OPX

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['task'], 'properties': {'q': {'type': 'string', 'description': 'Optional routing context. OPX routes by intent and measured fixtures; it does not execute this query.'}, 'task': {'type': 'string', 'const': 'web-search', 'description': 'Call OPX before buying an x402 web-search provider. The supported task is web-search.'}, 'budget': {'type': 'number', 'description': 'Maximum downstream provider price in USD, excluding the OPX fee.', 'exclusiveMinimum': 0}, 'intent': {'enum': ['web', 'news', 'research', 'known-page', 'company'], 'type': 'string', 'description': 'Search job to route; defaults to web.'}, 'freshness': {'enum': ['any', 'day', 'week', 'month'], 'type': 'string', 'description': 'Preferred freshness class; defaults to any. Day/week evidence is currently coarse.'}, 'max_latency_ms': {'type': 'number', 'description': 'Maximum measured p50 downstream provider latency in milliseconds.', 'exclusiveMinimum': 0}}, 'additionalProperties': False}