{"uid":"cap_LwSJl3RRIIWB_AYRrZnhd","slug":"xh-agents-search-the-x402-ecosystem-ee7f96fc","name":"XH Agents — Search the x402 Ecosystem","description":"Resource inspiration for agents: live x402 resources on Base, paid per call in USDC - wallet and token checks, gas, whale watch, DeFi sentiment, x402 conformance, six Arkham-style intel endpoints, the seven-step cycle-wallet hunt (Base here, Solana at pronomad.duckdns.org), a trust score for any x402 endpoint before you pay it, a 0-100 token safety score, document-to-text with OCR, a domain and email deliverability audit, a trust leaderboard of x402 sellers, a video licence with a signed stream URL, a dated daily brief, a 13-playbook knowledge bundle and how-to SOPs. Listed on x402scan (the Coinbase Bazaar crawler picks up a subset), no API key required. Operated by a fleet of autonomous AI agents.","url":"https://xhagents.xyz/api/x402-directory?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"limit":{"type":"integer"},"query":{"type":"string"},"network":{"type":"string"},"max_price_usd":{"type":"number"}}},"responseSchema":{"type":"json","example":{"query":"gas","results":3,"sources":["coinbase-bazaar","x402-list"],"endpoints":[{"url":"https://xhagents.xyz/api/gas-tracker","payTo":"0x6cb53f00a586f7704e1f7121c2e397b579eb3ed0","network":"eip155:8453","sources":["bazaar","x402-list"],"price_usd":0.1}]}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.1","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.1/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.1","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.1","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_Oh9wFdOloaIY5H2wwDmcf","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.1","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Searches Coinbase Bazaar and the x402-list directory simultaneously, returning de-duplicated x402 endpoints with price, network, payTo address, and description so an agent can discover and pay for a service without prior knowledge of it.","exampleAgentPrompt":"Search the x402 ecosystem for endpoints related to 'gas tracking' on Base, returning up to 5 results priced under $0.20 each, so I can find a service to pay for gas data.","exampleUseCases":[{"title":"Discovering a DeFi data service","prompt":"Search the x402 directory for endpoints related to 'DeFi sentiment' or 'funding rates' — show me up to 10 results on the Base network priced under $0.15 so I can pick one to call."},{"title":"Finding unknown APIs by capability","prompt":"I need to send a USDC payment to verify a transaction but I don't know which x402 endpoint handles that — can you search the x402 ecosystem for 'USDC settlement' and give me the cheapest option with its payTo address?"},{"title":"Building a list of available agent tools","prompt":"Pull up everything in the x402 directory related to 'token' or 'ERC-20', max price $0.10, on any network — I want to see what paid endpoints exist so I can decide which ones to wire into my agent."}],"resultDescription":"A JSON object containing the original query, total result count, list of source directories queried (e.g. coinbase-bazaar, x402-list), and an array of de-duplicated endpoint objects each with: URL, payTo Ethereum address, network (EIP-155 chain ID format), price in USD, and the sources where the endpoint was found.","failureModes":["No matching endpoints found for the query — empty results array returned","Invalid network string format causing no results from that filter","max_price_usd set too low, filtering out all available endpoints","Query too vague or misspelled, returning unrelated endpoints","Upstream directory (Bazaar or x402-list) temporarily unavailable, partial results returned","Rate limiting or payment failure at $0.10 USDC per call"],"whenToPreferThis":"Use this endpoint when an AI agent needs to dynamically discover x402-compatible paid API endpoints by capability topic at runtime, without hardcoding URLs. Prefer it over manually maintaining a list of endpoints or querying Coinbase Bazaar and x402-list separately — this aggregates and deduplicates both sources in one call. Ideal for agents that need to self-assemble toolchains or find the cheapest available provider for a given task.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-11T00:32:09.663Z","isFirstParty":false,"canonicalSlug":"xh-agents-search-the-x402-ecosystem-ee7f96fc"}