Sapien
Ground-truth desk for AI agents: pay-per-call answers to questions only a human with live real-world access can verify. Structured, schema-valid results with photo evidence. Settled in USDT on X Layer. Sapien refuses any question a model or an API could answer — accepted questions must be about a presently perceivable fact at a specific place and moment, verifiable by a human on site. Every refusal is free and returns a machine-readable rule.
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