All projects matching “fees”

Pre-trade safety in one keyless call, chain auto-detected. Solana: quotes a real buy-then-sell round trip through Jupiter routing (sell route exists? round-trip loss %, price impact) plus Token-2022 traps (transfer fee, transfer hook, permanent delegate, non-transferable, default-frozen) and mint/freeze authority. Base: honeypot/sell-tax/blacklist/owner-control flags plus DEX liquidity. Returns ve

Live Base snapshot for AI agents. Each GET returns the current Base block number, base fee, gas price, ETH-USD price, and a unique receipt. Price is exactly $0.01 USDC on Base via x402. No API key and no RPC method. GET /ping returns the same snapshot. Use it as a chain read or as the cheap call that proves an x402 client can pay.

Solana transaction preview BEFORE signing: simulate an unsigned or signed legacy/v0 transaction (address lookup tables resolved) and get SOL and SPL/Token-2022 balance changes for your wallet, programs invoked (known/unknown), fee estimate and red flags (token approvals, authority/owner changes, close-to-other, wallet reassign, >90% SOL loss, simulation failure). JSON body. Optional Pre-Sign Brief

ERC-20 token safety pre-check from on-chain data only (Base, Ethereum, Arbitrum, Optimism, Polygon, BSC): name/symbol/decimals/supply, owner and whether renounced, EIP-1967/minimal proxy detection, and a bytecode scan (incl. implementation) for mint, blacklist, adjustable-fee, max-tx, trading-switch and pause functions, with flags and a risk level. Run before swapping into an unknown token. $0.005

Scrape website page to Markdown. Fetch any public web page URL and get clean, LLM-ready text or Markdown: main content, code blocks, tables, links and headings, for RAG and agent context. Static HTML, Markdown or text; optional section ID. Default 20,000 output characters, max 100,000; input 2 MiB. No JavaScript rendering (see /extract/rendered), logins or paywalls. Empty pages, bad sections, brow

VAPE rug_pull_alert — Owner-power / rug-risk flags (mint, blacklist, pausable transfers, LP concentration). Real on-chain/market data, no simulation.

A Hyperliquid account's perpetuals state — open positions, margin summary and withdrawable balance, for any 0x address.

chainquery Bitcoin RPC: pay-per-call Bitcoin Core over x402, no API key. Currently banned peer IPs and subnets from chainquery's independent full node. Bitcoin Core listbanned.

What a Base transaction costs right now, with the RPC provider and trust level behind the number, so a caller can tell a credentialed reading from a degraded one before pricing a transaction.

Newest headlines from a deduped, tiered 972-feed direct portfolio (primary sources + wires/majors + trade press + Hacker News + gated GDELT), newest first, up to 100 per call — filter by category, source, and language; every article carries tier, categories, summary/author/image when present, and a provenance-labelled tone

AI text summarization: condenses up to 20k characters into a crisp 250-word summary. Use when you have a long document, article, or transcript and need the gist before reasoning over it.

LupaPago FX quote ticket — ARS→USDC hop (rules fx-quote-v1). Ticket only, not settle.

Returns the fields described by a JSON Schema from one public HTML page (no JavaScript rendering). Charged only when ok is true.

Preflight any address on Base or Arc before paying or approving it: EOA vs contract vs EIP-7702-delegated wallet, EIP-1967 proxy implementation/admin, owner(), Safe multisig threshold, ERC-20 metadata, USDC + native balance, Sourcify verification, and risk flags.

Address Watch for 30 days: every confirmed transaction paying to or spending from one Bitcoin address, in a private feed (web, JSON, RSS) and as phone push (ntfy). Optional feed=<id> adds the address to, or extends it in, an existing feed. Returns the feed links.