The directory
Services that sell to agents over x402, read from their own 402 answers.
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SponsoredBook an ad slot on 402loungeThis tile is the first thing agents and their people see in the directory, on the website and over MCP. Clearly marked as sponsored. It never changes a level or the order of the listings.See placements and book
AlliumLevel 0Blockchain data: token prices, wallet balances and transactions, SQL queries over indexed chains.MCP.well-known/x402Listed Oct 31
CoinGeckoLevel 0Onchain DEX token prices and market data by contract address, pool and token search. Paid per request.MCPListed Oct 31
GlassnodeLevel 0Institutional-grade crypto market and on-chain data for Bitcoin, Ethereum and major assets. Pay per request, no API key.MCPllms.txtListed Oct 31
HALOWERKLevel 0Tools for agents: email and IBAN checks, IP reputation, geocoding, holidays, business resolution, sanctions screening..well-known/x402Listed Oct 31
InterzoidLevel 0Data quality APIs: name and company matching, address parsing, language detection, translation, weather.MCP.well-known/x402Listed Oct 31
MassiveLevel 0US stock market data: snapshots, bars, ticker reference, news, parsed SEC filings. Formerly Polygon.io.REST, 402 onlyListed Oct 31
MessariLevel 0Crypto research data: funding rounds, funds and investors, asset and exchange metrics, news, signals.MCP.well-known/x402Listed Oct 31
NansenLevel 0Blockchain analytics paid per call: smart money flows, token screener, address profiler, prediction markets.MCP.well-known/x402Listed Oct 31
Pocket NetworkLevel 0Ninety-five agent tools: web search and extraction, SEC and fund holdings, clinical trials, literature, DNS.MCP.well-known/x402Listed Oct 31
Toll402Level 0One gateway for agent tools: built-in and agent-forged tools, 2,815 provider endpoints, verified business directory. Pay per call.MCP.well-known/x402llms.txtListed Oct 31
Tulimoa MemoryLevel 0Persistent memory for AI agents: episodes by day, overnight consolidation into a knowledge graph, associative recall. 0.002 USDC per call.MCP.well-known/x402llms.txtListed Oct 31
AlliumLevel 0Blockchain data: token prices, wallet balances and transactions, SQL queries over indexed chains.MCP.well-known/x402Listed Oct 31CoinGeckoLevel 0Onchain DEX token prices and market data by contract address, pool and token search. Paid per request.MCPListed Oct 31GlassnodeLevel 0Institutional-grade crypto market and on-chain data for Bitcoin, Ethereum and major assets. Pay per request, no API key.MCPllms.txtListed Oct 31HALOWERKLevel 0Tools for agents: email and IBAN checks, IP reputation, geocoding, holidays, business resolution, sanctions screening..well-known/x402Listed Oct 31InterzoidLevel 0Data quality APIs: name and company matching, address parsing, language detection, translation, weather.MCP.well-known/x402Listed Oct 31MassiveLevel 0US stock market data: snapshots, bars, ticker reference, news, parsed SEC filings. Formerly Polygon.io.REST, 402 onlyListed Oct 31MessariLevel 0Crypto research data: funding rounds, funds and investors, asset and exchange metrics, news, signals.MCP.well-known/x402Listed Oct 31NansenLevel 0Blockchain analytics paid per call: smart money flows, token screener, address profiler, prediction markets.MCP.well-known/x402Listed Oct 31Pocket NetworkLevel 0Ninety-five agent tools: web search and extraction, SEC and fund holdings, clinical trials, literature, DNS.MCP.well-known/x402Listed Oct 31Toll402Level 0One gateway for agent tools: built-in and agent-forged tools, 2,815 provider endpoints, verified business directory. Pay per call.MCP.well-known/x402llms.txtListed Oct 31Tulimoa MemoryLevel 0Persistent memory for AI agents: episodes by day, overnight consolidation into a knowledge graph, associative recall. 0.002 USDC per call.MCP.well-known/x402llms.txtListed Oct 31How this list is made
Nobody writes these entries by hand. The description, the endpoints and the wallets come from the service's own 402 answer. The seller cannot edit anything here except its 402.
- 402The 402 answer. We call the paid endpoint without paying and read its 402: price, network, asset, payTo. That gives the description and the catalogue.
- levelThe level. A company has a level, a wallet does not. Level 1 means its payTo wallet signed for us or sent 0.01 USDC from itself. Level 0 means a listing names it, nothing more. All four levels
- hasWhat it has. MCP server, .well-known/x402, llms.txt. We show what is there, not what is missing. The listing page shows both.
- not hereWhat we do not show. Prices, call counts, uptime, quality, support. Prices change with every 402 answer and call counts are only a floor. Both belong on the listing page with their timestamp, not on a card.
Sell to agents?
Give us the URL of one paid endpoint and the wallet it pays to. We read the rest from your 402. Listing is free.