Crypto & Web Data API for Agents

Checks and payment terms on this page refer to the endpoint above. Other listed endpoints have not been checked individually.

Base URLhttps://crypto-web-data-api.crypto-web-data-api-worker.workers.dev/api/v1

• GET/market/overview$0.005Crypto market snapshot: Fear & Greed index, total market cap and volume, BTC/ETH dominance, 24h change, top 5 gainers and losers among liquid pairs.
• GET/company$0.01Company profile from a domain: name, description, logo, social profiles (X, LinkedIn, GitHub, Telegram, Discord), public emails and phones, address, tech stack, email provider and domain age. For lead research, due diligence and KYB.
• GET/youtube/transcript$0.01Transcript of a YouTube video (manual or auto subtitles) as plain text, optional timestamps, with title and channel. Use to summarize or quote videos.
• GET/candles$0.01Binance OHLCV candles with ready indicators: RSI14, SMA20, SMA50, ATR14, volatility and a trend label. Intervals 1m to 1w. Use for technical analysis without computing anything.
• GET/pdf$0.01Extract the text of a PDF by URL (up to 15 MB), page by page, with title, author and page count. Use to read reports, papers, whitepapers and filings.
• GET/evm/balance$0.003Wallet balances on Base, Ethereum, Arbitrum, BSC, Polygon, Optimism and Avalanche in one call (chain=all): native coin, USDC, USDT, DAI and wrapped native with USD values; custom ERC-20s on a single chain.
• GET/evm/address$0.001Is an address a wallet, a contract or an EIP-7702 delegated account? Nonce and native balance on one or all EVM chains. $0.001.
• GET/ens$0.002ENS resolution: name.eth -> address, or address -> verified primary name, plus avatar, url, X/Twitter, GitHub and other profile records.
• GET/prices$0.01Prices for up to 20 coins at once from Binance, Bybit, OKX, Kraken and Coinbase with the median and the max deviation between exchanges. One call instead of dozens.
• GET/search$0.005Web search for agents: up to 20 organic results with title, URL, snippet and domain, no ads. Pair with /api/v1/fetch to read a result as Markdown.
• GET/polymarket$0.01Polymarket prediction markets matching a query or the most traded ones: outcome probabilities, 24h volume, liquidity, 24h change and end date.
• GET/defi/yields$0.01Best DeFi yields from DefiLlama filtered by chain, token, stablecoin-only, project and minimum TVL, sorted by APY, with base/reward APY, 30-day mean and IL risk. Outliers removed.
• GET/price$0.005Last Binance spot price for a trading pair such as BTCUSDT or ETHUSDT. Use when an agent needs a fresh crypto price. Cached up to 5 seconds.
• GET/news/search$0.003Search recent news about any topic, company, person or token: headline, source, link, publish time. Filter by language, country and age (when=1h, 1d, 7d).
• GET/fetch$0.005Read any public web page as clean Markdown for an LLM: main content without menus, scripts or ads, plus title, description, language and links. For agents without a browser.
• GET/fx$0.003Convert an amount between ~60 fiat currencies (ECB and National Bank of Ukraine rates, UAH included) and major crypto (BTC, ETH, SOL, USDT...).

A dash means the listing gives no price or method. Copy buttons copy the full URL.

Showing 16 of 16 listed endpoints.