x402 endpoints offering Alpha Vantage data — resale-authorization audit
3 machine-payable (x402) endpoints in the public discovery registries exhibit reseller signatures referencing Alpha Vantage while hosted off Alpha Vantage's own domains. Resale-authorization status: unknown — suspected unauthorized resale, verification recommended. Any of these endpoints may hold a legitimate redistribution license.
Context: Alpha Vantage free-tier keys are not licensed for paywalled redistribution.
3suspected reseller endpoints
0high-confidence signatures (≥70/100)
1with paid activity in the last 30d
0live-402 confirmed by probe
Scan of 23,376 unique x402 endpoints on 2026-07-05, sources: Coinbase Bazaar + GoPlausible registry. Payment counts come from the registries' own published 30-day quality signals. Evidence bullets are automated signature matches — see the methodology for signal definitions, false-positive modes, and the dispute path. If you are on Alpha Vantage's API or trust team and want the full evidence set or a re-verification, open an issue — it's free.
| Endpoint | Price/call | Calls 30d | Signature | Evidence (automated signature matches) |
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https://api.questflow.ai/x402/agent/qrn:agent:68c26db13367242ab91229d5
Questflow — 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
pays to 0x5AB2…683e on base · via bazaar
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0 0 payers |
medium · 60/100 not probed |
- references Alpha Vantage (via "alpha vantage" in description) but is hosted on api.questflow.ai, not the brand's domain
- 'powered by' upstream-provider phrasing: "Powered by"
- input schema is a bare passthrough (input) — consistent with forwarding to an upstream API
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https://api-dev.intra-tls2.dctx.link/x402/agent/qrn:agent:68dba0e582f61ca4a1686963
— The official Alpha Vantage API MCP server enables LLMs and agentic workflows to seamlessly interact with real-time and historical stock market data. | Powered by Questflow
pays to 0x407f…25b1 on base-sepolia · via bazaar
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0 0 payers |
medium · 60/100 not probed |
- references Alpha Vantage (via "alpha vantage" in description) but is hosted on api-dev.intra-tls2.dctx.link, not the brand's domain
- 'powered by' upstream-provider phrasing: "Powered by"
- input schema is a bare passthrough (input) — consistent with forwarding to an upstream API
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https://gateway.apiosk.com/alpha-vantage/query
— All Alpha Vantage data via a function param, e.g. GLOBAL_QUOTE, TIME_SERIES_DAILY, CURRENCY_EXCHANGE_RATE, DIGITAL_CURRENCY_DAILY.
pays to 0xA039…3B79 on base · via bazaar
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1 1 payers |
low · 45/100 not probed |
- references Alpha Vantage (via "alpha vantage" in url) but is hosted on gateway.apiosk.com, not the brand's domain
- brand term "alpha vantage" appears in the endpoint URL itself
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Framing note: every row above is a statistical signature match, published so that Alpha Vantage's own team — the only party who can actually verify authorization — can review it. Nothing on this page asserts that any listed operator is acting unlawfully or in breach of any agreement.