{"uid":"cap_MG9L9W5vJC45p-aBd33Go","slug":"tariffmonkee-a2a-agent2agent-json-rpc-gateway-6009755c","name":"TariffMonkee A2A Agent2Agent JSON-RPC Gateway","description":"A2A (Agent2Agent) protocol JSON-RPC endpoint, SendMessage only. Authorizes up to $0.75 (the highest-priced skill); settlement charges the invoked skill's real per-skill price. Base (EVM) only -- for Solana use the REST or MCP endpoints. See /.well-known/agent-card.json for the skill catalog and per-skill pricing.","url":"https://tariffmonkee.com/paid/a2a","method":"POST","headers":{},"bodySchema":{"properties":{"input":{"type":"object","required":["type","method","bodyType","body"],"properties":{"body":{"type":"object"},"type":{"type":"string","const":"http"},"method":{"enum":["POST"],"type":"string"},"bodyType":{"enum":["json"],"type":"string"}},"additionalProperties":false}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.75","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":"$0.75/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.75","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.75","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_2hzrHf16Z7oIaS_O8AN5B","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.75","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Accepts Agent2Agent (A2A) protocol JSON-RPC SendMessage calls to invoke any skill in the TariffMonkee skill catalog at a flat $0.02 USDC per call.","exampleAgentPrompt":"Send a task to TariffMonkee's A2A gateway asking it to fetch and summarize the content at https://example.com/article — use the SendMessage method and pay the $0.02 per call fee.","exampleUseCases":[{"title":"Web content fetch via agent protocol","prompt":"Use TariffMonkee's A2A endpoint to fetch and render the page at https://techcrunch.com/latest and return it as clean Markdown — send it as a JSON-RPC SendMessage."},{"title":"Search query dispatched by agent","prompt":"Route a search query for 'best AI frameworks 2025' through TariffMonkee's A2A gateway using the SendMessage method and bring back the top results."},{"title":"AI-readiness check for a website","prompt":"Send a TariffMonkee A2A message to check whether https://myshop.io is AI-ready — I want to know about its schema.org markup and crawlability."}],"resultDescription":"A JSON-RPC response conforming to the A2A protocol, containing the result of whichever TariffMonkee skill was invoked — could be rendered page Markdown, search results, structured extracted data, screenshots, PDFs, or other skill-specific outputs depending on the skill called.","failureModes":["Payment not settled — x402 payment failure returns an error before skill execution","Invalid JSON-RPC body — malformed SendMessage payload returns a parse or invalid request error","Unknown or unsupported skill — if the message targets a skill not in the catalog, an error is returned","Network timeout — rendered browser skills may time out on slow pages","Rate limiting — excessive calls in a short window may be throttled"],"whenToPreferThis":"Prefer this endpoint when your agent is already speaking the A2A (Agent2Agent) protocol and wants a single stable endpoint to dispatch multiple different TariffMonkee skills (web fetch, search, screenshot, PDF, structured extraction, AI-readiness checks) under one flat $0.02 per call pricing model. It is ideal for agent orchestration frameworks that route tasks dynamically based on the skill catalog at /.well-known/agent-card.json, rather than hardcoding individual REST endpoints per capability.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-13T12:39:34.091Z","isFirstParty":false}