Onchain & crypto

DEX swap quote and best route ($0.005): how much you get now across Uniswap v2/v3/v4 and Aerodrome (direct or through WETH) on Base, Ethereum, Arbitrum, Optimism or Polygon, with price impact, the minimum to accept at your slippage and alternative routes. Simulated with eth_call; nothing is executed. Use right before an on-chain swap.

Honeypot check for any token ($0.02): can it be sold after you buy? Simulated sell and buy on chain, owner and proxy, mint, blacklist, pause and fee functions, liquidity, LP burn and buy tax on Base, Ethereum, Arbitrum, Optimism and Polygon; mint and freeze authority on Solana. Verdict and 0-100 safety score.

Rug check for any token ($0.01): is this token a rug pull or scam? Short verdict LOW_RISK, CAUTION or HIGH_RISK with a 0-100 safety score, one plain sentence, can it be sold, buy tax, liquidity, owner control and the top three risks, for a contract on Base, Ethereum, Arbitrum, Optimism, Polygon or Solana.

Token price by contract address, live from the chain ($0.001): USD price of any ERC-20 on Base, Ethereum, Arbitrum, Optimism or Polygon from a simulated $100 buy and sale on the best DEX route (Uniswap v2/v3/v4, Aerodrome), with buy and sell price, round-trip cost as a liquidity gauge, total supply and fully diluted value. Use for the current price of any token, including ones too new for price APIs.

AI token verdict built on real on-chain checks: send a token contract address (Base, Ethereum, BSC, Arbitrum, Polygon, Avalanche, Optimism) or a Solana mint and get everything from token-verdict (grade A to F, SAFE to DANGER label, 0 to 100 score, honeypot sell simulation, buy and sell tax, mint, freeze and owner powers, liquidity, shareable verdict card) plus an AI-written take for a trader: a headline, 3 to 4 plain sentences on what the grade means, red flags, green flags and which fact…

Whale activity in a token ($0.01): the largest wallets buying and selling any ERC-20 in the last hour on Base, Ethereum, Arbitrum, Optimism or Polygon, net USD per wallet, buys and sells, smart-money labels, bot flags and smart-money net flow. Use to see whether whales accumulate or dump.

Base token risk scan: on-chain rug check and honeypot-style flag detection for any ERC-20, no GoPlus, DexScreener or other vendor - real Base token safety. Reads bytecode for mint/blacklist/pause/tax powers, EIP-1967 proxy, renounced ownership, plus Uniswap v2/v3 and Aerodrome liquidity. A Jev avoid/caution/acceptable verdict leads the response, raw signals follow. Holder concentration included only when history fits 1-2 log queries. Try GET /token-risk/sample.

$0.0002/MB. Compute a keyed HMAC (SHA-256/512/1, MD5) — the key is never logged. 1¢ x402 min; remainder auto-credits — relaystation.ai/penny

Real-time crypto unusual-activity signal: coins with abnormal volume/price vs their own baseline, ranked, early-flagged, across the top 250 by market cap.

On-chain pre-IPO perps vs private valuation, live: OpenAI and Anthropic perpetuals on Hyperliquid HIP-3 (EntropyIO io:OAI, io:ANTH) converted to implied company valuation, set against the last private round post-money and the IPO valuation target. Premium/discount, funding, open interest, 24h volume; each private anchor keeps source and grade.

Atlas Bitcoin/BTC 60-minute (1-hour) probabilistic market forecast

Lille model (Louvet 2007) from age, albumin, bilirubin at day 0 and day 7, creatinine, and PT seconds or INR. formula=pt or formula=inr is required; magent does not swap them. Score 0-1 with the published 0.45 cutoff. Deterministic published arithmetic with citation; not a medical device or a steroid order.

+7 more from magent

Per-coin positioning brief: at-least-two-exchange spot median (attempting Binance/Coinbase/Kraken), Hyperliquid funding, open interest, premium and volume. The disclosed 0-100 crowded-long/short score uses funding and premium; the 6-hourly archive trend is separate context and may still be filling. One call per coin. Signed, verifiable receipt included.

Normalize whitespace in text for $0.001 USDC. Call when you need this bounded result without an API key or subscription. Returns machine-readable JSON via x402 on Base or Solana. Limitation: results cover only the supplied input or one bounded public endpoint at request time; callers must verify before acting.

Top stressed crypto issuers from the current DeltaSignal slice.

Compact DeFi protocol brief by slug or name: current TVL, 1d/7d/30d TVL change, TVL by chain, category, chains, audit links, fees and revenue for 24h/7d/30d where available, DefiLlama URL. Data by DefiLlama. Not financial advice.

CryptoVar risk_asset: single long spot exposure, BTC/ETH/SOL, 90 daily Kraken returns, seeded Monte Carlo VaR and replay artifact. 0.25 USDC. Idempotency-Key header required. No Bitcoin anchoring included.

+5 more from securaw.com

Order flow of a crypto or tokenized stock ($0.005): buy and sell volume from the taker side of on-chain swaps, buy pressure, momentum, volume versus its own baseline, anomaly flags and a signal for ETHUSD, BTCUSD, NVDA, TSLA and more, windows 1m, 5m or 15m. Use to see who is in control now.

+1 more from api.marketintelligenceapi.com

Runs live diligence on an x402-metered endpoint before you pay it: verifies its 402 payment challenge is spec-compliant, checks the price against market baselines, inspects the payTo address on-chain (Base), checks third-party directory presence, and checks basic infra hygiene, and detects possible upstream API resale with evidence-based markup estimates. Returns a 0-100 score, a pass/caution/fail verdict, and per-check evidence.

Fuzzy-dedupe a list of records into clusters of likely-duplicate entities. Blocks by normalized token prefix, scores with Jaro-Winkler + token-set matching (exact on email/phone), unions matches above threshold, and returns a merged canonical record per cluster with a confidence score. Deterministic, no LLM calls.

Business Frameworks business-frameworks/growth/band/[email protected] — Growth $25–50M: a scope decision. Call when an agent needs how growth behaves at this revenue scale, for a business it is running or advising. Returns 300 tokens of original synthesis with public citations and child handles; free layer at /catalogue.

+18 more from business-frameworks.matryoshka-paradigms.workers.dev

Base wallet score API / wallet reputation / address risk scoring / onchain wallet intelligence / counterparty check. Returns a 0-100 activity score with letter grade, smart-wallet (ERC-4337) detection, ETH and USDC balances, recent USDC flow, and a user profile for any Base address. For AI agents, fraud screening, and KYC/counterparty checks.

+1 more from base-intel-api.jakemaxsigal.workers.dev

Paylyte grades a locked claim against the official BLS or Board print, then stamps the record on Bitcoin. You buy Proof of Outcome: the hashed official payload, the grade, and the OpenTimestamps record. It is $9.99 per print_id. A Consumer Price Index morning is two buys ($19.98) if both print_ids are sold. Not a raw BLS dump. Not an official BLS or Board product. Agent Trust Score comes from graded claims.

+1 more from api.paylyte.ai

StillOS Edge-Gate — grade a settled strategy track record: fail-closed REAL_EDGE|REGIME_LUCK|NEGATIVE_EV|INSUFFICIENT_DATA verdict, out-of-sample + fee/slippage adjusted, Ed25519-signed receipt. Backed by a $10 on-chain correctness bond, up to $1 slashable per proven-wrong verdict -- verify at /notary/bond, dispute at /notary/dispute.

Crypto liquidation levels on Hyperliquid perps (perpetual futures). Where BTC whale positions get liquidated and how far price must move to trigger it: levels with notional at risk, nearest first. Single-market slice of /liquidations, for agents that only track BTC

+2 more from Hyperliquid Smart Money Data API

Verify asset, payment, delivery and transfer restrictions as one transaction

Bind MCP tool-call identity to a transaction without silently granting authority

Call when an agent needs a heuristic token count for text using chars4 (characters/4), words, or regex. Use it to budget a prompt before calling a model. Not a model tokenizer. No LLM. Send JSON {"text":"hello world","method":"words"}. Exact $0.001 USDC on Base. Try unpaid POST /v1/sandbox/token-count first.

+9 more from agentshelf.syntexa.ch

Cryptographically verifiable ERC-5192 non-transferable Soulbound Token smart contract deployment artifact, ABI, and minting hook on Base L2.

+3 more from robotshop.up.railway.app

Vaunt verified trade evidence: the $0.50 evaluation plus the asset's last 5 closed real-money trades (outcome, banded return, hold bucket, trigger band, MFE/MAE, 7-day delay), the news book month by month, execution cost measured on our fills (slippage, fee, latency) and a liquidity snapshot. Empirical evidence for or against a crypto or tokenized-equity trade from a live Hyperliquid engine. No entry/stop/target.