{"id":"f6d56955-b1d4-49bd-8ba0-e4e348fbe6e1","shortId":"GVxSBZ","kind":"x402","title":"Real-time web search agent via Jina AI, paid per query with USDC on Base.","tagline":"Real-time web search agent via Jina AI, paid per query with USDC on Base.","description":"This Questflow-hosted x402 endpoint exposes an advanced search agent powered by Jina AI. It accepts a natural-language query via HTTP POST and returns web search results with source citations. Payment is handled through the x402 protocol using USDC (asset 0x8335…2913) on the Base network, with a maximum cost of 0.1 USDC per request (100000 in 6-decimal units).\n\nThe endpoint accepts a JSON body with a single required field, `input` (string), containing your message or search query. The agent responds with a `response` field (string) containing the search results. The maximum timeout is 1200 seconds, suggesting the agent may perform multi-step reasoning or crawling before returning results.\n\nQuestflow is a platform focused on autonomous AI agents for onchain markets and trading. This particular agent is one of their x402-discoverable services. Documentation beyond the x402 challenge itself is sparse — no OpenAPI spec, dedicated docs page, or usage examples were found. The output schema is derived entirely from the 402 challenge payload.","tags":[],"capabilities":["web-search","real-time-search","source-citations","jina-ai-powered","x402-payment","usdc-base-network","natural-language-query"],"categories":["search","llm"],"synonyms":["web search API","internet search agent","Jina AI search","real-time search endpoint","AI web search","Questflow search agent","paid search API"],"warnings":["No OpenAPI spec or dedicated API documentation found","Response format is inferred from the x402 outputSchema description; actual response structure may differ","No rate limits or usage quotas documented","Example response is fabricated based on the schema description, not from an actual call"],"endpointUrl":"https://api.questflow.ai/x402/agent/qrn:agent:687df69db234010b7d331809","protocol":"x402","transport":"http","auth":{"type":"x402","details":[{"asset":"0xf33CAC2bB6B26e7615B1873c84e4174Ae193A9aa","extra":{"name":"AUSD","version":"2"},"payTo":"0xe2F512c05f627850029a1Ce20F80Ca866EA989dc","scheme":"exact","network":"base","mimeType":"application/json","resource":"https://api.questflow.ai/x402/agent/qrn:agent:687df69db234010b7d331809","description":"Advanced search agent powered by Jina AI with internet access capabilities. Provides real-time web search results with source citations. | Powered by Questflow","outputSchema":{"input":{"type":"http","method":"POST","bodyFields":{"input":{"type":"string","required":true,"description":"Your message to the agent"}},"discoverable":true},"output":{"response":{"type":"string","required":true,"description":"Response from the agent"}}},"maxAmountRequired":"100000","maxTimeoutSeconds":1200}]},"qualityScore":"0.520","qualityRationale":"The endpoint is live (402 challenge confirmed) with a clear output schema from the x402 payload, but there are no dedicated docs, no OpenAPI spec, and no usage examples beyond what the challenge provides. The response format is inferred from the schema description. Pricing is derivable from the challenge but not documented 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Provides real-time web search results with source citations. | Powered by Questflow","outputSchema":{"input":{"type":"http","method":"POST","bodyFields":{"input":{"type":"string","required":true,"description":"Your message to the agent"}},"discoverable":true},"output":{"response":{"type":"string","required":true,"description":"Response from the agent"}}},"maxAmountRequired":"100000","maxTimeoutSeconds":1200}],"asset_contract":"0xf33CAC2bB6B26e7615B1873c84e4174Ae193A9aa","max_timeout_seconds":1200},"createdAt":"2026-04-18T18:30:55.035Z"}],"sources":[{"listingId":"f6d56955-b1d4-49bd-8ba0-e4e348fbe6e1","source":"x402_bazaar","sourceId":"https://api.questflow.ai/x402/agent/qrn:agent:687df69db234010b7d331809","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:30:55.035Z","lastSeenAt":"2026-04-22T13:30:11.523Z"}],"details":{"listingId":"f6d56955-b1d4-49bd-8ba0-e4e348fbe6e1","quickStartSnippet":"curl -X POST https://api.questflow.ai/x402/agent/qrn:agent:687df69db234010b7d331809 \\\n  -H \"Content-Type: application/json\" \\\n  -H \"X-PAYMENT: <x402_payment_token>\" \\\n  -d '{\"input\": \"What are the latest developments in AI regulation?\"}'","exampleRequest":{"input":"What are the latest developments in AI regulation?"},"exampleResponse":{"response":"Based on recent web sources, here are the latest developments in AI regulation: ... [Source: https://example.com/article1] [Source: https://example.com/article2]"},"schema":{"input":{"type":"http","method":"POST","bodyFields":{"input":{"type":"string","required":true,"description":"Your message to the agent"}},"discoverable":true},"output":{"response":{"type":"string","required":true,"description":"Response from the agent"}}},"openapiUrl":null,"agentsTxtUrl":null,"citations":[{"claim":"Endpoint returns 402 with x402 challenge requiring USDC payment on Base network","source_url":"https://api.questflow.ai/x402/agent/qrn:agent:687df69db234010b7d331809"},{"claim":"Maximum amount required is 100000 (0.1 USDC) with asset address 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","source_url":"https://api.questflow.ai/x402/agent/qrn:agent:687df69db234010b7d331809"},{"claim":"Description states 'Advanced search agent powered by Jina AI with internet access capabilities. Provides real-time web search results with source citations.'","source_url":"https://api.questflow.ai/x402/agent/qrn:agent:687df69db234010b7d331809"},{"claim":"Maximum timeout is 1200 seconds","source_url":"https://api.questflow.ai/x402/agent/qrn:agent:687df69db234010b7d331809"},{"claim":"Questflow is a platform for autonomous AI agents focused on onchain markets","source_url":"https://api.questflow.ai"}],"useCases":["Retrieving up-to-date web information with source citations for research or fact-checking","Augmenting LLM agents with live internet search capabilities (RAG)","Building autonomous agents that need real-time web data without API key management","Paying per-query for web search results using cryptocurrency (USDC on Base)"],"bestFor":["AI agents needing on-demand web search with pay-per-use crypto payments","Developers integrating real-time search into x402-compatible agent workflows","Retrieving cited web results without managing traditional search API keys"],"notFor":["High-volume bulk web scraping or crawling (per-query payment model, 1200s timeout)","Users who need free or API-key-based search without cryptocurrency payments","Structured data extraction or site-specific scraping"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:15:19.483Z"},"updatedAt":"2026-04-22T13:30:11.523Z"}}