Claude API for AI agents, pay per token, no API key or account - POST an Anthropic Messages request (messages, system, tools, tool_choice, thinking) and get the full response back. Claude Opus 5, Sonnet 5, Haiku 4.5. Tool calling / function calling supported. Billed on actual usage at list price + 25%, capped at $0.25 per call (x402 upto scheme). LLM inference, chat completions, keyless Claude, Anthropic proxy. Free price sheet: /llm/models.

New agent services launched this week - every x402 listing and MCP server that appeared in the last N days, with day-one traction: price, paying customers, call volume, npm installs. Watch competitors launch, spot gaps early, track the agent economy. From daily snapshots of the whole x402 bazaar + MCP registry - history that can't be reconstructed from the live catalogs. ?days=7&kind=x402|mcp. Full market report: /market/pulse $0.005.

Agent economy market report - what AI agents actually pay for. Daily snapshots of the ENTIRE x402 bazaar + MCP registry: total revenue and payers with week-over-week change, top gaining and losing services, new launches that already have paying customers, delisted services, revenue by price band. x402 analytics, API marketplace stats, agentic commerce data, competitor tracking for agent tool sellers. ?days=7 (1-60). Free sample: /market/example.

Track one agent service over time - the full day-by-day history of any x402 listing or MCP server: price changes, paying customers, call volume, installs, first and last seen. See what a listing like yours earns, watch a competitor grow or die. From daily whole-market snapshots the live catalogs don't keep. ?id=<x402 resource URL or MCP registry name> (find ids via /find, free). Market overview: /market/pulse $0.005.

Ask a question about any public PDF and get a cited answer - pass a PDF URL and a plain-language question; returns the answer, confidence, verbatim supporting quotes with page numbers, or not_found. PDF question answering, document QA, read a filing/paper/manual/contract for me, extract a fact from a PDF. Text-based PDFs up to 25MB (no OCR). Full text instead: /pdf/text $0.01.

Convert PDF to text for AI agents - pass any public PDF URL, get the full extracted plain text in one call. pdftotext / convertpdftotext / pdf to text converter / extract text from PDF / read a PDF / parse PDF documents, papers, SEC filings, reports, invoices, manuals. Up to 25MB and 500k chars, with page count and a likely_scanned flag (text-based PDFs only, no OCR). No API key, no account. ?url=<public PDF url>. Free live sample: /pdf/example.

Prediction markets closing soon - every market on Polymarket AND Kalshi settling within the next 24 hours or 7 days, sorted by volume, with hours-to-close. Event-risk calendars, deadline tracking, what resolves today. ?window=24h|7d&limit=1-50&q=<optional topic filter>.

Prediction market cross-platform gaps - biggest disagreements between Polymarket and Kalshi on the SAME question: both questions and probabilities, the gap in points, volumes, close dates, urls, match_confidence. Arbitrage research, sanity-checking a price against a second venue, event-risk divergence. From a background snapshot rebuilt every 30 min. ?limit=1-50&min_gap=<pts, default 0>&q=<optional topic>. Check both resolve on the same terms.

Prediction market price history - one market's implied-probability series over 1d, 1w, 1m or max, with first/last/high/low/change, for a Polymarket market (condition id, slug or numeric id) or a Kalshi market (ticker). Ids come from /pm/search. Backtesting, charting, trend confirmation. ?id=<market id>&interval=1d|1w|1m|max.

Prediction market movers - the biggest probability swings in the last 24h or 7d across liquid Polymarket markets (liquidity >= $5k, 24h volume >= $1k), up and down, with current probability, move in points, volume, and URL. Breaking-news detection, event monitoring, what changed today. ?window=24h|7d&limit=<1-50>.

What do the prediction markets say? Pass a question, get a finished read an agent can use directly: the best-matching market on Polymarket and on Kalshi with implied probability and 24h/7d moves, the cross-platform gap in points, a 7-day price history, a one-sentence summary, plus the top matching markets. Forecasting, research grounding, news context, event risk. ?q=<question>. Raw list only: /pm/search $0.01.

Prediction markets that just settled - every market on Polymarket AND Kalshi resolved within the last 24 hours or 7 days, with the outcome (yes/no/other), last price before close, volume, closed_at and url. Built for forecasting agents grading their own predictions against real outcomes. ?window=24h|7d&limit=1-50&q=<optional topic filter>.

Prediction market search for AI agents - one query, live markets from Polymarket AND Kalshi ranked by relevance: question, implied probability (YES price), 24h/7d change, bid/ask, volume, liquidity, close date, URL, and the ids you need for /pm/history. Election odds, Fed/rates, crypto price targets, sports, geopolitics, pop culture. ?q=<question or topic>&limit=<1-50>. Want a finished answer with a cross-platform read? /pm/odds $0.02.

Prediction markets AND X/Twitter sentiment on the same question, one call. Headline Polymarket + Kalshi probability, a live X search built from your question, an AI read of whether the crowd on X leans YES or NO on that same market, and a computed aligned/diverges/no_clear_read against the market price. Event risk, news context, crowd-vs-market divergence, research grounding. ?q=<question or topic>. 404 free if no market matches on either platform.

Open prediction markets mentioning a US stock ticker or company, Polymarket + Kalshi in one call, for trading agents (Coinbase for Agents / x402 market data). $CASHTAG or company name in, implied probability, 24h change, volume, close date and url out. Facts only - not a buy/sell/hold signal. ?q=TSLA or ?q=Tesla&limit=1-50.

Prediction market watch/monitor for AI agents - only what changed since your last check. Pass up to 20 market ids (from /pm/search) or a topic, get current probability, change in points since your cursor, a moved flag, newly-listed markets, and a fresh stateless cursor for next time. Portfolio monitoring, alerting, polling without re-paying for unchanged data. ?ids=<comma ids>|q=<topic>&cursor=&min_move=<pts, default 3>. Nothing changed = 404 free.

SEC Form 4 insider trading for one US stock ticker, for trading agents (Coinbase for Agents / x402 market data). Every insider buy/sell/grant/gift in the window: name, role, date, transaction code, shares, price, shares owned after, filing url, plus open-market buy vs sell counts and dollar totals. Facts only - not a signal. Source: SEC EDGAR. ?ticker=AAPL&days=1-365 (default 90)&limit=1-25.

One-call US stock ticker brief for trading agents (Coinbase for Agents / x402 market data): X/Twitter activity (24h), prediction markets, SEC Form 4 insider activity (90d), and the latest 8-K filing - bundled from /x/ticker-pulse, /pm/ticker-events and /sec/insider. Each section fails independently so a partial answer beats none. Facts only - never a buy/sell/hold signal or price target. ?ticker=NVDA.

Base token verdict for AI agents - send a token contract address, get a risk verdict: honeypot/tax/ownership checks (GoPlus), DEX price/liquidity/volume (DexScreener), holder count + name/symbol/supply read on-chain, and X/Twitter chatter (organic vs shill-heavy). One AI risk read: level, confidence, red/green flags. Facts only, never a buy/sell call. ?address=0x... (Base only). 404 free if unknown.

Translate text for AI agents - POST any text up to 2,000 chars with a target language, get clean JSON back: the detected source language + the full translation, never prose. Any language pair - Spanish, French, German, Japanese, Chinese, Korean, Arabic, Hindi, Portuguese, English - source auto-detected when omitted. Translation API, language translation, localize, i18n. No API key, no account. POST {text, target_lang, source_lang?}. Free sample: /translate/example.

Lithium Research Vault - full structured JSON for any lithium / battery-metals producer or DFS-stage developer, by company or mine: production, AISC, reserves, ownership, royalties, offtakes, financials, DFS economics (NPV/IRR/capex), market cap & lithium spot. From SEC/ASX/TSX/cninfo filings, USD-normalized, every figure cited. 66 mines, 44 operators. Greenbushes, Pilgangoora, Wodgina, Cinovec; tickers SGML, ALB, PILBF, EMH, GL1, PMETF. /vault/summary $0.02; /vault/comparables $0.20.

Lithium Research Vault - cost-curve & peer ranking for any lithium company or mine vs the tracked universe of 66 mines, 44 operators: AISC percentile, resource-size rank, balance-sheet survival rank. Dataset-level analysis - who survives the downcycle - that a single-entity call can't give. Spodumene/brine producers + developers, every figure cited to SEC/ASX/TSX filings. Greenbushes, Pilgangoora, Atacama, Cinovec; tickers SGML, ALB, PILBF, SQM. /vault/summary $0.02, /vault $0.05.

Historical spodumene prices - the full DAILY SC6 spodumene concentrate (6% Li2O, CIF China) price series from May 2023 to today, USD/tonne, ~750 prints, PLUS daily lithium carbonate spot and quarterly producer realized prices cited to SEC/ASX filings (Pilbara, Sigma, Kodal). One call = the whole time series. ?interval=daily|weekly|monthly&from=&to= (all optional). Lithium price history, spodumene price chart data, battery metals. Latest print only: /vault/summary $0.02.

Lithium Research Vault - headline snapshot for any lithium & battery-metals company, producing mine, or DFS-stage developer. One row: latest production, AISC, cash/debt/EBITDA, reserves, DFS NPV/IRR, top holder, source filing. Albemarle, Pilbara, SQM, Greenbushes, Atacama, Cinovec, Manna, Bandeira. 66 lithium mines (43 producing + 23 developer), 44 operators. Query by ticker (ALB, SQM, SGML, EMH, GL1, PMETF) or mine name. Cheapest tier; /vault full rows, /vault/comparables ranking.

Lithium company or mine, one cited plain-language read: cost-curve position vs the tracked universe, balance-sheet survival rank, permitting/development stage, key risks and strengths, data gaps - facts from SEC/ASX/TSX filings, no investment advice. Lithium mining research, battery metals due diligence, spodumene/brine producers. ?entity=<TICKER|MineName>&level=<company|mine>. Underlying data: /vault/summary $0.02, /vault/comparables $0.20.

Cited web answer for AI agents - ask a question, get a short answer with verbatim quotes and source URLs from the live web in one call (neural search + page read + synthesis together). Research, fact check, news since a date, domain-scoped lookups, "what happened with X". Not a raw SERP - a finished, cited answer. POST {question, since?, domains?, max_sources?}. Free sample: /web/example.

Is this X/Twitter account real? Bot check + verdict for AI agents - pass a handle, get an AI read (real_person/organization/likely_bot/parody_or_fan/inactive/unclear) with confidence, known-for, recent themes, red flags, plus non-LLM stats: account age, posts/week, avg likes/views, reply share. Influencer vetting, KOL check, lead qualification, verify an account before trusting it. ?username=elonmusk.

X/Twitter trend digest - live tweet search PLUS an AI-written summary an agent can use directly: 3-5 sentence trend summary, sentiment (positive/negative/mixed/neutral) with reason, key themes, driving accounts, notable post URLs. Raw tweets included. Advanced search syntax: from:user, #hashtags, min_faves, since dates, lang. Social media monitoring, crypto, stocks, news sentiment, brand tracking, market signals. ?query=<advanced search>. Raw-only tier: /x/search $0.02.

X/Twitter engagement lookup for AI agents - pass a tweet id, get who quoted it and who retweeted it (up to 20 each), no API key or login. Handle, name, bio, followers, verified. Find amplifiers, gauge real reach vs vanity metrics, source leads from a viral post's audience. ?id=1234567890. Replies instead: /x/replies $0.02.

X/Twitter followers list for AI agents - one page (up to 20 shown) of an account's followers, no API key or login. Handle, name, bio, follower/following counts, verified status, DM-open. Audience research, influencer vetting, lead sourcing. ?username=elonmusk&cursor=<from a prior next.older>. Who they follow instead: /x/following $0.02.

X/Twitter followings list for AI agents - one page (up to 20 shown) of who an account follows, no API key or login. Handle, name, bio, follower/following counts, verified status. Map an account's network, find who a founder pays attention to. ?username=elonmusk&cursor=<from a prior next.older>. Their followers instead: /x/followers $0.02.

X/Twitter recruiter & lead finder for AI agents - search 'open to work', hiring posts, cofounder search, or any topic, and get the PEOPLE talking about it, enriched: bio, website, emails found in bios, follower count, location, DM-open flag, every matching post per person. Recruiting, cofounder search, B2B lead gen, influencer/community discovery. ?query=<advanced search>&max=20|40. Free masked sample: /x/leads/example. Raw tweets instead: /x/search $0.02. One person in depth: /x/person $0.15.

X/Twitter deep lead finder for AI agents - one call does the whole chain: searches up to 4 pages, finds the PEOPLE behind the posts, enriches the top 10-15 with their own website (emails, LinkedIn, GitHub), and clusters them with a one-line why-they-match per person. Recruiting, B2B prospecting, cofounder/investor search. ?query=<advanced search>&max=1-15. Cheaper first look: /x/leads $0.05. Free masked sample: /x/leads-deep/example.

X/Twitter watchlist for AI agents - pass 2-50 handles, get their combined recent tweets in ONE call, newest first, deduped, with a per-handle count and a since-cursor for only-what's-new next time. No from:-OR-splitting, no X OR-term cap. Monitor a portfolio of founders, competitors, or accounts. ?handles=a,b,c&since=&limit= (default 40, max 100). Poll on a prepaid credits key (/buy/credits) = the bar tab.

X/Twitter mentions for AI agents - tweets mentioning a handle, one page (up to 20 shown), no API key or login. Author, follower count, text, timestamp, likes, retweets, views, URL. Brand monitoring, reputation tracking, see who's talking about an account. ?username=elonmusk&cursor=<from a prior next.older>. That account's own posts instead: /x/user $0.02.

Voice-of-customer / product complaints digest for AI agents - pass a product or brand, get clustered pain points, feature requests and praise mined from live X posts, with verbatim quotes and URLs. Product research, competitor research, churn signals, roadmap input. ?product=<name or handle>. Raw tweets + trend summary instead: /x/digest $0.05.

X/Twitter person lookup for AI agents - send a handle, get an enriched person card: name, role, company, what they work on, topics, seniority guess, and contact routes (emails found on their site/bio, LinkedIn, GitHub, X DM-open flag). Lead gen, recruiting, sales prospecting, cofounder search. Non-LLM facts: followers, account age, posts/week, website. ?username=naval. Free sample: /x/person/example.

X/Twitter profile lookup for AI agents - full public account details for any handle, no API key or login. Returns display name, user id, bio, follower and following counts, tweet count, verified status, location, join date and profile URL. Verify an account is real, size an audience, enrich a lead, resolve a handle to an id. ?username=elonmusk. Their tweets: /x/user $0.02. Find accounts: /x/users $0.02.

X/Twitter replies for AI agents - the reply thread under any post, by tweet id, no API key or login. Up to 20 replies with author, follower count, text, timestamp, likes, retweets, views and URL. Read the reaction to an announcement, gauge community sentiment on a launch, or mine a viral thread for arguments. ?id=1234567890. The tweet itself: /x/tweet $0.01. AI summary: /x/digest $0.05.

Search X/Twitter for any topic, ticker, hashtag or account and get the 20 newest matching tweets as clean JSON: text, author, followers, likes, retweets, views, URL. Operators: from:user, "exact phrase", #hashtag, min_faves:, lang:, since:/until:. No API key or login. Empty result is free; next.older pages deeper. ?query=<advanced search>. AI summary instead: /x/digest $0.05.

X/Twitter activity for one US stock ticker, built for trading agents (Coinbase for Agents / x402 market data). Pass a $CASHTAG ticker, get post-volume vs the prior window, top posts by likes, most active accounts, and keyword topic flags (earnings, guidance, lawsuit, SEC investigation, recall, M&A, layoffs, upgrade/downgrade, short report, dividend, buyback, CEO). Facts and counts only, no buy/sell signal. ?ticker=TSLA or $TSLA&window=24h|7d (default 24h).

X/Twitter single tweet lookup for AI agents - fetch one post by its numeric id, no API key or login. Returns full text, author, follower count, timestamp, likes, retweets, replies, views and canonical URL. Resolve a link an agent was handed, check whether a post still exists, or grab live engagement on one tweet. ?id=1234567890. Replies to it: /x/replies $0.02. Search: /x/search $0.02.

X/Twitter user timeline for AI agents - the latest tweets from any handle, no Twitter API key or login. Up to 20 newest posts with text, date, likes, retweets, replies, views, follower count and URL, plus the pinned tweet. Track founders, analysts, competitors, crypto callers, journalists, brands. ?username=elonmusk. Search all of X instead: /x/search $0.02. AI trend summary: /x/digest $0.05.

X/Twitter account search for AI agents - find accounts by name, topic or keyword, no API key or login. Up to 20 matching profiles with handle, display name, bio, follower and following counts, verified status, location and URL. Build a list of analysts in a niche, find a company's real account, or discover creators to monitor. ?query=lithium analyst. One profile: /x/profile $0.02.

Monitor X/Twitter for changes - pass a search query and (optionally) a cursor from your last check, get back ONLY what's new since then, plus an AI change summary. Cursor-based so an agent never re-reads the same tweets. Brand monitoring, keyword alerts, competitor tracking. ?query=<advanced search>&since=<ISO timestamp or tweet id>. First call (no since) returns a baseline of the latest 20 + a cursor to pass next time. Poll on a prepaid credits key (/buy/credits) = the bar tab.