Notarize an AI agent decision, audit record, or any payload to Base mainnet. Submit SHA-256 hash + metadata; get a tamper-proof verifiable receipt immediately. Merkle proof and on-chain anchor_tx available free after batch (~120s). Use Idempotency-Key to prevent double-charges on retry.

Get historical exchange rates between two currencies. Returns daily rates, average, min, max, change percentage.

One section of the FDA MoCRA Cosmetics Direct facility + SKU listing gap pack (5066/5067 path): ops_checklist, intake_fields, or do_not, plus buyer and trigger. Pass ?section=ops_checklist|intake_fields|do_not. JSON. Full pack: /v1/mocra-listing-gap ($0.06). Do not sign as responsible person. Ops checklist only; not legal advice. Unknown section returns 404, not charged.

One section of the CPSC Children's Product Certificate / General Certificate of Conformity SKU field map (16 CFR 1110 eFiling): ops_checklist, intake_fields, or do_not, plus buyer and trigger. Pass ?section=ops_checklist|intake_fields|do_not. JSON. Full pack: /v1/cpsc-cpc-sku-map ($0.08). Client attests; broker files. Ops checklist only; not legal advice. Unknown section returns 404, not charged.

One domain of the ecommerce compliance ops pack: Prop 65 60-day-notice SKU file, FTC click-to-cancel (ROSCA) consent audit, or packaging EPR SKU filing. Buyer, triggers, intake fields, ops checklist, do-nots. Pass ?domain=prop65|ftc-rosca-cancel|packaging-epr. JSON. Full pack: /v1/compliance-pack ($0.12). Not legal advice or certification. Unknown domain returns 404, not charged.

Screen a wallet address before you transact with it: sanctions check against the OFAC SDN digital-currency address list and UN consolidated list (refreshed daily, matched locally), plus free on-chain signals on Base — contract vs EOA, verification status, activity, balance, malicious public tags. Returns a 0-100 risk score with named flags. Built for x402 agents screening counterparties.

Market analytics for the x402 ecosystem: search indexed resources, trending, seller reports with on-chain trend, price history over time, full market overview (sources, categories, price distribution, on-chain leaders), competition stats and scored opportunities. Built from continuously scanned public x402 indexes (Coinbase Bazaar, Agent402, Agentic Market) with historical snapshots.

HMAC of a message under a key — Genesis402 / UnyKorn Operator Network

Current Solana slot — Genesis402 / UnyKorn Operator Network

Parse CSV into JSON rows — Genesis402 / UnyKorn Operator Network

Pad hex to a fixed byte width — Genesis402 / UnyKorn Operator Network

Canonical JSON and its digest — Genesis402 / UnyKorn Operator Network

Hex encoding of UTF-8 text — Genesis402 / UnyKorn Operator Network

RFC 4648 base32 encoding — Genesis402 / UnyKorn Operator Network

MD5 digest of text or raw bytes — Genesis402 / UnyKorn Operator Network

Decode base58 to bytes — Genesis402 / UnyKorn Operator Network

Name of a token contract — Genesis402 / UnyKorn Operator Network

Get public holidays by country and year for the 200+ countries covered by Nager.Date. Returns holiday names, dates, types (public/bank/optional), and whether they are fixed or variable.

Latest alpha-token price per Bittensor subnet (TAO + USD). All 129 subnets in one call. AI agent API for cross-subnet price arbitrage, dTAO portfolio rebalancing. Informational research data — not investment advice.

Recent per-block aggregation of Bittensor events: neuron_registrations, weight_sets, bond_sets, child_key_sets, stake_added/removed, root_claimed, balance_transfers + total TAO.