Explore APIs

Local EIP-55 / base58 / bech32 address validation (EVM/Solana/Bitcoin). Optional eth_getCode on Base. Amp port.

Hero SKU: Pearl Research L1 telemetry (pearld RPC, community nodes, poll history). Free trial: GET /api/a2a/pearl/status

Pay Guard: pre-payment allow/warn/block check for x402. Send your planned purchase (domain, max_price_usd, asset/network) plus the 402 challenge (payTo, amount, asset, network, resource). Returns verdict with wallet↔domain verification, price/asset/network checks, lookalike/URL safety, wash flags from Agentropolis, and a free OFAC SDN sanctions screen of payTo (a screen, not a certificate). Determ

On-chain intelligence — whale transfers trending tokens DeFi TVL on Base and Ethereum

Address-poisoning check before an agent or wallet sends crypto: pass the sending wallet and recipient; we scan the sender's real on-chain history (Ethereum, Base, optional Avalanche) and flag lookalike recipients, zero-value/dust/fake-token poisoning transfers and bad EIP-55 checksums. Returns ok|caution|danger, the address you probably meant, and evidence tx hashes.

One block's fee recipient, gas use and burnt fees, with its consensus reward. PulseChain (chain id 369). $0.003 USDC per call.

Read-only EVM state API for wallet snapshots, ERC-20 balances, token allowances, contract code, block heights, and bounded eth_call reads across Ethereum, Base, Arbitrum, Optimism, and Polygon. Fixed price: $0.05 USDC on Base for a batch of up to 25 checks. Only submitted checks run. Results are provider-reported RPC data, not cryptographic proofs.

Translate up to 5,000 characters between Bosnian, Croatian, Serbian, English and German.

Fact-checking with persistent memory — VERITY remembers prior claims your agent has checked and skips repeat lookups, saving tokens across sessions. Returns CURRENT/OUTDATED/DISPUTED/UNVERIFIABLE verdicts with confidence score, sources, and what changed. 0.10 USDC.

Apply the EIP-55 mixed-case checksum to an Ethereum address, regardless of its input casing. Returns the checksummed address and whether it differed from the input. Non-hex input is rejected before payment.

Identicon generator — turn an exact UTF-8 seed into a deterministic mirrored avatar returned as base64-encoded SVG or PNG in JSON.

Stablecoin peg tick — USDT, USDC, USDS, DAI, USDe, USD1 in ONE $0.01 call: live price, deviation from $1, 24h change, and a deterministic STABLE / WATCH / ALERT verdict per coin. Built for monitoring loops: call it every cycle, escalate to /api/depeg-watch for the single-coin deep read when a verdict is not STABLE. 60s freshness, cited to CoinGecko, no LLM in the path.

Split the input into parts on each match of a RE2 pattern. An optional limit caps the number of parts (0 = unlimited). Returns the parts array and its count.

Current USD price, market cap, 24h volume and 24h change for up to 10 cryptocurrencies by ticker symbol (BTC, ETH, SOL, ...) or for any on-chain token by contract address and chain (ethereum, base, bsc, arbitrum, polygon, optimism, avalanche, solana). Data from CoinGecko.

Smart home device recommendations and ecosystem advice for any country: Matter compatibility, ecosystem fit (Alexa, Google Home, Apple HomeKit), device picks by room and budget, and local plug/voltage/availability notes. For homeowner and smart-home agents. Returns recommended devices with Matter certification status and practical setup guidance.

Base wallet research API: for any Base mainnet address returns ETH and USDC balances with USD values (CoinGecko/Coinbase quotes), EOA vs smart contract, nonce (tx count), current gas base fee, ERC-20 token holdings, and recent USDC inflows/outflows with a counterparty count. Read live from public Base RPCs at request time. Paid per call with x402 (USDC on Base); invalid input returns 400 and is no

Daily crypto market regime in one call: BTC/ETH vs 20/50-day MAs, breadth of the point-in-time top-N (no survivorship bias), coins nearest a 20-day breakout, and the R1 breakout strategy's gate and entry signals. No candle fetching or indicator code. Completed UTC daily closes only.

Exit-liquidity and price-trust assessment for a Base ERC-20 token at a requested USD position size. On-chain sell quotes cover Aerodrome, Slipstream, and Uniswap V2/V3/V4. Returns tradeable, caution, illiquid, or unverified with executable proceeds, price impact, confidence, concerns, and unmeasured checks. Inputs: token address and size_usd.

Multi-chain EVM gas price oracle for AI agents — 17 chains (Ethereum, Base, Arbitrum, Optimism, Polygon, BNB, Avalanche…). One x402 call returns slow/standard/fast EIP-1559 tiers as DROP-IN maxFeePerGas + maxPriorityFeePerGas in wei (plug straight into a viem/ethers tx, no conversion, exact even on sub-gwei L2s), plus base fee, head block, and fullness, from a live eth_feeHistory call. Pass ?chain

WHOIS registration lookup — registrar, creation/expiry/updated dates, domain age in days, name servers, DNSSEC, registrant country/org, EPP status codes. All TLDs (.com .net .org .io .dev .ai ccTLDs gTLDs). Per-field error resilience for TLD-specific parsing quirks. No WHOIS library setup or TLD-specific parsing needed. Accepts USDC payments on Base and Solana

Token Inspector model pricing (per call)

Solana flow and income check: rebuilds SOL or SPL token payments into and out of a wallet or treasury from its latest transactions, groups them by payer and recipient (wallets vs program accounts such as pools and fee vaults), excludes self-payments and optional owner top-ups, flags token-account delegates, and compares an optional claim=. Covers the latest 35 transactions on the public RPC. By Bl

The stored open interest series of one Hyperliquid perp over the last 15, 60 or 240 minutes, from Cashboard's own minute-by-minute history: open interest in contracts and USD, mark price and funding APR per point, and the change over the window. Points are 1, 2 or 5 minutes apart. Not charged until the history reaches back over the whole window and has a snapshot from the last two minutes. Names a

Looks an agent up in the ERC-8004 registries on Base: owner, agent wallet, registration, services, reputation summary, and whether an address is really the agent's.

Turn a news headline into the matching Polymarket prediction markets to trade. One call returns the top markets ranked by relevance, each with live odds/implied probability, 24h drift, spread, on-book liquidity, volume, resolution date, and a ready bet link. Use when a trading agent reacts to breaking news and needs the tradeable market instantly. $0.01 USDC on Base.

RAVN — best-price swap quotes across 22 execution venues and 18 chains, including native (non-wrapped) Bitcoin as either source or destination. 0% protocol fee, non-custodial. Returns a quoteToken; pass it to POST /execute.

Aggregated perp market state: OI-weighted mark/index price, open interest, funding, per-venue breakdown and freshness across 7 live venues.

On-chain x402 settlement summary for an address from the decentralized x402 Base subgraph on The Graph Network. POST {address}. Returns lifetime stats as payer + recipient (totalPayments, totalVolume, first/last seen), recent 10 payments each direction, facilitator metadata if applicable, plus indexed_through_block for freshness. Decentralized, verifiable. Distinct from /ask. $0.01 USDC on Base.

latest pump.fun -> PumpSwap migrations

Risk check of an ERC-20 token on Base before buying: upgradeable proxy, owner powers found in bytecode (mint, blacklist, tax change, pause, trading switch), owner share of supply, Uniswap v2/v3 and Aerodrome liquidity in USD. Verdict low/medium/high with reasons.