7 Services from x402-catalog-history.ai-business-surface.workers.dev

Computes full IPv4 subnet details (network, broadcast, netmask, host range, counts, and scope flags) from a CIDR notation input in a single GET request.

Returns all public holidays for a given country and year, including dates, local and English names, types, weekday, and days-from-today offsets, sourced live from Nager.Date.

Parses a single absolute HTTP(S) URL into its components: scheme, host, port, origin, path, path segments, query parameters (with duplicates), fragment, and normalized href — without fetching or storing anything.

Returns real-time gas prices (in gwei and wei) for up to five EVM chains — Base, Ethereum, Arbitrum, Optimism, and Polygon — including base fee, priority fee, next block base fee, and block metadata, sourced directly from public RPCs.

Picks a specified count of random items from a user-supplied list using cryptographically secure randomness, returning the chosen items and their 0-based indices

Fetches and normalizes the output contract declared by any x402 paywalled URL, listing field names, types, required flags, and examples before you pay.

Delivers a comprehensive guide for building and operating x402-protocol payment-gated endpoints, including 402 challenge format, facilitator verification rules, delivery evidence, and USDC receiving setup on Base.