g. `coingecko:bitcoin`, `ethereum:0xC02

Token price lookup. Pass coin identifiers as `/v1/defillama/prices/{coins}` (e.g. `coingecko:bitcoin`, `ethereum:0xC02

Token price lookup. Pass coin identifiers as `/v1/defillama/prices/{coins}` (e.g. `coingecko:bitcoin`, `ethereum:0xC02

Token price lookup. Pass coin identifiers as `/v1/defillama/prices/{coins}` (e.g. `coingecko:bitcoin`, `ethereum:0xC02

Token price lookup. Pass coin identifiers as `/v1/defillama/prices/{coins}` (e.g. `coingecko:bitcoin`, `ethereum:0xC02

Token price lookup. Pass coin identifiers as `/v1/defillama/prices/{coins}` (e.g. `coingecko:bitcoin`, `ethereum:0xC02

Token price lookup. Pass coin identifiers as `/v1/defillama/prices/{coins}` (e.g. `coingecko:bitcoin`, `ethereum:0xC02

Looks up token prices by CoinGecko identifier.