All projects on Base matching “base”

Query Solana historical blockchain data from Old Faithful archive (pay with Base USDC)

Access to arbitrage opportunities between Polymarket and Kalshi. Disclaimer: Opportunities are based on live market data and may expire if time passes. We do not guarantee opportunities, you are responsible for your own losses. Always confirm the math for arbitrage yourself. No warranties or liability.

Simulate a looping strategy on Morpho Blue (Base)

Get comprehensive technical analysis for any Base network token

Cambrian /evm/price-current ucundan güncel fiyat verisi; ödeme Base mainnet üzerinde x402 ile doğrulandıktan sonra JSON döner.

Explain a Base-mainnet transaction in plain English. Input: a transaction hash. Returns strict JSON: summary (1-3 sentences), action_type (swap, erc20_transfer, nft_mint, bridge_out, approval_for_all, ...), assets_moved[] (token, amount, from, to), counterparties[] (labeled where known: routers, bridges, marketplaces), risk_flags[] (unverified_contract, unlimited_approval, approval_for_all, known_

On-chain snapshot for a Base address: contract vs EOA, transaction count, ETH balance, USDC balance, risk flags, and a simple recommendation (safe_to_pay | review | avoid). Use before your agent sends USDC to an unknown payTo wallet.

Load when an agent needs pre-action verification of factual claims — multi-source confidence scoring with JWS-signed receipt, offline-verifiable per draft-krausz-verification-state. $0.02 USDC per query on Base.

Pre-payment trust check of a paid API endpoint: reachability, 402 handshake, registrable-domain age (RDAP), TLS days left, seller USDC balance and ETH gas runway on Base -> trust_score 0-100 + verdict pay|caution|avoid

Can I pay this address? ok · new · warn · sink. Buy looks_20 pack ($0.20) or look $0.10. Stamp ticket $0.05. Packs: 20/$0.20 · 100-addr $0.15. Agents pay themselves. No inbox. Base + Solana USDC.

Accounting, reconciliation and audit trail for autonomous agent spending. Record every x402 purchase as a receipt; each is matched against the on-chain USDC payment (Base, Solana), missing or unmatched payments are flagged, finance gets a monthly statement and CSV export, and daily batch fingerprints are anchored on a public ledger with a verification page per receipt. USD 1 per agent wallet per c

Full wallet due diligence report on any Base address: token holdings, counterparty exposure, risk flags. One payment = one report.

Deep risk scoring for a wallet before your agent pays it. Base: contract vs EOA, tx count, ETH balance, USDC balance, vanity patterns, zero/low activity. Solana: recent signatures, SOL balance, USDC token accounts, activity flags. Returns riskScore (0-1), label (low|medium|high|critical), flags[], metrics, and recommendation (safe_to_pay|review|avoid). Designed for agents that need to decide wheth

Real-time on-chain payment verification and check via Base RPC. Returns structured signals: verified status, amount, sender, recipient, transaction confirmation, block number. Pay $0.005 USDC per check. Covers payment, transaction, address, contract, score, signals.

Use when you need who holds a token (concentration, whales, treasury): returns the top N holders of an ERC-20 contract on Base or Ethereum with rank, checksummed address, raw and formatted balance, and share of total supply when the explorer provides it. Public name tags and ENS from the explorer are included as labels; no personal identity is invented and emails are stripped. Ethereum prefers Blo

Extract text from a digital PDF into page-numbered JSON with SHA-256 hashes. No account or API key. 0.005 USDC on Base per successful document via x402. Maximum 2 MiB and 25 pages. No OCR, summaries, URL fetching, or verification of document claims.

x402 Endpoint Spot-Check: SSRF-safe probe of a public URL for an x402 PAYMENT-REQUIRED challenge. Never pays the target. $0.01 USDC on Base after 1 free check per UTC day.

Mobile LCP, Core Web Vitals, LocalBusiness/Organization JSON-LD schema check, and live side-by-side white-label preview scorecard ($0.05 USDC on Base Mainnet).

Deterministic FinTech, B2B invoicing, and accounting domain SEO, Core Web Vitals, JSON-LD SoftwareApplication schema & WCAG 2.1 AA audit ($0.05 USDC on Base Mainnet).

Bulk company lookup: run one tool (tech stack, open jobs, hiring intent, Google Ads or company profile) on many domains with one payment. Step 1 (free): send {tool, domains}; every domain is checked and you get each status plus a quote_id priced only for rows with data. Step 2: send {quote_id} and pay the exact quoted amount via x402 on Base to receive all rows. Max $1 per call: up to 50 domains,

Risk score 0-100 for an ERC-20 token on Base: liquidity, top-5 holder concentration, honeypot/tax flags, news sentiment

Rug pull check for an ERC-20 token on Base: rug_pull true/false, confidence, 5 signals (ok/advarsel/ukendt) and the decision rule

Holder analysis for an ERC-20 token on Base: top 10 holders with type, wallet concentration, distribution and bundling check

Momentum score for an ERC-20 token on Base: 0-100 from 24 h volume, volume vs liquidity and 24 h price change

Assay A2A & MCP Pre-Flight Security Audit & TDQS Certification ($0.005 Base USDC)

Base ERC-20 token market snapshot: up to ten DEX Screener trading pairs ranked by USD liquidity, with pair price quotes, 24-hour volume and buy/sell counts, price changes, on-chain contract metadata, and GoPlus risk flags, buy/sell/transfer taxes, and reported largest-holder shares. Sources and retrieval times are included. Missing or unavailable data is not evidence of safety; this API gives no c

Payment-claim verification: checks a claimed Nano, Base USDC or Stacks (STX/SIP-010) payment against the public chain and returns a verdict with every read used

Base native-USDC receipt evidence: recipient/amount verdict, transfers, confirmations, separate fees, provenance and limitations. Integer quantities are exact decimal strings.

Onchain-Risk EVM & Solana Honeypot & Rug Scanner: Audits token contracts across Base, Ethereum, Arbitrum, and Solana for rug-pull vectors.

DeFi-Yield Cross-Chain DeFi Yield & Stablecoin APY Radar: Scans risk-adjusted DeFi lending and vault APYs across Base, Arbitrum, Optimism, and Polygon.