Compute keccak256/sha256, a 4-byte function selector, an event topic0, or an ENS namehash/labelhash from a string or hex input.

Current mid price for every Hyperliquid asset (perps + spot) in one call — a fast whole-venue price snapshot.

Get real-time Best Bid/Ask for any FX pair, aggregated from multiple institutional liquidity providers. 62-88% tighter spreads than any single source. Includes quality metadata (fresh_sources, quality_state, spread_vs_single_source). Supports 14 FX pairs including EURUSD, USDJPY, GBPUSD, AUDUSD, AUDNZD, and XAUUSD. AI agent API for forex trading signals, portfolio valuation, price comparison, and arbitrage detection. Accepts USDC payments on Base and Solana

Does this Gainesville, Florida address have open code enforcement cases? Query a street address and get case numbers, types, status, and parcel from city open data. For landlord diligence and agent workflows. Input: address string. Output: JSON, live City of Gainesville open data.

Does this Orlando address hold a short-term rental license? Query any street address in Orlando, Florida and get license number, status, issued/expire dates, and holder name. For host compliance and agent workflows. Input: address string. Output: JSON, live City of Orlando open data.

Company intelligence lookup: resolve a US-listed company ticker through the SEC EDGAR company ticker dataset. Returns CIK, ticker, and registrant name for company research, SEC filing discovery, and equity due diligence.

Look up an ENS name or an Ethereum address and get back the matching one, automatically figuring out which direction you need.

Authenticity trend for a Solana token — current wash metrics vs the server's own hourly snapshot history (tamper-proof baselines). Trend: STABLE / DEGRADING / IMPROVING / NO_BASELINE. Call this to see if a token's trading character is deteriorating since you first looked. — $0.01 USDC

Return bounded factual eth_estimateGas units and recent eth_feeHistory execution-fee evidence for one unsigned Ethereum or Base transaction. Not execution, signing, custody, trading, or a guaranteed final cost. Call when you need point-in-time gas units and recent execution-fee context before signing or submitting.

Produce a factual snapshot of current x402 payment authority for one unpaid v2 requirement and one public EVM payer: selected scheme/network/asset/amount/payTo/transfer method, same-block token balance, canonical token-spender allowance when that path applies, and declared recovery-path classification. Does not sign, approve, construct a transaction, judge native gas, or recommend whether to buy.

Solana token price and liquidity before you swap: one cheap per-mint market-data call returning the live price and liquidity depth, sourced from Jupiter and Helius. The pre-trade numbers when you do not need the full due-diligence report. — $0.01 USDC

Email deliverability & domain security check — validates SPF, DKIM (multi-selector), and DMARC, detects spoofing and misconfigurations, and returns an A–F email security grade with transparent deductions. Anti-spam / anti-phishing readiness for any sending domain.

Latest Stock Trends Inference Model (ST-IM) outputs for a symbol: forward return expectations and statistical distributions across 4-week, 13-week, and 40-week horizons. Use /v1/meta/stim for ST-IM provenance, base-period context, and interpretation limits.

Signed time-bounded witness of an agent-carried payload digest; the payload stays with the agent

Web scraping and extraction credit pack for AI agents: 10 accepted public-URL clean-text reads at a micro-price with no scraper subscription.

Extracts live, clean markdown from a page after nav, ads, and scripts are stripped. Can also be used by site owners auditing AI readability: see what survives for AEO, GEO and AI search. Obeys robots.txt. Supports GET & POST

The Standard Reserve (TSR), an on-chain reserve protocol on Robinhood Chain. OHLC price candles for the STANDARD/ETH pool, priced in ETH per STANDARD.

Is the stock market open right now? Deterministic market-status and trading-hours for the major global exchanges — NYSE, NASDAQ, LSE, Xetra, Euronext, TSE/JPX, HKEX, SSE, ASX, TSX, SIX, NSE/BSE. Returns is_open plus why it is shut (weekend, holiday, lunch break, pre/after-hours), the exchange local time, and the next open and close as ISO timestamps. Pass ?at= for any past or future moment. Zero external calls, sub-second, cacheable.

CoverBureau: pay-per-call compliance checking for US certificates of insurance (ACORD 25). Needs NO document: give an NAIC number or carrier name plus a state, and get recognition status, financial-strength rating, and whether it meets your threshold. Use it when you have a carrier but no certificate; validate_coi already checks the carrier when you do. Carrier data is a seed dataset; each response reports its status. Ed25519-signed; pay per call in USDC on Base via x402, no account.

Multi-model chat completions. POST messages[] and set model to any LLM id from GET /v1/models; dynamic USDC pricing scales with model and token usage. Hero: GET /heroes/chat-completions.