# Services from volkov.evgeny.m2.fvds.ru on Zero

> volkov.evgeny.m2.fvds.ru serves 34 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/volkov.evgeny.m2.fvds.ru
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/volkov.evgeny.m2.fvds.ru/health.json

## Services

- [unprice Feed Page Match](https://www.zero.xyz/c/unprice-feed-page-match-f62f1ae4/llms.txt): $0.025/call via x402. Checks whether a product's price, currency, and availability in a merchant feed match the signals found on the actual product page.
- [unprice Offer Proof](https://www.zero.xyz/c/unprice-offer-proof-c6262cc9/llms.txt): $0.01/call via x402. Fetches and validates structured product offer data (price, currency, availability) from a given URL using JSON-LD schema checks
- [unprice IPFS Gateway (Pay-per-request)](https://www.zero.xyz/c/unprice-ipfs-gateway-pay-per-request-ff7dd6af/llms.txt): $0.003/call via x402. Fetches content from IPFS by CID and returns the text, byte size, and SHA256 hash, billed per-request via USDC on Base using the x402 protocol.
- [unprice Commerce Page Audit](https://www.zero.xyz/c/unprice-commerce-page-audit-723f4240/llms.txt): $0.025/call via x402. Audits a commerce/product page URL and returns a structured score indicating how agent-readable and structured its commerce data is (JSON-LD, Open Graph, microdata, price signals, etc.)
- [unprice Merchant Feed Audit](https://www.zero.xyz/c/unprice-merchant-feed-audit-2593132c/llms.txt): $0.25/call via x402. Audits a Google Merchant Center product feed URL and checks whether listed product URLs match expected content, reporting mismatches and overall verdict
- [Commerce Schema Fix (unprice)](https://www.zero.xyz/c/commerce-schema-fix-unprice-8548bfef/llms.txt): $0.05/call via x402. Audits a product page URL for JSON-LD / commerce schema errors and returns a repair plan with proposed fixes and a structured data score.
- [unprice Contract Info Lookup (Base)](https://www.zero.xyz/c/unprice-contract-info-lookup-base-9d675343/llms.txt): $0.002/call via x402. Looks up whether an Ethereum address on Base is a smart contract and returns basic bytecode metadata, paid per-request via USDC on Base using the x402 protocol.
- [unprice URL Redirect Chain Resolver](https://www.zero.xyz/c/unprice-url-redirect-chain-resolver-e0e94849/llms.txt): $0.002/call via x402. Follows a URL through all its HTTP redirects and returns the full redirect chain plus the final destination URL
- [unprice Balance Lookup](https://www.zero.xyz/c/unprice-balance-lookup-cb3d79bb/llms.txt): $0.002/call via x402. Returns the ETH and USDC balances for a given wallet address on the Base network
- [unprice RSS Feed Parser](https://www.zero.xyz/c/unprice-rss-feed-parser-841bfcd0/llms.txt): $0.003/call via x402. Fetches and parses an RSS feed URL, returning structured JSON with item titles, links, and dates
- [Unprice Sitemap Fetcher](https://www.zero.xyz/c/unprice-sitemap-fetcher-f1350af5/llms.txt): $0.003/call via x402. Fetches and parses the XML sitemap of a given website URL, returning all discovered URLs and their count
- [unprice RSS/Atom Feed Discovery API](https://www.zero.xyz/c/unprice-rss-atom-feed-discovery-api-292232e4/llms.txt): $0.002/call via x402. Discovers RSS and Atom feed URLs for a given webpage URL, returning feed links with their types
- [unprice DNS Nameserver Lookup](https://www.zero.xyz/c/unprice-dns-nameserver-lookup-6afe87f8/llms.txt): $0.002/call via x402. Returns the authoritative nameservers (NS records) for a given hostname via a pay-per-request API using USDC on Base.
- [unprice JSON-LD Extractor](https://www.zero.xyz/c/unprice-json-ld-extractor-6648e8a1/llms.txt): $0.003/call via x402. Fetches a URL and extracts JSON-LD structured data items from the page, returning typed schema.org entities found within it.
- [Unprice Feed Batch Match](https://www.zero.xyz/c/unprice-feed-batch-match-46957b8b/llms.txt): $0.1/call via x402. Audits a batch of product feed URLs, returning per-item match/mismatch verdicts and an overall action-needed assessment
- [unprice Web Page Extractor](https://www.zero.xyz/c/unprice-web-page-extractor-7aae4080/llms.txt): $0.005/call via x402. Fetches a URL and returns its content as plain text, title, and Markdown for a micropayment of $0.005 USDC via x402.
- [unprice HTTP Headers Fetcher](https://www.zero.xyz/c/unprice-http-headers-fetcher-4835c0a7/llms.txt): $0.002/call via x402. Fetches the HTTP response headers of any given URL via a pay-per-request proxy, returning status code and header fields
- [unprice Gas Price API](https://www.zero.xyz/c/unprice-gas-price-api-5189f5d9/llms.txt): $0.001/call via x402. Returns the current Base network gas price in both Wei and Gwei, paid per-request via USDC on Base using x402.
- [Unprice Base Block Lookup](https://www.zero.xyz/c/unprice-base-block-lookup-9fa61222/llms.txt): $0.001/call via x402. Fetches the latest block data from the Base blockchain network, returning hash, block number, network name, and timestamp.
- [Unprice DNS Lookup API](https://www.zero.xyz/c/unprice-dns-lookup-api-e3e50e3c/llms.txt): $0.002/call via x402. Resolves DNS records (A, AAAA, MX, TXT, CNAME) for a given hostname via a pay-per-request endpoint using USDC on Base.
- [unprice OG Metadata Fetcher](https://www.zero.xyz/c/unprice-og-metadata-fetcher-6ac4538f/llms.txt): $0.002/call via x402. Fetches Open Graph metadata (title, description, image, URL) from any web page via a pay-per-request HTTP GET call
- [Unprice Image Extractor](https://www.zero.xyz/c/unprice-image-extractor-c74d4e9d/llms.txt): $0.003/call via x402. Fetches a web page by URL and extracts all image URLs found on that page, returning them as a list
- [unprice Hash Compute API](https://www.zero.xyz/c/unprice-hash-compute-api-be602e21/llms.txt): $0.001/call via x402. Computes a SHA-256 hash and byte size of a given text string, returning cryptographic hash metadata for the input
- [unprice Canonical URL Extractor](https://www.zero.xyz/c/unprice-canonical-url-extractor-3c116a59/llms.txt): $0.001/call via x402. Fetches a webpage and extracts its canonical URL and Open Graph URL metadata via a pay-per-request API using USDC on Base.
- [Unprice Nonce Lookup](https://www.zero.xyz/c/unprice-nonce-lookup-26012e5e/llms.txt): $0.001/call via x402. Returns a nonce value associated with a blockchain address on the Base network, used for payment authentication with the x402 protocol.
- [unprice JSON Fetch API](https://www.zero.xyz/c/unprice-json-fetch-api-b97e3112/llms.txt): $0.003/call via x402. Fetches the JSON response body of any HTTP GET URL via a pay-per-request proxy, returning the parsed JSON data and HTTP status code.
- [unprice Link Extractor](https://www.zero.xyz/c/unprice-link-extractor-587c4849/llms.txt): $0.003/call via x402. Fetches a web page and extracts all hyperlinks found on it, returning them as a list alongside the source URL and link count.
- [unprice Token Lookup — Base ERC-20 Token Info by Address](https://www.zero.xyz/c/unprice-token-lookup-base-erc-20-token-info-by-address-9bf94fac/llms.txt): $0.002/call via x402. Returns on-chain ERC-20 token metadata (name, symbol, address, network, decimals) for a given token address on the Base network, paid per-request via USDC on Base using x402.
- [Unprice Web Page Outline Extractor](https://www.zero.xyz/c/unprice-web-page-outline-extractor-bac62881/llms.txt): $0.002/call via x402. Fetches a URL and returns a structured outline of its headings and metadata as JSON, paid per-request via USDC on Base.
- [unprice /pay/meta — Pay-per-Request URL Metadata Fetcher](https://www.zero.xyz/c/unprice-pay-meta-pay-per-request-url-metadata-fetcher-ea7369b9/llms.txt): $0.002/call via x402. Fetches structured metadata (title, description, key items) from a given URL using a pay-per-request model settled in USDC on Base via x402.
- [unprice robots.txt Fetch](https://www.zero.xyz/c/unprice-robots-txt-fetch-a7e8b7dc/llms.txt): $0.001/call via x402. Fetches the robots.txt file of any given URL via a pay-per-request proxy, returning the raw text and HTTP status.
- [unprice /pay/ping](https://www.zero.xyz/c/unprice-pay-ping-7c67939c/llms.txt): $0.001/call via x402. Health/liveness check endpoint that confirms the x402 pay-per-request gateway is reachable and that a USDC micropayment was successfully processed.
- [Unprice JWT Decode & Verify API](https://www.zero.xyz/c/unprice-jwt-decode-verify-api-4337af74/llms.txt): $0.001/call via x402. Decodes and verifies a JWT token, returning its header, payload, and verification status via a pay-per-request endpoint.
- [Unprice Pay-per-Request Manifest Fetch](https://www.zero.xyz/c/unprice-pay-per-request-manifest-fetch-fba407ba/llms.txt): $0.002/call via x402. Fetches the x402 payment manifest for a given URL, returning manifest metadata and manifest URL via a pay-per-request micropayment API

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)