{"id":"462d562c-ab67-4abf-b607-8a9cbc71127f","shortId":"wt2tj8","kind":"x402","title":"Multi-agent AI swarm endpoint on Questflow, paid per-request via x402 on Base with USDC.","tagline":"Multi-agent AI swarm endpoint on Questflow, paid per-request via x402 on Base with USDC.","description":"This x402-enabled endpoint exposes a collaborative AI swarm hosted by Questflow. The swarm accepts a text prompt via HTTP POST and returns a text response generated by multiple coordinated AI agents working together. Payment is handled inline using the x402 protocol: each request costs up to 0.50 USDC (maxAmountRequired of 500000 in 6-decimal USDC units) on the Base network, paid to the specified wallet address.\n\nThe interface is minimal: send a JSON body with an `input` string field and receive a JSON object containing a `response` string. The x402 challenge specifies a maximum timeout of 1200 seconds (20 minutes), suggesting the swarm may perform non-trivial multi-step reasoning or coordination before returning a result. No OpenAPI spec or detailed API documentation is available; the schema is derived entirely from the x402 payment challenge's `outputSchema`.\n\nQuestflow is a platform focused on autonomous AI agents for onchain markets (prediction markets, meme coins, trading). This particular swarm endpoint is identified by the QRN `qrn:swarm:68f05c8a0ebd74a7911a7f7a`. Beyond the x402 challenge metadata and the platform's marketing site, there is no additional technical documentation describing the swarm's internal architecture, agent count, specialization, or quality guarantees.","tags":[],"capabilities":["multi-agent-swarm","text-generation","x402-payment","usdc-base-network","collaborative-reasoning"],"categories":["llm","agents"],"synonyms":["AI swarm","multi-agent system","collaborative AI","Questflow swarm","agent coordination","x402 AI endpoint","paid AI API"],"warnings":["No API documentation found (all /docs, /api, /README routes return 404)","No OpenAPI or ai-plugin manifest available","Swarm internals (agent count, models used, coordination strategy) are completely opaque","maxTimeoutSeconds of 1200 suggests potentially very long response times","Pricing is inferred from maxAmountRequired; actual per-request cost may vary"],"endpointUrl":"https://api.questflow.ai/x402/swarm/qrn:swarm:68f05c8a0ebd74a7911a7f7a","protocol":"x402","transport":"http","auth":{"type":"x402","details":[{"asset":"0xf33CAC2bB6B26e7615B1873c84e4174Ae193A9aa","extra":{"name":"AUSD","version":"2"},"payTo":"0x01bB181B45d2a540dd40122dab6a91Ac844b4256","scheme":"exact","network":"base","mimeType":"application/json","resource":"https://api.questflow.ai/x402/swarm/qrn:swarm:68f05c8a0ebd74a7911a7f7a","description":"A collaborative AI swarm system that enables multiple AI agents to work together seamlessly, coordinating tasks and sharing knowledge to solve complex problems more effectively than individual AI systems. | 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":"500000","maxTimeoutSeconds":1200}]},"qualityScore":"0.300","qualityRationale":"No OpenAPI spec, no dedicated API docs, and no usage examples are available. The only technical detail comes from the x402 payment challenge's outputSchema, which defines a single input/output string pair. The swarm's internal behavior, agent composition, and reliability are entirely 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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":"500000","maxTimeoutSeconds":1200}],"asset_contract":"0xf33CAC2bB6B26e7615B1873c84e4174Ae193A9aa","max_timeout_seconds":1200},"createdAt":"2026-04-18T06:06:28.637Z"}],"sources":[{"listingId":"462d562c-ab67-4abf-b607-8a9cbc71127f","source":"x402_bazaar","sourceId":"https://api.questflow.ai/x402/swarm/qrn:swarm:68f05c8a0ebd74a7911a7f7a","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T06:06:28.637Z","lastSeenAt":"2026-04-22T04:00:45.405Z"}],"details":{"listingId":"462d562c-ab67-4abf-b607-8a9cbc71127f","quickStartSnippet":"curl -X POST https://api.questflow.ai/x402/swarm/qrn:swarm:68f05c8a0ebd74a7911a7f7a \\\n  -H 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