# Services from chain.tollkit.dev on Zero > chain.tollkit.dev serves 20 paid API services for AI agents, indexed by Zero. Each is callable per call with payment handled by Zero. Canonical page: https://www.zero.xyz/host/chain.tollkit.dev Live health (JSON, refreshed every minute): https://www.zero.xyz/host/chain.tollkit.dev/health.json ## Services - [Crypto Token Price (USD)](https://www.zero.xyz/c/crypto-token-price-usd-4658285e/llms.txt): $0.001/call via x402. Returns the current USD price of an ERC-20 or SPL token on Base, Ethereum, or Solana, sourced from on-chain DEX pool data. - [Pre-Trade Token Check](https://www.zero.xyz/c/pre-trade-token-check-aebaed95/llms.txt): $0.01/call via x402. Fetches on-chain token facts, current price, wallet position, pool depth, and trade impact estimate before executing a trade on Base, Ethereum, or Solana. - [Token Info](https://www.zero.xyz/c/token-info-8619456c/llms.txt): $0.002/call via x402. Returns metadata for a specific ERC-20 or SPL token (name, symbol, decimals, total supply) on Base, Ethereum, or Solana - [Wallet Portfolio Value](https://www.zero.xyz/c/wallet-portfolio-value-0b3ecd20/llms.txt): $0.005/call via x402. Returns the total portfolio value and token holdings (native coin, USDC, USDT, and specified tokens) for a wallet address on Base, Ethereum, or Solana with real-time USD prices from on-chain pools. - [Tollkit SEC Financials Extractor](https://www.zero.xyz/c/tollkit-sec-financials-extractor-69790c06/llms.txt): $0.004/call via x402. Fetches SEC financial data for a US-listed company identified by CIK or ticker symbol, paid per-call via x402 in USDC with no account required. - [Tollkit Attest](https://www.zero.xyz/c/tollkit-attest-7da9e5fe/llms.txt): $0.05/call via x402. Creates a timestamped, cryptographic attestation of a web page's content (text and optional screenshot hash) for evidentiary or audit purposes. - [Tollkit Extract](https://www.zero.xyz/c/tollkit-extract-1a0c5bff/llms.txt): $0.01/call via x402. Extracts structured product data from a single product page URL, paid per-call in USDC via x402 with no account or API key required. - [Tollkit SEC Company Filings Lookup](https://www.zero.xyz/c/tollkit-sec-company-filings-lookup-d318ae3c/llms.txt): $0.002/call via x402. Retrieves a list of SEC filings for a given company by ticker symbol or CIK, optionally filtered by form type. - [Transaction Lookup](https://www.zero.xyz/c/transaction-lookup-db1bf949/llms.txt): $0.002/call via x402. Looks up on-chain transaction details by hash on Base, Ethereum, or Solana, paid per-call via x402 in USDC with no account required. - [Wallet Balance](https://www.zero.xyz/c/wallet-balance-c79383d0/llms.txt): $0.002/call via x402. Fetches native and ERC-20/SPL token balances for a given wallet or contract address on Base, Ethereum, or Solana, paid per-call via x402 in USDC. - [Tollkit Extract (Batch)](https://www.zero.xyz/c/tollkit-extract-batch-75fc7f18/llms.txt): $0.04/call via x402. Extracts structured product page data from up to 5 URLs in a single pay-per-call batch request, paid inline with USDC via x402 — no account or API key required. - [Tollkit Extract](https://www.zero.xyz/c/tollkit-extract-9269ef48/llms.txt): $0.002/call via x402. Extracts structured content from any public web page URL, including JavaScript-rendered pages, paid per-call via x402 in USDC with no account or API key required. - [Tollkit Summarize](https://www.zero.xyz/c/tollkit-summarize-93e3936b/llms.txt): $0.005/call via x402. Summarizes a block of text into a concise output of up to 250 words, paid per-call via x402 in USDC with no account or API key required. - [Tollkit Screenshot](https://www.zero.xyz/c/tollkit-screenshot-7dda6570/llms.txt): $0.003/call via x402. Captures a full-page screenshot of any public URL at 1280x800 resolution, billed per-call via x402 micropayment in USDC on Base or Solana. - [Token Safety Check](https://www.zero.xyz/c/token-safety-check-fef4a4b3/llms.txt): $0.004/call via x402. Checks the safety and risk profile of an ERC-20 or SPL token contract on Base, Ethereum, or Solana - [Tollkit Extract – Brief](https://www.zero.xyz/c/tollkit-extract-brief-5acc8b82/llms.txt): $0.007/call via x402. Extracts a concise summary of a product page from a given URL, paid per-call via x402 in USDC with no account or API key required. - [Tollkit Extract](https://www.zero.xyz/c/tollkit-extract-17cba731/llms.txt): $0.002/call via x402. Extracts structured data from product pages via a pay-per-call POST endpoint, billed in USDC using the x402 protocol on Base or Solana — no account or API key required. - [Tollkit Extract – SEC Filings Lookup](https://www.zero.xyz/c/tollkit-extract-sec-filings-lookup-7b8a2190/llms.txt): $0.006/call via x402. Returns a list of recent SEC filings for a given US public company, identified by stock ticker or CIK number, filtered optionally by form type. - [Tollkit Weather Forecast](https://www.zero.xyz/c/tollkit-weather-forecast-fdf61593/llms.txt): $0.002/call via x402. Returns up to 14 12-hour forecast periods for a given US location specified by latitude/longitude or street address, paid per-call via x402 in USDC. - [Tollkit IP Lookup](https://www.zero.xyz/c/tollkit-ip-lookup-dc039a34/llms.txt): $0.002/call via x402. Looks up geolocation and metadata for a given IPv4 or IPv6 address, payable per-call via x402 in USDC with no account or API key required. Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently. - [Zero catalog index](https://www.zero.xyz/llms.txt)