Help me set up Zero — a free tool that lets you find and use extra services you don't have built in (image/video generation, search live social media, or hosting a free webpage). …To setup manually, read Installation Guides
Returns available cross-chain bridge routes and venue coverage for a given stablecoin from a specified origin chain.
Returns a per-day APY and TVL time series for a single DeFi pool (default 30 days, up to 180) to support yield stability and volatility analysis.
Search a merged index of 26,000+ x402 micropayment services (CDP Bazaar + PayAI) by keyword, returning ranked results with price, network, payTo address, and liveness data.
Extracts the full text content from a PDF at a given URL, returning the text, page count, and truncation status.
Validates an email address by checking syntax, MX records, and deliverability via DNS lookup
Creates a paid subscription plan on the BasaltSurge crypto commerce platform, returning an API key and subscription ID via x402 agentic payment
Fetches Ethereum event logs (eth_getLogs) for a contract address on the Base network, with optional event topic and block range filtering.
Simulates a market buy or sell of a specified USD notional against 50 levels of live Bybit linear-perpetual order-book depth, returning fill price, slippage, spread, and an execution-risk bucket — without submitting any order.
Encode or decode strings across base64, base64url, hex, and URL/percent-encoding formats.
Inspects a Base mainnet address and returns its type, token standards, proxy details, ETH balance, and a human-readable summary.
Reads the ERC20 token allowance on Base mainnet — how many tokens a spender is approved to transfer from an owner's wallet — via an eth_call to the allowance(owner,spender) function.
Checks ERC-20 token spending approvals on Base mainnet for a given wallet, returning allowance details and risk levels for each token/spender pair.
Performs a real-time security and bytecode audit of a smart contract address on Base Mainnet, returning risk score, proxy detection, and security findings
Performs a real-time security and bytecode audit of a smart contract on Base Mainnet, returning risk scores, proxy detection, and security findings.
Resolve a Base Basename (Base's native ENS-equivalent human-readable name) to its underlying wallet address via the L2 Basenames resolver.
Fetch a Base mainnet block header and transaction hashes by block number, tag (latest/earliest/safe/finalized), or block hash.
Fetches raw block metadata from the Base blockchain by block number, hash, or tag (latest/finalized/safe/earliest)
Returns the current ERC-20 token allowance granted by an owner address to a spender address on Base mainnet, charged at $0.004 USDC per call via x402.
Executes a generic read-only eth_call against any Base mainnet smart contract, returning raw ABI-encoded return data.
Returns the live native ETH balance (in wei) for a given Base network address, along with the snapshot block number at which it was read.
Returns the current gas price on the Base network in both wei and gwei, along with the block number at which it was read, fetched live from a public Base RPC node via eth_gasPrice.
Returns live Base chain snapshot including latest block, base fee, priority fee, current ETH price, and estimated USD cost of a simple ETH transfer
Checks whether a Base mainnet address is a smart contract by retrieving its bytecode size via eth_getCode — returns zero for externally-owned accounts (EOAs).
Analyzes a Base blockchain smart contract address for proxy patterns, known standards, privileged functions, and security risk signals, returning a low/medium/high risk rating with notes.
Returns heuristic risk flags for a Base network smart contract using free public data, including Sourcify verification status, proxy/admin detection, owner type, dangerous function selectors, and bytecode size.
Analyzes a Base mainnet smart contract address and returns a plain-English risk verdict including proxy type, token standards, and privileged function details.
Returns a plain-English AI risk verdict for a Base smart contract, including proxy type, privileged functions, dangerous opcodes, owner type, and a low/medium/high risk rating.
Compares real-time prices and liquidity across Aerodrome and Uniswap v3 on Base, calculating gross spread in bps, fee-adjusted net arbitrage profitability, and optimal routing direction for a given token.
Queries the ERC-1155 multi-token balance for a specific wallet address and token ID on Base mainnet via the balanceOf(address,uint256) contract call.
Fetches the human-readable ERC20 token balance for a given wallet address on Base mainnet using a single Multicall3 round trip (batching balanceOf and decimals calls).
Fetches raw smart contract event logs from Base mainnet using eth_getLogs, filterable by contract address and up to 4 topics over a range of up to 2,000 blocks.
Fetches on-chain ERC-20 token metadata (name, symbol, decimals, etc.) for one or more token addresses on Base or Base Sepolia, paid per call in USDC via x402.
Returns live Chainlink oracle price data (price, round ID, last update timestamp, feed address) for crypto and FX pairs on Base mainnet, read directly from the oracle contract with no cache.
Returns the latest and finalized block heights, confirmation lag, and timestamps for the Base blockchain so agents can determine transaction settlement safety.
Returns real-time Base mainnet gas fee estimates with USD cost breakdowns for common transaction types, using live ETH price from Uniswap v3
Returns real-time EIP-1559 gas fee estimates (base fee, max fee, priority fee) for Base Mainnet at a requested speed tier, payable via x402.
Returns real-time gas price on Base including actual USD costs (L2 + L1 fee) for ETH transfers, USDC transfers, and Uniswap swaps, read from live block receipts.
Simulates a full round-trip buy and sell of a Base token via its deepest Uniswap v2/v3/v4 pool against ETH/WETH in a single block, returning net ETH recovered, round-trip cost, revert reasons, token metadata, and renouncement status.
Returns a 0-100 activity score for a Base wallet address, including smart wallet detection, ETH/USDC balances, and recent USDC flow analysis.
Returns an activity score (0-100) for a Base wallet address, including smart wallet detection, ETH/USDC balances, and recent USDC flow.
Returns top Base DEX liquidity pools ranked by sustainable volume, filtering out pump and wash-trade pools using a volume-to-TVL ratio heuristic.
Performs real-time web searches and returns ranked, de-duplicated results with titles, URLs, snippets, sources, dates, extra RAG context snippets, and top news items.
Checks whether a Base ERC-20 token is a honeypot or rug pull risk, returning a risk score, flags, verdict, price, liquidity, and sell simulation result
Fetches a web page by URL and converts its content to clean markdown text, with optional character truncation.
Checks whether a given HTTPS URL is a valid x402 pay-per-call endpoint and returns its pricing and network options
Queries Azure VM pricing by OS, GPU, SKU, region, and price type, returning the cheapest matching instance with hourly USD cost
Looks up a Base blockchain transaction by hash and returns a human-readable summary, status, fee, and confirmation count
Returns a real-time feed of newly launched liquidity pools on Base, filterable by quote token, minimum liquidity, and time window — useful for token snipers and DeFi agents.
Fetches native ETH balance plus up to 20 ERC20 token balances for a single wallet on Base mainnet in one Multicall3 round trip.
Edit or transform an existing image using a text prompt, returning a new AI-generated image variant
Resolves a Basename (name.base.eth) to its Ethereum address and profile records, or reverse-resolves an address to its verified primary Basename on Base.
Resolves a Basename (.base.eth) or Ethereum address to its full on-chain identity profile (name, avatar, address) on Base Mainnet, payable via x402 micropayment.
Resolves Base L2 Basenames to Ethereum addresses (forward) or Ethereum addresses to their primary Basename (reverse) using the Base L2 Resolver.
Resolves Basenames (onchain ENS-style names on Base) to owner addresses and profile records, or resolves an address to its primary Basename
Returns newly launched token pools on Base (Uniswap v2/v3/v4, Aerodrome) each graded BASED, MID, COOKED, or RADIOACTIVE based on a simulated buy-and-full-sell test in a single block
Returns the tokenURI (IPFS, HTTP, or data URI) for a given ERC721 token on Base mainnet, providing the on-chain metadata pointer without fetching the document itself.
Returns real-time floor price (in ETH and USD) and collection metadata for a named Base mainnet NFT collection
Verifies whether a given wallet address holds tokens from a specified Base Mainnet NFT collection and returns ownership details including token count and block number.
Looks up the current owner wallet address of a specific ERC721 NFT on Base mainnet by calling ownerOf(tokenId).
Returns the current owner address of a Base ERC721 token at a pinned block, refusing tokens with no owner rather than returning the zero address.
Fetches the full plain-text content of a paid article published on Basenote's onchain content platform on Base, charging 0.1 USDC via x402 per read.
Fetches live Uniswap v3 liquidity position details for a given NFT tokenId on Base, including tick range, in-range status, uncollected fees, and pool info — computed directly from Base chain.
Resolves a Base chain address to live ERC-20 token metadata, safety flags, supply analytics, proxy detection, and optional holder balances — all computed directly from raw chain state with no third-party data.
Profiles a Base chain address (EOA or contract) returning ETH/USDC/WETH balances, nonce, contract type flags, ERC-20/721 detection, and proxy implementation — all computed live from raw chain data.
Audits a Base wallet address for active ERC-20 token approvals, flagging risky, unlimited, or EOA-spender allowances computed live from on-chain data.
Checks whether a Base ERC-20 token supports EIP-2612 gasless permit signatures, returning permit style, current nonce, and domain separator — all computed live from chain.
Returns a manipulation-resistant TWAP-based swap quote between two Base ERC-20 tokens, computed live from raw Base chain data with no third-party dependencies.
Returns live Base network gas prices, fee tiers (slow/avg/fast), next-block base fee prediction, congestion status, and self-computed ETH/USD price — all derived directly from the Base blockchain with no third-party data.
Batch-scans up to 20 Base ERC-20 token addresses live from on-chain data, returning honeypot verdicts, risk flags, sellability checks, and safety scores with no third-party data dependencies.
Returns a live USD portfolio valuation for a Base wallet address, pricing each ERC-20 and native ETH holding directly from on-chain data with no third-party price feeds.
Resolves a Basename or ENS name to its on-chain address (or reverse-resolves an address to its primary Basename), with spoof-guard verification, computed live from the Base chain.
Returns manipulation-resistant TWAP and spot prices for any Base ERC-20 token, computed live from on-chain Uniswap v3 data with deviation and manipulation detection.
Analyzes a Base blockchain address's deployed bytecode to detect proxy patterns, upgrade risks, dangerous opcodes, and contract safety flags — computed live from raw chain data with no third-party dependencies.
Checks an ERC-20 token allowance on Base chain for a given owner/spender pair, returning drainable exposure, risk flags, Permit2 sub-allowance details, and an actionable recommendation — all computed live from raw chain data.
Scans a Base chain ERC-20 token contract address and returns a live-computed safety verdict, honeypot detection, tax analysis, liquidity data, and ownership risk flags — all derived directly from on-chain data.
Fetches live token prices (e.g. ETH/USD) from Chainlink on-chain oracles on Base mainnet
Returns aggregated ETH and USDC balances across up to 20 Base mainnet addresses in a single call
Returns the current Base mainnet gas price in gwei and estimated ERC-20 transfer cost in ETH, read live from the network.
Checks a Base blockchain address before an agent pays or approves it, reporting wallet/contract type, transaction history, contract age, and proxy status with allow/warn output.
Sends a USDC micro-tip from an AI agent to a content creator on the Baseposting platform on Base blockchain
Uploads and publishes a paywalled article to the BasePost decentralized news platform, assigning author payment address and access price
Fetches the full content of a specific BasePost article by slug, gated behind a micropayment of $0.01 USDC
Returns real-time DEX spot price and swap quote data for tokens on Base Mainnet (Chain ID 8453), paid per-call via x402.
Returns real-time DEX spot price, liquidity, and 24h volume for a given token on Base Mainnet (Chain ID 8453), payable via x402 micropayment.
Detects whether a Base mainnet contract is an upgradeable proxy (EIP-1967 transparent/UUPS, beacon, or EIP-1822) and returns its implementation address.
Returns structured WHOIS data for a domain including registrar, creation/expiry/updated dates, nameservers, and registrant country
Simulates a buy and sell of a Base network token, checks its verified contract code and market data, and returns a SAFE, CAUTION, or AVOID verdict with specific reasons.
Reads a wallet's ETH and native USDC balance on Base directly from the blockchain at a single block, for pre-transaction verification.
Returns a best-price DEX swap quote on Base by comparing Uniswap v2, Uniswap v3, and Aerodrome via on-chain Multicall3, including amount received, optimal path, and price impact.
Fetches a transaction receipt for a mined Base mainnet transaction, including status, gas used, and event logs via eth_getTransactionReceipt.
Retrieves the full receipt for a Base blockchain transaction by hash, including success/revert status, block, gas used, fees, logs, and contract deployment address.
Returns real-time staleness, latency, and error-rate measurements for all major Base public RPC endpoints, polled every 30 seconds in parallel.
Returns a GO/CAUTION/DANGER safety verdict for an EVM token by reading on-chain data, with reasons explaining the verdict
Looks up the on-chain status, confirmations, and details of a Base chain transaction by its hash
Looks up ERC-20 token metadata on the Base chain by contract address, returning name, symbol, decimals, and total supply.
Returns pre-filtered, basesafe-vetted ERC-20 token candidates recently launched on Aerodrome (Base chain), ranked by safety score and liquidity.
Screens a Base mainnet ERC-20 token contract for honeypot behavior, privilege risks, and overall security risk score using deterministic on-chain analysis.
Performs deterministic on-chain honeypot detection, privilege inspection, and risk scoring for ERC-20 tokens on Base mainnet
Reads a raw 32-byte storage slot value from any contract on Base mainnet via eth_getStorageAt, returning the value as hex and unsigned integer.
Returns a signed, dormant 0x swap transaction on Base that is only included by the sequencer when user-defined conditions (block range, ETH balance, storage/price predicate) are met.