Every agent-payable API.

Bitcoin mempool stats + recommended fee rates (sat/vB) from mempool.space. Block height, pending tx count, fastest/30min/1hr/economy fees.

Spot USD price of gold, silver, platinum and palladium, returned as one normalised list keyed by ISO symbol (XAU/XAG/XPT/XPD) with human names attached — the metals leg of a macro, inflation-hedge or collateral judgement in a single call.

Top coin categories ranked by market cap: DeFi, NFTs, L1, L2, gaming, etc. 24h change, volume, top 3 coins per category (CoinGecko).

What has this token done over the last N days? Up to 365 days of OHLCV returned candlestick-ready, with the period price change already computed — a chart or backtest input in one call instead of a raw series you have to align and diff yourself.

Current weather + multi-day forecast for any city or lat/lon via Open-Meteo. Temperature, humidity, wind, precipitation, WMO condition codes.

DeFi protocol TVL ranking (7742+ protocols): top protocols by TVL with chain breakdown, 1d/7d change. Filter by chain or category (DeFiLlama).

Current US weather conditions (temp in C+F, humidity, wind, pressure, description) from the NWS for coordinates OR a US address (auto-geocoded).

Extrae el contenido de una URL y lo devuelve limpio en Markdown/HTML para el contexto de un LLM.

Free-text web search, returns title/url/snippet list (DuckDuckGo).

Structured parse of a public web page: main text, headings, links, tables and rich metadata (description, canonical, lang, Open Graph, Twitter cards, JSON-LD) as separate fields. Browserless, robots.txt-respecting.

Should I submit this Base transaction now, and at what fee? One call returns submit-or-wait, max fee per gas and priority fee in gwei (EIP-1559), and the estimated cost in USD for an ETH transfer, USDC ERC-20 transfer, or x402 settlement on Base mainnet. Live gas price and congestion from Base RPC blocks, no API key. For bots that queue transactions: call before every send.

Learning-only BOJ-themed macro snapshot API for x402 v2 Base mainnet verification.

What tickers 4chan's finance board (/biz/) is buzzing about most over the last 24h, ranked by mention volume. Each ticker carries its mention count and 24h change in rank and mentions (4chan has no upvotes, so upvotes is always 0). No ticker needed; ?page= to paginate (100 per page). A raw read of /biz/ chatter, separate from the Reddit feed. From x402stock

On-chain x402 settlement summary for an address from the decentralized x402 Base subgraph on The Graph Network. POST {address}. Returns lifetime stats as payer + recipient (totalPayments, totalVolume, first/last seen), recent 10 payments each direction, facilitator metadata if applicable, plus indexed_through_block for freshness. Decentralized, verifiable. Distinct from /ask. $0.01 USDC on Base.

Aerodrome DEX pool risk assessment — checks both tokens for honeypots and rug vectors

Bundled execution of the Email deliverability workflow - Diagnose why a domain's email lands in spam: SPF posture, DMARC policy, DKIM key strength, MX targets, and a composite 0–100 score. One x402 payment runs 6 underlying tools (spf-check, dmarc...

Recall remembered text by similarity to a query (ranked by cosine similarity), not by exact key. Returns the top-k matches with scores. The retrieval half of the wallet-scoped semantic memory.

Bundled execution of the API investigation workflow - Point at an unknown API endpoint and figure out how to use it: auth scheme, content type, version, rate limits, OpenAPI/Swagger spec discovery, and JSON response structure. The deterministic re...

Recent SEC filings for a company by ticker or CIK, newest first. Optionally filter by form type (10-K, 10-Q, 8-K, 4, S-1, etc.). Each row links to the primary document on SEC.gov. Source: data.sec.gov/submissions (public domain). ?ticker=AAPL&form...

Latest crypto token prices by ticker symbol, CoinGecko id, or chain:address (BTC, ETH, SOL, or base:0x…): current spot price, token symbol, decimals, and a confidence score, for up to 50 coins in one call. Pass ?at=<unix> for the historical price at a point in time. Sourced from DefiLlama across every major chain.

Previous trading day OHLC bar for stocks, crypto, forex and options — yesterday's open/high/low/close and volume by ticker.

Building permit records. Construction and building permits across Chicago, NYC, Seattle, and San Francisco — type, status, address, cost, and issue date.

Latest-day Deribit IV term structure for one asset — per-tenor ATM IV, 25-delta risk reversal, butterfly, plus current put/call OI ratio. BTC and ETH only. Feeds the OPT factor class; use for skew reads and vol-term structuring.

Start the "Instagram Scraper" Apify actor (apify/instagram-scraper). Scrape and download Instagram posts, profiles, places, hashtags, photos, and comments. Get data from Instagram using one or more Instagram URLs or search queri…

Canonical token addresses and metadata per chain

ADX-based chop-vs-trend detector for an asset/timeframe: is price trending or stuck in a range? Returns a boolean + chop score. Use to avoid trend strategies in chop (and range strategies in trends).

Capture a screenshot of any URL or HTML. Returns a PNG or JPEG image. Supports full-page, element selection, custom viewport.

Curated Bitcoin coinbase scriptSig messages (printable ASCII only). Pool tags, BIP-comment campaigns, political statements. Window up to 7d.

OpenAI-compatible chat completions backed by DeepSeek (GET probe variant). Answers open-ended questions and returns reasoned analysis.

DeFi TVL by chain and top protocols (DeFi Llama)

Global US House Periodic Transaction Report activity for stock-backed trades. Supports overview, latest disclosures, focused buys/sells, active tickers, active members, days, view, and limit.

Recent stock trades disclosed by US members of Congress under the STOCK Act, parsed live from official House and Senate Periodic Transaction Reports: per trade the member, chamber, ticker, asset, buy/sell type, date, and disclosed dollar range. ?chamber=house|senate|both, ?ticker=AAPL, ?limit= recent filings per chamber (max 20). From US House & Senate. From x402stock

Heuristic ethics and constitution-style review of a prompt excerpt. Returns pass/fail, violation flags, and severity for agent policy screening.

The weekly CFTC Commitments of Traders positioning across major futures markets in one call: for each market the open interest, non-commercial (large speculator) net position and weekly change, and commercial (hedger) net position. Covers equity indices, gold/silver, crude/natural gas, major FX, the 10-year note, and bitcoin. No ticker needed. Sourced from the US CFTC. From x402stock

DNS propagation checker. Compares a DNS record across public resolvers (Google, Cloudflare, Quad9, OpenDNS) to spot propagation lag or split-horizon answers.

Darrylbots paid research: Standard Stock Screen: Quality, Momentum, and Durable Execution

Enrich Company — merged 30+ field profile from Apollo, Crustdata, and PeopleDataLabs: revenue, headcount, industry, funding, valuation, tech stack, social profiles, SIC/NAICS codes, HQ address.

Current protocol TVL by DefiLlama — the single latest total-value-locked number for one protocol by slug.

Returns a computed disruption score, total events, top industries, and the largest filings within a radius (up to 500 miles) of a ZIP — use it to size territory-wide workforce risk

Converts any URL (PDF, webpage, Google Doc) to clean Markdown with optional AI summary. $0.05/convert via x402 on Base.

Eu Gdp — an agent-callable eu gdp service, payable over x402 (USDC on Base). Provided via Apify. Priced around 1 USD per call.

Fast EVM smart-contract malicious-pattern triage. Returns risk score, verdict, top flags, and Phase-6 counterparty intel within ~30s for a single address.

FDA catalysts for a pharma/biotech/medtech company, from openFDA. Pass `?company=Medtronic` (required) plus `?limit=` (max 50). Returns `drug` (recalls + approvals) and `device` (510(k) clearances, PMA approvals, recalls) sections, each with recent items, match totals, and official FDA links. One call across 5 FDA datasets. From x402stock, a market & economic data API (x402, USDC).

The current US stock-market Fear & Greed index (0–100, CNN-style) with its sentiment rating and all five weighted components — volatility, momentum, put/call, safe-haven demand, junk-bond demand — each with value, weight, and reading. Includes the last 30 days of scores and a backtest of S&P 500 forward returns by sentiment zone. A one-call read of market mood. From x402stock

Bitcoin smart-fee curve for 1/3/6/12/24/144-block confirmation targets + trend classification (rising/stable/falling/surging) from 2h moving average.

Full-text search across every SEC EDGAR filing since 2001. Find filings mentioning a keyword or exact phrase via ?q=, narrow by ?forms=10-K,8-K, ?ticker=, and ?startdt=/?enddt= dates, and cap with ?limit=. Returns each match's form, filer, date, and a link to the document. Sourced from SEC EDGAR. From x402stock, a market & economic data API (x402, USDC).

Full text and open-access PDF retrieval for a paper. Given an arXiv id, DOI, OpenAlex id, PMID, or PMCID, returns the readable body split into sections (introduction, methods, results) plus the open-access PDF location: arXiv via ar5iv, biomedical via Europe PMC, OA locations via OpenAlex for the rest. The 'now read it' call after a paper search. Keyless.

Greatest common divisor and least common multiple of two or more integers, computed exactly (arbitrary precision). Useful for cycle alignment, scheduling periods and fraction work. Signs are ignored; a zero makes the LCM zero. Results beyond 2^53 come back as strings so no digit is lost.

SociaVault API proxy — instagram-reels. Query/body matches https://docs.sociavault.com/api-reference/openapi.json. GET/POST per route; x402 per call. $0.014 USDC per request.

Gbp Cny — an agent-callable gbp cny service, payable over x402 (USDC on Base). Provided via Apify. Priced around 0.01 USD per call.