All projects on Base matching “usd”

Starts a website migration comparison: checks page existence, content and visual regression between a source site and its migrated copy, then produces a report with screenshots. Use it to verify a migration or redesign before go-live. Priced on the pages it compares (the urls list, or the pages discovery finds, at most the optional maxPages ceiling), no page limit: 0.02 USD per page for the first

Coin price in USD

The EIP-155 chain ID for any supported network via eth_chainId — the read multi-chain agents make to confirm which chain an RPC is on before signing. Across Base, Ethereum, Optimism, Arbitrum, Polygon, Gnosis. Free public RPC; 6 chains vs onesource's Ethereum-only coverage. List your own x402 service on bazaar.agentexchange.work/listings: 1 USD, 30 days, live at once, no account.

Try with $0.050 in free shared credit once per wallet. No deposit or on-chain transaction; wallet sign-in required. Credit, daily budget and availability apply. Analyze a selected Base token pool: USD liquidity, 24h volume, price change, rule-based observations and an AI summary with sources. For agent market reports, not contract-security checks or investment advice. Paid price: $0.015. Docs: htt

LLM cost scout: send your monthly OpenAI API spend in USD and get back the flat ChatGPT/Codex subscription tier that absorbs it through the ProxyLLM gateway, the exact new monthly total and savings, the live model catalog, and machine-readable signup steps an agent can complete autonomously (email OTP, no browser).

Problem: Select a supported execution plan against the supplied cost, depth, duration limits, and weights. Input: JSON with plans, weights, maximum cost usd, maximum depth, maximum duration seconds. Result: ranked feasible plans, objective scores, selected plan identity. Limits: Local software evidence only; 4096 operations; 65536 request bytes.

Official central-bank exchange rate for one Latin American currency against USD (BRL PTAX, ARS BCRA, COP TRM, PEN BCRP, MXN FIX), with source, date and staleness flag.

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 Recorded tokensOwed may include withdrawn principal, not only fees.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.

Purchase dossier for the domain agentfive.ai: fixed price US$5,000,000 USD, every payment route (USDC on Base, escrow, marketplace), the transfer procedure and the seller's attestation. Use when an agent or its operator wants to buy this domain name.

Keyword-route a natural-language need to the best Rainmaker well ($0.005 USDC via x402). Returns well id, origin, tool, price_usd, mcp URL, and why. After recommend, open that origin's /mcp directly — gateway does not proxy (avoids double-charge). Free alternative: list-wells.

Paid MCP endpoint — POST a JSON-RPC tools/call. Tools: get_content / refresh_content (public profile data: github, twitter, linkedin) and the rep_* wallet-reputation tools (rep_rank, rep_rank_batch, rep_achievements, rep_persona_match, rep_profile_report). Flat USD prices per call, quoted in the 402.

A Lasso EVM RPC key funded with this USD credit: one endpoint per chain, routed across providers with failover. The paid response returns the key and its RPC URL.

Ranks models cheapest first by blended USD per 1M tokens (inputShare weights input vs output). Filter by provider, mode, minContextTokens, input/output modality, function calling, vision and price caps. Skips sample_spec and models past their deprecation date.

One verdict on a concrete order before it is sent: effective price, slippage in bps and in USD, how much of the visible book the order eats, and the largest size that still fits your slippage budget. Walks the live order book level by level (you never download the book) and answers ok / ajustado / riesgo with the reasons. Use it to size an order, to compare venues, or before quoting a fill.

Commit a SIGNED live call: an ed25519-signed prediction (yes/no) on an OPEN Polymarket market, chain-linked (prev_hash) and content-addressed (sha256). Refuses resolved/closed markets — the signature must precede the outcome. Tamper-evident by construction; verify free at GET /verify. Body: {condition_id, side: yes|no, size_usd?, note?}.

Return a USD spot-price consensus for BTC, ETH, SOL, or USDC using fixed public CoinGecko, Coinbase, and Kraken routes.

Gas for agents, cross-chain: pay USDC on Base with a gasless x402 payment (works with 0 ETH anywhere) and receive native gas on Base, Arbitrum, Optimism (ETH) or Polygon (POL) at any address. Price = native value at Chainlink spot +20% +$0.02. Params: to (optional; defaults to the payer), chain (base|arbitrum|optimism|polygon), amount (alias eth) or usd. Max $2/order. Auto-refund in USDC if we can

Current cryptocurrency price in USD and EUR with 24-hour change, by coin id (bitcoin, ethereum, solana, and any other). Use it to look up what a token costs right now, or to price something in crypto. Returns price, 24h change and data source.

Full unclaimed-crypto report for one wallet: which open airdrops, reward distributions, refunds and forgotten balances it can still claim (Uniswap 2020 UNI, Merkl on Ethereum/Base/Arbitrum/Optimism/Polygon, Doppler XDP, Drift recovery, CAPX, defunct-DEX ETH), with amounts, USD estimates, deadlines and official claim links. Read-only. Wallets with zero open claims are refused before payment.

Nigerian mobile airtime top-up for MTN, Airtel, Glo and T2mobile. POST {net, msisdn, amount} with amount in Naira; priced in USD at the live NGN rate and paid in USDC or USDT. No API key or signup.

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

Live Chainlink price for ETH, BTC, LINK, USDC, USDT, DAI, SOL, AAVE, UNI, stETH, cbETH, ARB, OP, POL or BNB in USD, read with latestRoundData() from verified aggregator contracts on ethereum, base, arbitrum, optimism, polygon and bsc. Omit chain to read every chain that has the pair and get the median, the cross-chain spread and each feed's age in seconds (to apply your own staleness limit), round

Smart-money positioning for one Hyperliquid perp: how the 120 most profitable Hyperliquid accounts (30-day PnL, public leaderboard, rules-based) are positioned right now: traders long vs short, long/short/net notional in USD, bias (strong long / lean long / mixed / lean short / strong short), 1h and 24h net notional flow, snapshot age, cohort coverage. Fail-closed: stale or low-coverage snapshots

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.

Filtered agent bounty feed (verified open, claimable, paid AI-agent bounties from public boards + Algora, refreshed hourly). Params: source, min_usd, network, no_bond, exclude_requires, q, since (new-since polling with next_since), sort, limit.

Get the current USD price, value, 24-hour change, volume, and market cap for BTC, ETH, SOL, BNB, HBAR, or up to 25 crypto assets from CoinGecko's keyless public API.

Precio actual de BTC en USD (fuente: CoinGecko publico)

BentCrypto Base Exit Simulation - estimate token exit routes, output, price impact and gas for a requested USD size without executing a trade.

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