Onchain & crypto

Wallet and counterparty risk check before an agent sends funds or grants approvals.

A stateful, multi-chain spending session for AI agents. One session enforces a hard USDC budget cap across every tool call, with a verifiable receipt and running ledger for each payment — not a one-shot budget check, but persistent spend governance with a full audit trail. The gateway enforces the cap for the paying wallet on Stacks and Base. USDC on Base (standard x402) or Stellar (via the AgentPay SDK); sBTC on Stacks (any Stacks x402 client).

Follow a URL's redirect chain (301/302/303/307/308) to its final destination and return every hop with its status and Location. Unwraps link shorteners and cloaked/tracking links so an agent can see where a link really goes before following it. Each hop is SSRF-validated and the chain is capped.

South African Crypto ZAR prices (live): Live ZAR crypto prices from VALR's public market data: last traded, bid/ask, 24-hour high/low/volume and daily change for BTC, ETH and every other ZAR pair on the exchange. Live from VALR's public market data.

Composed token classification. Fans out to token_info, token_security, protocol_tvl and returns a single archetype (stablecoin / blue_chip / mid_cap / memecoin / wrapped / governance / unverified) plus a plain-language verdict.

+4 more from api.hyperd.ai

Real-time cryptocurrency spot price in USD, aggregated as the median across Coinbase, Binance and Kraken with cross-exchange spread. Supports BTC, ETH, SOL. Deterministic multi-source aggregation for trading and treasury agents.

Compare up to 32 requested uses with an explicit machine-readable license policy for reading, internal use, redistribution, resale or training. Unknown policies remain undetermined. Does not interpret legal prose, verify ownership, grant rights or provide a legal-compliance verdict.

Audit smart contract honeypot, taxes, liquidity, and risk score for autonomous agents

LastLook Data — current price, 24h change, market cap, and volume for any supported cryptocurrency. Use ?coin=BTC|ETH|SOL|BNB|XRP|ADA|AVAX|DOGE|LINK|DOT|etc. Source: CoinGecko.

APEX Runner: Token Unlock Signal

USD price of any Arc token in one call. Pass ?token=0x.... Read live from the Uniswap v4 pool state on Arc mainnet (StateView slot0 + liquidity) across the token's USDC pools from our index of every v4 pool (updated every 5 minutes), the deepest hookless one preferred. Returns usdPrice, the pool used, liquidityUsdEstimate, block, block time and warnings (pool has a hook, thin under $50). A token with no USDC pool, a non-address or a failed read is refused before payment.

Wallet history on Arc: the last 50 transfers in and out of an address over about 3 days (100,000 blocks), decoded. Pass ?address=0x.... Each row: transaction, block, time, direction (in / out / self), from, to, token and symbol, amount, the USD value at the time (usdThen: the pool's price at that block) and today (usdNow). USDC is counted once from Arc's native transfer logs (direct sends and contract payouts), NFTs are listed as nft, and a token that only calls itself USDC / EURC is flagged.

Turn a 4-byte function selector or full calldata into its human-readable function signature, and (when calldata is present) the decoded argument values. Supply an `abi` for a fully deterministic offline decode, or omit it to look the selector up in public signature registries. Reads with automatic fallback.

+6 more from chain.openverbs.com

Send guard for Arc: call it BEFORE sending USDC or a token. Pass ?from=<sending wallet>&to=<destination> (and &token=0x... for a token send). Returns verdict stop / check / ok with reasons: the destination is a lookalike of an address the sender really used (address poisoning), bait planted in the sender's history by a forged transfer, a token contract or the burn address, on the OFAC SDN list or USDC's own blacklist; the token is a fake USDC / EURC; or a brand-new address (check).

What an Arc wallet holds, with a USD value for each token: native USDC, EURC and APEX always, plus up to 20 more tokens you list in ?tokens=0x..,0x... Pass ?address=0x.... Balances are read live (Multicall3); each token is priced from its deepest Uniswap v4 USDC pool, and a token with no pool says so instead of showing $0. Returns per-token balance, price and value, and the wallet total in USD. A non-address or a failed read is refused before payment.

Redirect chain from a URL to its final destination

Contract read on Arc: one view call on any contract, decoded, with block and time. ?address=0x...&fn=function balanceOf(address) view returns (uint256)&args=["0x..."] (args a JSON array, optional; &block=N for a past block). For agents that check owner, paused, allowance or a balance before acting, without running an RPC. Only view/pure functions; a revert, a non-contract or a bad signature is refused before payment.

Allowance check on Arc, before an app asks for an approval: what owner has already approved to spender for a token (default USDC; add &token=0x... for another), in tokens and USD, whether it is unlimited, the owner's balance, whether the spender is a contract and its name if it is one our own code uses on Arc (Uniswap v4 PoolManager, UniversalRouter, Permit2, Circle Gateway Wallet, CCTP TokenMessenger, the launchpad router; never guessed), and risk signals (unlimited to an unknown contract, an…

Forward + reverse ENS resolution on Ethereum mainnet: turn vitalik.eth into an address, or an address into its primary ENS name. Complements the Basename resolver for Base.

Deactivate a watchlist owned by the paying wallet.

+2 more from telesint-api.onrender.com

🆕 Base Account spend permissions let an app or agent spend a scoped, recurring allowance from a wallet — the primitive behind autonomous agent payments on Base. This reconstructs a wallet's ACTIVE spend permissions from onchain approve/revoke events and flags the dangerous ones: unlimited allowance, no expiry, unrecognized spender. The Base-native, agent-era drain check that ERC-20 approval tools can't see.

Agents choose between tokens, not around them. Pass 2-5 Base token addresses → each gets a 0-100 quality score (safety-weighted: rug score first, then liquidity depth, then momentum), ranked best-first, with a named pick — or an honest 'none pass the gate'. One call returns a decision instead of a dozen data dumps.

The post-trade check everything else skips: given a token, your position size and (optionally) entry price, returns live price & P&L, whether the position can still be EXITED at that size, and the token's current rug score — combined into a healthy / watch / exit_now verdict with reasons. The risk that changes after you buy is exactly the risk holders miss.

x402 proves payment; this answers whether the wallet should be recognised. Resolves a wallet's onchain identity — Coinbase verification (a KYC'd attestation), Basename, and an ERC-8004 registry entry when configured — and corroborates with its payment track record. One verdict: recognised / named / anonymous / unknown. The identity leg alongside x402-seller-check (endpoint) and agent-reputation (behaviour). Identity is not intent; a degraded read is 'unknown'. Not financial advice.

Agents are the easiest MEV prey: predictable, public-mempool, a measured ~$50M/quarter tax. A sandwich only pays when a trade moves the pool enough to front-run (size vs pool depth). This returns an exposure read (low/elevated/high) and a protected-execution plan: a tight min-out, private/off-mempool inclusion (a Cobalt validity tx via validity-build), and splitting a large order into unattackable chunks. Pass tokenOut + amountUsd. Not financial advice.

x402 proves payment, not trust: an agent handed a URL pays blind, and the payee may be a real service or a burner that takes the USDC and vanishes. Give a url and/or a payTo wallet and get GO/WARN/STOP: is the URL a well-formed 402 resource, does its price match, and is the seller wallet sanctioned, a fresh throwaway, or paying a different address than you expected. Screens the PAYMENT side the protocol drops — not a guarantee the service returns good data.

Surfaces the LP holders, how much of the LP supply is locked or burned vs pullable, the lockers, and unlock dates. Unlocked liquidity is the clearest rug setup — this shows the detail a one-line 'LP locked: yes/no' hides.

Flow, not snapshot: the largest transfers of a Base token in the last 24h, classified by whether whales are sending INTO DEX pools (sell pressure) or pulling OUT (accumulation) — a net sell-pressure read that decays in hours. Complements holder-forensics ('who could dump') with 'is anyone dumping now'. CDP-indexed events.

🆕 A smart account's gas can be paid by a PAYMASTER instead of the account itself — invisible to every 'does this wallet spend ETH' heuristic. Reads a wallet's UserOperationEvents across BOTH EntryPoints (v0.6 + v0.7): is it a smart account, its op count and success rate, and WHO sponsors its gas (self vs which paymaster, per-sponsor share). A fully-sponsored account is typically app- or agent-operated. wallet= required, days= optional (default 30, max 90). Not financial advice.

Global Pro adds independent higher-timeframe context, SMA family, regression channel, anchored VWAP, Fibonacci, confirmed pivots, RSI and ATR evidence to the same 520-candle chart and aligned Spot plan. Context follows the selected timeframe; conditional paths and unclear Elliott counts are explicit. Free full-report recovery. Market or Limit orders require separate wallet review and signing.

+5 more from pulse-api-production-7aae.up.railway.app