eip155:8453
15239 resources accept payment on this network.
You
You.com Search API: real-time web search returning ranked results grouped by section (results.web, results.news), each with url, title and description; web results also carry snippets. Use when an agent needs fresh, citable web data (news, markets, company facts) to ground a decision. Query params: query (required), count 1-100 (default 10), livecrawl (web|news|all; fetches live page contents, charged per result), country, freshness. Paid per call in USDC.
Query Ethereum contract event logs via eth_getLogs - filter by contrac
Query Ethereum contract event logs via eth_getLogs - filter by contract, topic, and block range
Onchain loyalty platform on Base Network
Onchain loyalty platform on Base Network. Businesses launch branded rewards in minutes, customers earn real value with every purchase, and AI agents automate the rest via REST and MCP. Free plan mints up to 1,000 tokens per month; every call is scoped by row-level security to the wallet behind the API key. 16 skill guides at loyalspark.online/.well-known/skills/index.md.
Real-time BTC/USD price feed oracle
Real-time BTC/USD price feed oracle. Retrieves live spot rate, 24h high/low, and volume directly from Coinbase Exchange.
Paginated list of merchants (top recipients by volume)
Paginated list of merchants (top recipients by volume)
Latest crypto token prices by ticker symbol, CoinGecko id, or chain:ad
Latest crypto token prices by ticker symbol, CoinGecko id, or chain:address (BTC, ETH, SOL, or base:0x…): current spot price, token symbol, decimals, and a confidence score, for up to 50 coins in one call. Pass ?at=<unix> for the historical price at a point in time. Sourced from DefiLlama across every major chain.
Check if an Ethereum address is a contract via eth_getCode - returns d
Check if an Ethereum address is a contract via eth_getCode - returns deployed bytecode
Onchain loyalty platform on Base Network
Onchain loyalty platform on Base Network. Businesses launch branded rewards in minutes, customers earn real value with every purchase, and AI agents automate the rest via REST and MCP. Free plan mints up to 1,000 tokens per month; every call is scoped by row-level security to the wallet behind the API key. 16 skill guides at loyalspark.online/.well-known/skills/index.md.
Basis for one perpetual: mark versus oracle premium in percent and bas
Basis for one perpetual: mark versus oracle premium in percent and basis points, impact premium, current funding and the predicted next funding per venue. Use it when an agent is evaluating a cash-and-carry, comparing funding across venues or deciding whether a perp is trading rich or cheap to spot.
[OI]-compatible LLM inference API for autonomous agents
[OI]-compatible LLM inference API for autonomous agents. Supports reasoning, coding and chat workloads. Pay with USDC on Base using x402 (upto scheme, true-up billing): the 402 quotes a spending CAP (estimated input tokens + your max_tokens at the model's per-1M price), and after the model answers you are settled for the ACTUAL usage — always <= the cap, never more. Minimum $0.001, cap $3.0 per call. Cached input bills at 10%. Failed calls are never charged. Any model from GET /v1/models.
ERC20 allowance via allowance (eth_call) - how much a spender is appro
ERC20 allowance via allowance (eth_call) - how much a spender is approved to move from an owner's wallet
Simulate a read-only Ethereum contract call via eth_call - no transact
Simulate a read-only Ethereum contract call via eth_call - no transaction sent
402Signal checks the endpoint, price and recipient before your agent p
402Signal checks the endpoint, price and recipient before your agent pays, on x402 and MPP, and returns a signed record verifiable offline. $0.003 on Base, Solana, and Algorand only when a qualifying live offer is found; a miss is free. Seller payment is separate. Your agent keeps the wallet. Evidence enters the PQ Trust log on Algorand MainNet. require_route_binding=true adds a signed v4 receipt for buyer-side comparison before signing. Guide: https://402signal.com/developers#route-binding
Estimate the gas a transaction will consume via eth_estimateGas before
Estimate the gas a transaction will consume via eth_estimateGas before signing it
Coinbase's tokenized U
Coinbase's tokenized U.S. stocks on Base (B20): each token's contract, underlying ticker, live Chainlink 24/5 price (USD) with updatedAt, and minted supply (0 = no secondary liquidity yet; the quote decides). GET /v1/stocks. Secondary trading is permissionless on-chain; Regulation S, not for U.S. persons or other restricted jurisdictions.
Cryptographic hash of a text string - sha256 (default), sha512, sha1 o
Cryptographic hash of a text string - sha256 (default), sha512, sha1 or md5 - returned as hex and base64. Use it for content fingerprints, integrity checks and deterministic ids; pure computation, instant.
Look up the current owner of an ERC721 NFT by token_id via ownerOf (et
Look up the current owner of an ERC721 NFT by token_id via ownerOf (eth_call)
ERC1155 token balance via balanceOf (eth_call) - how many copies of a
ERC1155 token balance via balanceOf (eth_call) - how many copies of a token_id a wallet holds
Curated stock-market news with ticker tags, source, publisher, image,
Curated stock-market news with ticker tags, source, publisher, image, and timestamps. Pass `?ticker=AAPL` to filter. From x402stock, a pay-per-call market & economic data API for AI agents. No API key or account; pay in USDC via x402.
Extract article / main content from any URL or PDF to clean, LLM-ready
Extract article / main content from any URL or PDF to clean, LLM-ready Markdown (web scraper / reader / html-to-markdown) — strips scripts, nav, ads, and boilerplate while preserving headings, links, lists, tables, code blocks, and blockquotes; extracts the text layer from PDFs. Returns Markdown body, title, word count, and a quality grade. For JS-rendered or bot-walled pages a plain fetch can't read, use /exa/contents.