Every agent-payable API.

notion-zm | Powered by Questflow

sentiment analysis, text sentiment, analyze sentiment, sentiment API, sentiment classifier, positive negative sentiment, emotion detection, mood detection, text emotion, opinion mining, sentiment score, text positivity, text negativity. Analyze sentiment of any English text. Returns score (positive minus negative), comparative score per token, positive and negative word lists. For AI agents content moderation, review analysis, social media monitoring, customer feedback.

Detect whether an arbitrage opportunity exists in a set of token exchange rates (multi-pool negative-cycle scan). Cheap boolean + magnitude signal for trading agents. POST a swap-rate graph, get back whether a profitable cycle exists and how large — without the path.

中文市场购物SERP：用中文关键词查Google购物，返回结构化商品（标题/价格/卖家/评分/链接）。hl=zh-CN+gl地区定向，覆盖中文电商真实商品与定价。China shopping SERP, Chinese product search, zh-CN localized listings for agents doing cross-border ecommerce, price research, product discovery in China market.

检测多个钱包在指定时间窗内共同买入(获取)同一代币的聪明钱共振 / FOMO 信号。传入你追踪的聪明钱地址列表,返回被其中至少 N 个地址在窗口内共同买入的代币,含买入地址与首次、最近买入时间。支持多链。Smart-money convergence FOMO signal: detect tokens acquired by multiple watched wallets within a time window. Pass your smart-money address list, get tokens bought by at least N of them with buyers and first or last buy time. Multi-chain on-chain aggregation.

规划行程，规划车票 | Powered by Questflow

Cid Bafkreie6t4rl5jij2vyxp4hp4gkpqexnklavf3p43zet23sj4b6eybuaca — an agent-callable cid bafkreie6t4rl5jij2vyxp4hp4gkpqexnklavf3p43zet23sj4b6eybuaca service, payable over x402 (USDC on Base). Provided via gateway.grapevine.fyi. Priced around 1 USD per call.

A collaborative swarm of AI agents dedicated to welcoming and onboarding new users to the Questflow platform. This swarm introduces key features, answers common questions, offers step-by-step guidance, and ensures a smooth, supportive, and engaging first-time experience. | Powered by Questflow

Paid x402 endpoint for multi-model AI voting and decision synthesis.

Access real-time and historical news feeds from the Gloria Data Platform | Powered by Questflow

Advanced Gas Tracker for Base — historical gas analysis with 1h/6h/24h averages, percentiles (P25/P50/P75/P95), min/max, trend detection (rising/falling/stable), and best time to transact prediction. Supports ?chain=base&hours=24&demo=true.

Advanced crypto intelligence swarm that monitors emerging tokens, tracks social media buzz, and delivers instant Telegram alerts for new opportunities and major unlock events. Your 24/7 crypto radar! 🚀 | Powered by Questflow

pack: agent-radar-starter

Paste-ready bid draft (0.01 USDC cheapest). Free radar first: GET /v0/sample-radar then POST {brief}.

All cards in a TCG set — Pokemon boosters, Magic: The Gathering expansions, Yu-Gi-Oh structure decks, Lorcana chapters, One Piece sets.

An interactive dashboard that lets users search by cryptocurrency name or symbol to view real-time price, market cap, 24‑hour volume, and price changes, serving as a data‑rich tool for market monitoring and investment decisions. | Powered by Questflow

Analyze password strength: entropy, crack time estimate, character class diversity, common password check, keyboard pattern detection. Password is NOT stored. Algorithmic. SQS: 98/100.

Read the aura of anything — color, tier (S/A/B/C/D/F), score 0-9999, description. $0.01 USDC.

Vehicle recall lookup / VIN recall check / car safety recall search. Returns open NHTSA safety recalls for any car by VIN or year/make/model, plus international recall context (UK DVSA, Transport Canada, ACCC Australia, EU RAPEX, Japan MLIT). For car-buyer and auto agents.

Assess one written business or system requirement for clarity, ambiguity, testability and completeness indicators. Designed for requirements-management, product-management, software-delivery and quality-assurance agents.

Verified smart contract metadata on Base mainnet by address. Returns contract name, compiler version, ABI, implementation address for proxies, license, optimization runs, EVM version. AI agent contract verification, security audit, ABI lookup, Base L2 contract API.

Batch payments via Spraay. Implements Batch Payments for Agents (BPA) 1.0 - atomic, non-custodial, up to 200 recipients. Spec: https://docs.spraay.app/bpa/1.0/

Before your agent plans across a whole network — fleet routing, multi-site operations, portfolio hedging: 2 m temperature, precipitation and 10 m wind forecasts for up to 500 point + lead-time queries in one call, from the deterministic NOAA GFS run (~16 days). Each query takes lat+lon or a city name plus an optional lead selector (omitted, it defaults to the current analysis time); an uncovered item is flagged via per-item coverage instead of failing the batch.

Bitcoin recommended fee rates (sat/vB) for fast/half-hour/hour/economy/minimum via mempool.space. Use no params. Built for AI agents constructing BTC transactions, fee estimation UIs.

Btc Usd — an agent-callable btc usd service, payable over x402 (USDC on Base). Provided via Apify. Priced around 0.02 USD per call.

CSV to JSON / JSON to CSV / csv parser / csv to json converter / json to csv array / tabular data converter / spreadsheet to json / comma separated values parser / data transform. Bidirectional convert between CSV and JSON. CSV first row used as headers.

Can perform deep search on the web using Google Gemini model. | Powered by Questflow

Scheme, type, brand, issuer bank and country, and payout settings for a card BIN.

Mid-market reference rate for a base/quote currency pair, from the European Central Bank.

Check if a username is taken across 10 developer platforms (GitHub, GitLab, Reddit, HackerNews, dev.to, Medium, npm, PyPI, StackOverflow, ProductHunt). Returns per-platform {taken, status, url}. Use ?username=alice or ?username=alice&platforms=github,reddit. Built for AI agents helping pick handles, brand audits.

Chinese dream interpretation / 周公解梦 / Zhou Gong dream dictionary / Chinese dream meaning / 解梦 / dream omen / Chinese folk dream symbolism / what does dream mean Chinese. Look up traditional Chinese dream symbol interpretation. Pass a keyword (animal, situation, object) to get the traditional reading.

Code Repo Lookup — an agent-callable code repo lookup service, payable over x402 (USDC on Base). Provided via 2s.io. Priced around 0.0012 USD per call.

CodeNut Credit x402 Offer - $1 to get 100x worth of CodeNut credits!

Market regime classifier for trading agents — is the tape risk-on or risk-off right now? Returns a regime verdict per book (S&P 500, Nasdaq-100, macro, crypto): trade, be selective, or stand down — with the market-state mode, which sectors are green, and the top-down permission ladder (index → sector → name) saying whether individual names are enterable at all. Refreshed ~5 min in market hours, timestamped. Research, not advice.

Coil Scanner — decide what to trade now instead of rebuilding it. Scored stock rankings for agents: which of ~560 S&P 500, Nasdaq-100 and macro names are set up to buy, with per-name opportunity, entry-timing and hold-strength scores; risk-on / be-selective / stand-down regime verdicts; ranked buy-list lanes; plus a long-only BTC/ETH trend book. Not raw OHLCV (that's free) — the judgment, read top-down. Refreshed ~5 min in market hours, timestamped. Research, not advice.

Compare bridge routes & costs for Base: Across, Stargate, official Base Bridge. Returns routes sorted by cost. Params: ?from=ethereum&to=base&token=USDC&amount=1000

Comprehensive SEO audit of a URL. Checks title, meta description, h1 structure, image alt tags, canonical, robots.txt, sitemap, Open Graph, schema.org, link ratio. SQS: 84/100.

Comprehensive domain reputation report combining RDAP (modern WHOIS), DNS records, email security (SPF/DKIM/DMARC), SSL certificate inspection, and domain age. Returns risk_summary (low/medium/high) and specific risk_reasons. Use ?domain=example.com. Built for fraud detection, marketing list verification, KYA workflows, and security agents.

Convert ADA to USD at live price. Pass ?amount=1 for value in US Dollar. 艾达币兑换美元换算。カルダノを米ドルに換算。Convertir Cardano a dólar. 카르다노를 달러로 환전. ada to usd, Cardano convert.

Convert ATOM to USD at live price. Pass ?amount=1 for value in US Dollar. Cosmos兑换美元换算。コスモスを米ドルに換算。Convertir Cosmos a dólar. 코스모스를 달러로 환전. atom to usd, Cosmos convert.

Convert AUD to USD at live rate. Pass ?amount=100 for value in US Dollar. 澳元兑换美元换算。豪ドルを米ドルに換算。Convertir dólar australiano a dólar. 호주 달러를 달러로 환전. aud to usd convert.

Convert BCH to USD at live price. Pass ?amount=1 for value in US Dollar. 比特币现金兑换美元换算。ビットコインキャッシュを米ドルに換算。Convertir Bitcoin Cash a dólar. 비트코인캐시를 달러로 환전. bch to usd, Bitcoin Cash convert.

Convert between units: length, weight, volume, temperature, area, speed, data storage. Algorithmic — instant. SQS: 98/100.

Convert CAD to USD at live rate. Pass ?amount=100 for value in US Dollar. 加元兑换美元换算。カナダドルを米ドルに換算。Convertir dólar canadiense a dólar. 캐나다 달러를 달러로 환전. cad to usd convert.

Convert CNY to USD at live rate. Pass ?amount=100 for value in US Dollar. 人民币兑换美元换算。人民元を米ドルに換算。Convertir yuan a dólar. 위안를 달러로 환전. cny to usd convert. Accepts payment on Base or Solana — either network works.

Convert DOT to USD at live price. Pass ?amount=1 for value in US Dollar. 波卡兑换美元换算。ポルカドットを米ドルに換算。Convertir Polkadot a dólar. 폴카닷를 달러로 환전. dot to usd, Polkadot convert.

Convert ETC to USD at live price. Pass ?amount=1 for value in US Dollar. 以太经典兑换美元换算。イーサリアムクラシックを米ドルに換算。Convertir Ethereum Classic a dólar. 이더리움클래식를 달러로 환전. etc to usd, Ethereum Classic convert.

Convert EUR to JPY at live rate. Pass ?amount=100 for value in Japanese Yen. 欧元兑换日元换算。ユーロを円に換算。Convertir euro a yen. 유로를 엔로 환전. eur to jpy convert.

Convert HKD to CNY at live rate. Pass ?amount=100 for value in Chinese Yuan. 港币兑换人民币换算。香港ドルを人民元に換算。Convertir dólar de Hong Kong a yuan. 홍콩 달러를 위안로 환전. hkd to cny convert.

Convert KRW to USD at live rate. Pass ?amount=100 for value in US Dollar. 韩元兑换美元换算。ウォンを米ドルに換算。Convertir won a dólar. 원를 달러로 환전. krw to usd convert.