{"series":"prices","title":"Median price per category","cadence":"weekly","version":1,"description":"From each published weekly report: the 8 categories with the most paid APIs (ties go to the category id that sorts first; the \"other\" category is never ranked), with the median price of the cheapest payment option of the paid APIs in each that have a price above zero.","license":"https://creativecommons.org/licenses/by/4.0/","citation":"ToolVet (2026). x402 and MCP directory history [Data set]. https://toolvet.app/data. Licensed under CC BY 4.0.","source":"https://toolvet.app/data","columns":[{"name":"week","type":"string","description":"ISO week of the published weekly report, in the site's lowercase form, e.g. 2026-w42."},{"name":"week_start","type":"date","description":"First day of the week (Monday, UTC)."},{"name":"last_day","type":"date","description":"Last day of the week (Sunday, UTC)."},{"name":"category","type":"string","description":"Category id, as in /c/<category>."},{"name":"category_name","type":"string","description":"Category name."},{"name":"paid_apis","type":"integer","description":"Public paid x402 APIs in the category."},{"name":"median_price_usd","type":"number","description":"Median price per call in USD of each API's cheapest payment option, over those priced above zero; empty when none is."}],"rows":[]}