Free Detective Fiction audiobooks: public-domain recordings in LibriVox's "Detective Fiction" genre (595 titles and growing) with runtime, language and direct mp3 zip / RSS / archive.org links, plus matching audio from Internet Archive. Add words to narrow by title or author. Re-verified daily. $0.01 per page of 20.

Arc Wallet Intel service

Insert a coin: pay to mint an arcade credit (3 lives) for a run of ZEROMAN.

Cross-venue mark-price spread scan for crypto perpetuals — where the same perp trades at different marks across venues. Quoted spread is not net edge: it excludes fees, slippage and funding differences.

Full Cookin snapshot for one Solana token: quality score, holders, bundles (coordinated wallets), KOL positions, holder behavior cohorts, pump/dump signals, and a green/yellow/red rating per metric.

Launch history of one token deployer: every token, bond rate, and peak market caps.

Trading profile of one Solana wallet: PnL, ROI, win rate, bundle and smart-money flags.

Recent trades for one Solana token, each with the trader's history: PnL, win rate, bundle membership, and smart-money flag.

Live market intelligence data

Get weather observations (METAR) for a specific airport

Get weather observations (METAR) for a specific airport

Use this to build a citation-grounded profile of one X account. A high-reasoning Grok agent adaptively searches up to 365 days of history across topics and time periods within a hard three-turn ceiling, then returns evidenced interests, beliefs, behavioural tendencies, risk posture, information-processing style, and personalization hints. Every claim cites supporting posts. Matching results are shared from Quotient's cache while less than 30 days old.

High-reasoning, adaptive X/Twitter research grounded in citations, powered by Grok. Within a hard three-turn ceiling, it runs multiple targeted searches over a 365-day default/maximum window and returns substantive posts, replies, quote posts, or thread entries plus accounts, a synthesis, gaps, and citations. Use this for sourced research on breaking news, geopolitics, macro, crypto, and event markets using retrieved evidence.

Pay the add-pool execution fee (add liquidity to a Uniswap V3 pool)

Pre-trade token risk check on Base for AI agents and autonomous trading bots. Detects honeypots, rug pulls, hidden ownership, mint/blacklist functions, tax traps, deployer wallet reputation, and brand impersonation. Includes live sell simulation across Uniswap V2/V3/V4 and Aerodrome, holder concentration analysis, and a machine-readable risk verdict delivered via x402 and MCP.

Node4All md2pdf — Markdown → PDF (md2pdf) conversion for AI agents and document automation workflows. Accepts UTF-8 markdown either as a multipart "file" upload (.md, ≤10MB) or as a JSON body { "markdown": "..." }, and returns application/pdf. Operator: Node4All (https://node4all.com). Currency: USDC on Base.

Verpackungspflichten-Monitor: one page of recorded obligation history, up to 500 versions. Each page is a separate purchase; historical coverage may be incomplete. Licence: https://getregisters.com/agent-licence.html

0Human x402 onboarding — 24h agent session for my-agent

Fetch a public https URL and extract HTML head metadata ($0.005 USDC via x402). https only — http, file, data, localhost, and private IPs are rejected. Caps: 1 MB body, ~10s timeout, max 5 redirects. Returns JSON { url, final_url, content_type, title?, description?, canonical?, lang?, open_graph, twitter, warnings }.