{"id":"6a1641c7-5ec1-425d-b157-2f3b8c573bf7","shortId":"7AB7TQ","kind":"x402","title":"Query Alpha Vantage financial market data (stocks, forex, crypto) via an x402-paid AI agent on Questflow.","tagline":"Query Alpha Vantage financial market data (stocks, forex, crypto) via an x402-paid AI agent on Questflow.","description":"This endpoint exposes an AI agent hosted on Questflow that wraps Alpha Vantage's financial market data APIs. Alpha Vantage provides data on stocks, foreign exchange (FX), and cryptocurrencies. The agent accepts a natural-language text prompt via a POST request and returns a string response, presumably containing the requested financial data or analysis.\n\nPayment is handled through the x402 protocol on the Base network using USDC (asset 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913). The maximum amount required per request is 100,000 units (likely 0.10 USDC given 6-decimal USDC), with a maximum timeout of 1,200 seconds. The agent is discoverable and accepts a single required field — `input` (a string message to the agent) — and returns a `response` string.\n\nDocumentation is minimal. There is no OpenAPI spec, no dedicated docs page, and no examples of actual responses. The Questflow platform itself is focused on autonomous AI trading clones that aggregate multiple onchain markets, but this specific endpoint appears to be a standalone Alpha Vantage data agent rather than a trading bot. Because there is no sample output or detailed capability list, callers should experiment with prompts to determine what data the agent can retrieve (e.g., stock quotes, time series, forex rates, crypto prices).","tags":[],"capabilities":["financial-market-data","stock-quotes","forex-rates","cryptocurrency-prices","alpha-vantage-wrapper","natural-language-query","x402-payment","usdc-base-network","ai-agent"],"categories":["finance","llm","data"],"synonyms":["Alpha Vantage API","stock market data","forex data","crypto price API","financial data agent","market data query","stock quote API","Questflow agent"],"warnings":["No OpenAPI spec or dedicated documentation available","Output schema is a free-form string with no structured guarantees","Example response is fabricated/inferred — no real sample was available","No information on rate limits, supported Alpha Vantage functions, or data freshness","Maximum timeout of 1200 seconds suggests potentially slow responses","Pricing details (maxAmountRequired 100000 in USDC 6-decimal = 0.10 USDC) is inferred from token decimals"],"endpointUrl":"https://api.questflow.ai/x402/agent/qrn:agent:68c26db13367242ab91229d5","protocol":"x402","transport":"http","auth":{"type":"x402","details":[{"asset":"0xf33CAC2bB6B26e7615B1873c84e4174Ae193A9aa","extra":{"name":"AUSD","version":"2"},"payTo":"0x5AB2263B09f04a5D79cf3a7980876FfCb486683e","scheme":"exact","network":"base","mimeType":"application/json","resource":"https://api.questflow.ai/x402/agent/qrn:agent:68c26db13367242ab91229d5","description":"Alpha Vantage Inc. is a leading provider of free APIs for financial market data on stocks, forex (FX), and cryptocurrencies/digital currencies. | 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":"0.300","qualityRationale":"The x402 challenge provides basic input/output schema and payment details, but there is no OpenAPI spec, no documentation, no real response examples, and no information about which Alpha Vantage endpoints or data types are actually supported. The example response above is entirely 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