Ethereum blob usage (EIP-4844, the data rollups post): current blob base fee in gwei and USD cost of one blob, blobs per block over the last N blocks and how often block…
Postal code lookup in more than 60 countries (ES, US, DE, FR, GB, IT, MX, BR...): places, province or state and coordinates.
Test a regular expression against a text: every match with position, groups and named groups, plus the result of a substitution if you pass a replacement. Flags i, m, s,…
Postal code lookup in more than 60 countries (ES, US, DE, FR, GB, IT, MX, BR...): places, province or state and coordinates.
Test a regular expression against a text: every match with position, groups and named groups, plus the result of a substitution if you pass a replacement. Flags i, m, s,…
Primary (favourite) .sol domain of a Solana wallet, read on-chain and checked that the wallet still owns it.
Spanish public procurement tenders from official PLACSP open data (Plataforma de Contratación del Sector Público): search open calls by keywords, CPV code, province, con…
Spanish public contracts awarded to a company, or by a contracting authority, from official PLACSP open data: winners, awarded amounts (VAT excluded), dates and official…
NFT lookup (ERC-721 / ERC-1155): collection name, owner, token URI and metadata (name, description, image, attributes).
One address across five EVM chains (Base, Ethereum, Arbitrum, Optimism, Polygon): native coin and USDC balance per chain and total USD value.
Internal transactions of an EVM address (native coin moved by contracts, invisible in the normal history): date, type, from, to, value, success and parent transaction.
Check whether a crypto address (Bitcoin, Ethereum/EVM, Tron, Solana, Litecoin, Monero...) is on the US OFAC SDN sanctions list: sanctioned person or entity, program (cou…
Monthly US federal receipts, outlays and deficit (or surplus), plus the trailing 12-month deficit, from the Monthly Treasury Statement. US Treasury, public domain.
Ask the XH Agents knowledge base (15 field notes on infrastructure, x402 and agent tooling)
Find Legal Entity Identifiers by legal name, optionally filtered to an ISO 3166-1 alpha-2 country. Returns matching entities with their LEI, verified legal name, registr…
Grounded local search over Google Maps places with ratings, address and hours.
OpenAI image generation (gpt-image-2.5, gpt-image-2, gpt-image-1.5, gpt-image-1, gpt-image-1-mini, chatgpt-image-latest), paid per call in USDC. OpenAI list rates per 1M…
Screen a crypto wallet address against the OFAC SDN sanctions list (US Treasury Specially Designated Nationals) before transacting. Multi-chain across ~20 assets (BTC, E…
Multi-gate compliance verification: IBAN validation, sanctions screening, onchain address validation with XDR-1 signed receipts. x402 economy/standard/premium tiers.
The full launch record of a Solana wallet from our own live recording: how many tokens it deployed, how many reached the exchange, its graduation rate against measured b…
Reviewer quality lookup. Returns quality score and review history for a wallet address that has left ERC-8004 feedback.
Bitcoin protocol and software changes as JSON: Bitcoin Core merges and releases, BIP updates, Lightning spec and implementation changes. Each item has status (proposal,…
Purchase and download the Broken Key Remapper software (one-time license).
Business Frameworks business-frameworks/value/[email protected] — Why value is the objective, and what moves it. Call when an agent needs the operating logic behind value before u…
