# SatsSignal Demand Radar SatsSignal sells source-backed, machine-readable x402 demand intelligence to AI agents and builders. Base URL: https://srv1334799.hstgr.cloud Free endpoints: - GET /health - GET /ready - GET /v1/pricing - GET /v1/market/sample - GET /v1/market/categories - GET /v1/market/schema - GET /v1/x402/demand/status?since=ISO: poll a persisted cursor for free; pay for changes only when changeAssessment.likelyMaterial=true. Paid x402 endpoints: - GET /v1/x402/demand/snapshot price $0.01: cheapest read; top three demand movers plus one underserved opportunity. - GET /v1/x402/demand/changes?since=ISO price $0.03: call after status reports material change; returns rolling-counter velocity, payer-event shifts, listing lifecycle, price changes, concentration changes, evidence, and explicit unknowns. - GET /v1/x402/demand/builder-brief price $0.10: call before a concrete build, pricing, positioning, or dependency decision; uses an approximately 24-hour temporal comparison when history permits. - GET /v1/market/map price $0.05: category demand, top resources, top hosts. - GET /v1/market/competitors?query=search price $0.03: comparable paid x402 endpoints. - GET /v1/market/opportunities price $0.15: deterministic category opportunity scoring. - POST /v1/market/validate price $0.25: validate a product thesis against public x402 demand signals. - GET /v1/market/top-buyers price $0.10: repeat buyer wallets and category overlap from public x402scan aggregates. Remote MCP (Streamable HTTP): POST https://srv1334799.hstgr.cloud/mcp - Free tools: catalog, market_sample, market_categories, pricing, demand_status. - Paid tools (x402 in-protocol payment): demand_snapshot, demand_changes, builder_brief, market_map, market_competitors, market_opportunities, validate_x402_product, market_top_buyers, get_service, list_changes, compare_services, research_services. Limitations: - Counts come from public Bazaar discovery metadata and do not prove unique companies or durable revenue. - The service does not provide investment, legal, tax, or individualized financial advice.