Latest casts in one or more Farcaster channels (e.g. base, farcaster, ethereum), newest first, with optional replies. Compact cast shape with author, reactions, reply count and embed URLs. Cached 60 s per identical request. Use to watch a community, sample what builders are posting, or feed a digest.
# 1. Ask the endpoint what it costs (no payment, no wallet needed): curl -i -X GET 'https://agent402.tools/api/fc-channel-feed' # -> HTTP/1.1 402 Payment Required # the response carries the price, asset and pay-to address. # 2. Pay and retry with any x402 client: npx x402-fetch 'https://agent402.tools/api/fc-channel-feed'
Endpoint: https://agent402.tools/api/fc-channel-feed. Operated by agent402.tools, not by Animica. Price and availability were correct at the last probe on 2026-09-02 and are set by the operator, who may change them.
Discover and fetch a site's A2A (Agent2Agent protocol) Agent Card - tries /.well-known/agent-card.json then /.well-known/agent.json (or fetches a direct .json U…
Validate an A2A (Agent2Agent protocol) Agent Card: required fields, skill shape, transport names, capability flags - spec v0.3 structural core. Returns errors, …
Deterministic preflight check for a proposed AI agent action - a tool call, payment, fetch, or write - before it executes. Evaluates up to four independent chec…
Add (or subtract) a duration to a date. duration like "2d", "-3h", "1w 2d", "90m". Returns the resulting UTC ISO timestamp.
Label a known EVM address from a curated, committed dataset: major stablecoin + token contracts (USDC on every chain we settle on, USDT, DAI, WETH, WBTC), DEX r…
Explorer-grade profile of any address on any Blockscout-hosted EVM chain: native balance, contract vs externally-owned, verification status, token and NFT flags…
Build the full per-period amortization schedule for a fully-amortizing loan. Each row reports the period number, payment, the principal vs. interest split for t…
Present and future value of a level annuity (equal periodic payments). Supports an ordinary annuity (payments at period end) and an annuity-due (payments at per…
A synthesized answer to a natural-language question, grounded in a live web search and returned with source citations (URL, snippet). Use it when an agent needs…
Look up a URL in the Internet Archive's Wayback Machine: returns the archived snapshot closest to an optional timestamp (default: most recent), with the snapsho…
Look up the Autonomous System (ASN), prefix, country, registry, and allocation date for an IPv4 address - or for a hostname (which is resolved first). Uses Team…
Token and native transfer history for any EVM address across major chains: direction, counterparty, asset, exact decimal value, block and transaction hash, filt…