bess-x402.onrender.com · 159 listed services · provider site
Current policy interest rates of about 40 central banks (Fed, ECB, BoE, BoJ, PBoC, SNB, RBI...) with the date of the latest value, highest first, from the BIS. Filter by country or currency code.
Total supply, name, symbol and decimals of an ERC-20 or ERC-721 contract, read on-chain. Use for market-cap math, supply checks and token due diligence.
Read a raw storage slot of any contract (eth_getStorageAt), also decoded as uint and address. Use for proxy slots, packed variables and debugging.
Receipt of a mined EVM transaction: success or revert, gas used, effective gas price, fee (and L2 L1 fee), created contract and event logs with Transfer and Approval decoded. Use to confirm a payment or swap.
Detect upgradeable proxies: EIP-1967 transparent/UUPS, beacon, EIP-1822, ZeppelinOS, EIP-1167 clones and Safe-style proxies, returning implementation, admin and beacon addresses. Use for audits and to fetch the real ABI.
Next transaction nonce of an EVM address (confirmed and pending), pending tx count, native balance, contract flag and EIP-7702 delegate. Use before signing or to detect stuck transactions.
Current owner of an ERC-721 NFT by contract and token ID. Use to verify ownership for token gating, sales or airdrops.
Live state of an EVM network: chain ID, latest block number and age, gas price, base and priority fee, block gas use and tx count. Use as a health check before sending transactions.
Estimate the gas a transaction will use (eth_estimateGas) and its cost at the current gas price, with a 20% buffer; fails clearly when the call would revert. Use before signing.
An EVM block by number or tag (latest, finalized, safe): hash, parent, time, miner, gas used and limit, base fee, size and its transaction hashes.
How much a spender (router, Permit2, protocol) is approved to move from an owner's ERC-20 balance, with an unlimited-approval flag. Use to check approvals before a swap or to audit risky approvals.
Price of a coin in KRW on Upbit and Bithumb with 24h change, high/low and volume, plus the kimchi premium versus the global USD price. Use for Korea arbitrage signals and local pricing.
Email authentication audit of a domain: MX, SPF (lookup count and policy), DMARC policy and reporting, DKIM on common selectors, MTA-STS, TLS-RPT and BIMI, graded A-F with fixes. Use for deliverability and phishing-risk...
Score 0-100 how ready a website is for AI agents: llms.txt, agent card, MCP manifest, OpenAPI spec, x402 payments, AI-crawler rules in robots.txt, sitemap and structured data, with suggestions.
Call any read-only contract function without a transaction or ABI file: give the signature with return types, e.g. balanceOf(address)(uint256) or getReserves()(uint112,uint112,uint32), plus arguments; returns decoded val...
Metadata of an ERC-721 or ERC-1155 token: token URI resolved from IPFS, Arweave, data URI or https into name, description, image link and traits. Use for NFT displays, rarity or appraisal.
Event logs a contract emitted (eth_getLogs), filtered by event signature such as Transfer(address,address,uint256) or a topic hash, over a block range (max 5,000 blocks, default last 100). Use to monitor swaps, mints or...
Recent ERC-20 Transfer events for a token, a wallet (in and out) or both over the last N blocks (max 5,000), with sender, receiver and amount in token units. Use to confirm incoming payments or watch whale moves.
Decode EVM transaction input data: looks up the 4-byte function selector and decodes every argument (addresses, amounts, arrays). Use to see what a transaction or signing request will really do.
What is at an EVM address: wallet (with EIP-7702 delegate) or contract, bytecode size, token standard (ERC-20/721/1155), name, symbol, decimals, supply, owner() and proxy implementation. Use before interacting with an un...
Lint a Dockerfile for security and best practice: unpinned or latest images, running as root, secrets in ENV/ARG, curl piped to sh, ADD of URLs, apt and pip caches, sudo, chmod 777, missing HEALTHCHECK. Scored.
Aave V3 position of any wallet: collateral, debt and remaining borrowing power in USD, LTV, liquidation threshold, health factor and how far collateral can fall before liquidation. Use for liquidation alerts.
Whale alerts: the largest recent ERC-20 transfers (default USDC over $1M) in the latest blocks, with sender, receiver, amount and mint/burn flag. Works for USDC, USDT, DAI or any token on 5 EVM chains.
Check up to 50 crypto addresses (ETH, BTC, TRX, USDT, SOL and more) against the OFAC SDN list's digital currency addresses: PASS or BLOCK with the sanctioned party and program. Use as a pre-payment AML gate.
Heuristic rug and honeypot risk check of an ERC-20 before buying: owner and renouncement, upgradeable proxy, mint, pause, blacklist, fee and trading switches found in the bytecode, readable buy/sell tax, and a 0-100 risk...
Screen a person or company name against the US Treasury OFAC SDN list including aliases, with fuzzy matching: match score, entity type, sanctions programs and remarks. Use for KYC, payouts and onboarding.
Subdomains of a domain found in public Certificate Transparency logs (crt.sh), with first certificate and current validity date. Use for attack-surface mapping, asset inventory or competitor research.
A site's robots.txt rules per user agent, whether AI crawlers (GPTBot, ClaudeBot, Google-Extended, CCBot, PerplexityBot) are blocked, and the URLs listed in its sitemap. Use before crawling a site or for SEO audits.
Every link on a web page with its anchor text, split into internal and external, with nofollow flags and the most-linked external domains. Use for SEO audits, crawling, backlink research or broken-link checks.
Who owns an IP address (or a hostname's IP): ASN, network holder, announced prefix, regional registry, country, approximate city and coordinates, reverse DNS. Use for fraud checks, log analysis or finding a site's host.
Provider identity is derived from the domain or repository in the source record. If two vendors share a host, they appear together here — that is a limitation of the data, not a statement about ownership.