Forward + reverse ENS resolution on Ethereum mainnet: turn vitalik.eth into an address, or an address into its primary ENS name. Complements the Basename resolver for Base.

A, AAAA, MX, TXT, NS, CNAME. 🆓 5 free trial calls per signed wallet

Calculate the capitalization rate (cap rate) for real estate: NOI divided by property value, as a percentage. Provide noi and value.

Shipment costs - String normalisation: String normalisation for Shipment costs. Up to 200 supplied typed records. Local numeric and data-quality processing; no external enrichment or forecasting. One of 25 profiles or calculations across 20 shared operations in this sector. 0.01 USDC includes one bounded string normalisation deliverable.

Composite transformation: extracts structured data, entities, tables, and stats from text. One call replaces 4 endpoints.

Validate cosmos.config.json: Validate a JSON document for cosmos.config.json. Uses a pinned SchemaStore definition on this PC. Reports JSON pointers and rule violations. Up to 100 KB per document; no YAML/TOML parsing or deployment/security guarantee. 0.01 USDC includes one JSON document validation.

Hacker News front page right now — Genesis402 / UnyKorn Operator Network

Change audit: debugsettings.json: Audit JSON changes and validate before/after for debugsettings.json. Uses a pinned SchemaStore definition on this PC. Reports JSON pointers and rule violations, added/removed/changed paths and introduced/resolved errors. Up to 100 KB per document; no YAML/TOML parsing or deployment/security guarantee. 0.01 USDC includes one two-document change audit.

Validate rc3 settings: Validate a JSON document for rc3 settings. Uses a pinned SchemaStore definition on this PC. Reports JSON pointers and rule violations. Up to 100 KB per document; no YAML/TOML parsing or deployment/security guarantee. 0.01 USDC includes one JSON document validation.

Decode EVM calldata. 🆓 5 free trial calls per signed wallet

Validate an IPv4 address: four dot-separated octets each 0-255. Provide value or input.

Price impact for an Arc token: what buying and selling $10, $100 and $1,000 would really get, each quoted by the Uniswap v4 Quoter on the token's deepest USDC pool (simulated, nothing spent). Pass ?token=0x.... Returns the mid price, the pool and its fee, and for each size the tokens or USDC out, the effective price and the cost or loss against the mid price (fee and impact included). A pool whose hook refuses quotes, no USDC pool or a failed read is refused before payment.

Crypto token price in USD, read on chain from Chainlink price feeds on Ethereum: pass ?symbols=ETH,BTC,SOL (up to 5) and get each price with its feed address, round id and how old the round is, so the number can be checked. Feeds are found by their public ENS names; a retired or unknown feed is refused before any charge.

Current Bitcoin block height — Genesis402 / UnyKorn Operator Network

Validate Grunt clean task: Validate a JSON document for Grunt clean task. Uses a pinned SchemaStore definition on this PC. Reports JSON pointers and rule violations. Up to 100 KB per document; no YAML/TOML parsing or deployment/security guarantee. 0.01 USDC includes one JSON document validation.

Change audit: cloudify: Audit JSON changes and validate before/after for cloudify. Uses a pinned SchemaStore definition on this PC. Reports JSON pointers and rule violations, added/removed/changed paths and introduced/resolved errors. Up to 100 KB per document; no YAML/TOML parsing or deployment/security guarantee. 0.01 USDC includes one two-document change audit.

Change audit: Ruff: Audit JSON changes and validate before/after for Ruff. Uses a pinned SchemaStore definition on this PC. Reports JSON pointers and rule violations, added/removed/changed paths and introduced/resolved errors. Up to 100 KB per document; no YAML/TOML parsing or deployment/security guarantee. 0.01 USDC includes one two-document change audit.

ENS resolve on Ethereum: a .eth name to its address (?name=vitalik.eth), or an address to its primary ENS name (?address=0x...), forward-verified so a reverse record pointing elsewhere is never returned as the name.

Search API for AI agents: web or news search with up to 30 results per call, each with a title, URL and a query-relevant excerpt. Filter by site, or by category: developer (repos, issues, docs), GitHub or PDF. Fast, about a second. Pay per call in stablecoins.

Change audit: hitf-cli-md: Audit JSON changes and validate before/after for hitf-cli-md. Uses a pinned SchemaStore definition on this PC. Reports JSON pointers and rule violations, added/removed/changed paths and introduced/resolved errors. Up to 100 KB per document; no YAML/TOML parsing or deployment/security guarantee. 0.01 USDC includes one two-document change audit.