unichain address snapshot (0x..40hex): balance_wei, nonce, is_contract on a chainId-verified RPC.

unichain read-only RPC: allowlisted no-param reads or bounded caller method (eth_blockNumber/eth_chainId/... ). 1MiB cap.

Escrow dispute-window clock: opened_at + period_seconds vs evaluation_time -> dispute_open|dispute_expired|insufficient_evidence. Signed, deterministic.

Return the best cross-venue prediction-market spread.

Latest official macro print (cpi|nfp|unemployment) from BLS public API: value + period + release framing. Signed.

DNSSEC status for a domain via DNS-over-HTTPS cross-checked on two public resolvers: AD flag, DS at the parent, DNSKEY presence, and broken-chain detection. Machine-readable status: secure / unsigned / broken_chain_ds_without_dnskey / signed_not_validated_by_resolver.

ERC-20 balanceOf + metadata (symbol/decimals/name) on any supported chain, gate-verified eth_call, exact formatted amount.

Check whether an agent-held receivable is factoring-ready and get a signed ready|not_ready verdict with blocking findings.

optimism tx lookup (0x..64hex): eth_getTransactionByHash + receipt; tx_not_found is a valid $0.01 verdict.

Macro time series for any country from World Bank Open Data: inflation, GDP, GDP growth, unemployment, population, central-government debt (% GDP). Multi-country, configurable year window. Source: World Bank Open Data (CC BY 4.0; attribution returned in every response).

Breach disclosures from Telegram. Filters: sector, country, organization, severity, min_confidence, since, limit. Returns items[] with target{sectors,countries,organizations}, leak iocs[], confidence.

worldchain gas snapshot: eth_gasPrice + maxPriorityFee on a chainId-verified keyless RPC.

New token-pair digest since a timestamp with a signed pre-trade risk verdict per pair (liquidity/freshness).

$0.0003/MP. Tile many images into one thumbnail-grid PNG — visual index in a single call. 1¢ x402 min; remainder auto-credits — relaystation.ai/penny

Signed stateless anomaly verdict over an agent transaction log: spikes, merchant concentration, overnight volume, vendor drift, burn-rate, duplicates.

worldchain read-only RPC: allowlisted no-param reads or bounded caller method (eth_blockNumber/eth_chainId/... ). 1MiB cap.

$0.0001/call. Decode a JWT's header and payload (no verification) — inspect claims fast. 1¢ x402 min; remainder auto-credits — relaystation.ai/penny

Dark web intelligence from Telegram: marketplace listings, forum chatter, access broker posts, credential shops, Tor site activity. Filters: severity, min_confidence, since, tag, sector, country, organization, limit, offset.

Checks a claim against passages you paste, using independent open-model families on Together.ai (glm, kimi, deepseek, qwen, minimax). Returns each family's vote (supported, contradicted or insufficient) with the passages it quoted, each marked found or not found verbatim in your sources, plus counts; no single verdict. Pasted text only. Requests too long for every family to answer within Assay's spending caps get 413 and are not charged. Payment on Base mainnet.

Deterministic Unicode text statistics: UTF-16 units, Unicode code points, UTF-8 bytes, line count, and Japanese script counts.