# Motionworks AI > Independent, infrastructure-grade measurement company for U.S. Out-of-Home (OOH) advertising. Motionworks AI provides the measurement layer for the $9B+ U.S. OOH advertising market. Our API delivers face-level and spot-level audience measurement data (circulation, opportunity-to-see, likelihood-to-see) for every measured OOH unit in the United States. ## API Access Base URL: https://api2.mworks.com/v2 Auth: API key via `X-API-Key` header Self-service signup: POST https://api2.mworks.com/v2/signup (no auth required, returns sandbox key) ## Pricing Tiers | Tier | Annual Cost | Credits/Month | Notes | |--------------|-------------|---------------|-------| | Sandbox | Free | 1,000 | Trial access | | Professional | $12,000/yr | 50,000 | Self-serve | | Enterprise | $72,000/yr | 200,000 | Includes bulk export | | Strategic | Custom | Unlimited | Full archive + white-label | ## Credit Costs by Endpoint - GET /profiles/{id} - 1 credit (single profile) - GET /profiles - 5 credits (list/search) - GET /profiles/{id}/history - 10 credits (historical data) - GET /profiles/{id}/viewshed - 15 credits (visibility analysis) - GET /profiles/{id}/audience - 20 credits (demographics) - GET /markets - 1 credit (list DMAs) - GET /markets/{id} - 1 credit (market detail) - GET /segments - 1 credit (list segments) - GET /segments/{id} - 1 credit (segment detail) - POST /profiles/bulk - 50 credits (batch retrieval) ## Key Data Viewcast Profiles: OOH face-level and spot-level measurement data - Coverage: United States (all measured markets) - Refresh: Monthly - Historical: Available back to 2019 - Measurement framework: Circulation > Opportunity-to-See (OTS) > Likelihood-to-See (LTS) ## Further Reading - Extended API reference: https://mworks.com/llms-full.txt - MCP server: https://api2.mworks.com/.well-known/mcp.json - OpenAPI spec: https://api2.mworks.com/openapi.json - Pricing calculator: https://mworks.com/cx/pricing/calculator/