{"slug":"agent402-tools-api-answer-aa9fa4","title":"A synthesized answer to a natural-language question, grounded in a live web sear","host":"agent402.tools","method":"GET","resource":"https://agent402.tools/api/answer","category":"search","description":"A synthesized answer to a natural-language question, grounded in a live web search and returned with source citations (URL, snippet). Use it when an agent needs a direct, current answer plus the receipts to verify or follow up, instead of reading several pages itself.","price_listed":0.08,"price_asked":0.08,"state":"answering","state_label":"Answering","checks_7d":1,"answered_7d":1,"latency_ms_median":935,"reported_calls_30d":64,"reported_payers_30d":1,"networks":["algorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73ktiC1qzkkit8=","eip155:10","eip155:1329","eip155:137","eip155:143","eip155:42161","eip155:42220","eip155:43114","eip155:4663","eip155:8453","solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp","stellar:pubnet"],"badge":"unverified","paid_checks_7d":0,"paid_ok_7d":0,"example_input":{"method":"GET","queryParams":{"q":"what is the x402 payment protocol?"},"type":"http"},"output_schema":{"$schema":"https://json-schema.org/draft/2020-12/schema","properties":{"input":{"additionalProperties":false,"properties":{"method":{"enum":["GET"],"type":"string"},"queryParams":{"properties":{"country":{"description":"Optional 2-letter country code (default us)","type":"string"},"language":{"description":"Optional 2-letter language code (default en)","type":"string"},"max_tokens":{"description":"Optional cap on the generated answer length in tokens (default 1024, min 64, max 4096). Lower for TL;DR; higher for research questions.","type":"integer"},"q":{"description":"Natural-language question (max 400 chars)","type":"string"}},"required":["q"],"type":"object"},"type":{"const":"http","type":"string"}},"required":["type","method"],"type":"object"},"output":{"properties":{"example":{"properties":{"answer":{"type":"string"},"citationCount":{"type":"integer"},"citations":{"items":{"properties":{"favicon":{"type":"string"},"number":{"type":"integer"},"snippet":{"type":"string"},"url":{"type":"string"}},"type":"object"},"type":"array"},"query":{"type":"string"}},"required":["query","answer","citations","citationCount"],"type":"object"},"type":{"type":"string"}},"required":["type"],"type":"object"}},"required":["input"],"type":"object"},"history":[{"day":"2026-09-24","reachable":true,"status":402,"valid_402":true,"asked_usdc":0.08,"price_match":true,"latency_ms":935,"error":null}],"description_full":"A synthesized answer to a natural-language question, grounded in a live web search and returned with source citations (URL, snippet). Use it when an agent needs a direct, current answer plus the receipts to verify or follow up, instead of reading several pages itself.","last_updated":"2026-09-24T16:01:55.746Z","schemes":["exact","upto"]}