Onchain & crypto

Upcoming federal contract solicitations from SAM.gov. Filter by keyword, NAICS, or set-aside type. $0.20/query via x402 on Base.

+1 more from GovEdge

Listed, able to charge, and still not selling? We join the Bazaar catalog with measured on-chain revenue and report the median profile of the top fifth of earners, of everyone earning anything, and of those earning nothing, alongside your own. In our data the top fifth list 14 resources to the zero group one, and write 190-character descriptions to their 370. Correlations across services, not advice. ?domain=.

Wallet realized and unrealized PnL — per-token profit and loss and cost basis for any EVM address

Agent-driven wallet due diligence — multi-step investigation, signed markdown report + JSON sidecar, dual-chain anchored. Async — returns job_id; poll /v1/investigate/status/{job_id} for the deliverable. ETA 5-10 min. $1.77 USDC.

Live staking yields with liquid staking, liquid restaking (ether.fi/Renzo/Kelp), and best_strategy recommendation. ETH, SOL, ATOM, ADA, DOT, AVAX, MATIC. $0.05/report via x402 on Base.

Look up a token's price and market data plus a scam and rug-risk read on the project behind the coin — market data and counterparty trust in one call. Input: ?symbol=

Live crypto price + 24h change, market cap & volume for any coin — for trading agents. Input: ?symbol=btc

Factual summary of any topic from Wikipedia — for research agents. Input: ?topic=Bitcoin

Vet an entire payment before an agent sends money: is the counterparty site legit, is the payee wallet sanctioned or disposable, is the amount within policy. Returns proceed/caution/stop, reasons, and a signed attestation — one go/no-go instead of three calls. Input: ?domain=merchant.com&wallet=0x...&amount=500

Screen a crypto wallet address before an agent sends funds to it: OFAC sanctions check, on-chain footprint (empty or disposable address), human-vouch overlay. Returns verdict (safe/caution/avoid), sanctioned flag, on-chain activity, red_flags. Input: ?address=0x...

Structured decode of any mainnet tx (base | ethereum | solana) — $0.001 USDC

EVM wallet risk scoring — transaction patterns, exposure analysis, suspicious activity

Current gas price and EIP-1559 fee estimate for a chain (base, ethereum, polygon, arbitrum, optimism)

Where did this address get its money? Walks the funding chain upward and returns the account that ultimately paid for the wallet, plus a cluster id. Two addresses funded from the same account are not independent parties, however unremarkable each looks alone — the cheapest strong signal that an identity was manufactured. Works on any address, not only registered agents. Free alternative: GET /v1/provenance. Trial: 3 free calls/wallet/24h — https://trust-agent.io/v1/trial.

Recent transaction history for an address, normalized across Ethereum, Base, Arbitrum, Optimism, Polygon, Bitcoin, and Solana -- direction, counterparty, and value where the chain's data model makes that derivable.

Quick Signal TA v3.1.0 — Crypto technical analysis. Ten indicators with natural-language assessments. Query params: token (required), timeframe, bollinger_period, rsi_period.

ZayGuard Pre-Send Safety Check — an evidence-based transaction assessment: pay $0.05 USDC through x402 for a read-only Base or Arbitrum One transaction result; payment is collected on Base.

Token launch bundle and sniper detection on Base — flags coordinated bundle buys and snipers

Aerodrome DEX pool risk assessment — checks both tokens for honeypots and rug vectors

Smart contract verification and security analysis on Ethereum Base BSC Arbitrum Polygon

cogDepot agent marketplace API. Paying any offer buys credits for the paying wallet's account; a first payment creates the account.

[MCP: default] Pay-per-call MCP tool priced at 0.50 USDC (500000 atomic units) via x402 v2 on eip155:8453.

Crypto news API: live cryptocurrency news headlines for a query (e.g. "bitcoin etf", "ethereum upgrade", "solana"), from Google News and localised by location/language. Returns ranked articles with title, URL, domain and, where available, source and publish time.

Check an ERC-20 spending allowance on Base; flags unlimited approvals.

Verify an x402 settlement on Base OR Solana: pass a 0x transaction hash or a base58 signature, confirm it succeeded, decode its USDC transfers (event logs on Base, net token-balance deltas on Solana), and optionally assert the receiving wallet and amount.

Six-check network forensics scan against a fixed canonical target basket. TLS, DNS, CT, NTP, portal, route. Result hash anchored on-chain to Base.

The real best Solana DEX pools. Same top-pools feed a free API returns, but wash-traded and fake-volume pools are filtered out and the rest ranked by risk-adjusted fee yield (Raydium/Orca/Meteora). Returns clean, decision-ready pools plus an `excluded` list showing exactly which pools were dropped and why. For liquidity, yield and MEV agents that can't trust raw volume numbers.

Retrieve a derived chain or protocol activity proxy. Include scope and a canonical target such as Ethereum or a protocol slug.

Parameter-free: the activity snapshot for all 21 tracked blockchains in one call, each with latest weekly transactions, active addresses, fees, value moved and other metrics with 7-day change and analyst reads. Use to compare chains or rank them by activity without 21 separate calls. From public blockchain data, refreshed daily. JSON, no API key. $0.02 per call. Blockchain IQ.

Honeypot check for a Base token: can you sell it after you buy? Simulates a buy and a sell on its Uniswap v2, v3 or v4 or Aerodrome pool and returns sellable, high_tax, honeypot or unknown, both taxes and the pool, plus the owner powers in its code, proxies included (mint, blacklist, pause, fee changes, upgrade), and whether one key holds them. A simulation at one block, not an audit; unknown, never a guess, and no charge if our node fails. Free: GET /v1/token. Trial: /v1/trial.