Find paid APIs and MCP servers that actually answer.
ToolVet calls every x402 endpoint and MCP server on a schedule, checks what it really charges, and scores it out of 100. Search it here, or let your agent query it for a fraction of a cent.
Try web searchcompany enrichmenttoken pricesscrape to markdown
Highest trust right now
Browse all 54.5K- 90trustChain Nonceapi.onesource.io
Next transaction nonce for any Ethereum wallet via eth_getTransactionCount - how many txs it has sent
$0.003per call on Base100% uptime, 256 ms, 394 paying agentsPassing, checked 48 min ago - 90trustDeepstate Bookapi.onesource.io
Deepstate, the on-chain order-book exchange on Robinhood Chain. Order-book snapshot for a market, bids descending and asks ascending, with live resting size per level.
$0.005per call on Base100% uptime, 147 ms, 361 paying agentsPassing, checked 48 min ago - 90trustChain Network Infoapi.onesource.io
EVM network info - chain ID, block height, gas price, chain head age, and chain characteristics in one batched RPC call (eth_chainId + eth_blockNumber + eth_gasPrice + latest block header)
$0.001per call on Base100% uptime, 147 ms, 359 paying agentsPassing, checked 48 min ago - 90trustDeepstate Statsapi.onesource.io
Deepstate, the on-chain order-book exchange on Robinhood Chain. Rolling 24h / 7d / 30d volume and price change for a market.
$0.005per call on Base100% uptime, 277 ms, 346 paying agentsPassing, checked 48 min ago - 90trustDeepstate Marketsapi.onesource.io
Deepstate, the on-chain order-book exchange on Robinhood Chain. Lists the markets this service serves with their token layout (base, quote, token0/token1, decimals).
$0.005per call on Base100% uptime, 277 ms, 346 paying agentsPassing, checked 48 min ago - 90trustDeepstate Candlesapi.onesource.io
Deepstate, the on-chain order-book exchange on Robinhood Chain. OHLCV candles for a market.
$0.005per call on Base100% uptime, 152 ms, 342 paying agentsPassing, checked 48 min ago - 90trustDeepstate Tradesapi.onesource.io
Deepstate, the on-chain order-book exchange on Robinhood Chain. Trade tape for a market, newest first.
$0.005per call on Base100% uptime, 149 ms, 332 paying agentsPassing, checked 48 min ago - 90trustChain Txapi.onesource.io
Full Ethereum transaction details by hash via eth_getTransactionByHash - from, to, value, calldata, block
$0.008per call on Base100% uptime, 161 ms, 327 paying agentsPassing, checked 48 min ago
Most paid-for this month
Unique paying wallets over 30 days, as reported by the x402 Bazaar.
- 87trustDashboard Q VerdictAX1 Console
Send a Base token contract address, get an AI-written verdict: onchain metrics, a plain-language take, and a shareable verdict card. Entertainment, not trading advice.
$0.02per call on Base100% uptime, 457 ms, 4667 paying agentsPassing, checked 48 min ago - 87trustChain Erc20 Balanceapi.onesource.io
ERC20 token balance for any Ethereum wallet - USDC, USDT, DAI, or any token - via balanceOf (eth_call) on OneSource live Ethereum RPC
$0.003per call on Base100% uptime, 670 ms, 604 paying agentsPassing, checked 48 min ago - 87trustChain Block Numberapi.onesource.io
Latest Ethereum block height - current chain tip via eth_blockNumber
$0.001per call on Base100% uptime, 791 ms, 575 paying agentsPassing, checked 48 min ago - 87trustChain Live Balanceapi.onesource.io
Live wallet balance - native ETH plus up to 20 caller-supplied ERC20 tokens in one bounded RPC batch
$0.003per call on Base100% uptime, 793 ms, 537 paying agentsPassing, checked 48 min ago - 83trustChain Erc20 Transfersapi.onesource.io
ERC20 Transfer logs via eth_getLogs - raw Transfer events for a token or wallet
$0.005per call on Base100% uptime, 919 ms, 453 paying agentsPassing, checked 48 min ago - 87trustChain Contractapi.onesource.io
Best-effort contract introspection via batched RPC - bytecode presence, token metadata, and ERC20-like/ERC721/ERC1155 classification
$0.005per call on Base100% uptime, 795 ms, 452 paying agentsPassing, checked 48 min ago
Categories
- Search & web5515
Web search, scraping, crawling, page reading and browser automation.
- Company & people data2701
Enrichment, lead data, company lookups, contact finding and verification.
- Onchain & crypto6449
Chain reads, wallets, tokens, DeFi analytics and transaction data.
- Markets & finance9453
Stocks, FX, prices, fundamentals, economic data and payments.
- News & content1325
News feeds, social media, articles, research and media.
- AI models & inference1786
LLM completions, embeddings, image/video/audio generation and speech.
- Documents & files3142
PDF, OCR, file conversion, parsing and storage.
- Email & messaging1351
Email sending and validation, SMS, chat and notifications.
- Weather & location2501
Weather, geocoding, maps, places and travel data.
- Developer tools10219
Code, git, CI, databases, cloud, monitoring and infrastructure.
- Productivity & SaaS652
Docs, calendars, project management, notes and business apps.
- Security & trust2530
Risk scoring, fraud, KYC, security scans and verification.
- Other6909
Everything else.
For agents
Query the directory over plain HTTP or MCP. Paid calls settle in USDC through x402, so there are no keys or accounts to set up.
curl -i "https://toolvet.app/api/v1/search?q=weather+forecast"
# HTTP/1.1 402 Payment Required
# PAYMENT-REQUIRED: <price, network, pay-to>
# pay with any x402 client, then retryFor API owners
- Listing is free. Paid x402 endpoints in the Bazaar are added automatically.
- Verify ownership to earn the badge and 10 trust points.
- Feature a healthy listing in clearly labelled sponsored slots.