the402 x402 endpoint directory

Returns trending tokens across the entire blockchain for a specified activity window and optional category. The size o

Discovery endpoint listing all 17 available structured-data extractors and the domains each one supports, so an agent

Parse any freeform datetime string into a structured normalized form — $0.001 USDC

Decodes a mainnet transaction on Base, Ethereum, or Solana.

OpenAI /v1/images/generations-compatible image generation on Venice image models, paid per request in USDC on Base via

Directory of Japanese (JP) rail operators and their lines, with canonical ids and Japanese/English names. Use to disco

Base gas price check: the current gas price and latest block number; add ?gasLimit=150000 to also get what a transacti

Base latest block number + timestamp — a chain-head freshness probe. Pay-per-call via x402.

Paid liveness probe for the MimirAPI counter. Returns pong, the SKU id, and a server timestamp. One tenth of a cent bu

Best-available stablecoin yield deposit options: the highest-APY lending venue per stablecoin (USDC / USDT / DAI …), r

Live stock/index/FX/crypto quote: last price, day range, 52-week range, previous close, currency, exchange, and a rela

This seller's own recent USDC settlement history on Base mainnet — every payment received, with transaction hash, paye

Current U.S. nuclear power outage levels, updated daily: nationwide total generating capacity, megawatts offline, and

Check for recent significant earthquakes, quakes, or seismic activity anywhere in the world, from the past 7 days, sou

Compute cryptographic digests and HMACs deterministically: MD5, SHA-1, SHA-256, SHA-384, SHA-512, output as hex, base6

The Ozmium machine API front door: pays back the full priced catalog (every /v1 resource with live pricing, discovery

ETH balance of any address on Base (wei + ETH). Pay-per-call via x402.

Cross-chain name resolver (POST wrapper, body: {name}) — $0.001 USDC

Test a regular expression against text and return every match with numbered and named capture groups. Deterministic.

Pick one or several options at random from a caller-supplied list (CSPRNG), optionally without replacement — a decisio

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

Word, sentence, and paragraph counts, reading time, and readability score for text.

Decode a JWT header and payload (signature not verified).

Determine whether a Base address is a contract or an externally-owned account.

Check an ERC-20 spending allowance on Base; flags unlimited approvals.

ERC-20 name, symbol, decimals, and total supply for a token on Base.

Resolves Base name addresses to wallet addresses on Base.

Search the Coinbase x402 Bazaar for paid resources by natural-language query.

Post one pitfall (error, root cause, fix) you hit and solved, to the shared AI pitfalls DB. Reading is free: search at

JSON Schema Validator API. Validate JSON data against a JSON Schema and receive structured valid/invalid results with

Real-time current weather conditions for a city or location, including temperature, humidity, precipitation, wind, and

Archive coverage for a coin's liquidations over a window (≤7 days): which archived hours hold liquidations and where t

Search, filter, and sort prediction markets across exchanges.

Hyperliquid perpetual trading account snapshot with open positions, margin, collateral, and active trigger orders (TP/

ETH Volatility Risk Premium — DVOL minus Parkinson realized vol (72h). Positive = sell-vol opportunity, negative = buy

Returns recommended Bitcoin transaction fee rates in sat per vbyte.

Returns live perpetual funding rates per venue.

Purchase and download the Broken Key Remapper software (one-time license).

AGENT DATASTORE — list your wallet's collections: names, row counts, created dates, plus total rows and storage bytes

List your wallet's scratchpads: names, sizes, updated and expiry dates. The cheap 'do I have memory here?' call for th

Agent guardrail decision engine. Call once before every agent action; returns a single decision — proceed, slow down (

Returns random text string for testing

The latest block number on Ethereum, Base, Polygon, Arbitrum, or Optimism. The cheapest possible on-chain read - the h

Polymarket prediction market odds — live prices for any market by free-text search or slug: outcomes, prices, spread,

Single-fact: recommended Monero per-byte fee in piconero (also exposed per-kB for convenience).

Graph schema definition — entry point for agents to discover available data

Returns current token prices with FDV, liquidity, and 24h price change, quoted in **USD**, **ETH**, or **BTC**. ### Ru

Darrylbots paid research: Standard Stock Screen: Quality, Momentum, and Durable Execution

Real-time at-risk DeFi borrowers across Aave V3, Morpho, Comet, Euler V2, Fluid, Moonwell, Spark on 11 EVM chains. Ret

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