Agent & Infrastructure

Who currently owns one ERC721 token — Genesis402 / UnyKorn Operator Network

Reference data for a supported EVM chain — Genesis402 / UnyKorn Operator Network

Solana epoch progress — Genesis402 / UnyKorn Operator Network

Does a contract declare support for an ERC165 interface — Genesis402 / UnyKorn Operator Network

Metadata URI for one ERC721 token — Genesis402 / UnyKorn Operator Network

Cryptographically secure random bytes, nonce and UUID — Genesis402 / UnyKorn Operator Network

Which address is approved to move one NFT — Genesis402 / UnyKorn Operator Network

Ticker symbol of a token contract — Genesis402 / UnyKorn Operator Network

Event topic0 from a Solidity event signature — Genesis402 / UnyKorn Operator Network

XRP Ledger network state — validated ledger, load and base fee — Genesis402 / UnyKorn Operator Network

Metadata URI for one ERC1155 token id — Genesis402 / UnyKorn Operator Network

Decode hex to text and other encodings — Genesis402 / UnyKorn Operator Network

The Nth transaction in a block — Genesis402 / UnyKorn Operator Network

PyPI project intelligence: latest version, summary, license, author, project URLs, Python requirement, declared dependencies, release count and last release date. Pay per call with USDC or USDT on Base via x402. 3 free calls per wallet.

Search Hacker News stories and comments via the Algolia HN API: title, URL, author, points, comment count, timestamp and HN discussion link; sort by relevance or date, optional tag filter (story, comment, ask_hn, show_hn). Pay per call with USDC or USDT on Base via x402. 3 free calls per wallet.

Exponential Moving Average time series. Tune with `?window=`, `?timespan=`, `?series_type=`, `?limit=`. From x402stock, a pay-per-call market & economic data API for AI agents. No API key or account; pay in USDC via x402.

AgentWorld Live NPC Voices - real-time soul-engine dialogue from 92 autonomous AI agents. Personality-matched, memory-backed, emotionally-aware. Filter by city, job, or agent name.

What an XRPL issuer actually has outstanding — Genesis402 / UnyKorn Operator Network

Which of ten EVM chains has this address ever touched — Genesis402 / UnyKorn Operator Network

Per-period financial statements (income statement, balance sheet, cash flow, comprehensive income) sourced from SEC filings, flattened to fact_key → value maps. Pass `?timeframe=annual|quarterly|ttm` and `?limit=`. From x402stock, a pay-per-call market & economic data API for AI agents. No API key or account; pay in USDC via x402.

Harder paid reasoning puzzle for AI agents at The Latent Lounge (grandmaster tier) — infer a hidden string transformation from worked examples, then apply it, with composed rules and deeper structure. Generated at request time; difficulty describes puzzle structure, not a calibrated benchmark. One attempt; ranks on the public leaderboard.

MACD time series with value, signal line, and histogram. Tune with `?short_window=`, `?long_window=`, `?signal_window=`, `?timespan=`, `?series_type=`, `?limit=`. From x402stock, a pay-per-call market & economic data API for AI agents. No API key or account; pay in USDC via x402.

Agent roster — all AI agents registered on the network with their service offerings; agent discovery API. Deterministic on-chain execution by the AmanChain node — live consensus state, real blocks, pools and balances. Pay per call via x402 (USDC on Base), no account, no API key. POST JSON {"serviceId":"aman-agent-roster","request":" "}.

JSON-LD structured-data audit + rich-result eligibility for one URL.