{"x402Version":1,"name":"x402 Data API","description":"Real-world data endpoints for agents, billed per request via the x402 protocol.","resources":[{"path":"\/api\/v1\/demographics","method":"GET","price":"$0.01","description":"Population and median household income within a radius of an address or lat\/lon","params":{"address":{"type":"string","description":"Full street address including street number, name, city, and state (e.g. \"1600 Pennsylvania Ave NW, Washington, DC 20500\"). Alternative to lat\/lon."},"lat":{"type":"numeric","description":"Latitude (alternative to address)"},"lon":{"type":"numeric","description":"Longitude (alternative to address)"},"radius_miles":{"type":"numeric","description":"Search radius in miles (default: 3, max: 31)"},"radius_meters":{"type":"numeric","description":"Search radius in meters (max: 50000, cannot use with radius_miles)"},"vintage":{"type":"integer","description":"ACS vintage year (default: most recent, available: 2022, 2023, 2024)"}}},{"path":"\/api\/v1\/enhanced-demographics","method":"GET","price":"$0.05","description":"Comprehensive demographic, housing, education, and employment data within a radius of an address or lat\/lon","params":{"address":{"type":"string","description":"Full street address including street number, name, city, and state (e.g. \"1600 Pennsylvania Ave NW, Washington, DC 20500\"). Alternative to lat\/lon."},"lat":{"type":"numeric","description":"Latitude (alternative to address)"},"lon":{"type":"numeric","description":"Longitude (alternative to address)"},"radius_miles":{"type":"numeric","description":"Search radius in miles (default: 3, max: 31)"},"radius_meters":{"type":"numeric","description":"Search radius in meters (max: 50000, cannot use with radius_miles)"},"vintage":{"type":"integer","description":"ACS vintage year (default: most recent, available: 2022, 2023, 2024)"}}},{"path":"\/api\/v1\/property\/tx\/travis\/lookup","method":"GET","price":"$0.05","description":"Search Travis County Texas (TCAD) property appraisal records by address","params":{"address":{"type":"string","required":true,"description":"Address to search for (e.g. \"2433 RIDGEPOINT DR AUSTIN\")"}},"example_response":{"results":[{"geo_id":"0143210001","address":{"street":"2433 RIDGEPOINT DR","city":"AUSTIN","zip":"78754","full":"2433 RIDGEPOINT DR"},"owner":"SMITH JOHN & JANE","legal_description":"LOT 12 BLK A RIDGEPOINT SEC 2","values":{"market":485000,"appraised":485000,"assessed":432000,"land":195000,"improvement":290000,"homestead_cap_savings":53000},"property":{"year_built":1998,"improvement_sqft":2100,"land_sqft":7500,"land_acres":0.1722,"price_per_sqft":231},"exemptions":{"homestead":true,"over_65":false,"disabled_person":false,"disabled_veteran":false},"data_year":2025}],"count":1,"query":"2433 RIDGEPOINT DR AUSTIN","resolved_address":"2433 Ridgepoint Dr, Austin, TX 78754"}},{"path":"\/api\/v1\/property\/tx\/travis\/{propertyId}","method":"GET","price":"$0.05","description":"Look up a Travis County Texas property by its county-specific identifier (TCAD account number)","params":{"propertyId":{"type":"string","required":true,"description":"County-specific property identifier \u2014 TCAD account number for Travis County (e.g. \"0100030203\")"}},"example_response":{"geo_id":"0100030203","address":{"street":"1105 S LAMAR BLVD","city":"AUSTIN","zip":"78704","full":"1105 S LAMAR BLVD"},"owner":"DJB INVESTMENT PROPERTY LLC","legal_description":"LOT 1-4 TEMPLER LOTS","values":{"market":4332066,"appraised":4332066,"assessed":4332066,"land":4232160,"improvement":99906,"homestead_cap_savings":0},"property":{"year_built":1984,"improvement_sqft":17100,"land_sqft":23512,"land_acres":0.5399,"price_per_sqft":253},"exemptions":{"homestead":false,"over_65":false,"disabled_person":false,"disabled_veteran":false},"data_year":2025}},{"path":"\/api\/v1\/property\/tx\/travis\/nearby","method":"GET","price":"$0.05","description":"Find nearby Travis County Texas (TCAD) properties within a radius of a lat\/lng point","params":{"lat":{"type":"numeric","required":true,"description":"Latitude"},"lng":{"type":"numeric","required":true,"description":"Longitude"},"radius":{"type":"integer","description":"Search radius in meters (default: 300, max: 1000)"}},"example_response":{"results":[{"geo_id":"0143210001","address":{"street":"2433 RIDGEPOINT DR","city":"AUSTIN","zip":"78754","full":"2433 RIDGEPOINT DR"},"owner":"SMITH JOHN & JANE","values":{"market":485000,"appraised":485000,"assessed":432000,"land":195000,"improvement":290000,"homestead_cap_savings":53000},"property":{"year_built":1998,"improvement_sqft":2100,"land_sqft":7500,"land_acres":0.1722,"price_per_sqft":231},"exemptions":{"homestead":true,"over_65":false,"disabled_person":false,"disabled_veteran":false},"data_year":2025,"distance_meters":42.3}],"count":1,"center":{"lat":30.2672,"lng":-97.7431},"radius_meters":300}}],"network":"eip155:8453","payTo":"0x3B9Ce6236F3973aE3f5BE1b630c76E5eA1153aE9","asset":"USDC","scheme":"exact"}