Explore APIs

ETH/USD read straight from Ethereum state, no CEX or API key: the Chainlink ETH/USD feed (latestRoundData) plus the Uniswap v3 WETH/USDC 0.05% pool spot price in one RPC batch. Median of fresh sources, per-source price, feed age and round, spread in bps.

Wallet balance on Base, Ethereum or Solana: give an address, get its ETH or SOL, USDC, USDT and any tokens you list, read live from the chain.

Cheapest end-to-end x402 purchase test. Always returns a 402 challenge without payment and the current full NegPrice decision after a valid USDC payment.

Entry point to the x402 Carbon Retirement API on Base. Returns every endpoint you need plus a live snapshot of the top 3 carbon classes and marketplace listings by liquidity. Discover, quote and certificate are free. Retiring is paid: each retirement costs the credit price plus a fee, sent from your own wallet (prepare/retire) or relayed from a signed USDC authorization (prepare-auth + POST action

Get the latest market quotes for one or more cryptocurrencies.

EDINET filing calendar: annual securities reports (yukashoken hokokusho) filed by Japanese listed companies in a date range. Returns company code, EDINET document ID, fiscal period, accounting standard (JGAAP/IFRS/USGAAP) and the exact filing timestamp for each report — track new disclosures, trigger data pipelines, or find which Japanese stocks just reported. Query: /v2/calendar?from=2026-06-20&t

NattSwap cross-chain swap quote (Li.Fi)

Resolves a provider id (api_football, sportradar, opta, entain, espn) or canonical machina URN to the entity it identifies, with all cross-provider ids attached.

Live current weather conditions for any city, sourced from Open-Meteo. Independently monitored by x402-list.com: 100% uptime since Oct 27, 2026, 14/14 x402 compliance checks (as of Oct 31, 2026). Evidence: https://x402-list.com/services/agentx402pay

Public holidays and business-day check for Norway and 200+ other countries, from the open-source Nager.Date holiday database. Without dato: every public and bank holiday of a year with local and English name and whether it is nationwide or regional. With dato: whether that date is a holiday or weekend, plus the next business day. Use it for deadline and SLA maths, delivery and payroll scheduling,

Parse RSS/Atom feeds into structured JSON. Pay per call with USDC (x402) or credits - archtools.dev

Amazon price + price history + monthly sales by ASIN. One call, one ASIN: current buy box, Amazon, lowest new and used prices PLUS 30/90/180-day price averages and the typical 180-day price range, estimated monthly sales, sales rank, rating, review count, offer count, brand, category, image. From tracked marketplace history, not a page scrape. 11 Amazon marketplaces (domain=us, uk, de, fr, jp, ca,

Signed time-bounded witness of an agent-carried payload digest; the payload stays with the agent

True cost of trading xyz:COIN on Hyperliquid, measured on Vaunt's own IOC taker orders: slippage vs mid (p50/p90 bps), taker fee paid, wall-clock to fill, fill rate, against the venue-class median, plus spread, round-trip cost, depth within 1% and funding APR. Real fills, not quotes.

Real-time web search for AI agents — search the web and get ranked SERP-style results as clean JSON: title, URL, snippet, relevance score, optional LLM-generated answer. Find up-to-date information online — latest news, current events, finance. Date, domain and exact-phrase filters.

Resize an image at a URL to a width, a height or both, keeping the aspect ratio inside the box by default (cover, contain, inside, outside or fill), optionally converting it. Returns a signed URL of the result, valid for an hour.

Encode text or a URL as a QR code: PNG (base64 and a data URL) or SVG, with the size and error correction level you choose.

Currency exchange rates (European Central Bank reference rates) for price conversion, invoicing and travel budgets. Latest or historical by date.

Find Thai subdistricts by name in Thai or English, tolerant of typos and missing tone marks (for autocomplete and address cleanup). Returns ranked matches with district, province, postcode and official names. Query: ?q=ยางเนิง สารภี (optional &limit=1-50, default 10)

Mesmo dado do /verificar-cnpj (situação cadastral, Simples Nacional, endereço) — rota técnica liquidada pelo Facilitador CDP da Coinbase, só pra indexação no Bazaar/agentic.market. Não é um produto novo.

The whole Brazilian market snapshot in ONE call, a third cheaper than one by one: official USD/BRL rate with the live crypto premium, macro indicators (Selic, IPCA, activity) and the latest headlines with sentiment, refreshed every 15 minutes. Same JSON as the single endpoints, keyed by name; 503 and no charge if fewer than half respond. Free sample, no payment: https://api.brazilayer.com/v1/merca

Omni Terminal delivers fresh, deduplicated market-moving news and catalyst context across equities, crypto, macro, and forex for AI trading agents.

Real-time shared bid/ask snapshot data, including crypto pairs and supported equity tickers, from Blocksize Capital.

Wikipedia summary API - the plain-language summary of the best-matching Wikipedia article for a topic or query, in any language. Returns the article title, short description, summary extract, thumbnail image and canonical URL. A wikipedia / encyclopedia lookup for agents grounding answers on a topic. No match returns found:false. Data source: Wikipedia (CC BY-SA 4.0).

Fetch a public URL and return its main readable content as Markdown or plain text, plus title, author, published date and site name. Strips navigation, ads and boilerplate. No JavaScript rendering by default (cheaper than readfetch_scrape); one Chromium fallback when plain HTTP is blocked. Prefer readfetch_fetch when you need raw status, headers, or non-HTML bytes; readfetch_scrape when the articl

Brazil bank lookup by COMPE code or ISPB: short name and full legal name (Central Bank of Brazil registry).

SEC filings lookup: give a US stock ticker or CIK, get the company's recent SEC EDGAR filings (10-K, 10-Q, 8-K and more) with links, plus its profile.

Detects words and lines of text in a photo or screenshot (JPEG or PNG at a URL) with Amazon Rekognition, up to 100 words. Suited to signs, product labels and UI text; for documents use /v1/ocr.

Paid IP intelligence endpoint returning normalized geolocation and ASN data for a single IPv4 or IPv6 address.

Read any company page in real time and return clean structured content, links, metadata, and the detected tech stack. Data is fetched live from the source.