Every payable service, in one index.
The public Bazaar registry, rendered — the same endpoint an agent queries.
The public Bazaar registry, rendered — the same endpoint an agent queries.
1–20 of 100 listings
Payment integration check for 0.001 USDC; no external data lookup. Returns time, rail, network mode and free/paid capabilities. HTTP payment options can include Base, Polygon, Arbitrum and XDC; the challenge lists currently available networks for each transport. The receipt identifies the paid network and transaction. Business/professional use only. Terms: https://402rates.com/data-terms/
https://api.402rates.com/v1/ping
Best-effort contract introspection via batched RPC - bytecode presence, token metadata, and ERC20-like/ERC721/ERC1155 classification
https://api.onesource.io/api/chain/contract/:address
Next transaction nonce for any Ethereum wallet via eth_getTransactionCount - how many txs it has sent
https://api.onesource.io/api/chain/nonce/:address
Check if an Ethereum address is a contract via eth_getCode - returns deployed bytecode
https://api.onesource.io/api/chain/code/:address
Web scraping API for AI agents: read any live web page as clean markdown, text or HTML. Renders JavaScript in our own headless browser, then strips navigation, ads and boilerplate. Use it when a plain HTTP GET returns empty or garbled HTML: single-page apps, dynamic feeds, or content that only appears after scripts run. Also returns the page's HTTP status. Page text is flagged untrusted so an agent treats it as input, never as instructions.
https://web.cyberwarex.com/fetch
ERC20 allowance via allowance (eth_call) - how much a spender is approved to move from an owner's wallet
https://api.onesource.io/api/chain/allowance
Apify is the largest and most trusted marketplace of tools for web scraping, crawling, data extraction, and automation. Use these tools, called Actors, to extract structured data from social media, e-commerce sites, search engines, maps, travel sites, or any other website. Turn the open web into a real-time data source for your research, lead generation, and monitoring.
https://agi.apify.com/protocols/x402/prepaid-tokens
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.
https://crypto.apitoll.cloud/v1/crypto/price
Latest SEC EDGAR filings for any US-listed company by stock ticker or CIK: 10-K annual reports, 10-Q quarterly reports, and 8-K material events. Resolves ticker to CIK via SEC's official index and returns the parsed filing (company, form type, dated items). Sourced live from data.sec.gov.
https://edgar.apitoll.cloud/v1/edgar/filings
Verify that an agent wallet can complete an x402 v2 payment using USDC on Base mainnet before purchasing production art data.
https://theartillerist.com/api/v1/x402-trial
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.
https://www.ax1.vc/api/dashboard/q-verdict/resource
Search 10,000+ gift card & voucher brands across 180+ countries by name and country. Pay in USDC via x402, no account.
https://api.bitrefill.com/x402/gift-cards/search
Pay a Bitrefill invoice in USDC via x402 to buy gift cards, eSIMs & mobile top-ups across 180+ countries.
https://api.bitrefill.com/x402/invoice/pay
Discover the Bitrefill x402 storefront: supported networks, the full route flow, and wallet persistence rules.
https://api.bitrefill.com/x402/checkout/info
Latest Ethereum block height - current chain tip via eth_blockNumber
https://api.onesource.io/api/chain/block-number
AI chat completions API - pay per request with USDC on Base
https://blockrun.ai/api/v1/chat/completions
Query Polymarket markets with filtering, sorting, and pagination
https://blockrun.ai/api/v1/pm/polymarket/markets
Neural and keyword web search. Optional category filter: company, research paper, news, pdf, github, tweet, personal site, linkedin profile, financial report.
https://blockrun.ai/api/v1/exa/search
Extract full text content from specific URLs. Priced at $0.002/URL plus a $0.001 transaction fee per call — total = urls.length × $0.002 + $0.001.
https://blockrun.ai/api/v1/exa/contents
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.
https://api.onesource.io/deepstate/v1/book/:book