All projects on Base matching “fees”

Fee inputs for the next transaction: gas ladder for Base or Ethereum (slow/normal/fast, priority fee, max fee, EIP-1559 base fee) or the priority-fee ladder for Solana, plus the native token price. One call for the numbers a transaction builder needs.

Gas / fee estimate. Current fee tiers for a chain as decimal strings with explicit units. EVM: confidence levels (default 99/95/90/80/70) in gwei with base fee, priority fee and max fee. Aptos: deprioritized/regular/prioritized gas unit prices in octas per gas unit. Data older than its freshness budget is an error, never a stale answer.

Live gas snapshot for Base mainnet (chain 8453) read from public Base RPC: latest block number/time/utilization, base fee, eth_gasPrice, eth_maxPriorityFeePerGas, the last 10 blocks of base fees, slow/standard/fast EIP-1559 fee suggestions (10th/50th/90th percentile tips) in gwei and wei, and the estimated total cost (L2 execution + OP Stack L1 data-fee upper bound) of an ETH transfer, an ERC-20 t

Gas and priority fees on 5 chains (slow, standard, fast), live. Current gas price, next base fee and priority-fee percentiles (slow, standard, fast) for ethereum, base, arbitrum, optimism and polygon, from the last 5 blocks. Pass chain=all (default) or one chain.

Arithmetic comparison of a USDC settlement against comparator percentages YOU supply (bank_fee_pct, custodial_fee_pct) across 14 global fiat currencies. The comparators are assumptions, not measurements of any bank or provider; no protocol fee is deducted on this rail.

Current gas on one EVM chain: base fee and slow/standard/fast priority fee in gwei, and USD cost of a native transfer, an ERC-20 transfer and a Uniswap swap including the L1 data fee on rollups.

Stop opening five explorers to price one transaction: one GET returns what each chain is charging for gas right now — for base, eth, arbitrum, optimism and polygon: the current gas price in gwei (with the raw wei the RPC returned), the latest block's base fee, the priority fee a 50th-percentile transaction actually paid across the last five blocks, the next block's base fee under the EIP-1559 form

Bitcoin PSBT analyzer (BIP174/370, base64 or hex): total in/out, absolute fee and fee rate (sat/vB), high-fee sanity warnings, dust outputs, change detection (BIP32-derived outputs), RBF signaling, signed/finalized status. Read-only; nothing is broadcast or stored.

Use when a Solana-side agent needs the current network state before sending a transaction, as often as it likes. Returns the current slot, block height and block time (unix and ISO) plus a prioritization-fee summary (min, median, p75, max in microlamports per compute unit, slots sampled, suggested fee = p75) from the public RPC, optionally scoped to up to five writable accounts. $0.002 per call vi

Get one Polymarket versus Kalshi gap card with the topic, both yes prices, gap cents, a fee-adjusted net edge, buy and sell venues, and a suggested action. The fee-adjusted net edge is the number a trading wallet acts on. $0.25 USDC. Inline JSON. Includes a signed Ed25519 receipt you can check with the published key.

Monthly membership price statistics for US direct primary care (DPC), concierge and cash-pay practices in a state or within a radius of a ZIP code, city or latitude/longitude. Returns practice counts, and per practice model the minimum, 25th percentile, median, 75th percentile, maximum and mean monthly fee, plus the median enrollment fee. Based on the FindMyDirectDoctor directory, verified October

Current gas conditions on Base, read live from a public node: gas price, base fee of the latest block, suggested priority fee, latest block number and timestamp. No parameters. No third-party API, no cache.

Base gas oracle / gas price API for AI agents and bots — get the gas price for a transaction on Base in one x402 call. Real-time slow/standard/fast EIP-1559 fee tiers from a live eth_feeHistory call, returned as DROP-IN maxFeePerGas + maxPriorityFeePerGas in wei — plug straight into a viem/ethers transaction, no gwei conversion. Plus base fee, head block, and network fullness. Call it before every

Read official Base Uniswap V3 NFT and pool state at one canonical block hash. Reconcile exact token inventory and fee-growth checkpoints against optional reported raw amounts. Return signed discrepancies, reproducible inputs and uint128 accounting semantics. Recorded tokensOwed may include withdrawn principal, not only fees. Read-only; no USD valuation, trading, custody or profitability claim.

Agent Margin Router – Gas Fees: Live EIP-1559 gas fees (slow/standard/fast tiers) plus USD cost per transaction type (transfer, ERC-20 transfer, swap, NFT mint) for Base, Ethereum, Arbitrum, Optimism and Polygon. Aggregated from public RPC nodes – no API key. Pay per call with USDC or USDT on Base via x402. 3 free calls per wallet.

What a digital-product seller actually keeps per sale on Stripe Payment Links, Lemon Squeezy, Payhip, Ko-fi, Etsy and Gumroad (direct and Discover) at any price you pass: fees, keep, fee %, a ranking, merchant-of-record (who owes sales tax/VAT), extras such as international, PayPal and ads surcharges, subscription break-evens, vendor source URLs and per-row check dates. Rows older than 45 days are

Ask Gemma AI bot for general crypto information including protocols analysis, community insights, market data, news, TVL analytics, sentiment analysis, and token research. Gemma has access to: community (Telegram/Discord/Twitter/Docs analysis), dailyCommunityPulse (24h crypto news), tvl_info (DeFi TVL analytics), fees_info (protocol fees data), defillama_protocols_info (DeFi protocols info), messa

Pay the send-native execution fee (native coin transfer)

Current gas price on Base and what a transaction costs in USD right now: base fee, priority tiers, ready-to-sign maxFeePerGas.

Rug check for Arc tokens: a 0-100 safety score with the reasons, for a token or a Uniswap v4 pool. One call, one answer: should you buy this Arc pool? Pass ?pool=<v4 pool id> or ?token=0x… and get a 0-100 safety score with the reasons, fusing the pool fee from its key (on Arc the commonest trap: some pools take 49-93% of every trade), our launch watcher's real buy-then-sell round trip and what it

Cross-platform arbitrage detection between Polymarket and Kalshi: matched markets, price spreads, fee-adjusted EV. Coverage: liquid Polymarket markets in politics/geopolitics/elections/tech/economy/finance; low-volume long-tail, sports, culture, and weather are not included.

Is this Base token safe to buy, or a honeypot, rug pull or scam? Simulates a real buy and sell to prove the token can be sold and to measure buy and sell tax, then checks mint, blacklist, pause and fee powers, proxy upgradeability, owner and DEX liquidity. Input: token address. Returns a verdict (low, caution, high, avoid), a 0-100 risk score and the evidence. Check before an agent trades a token.

File what you want to buy from an agent-facing API and cannot buy today. Optional kind is typically one of coin, country, vies_country, monitor_host, sms_service — free-form values possible. The $0.01 fee is there to keep intents honest, not to sell you anything: it is not a purchase of the capability and no promise that it gets built. Optionally add the price per call you would pay and your expec

Bidirectional SPL token swap aggregator on Solana mainnet via Jupiter v6 routing across 30+ DEXs (Raydium, Orca, Meteora, Phoenix). USDC to BONK WIF POPCAT JUP RAY ORCA SOL MEW BOME or any SPL, and reverse to USDC. Two-step quote/execute x402 flow. 1% fee. AI agent swap. memecoin DEX.

A task marketplace for agents. POST {spec, reward_credits} escrows the reward and lists the task; GET lists open bounties, GET ?id=X reads one task (any state) incl. its full spec. Workers claim (/bounty/claim), submit results (/bounty/submit); the poster approves (/bounty/approve) and the worker is credited minus a 20% house fee. TO POST: hold reward_credits credits first (POST /credits/buy, $0.0

Entry point to the x402 Carbon Retirement API on Base. Returns every endpoint you need plus a live snapshot of the top 3 carbon classes and marketplace listings by liquidity. Discover, quote and certificate are free. Retiring is paid: each retirement costs the credit price plus a fee, sent from your own wallet (prepare/retire) or relayed from a signed USDC authorization (prepare-auth + POST action

Token safety check (rug check) for AI agents before buying, sending or accepting a crypto token on Base, Ethereum or Solana: give its address, get name, supply, live on-chain price and pool liquidity, plus contract controls (owner, upgradeable proxy, mint, pause, blacklist, fee setters) or Solana mint and freeze authority, with plain warnings. Facts read from the chain, not a rating.

True cost of trading xyz:TSLA on Hyperliquid, measured on Vaunt's own IOC taker orders: slippage vs mid (p50/p90 bps), taker fee paid, wall-clock to fill, fill rate, against the venue-class median, plus spread, round-trip cost, depth within 1% and funding APR. Real fills, not quotes.

Drop-in Exa-compatible search: the same request (query, numResults, category, includeDomains, excludeDomains, startPublishedDate, contents.text, contents.highlights) and response format (results with id, title, url, publishedDate, author, score, text, highlights) as Exa /search, on Google-quality authority-ranked results, $0.006 with page text included (Exa: $0.007 + per-page fees; resellers $0.01

Cross-exchange spread tick — ONE $0.02 call returns the live executable spread for a pair across Binance, Coinbase, Kraken, Bybit: best bid venue, best ask venue, spread in bps, and a deterministic TRADE / THIN / NONE verdict. Built for arbitrage monitoring loops; escalate to /api/crypto ($0.07) for the full CEX arbitrage read with fees and transfer paths. 30s freshness, no LLM in the path.