openapi: 3.1.0 info: title: Business Dynamics Statistics 2010 SIPP API description: 'Time-series API providing annual measures of establishment and firm dynamics for the United States — births, deaths, expansions, contractions, job creation, and job destruction — from 1978 through the latest reference year. Supports breakdowns by firm age, firm size, sector, state, and metro area. Endpoint family: `/data/timeseries/bds`. ' version: '2026-05-25' contact: name: Census Bureau Center for Economic Studies url: https://www.census.gov/programs-surveys/bds.html license: name: Creative Commons Zero 1.0 (Public Domain) url: https://creativecommons.org/publicdomain/zero/1.0/ termsOfService: https://www.census.gov/data/developers/about/terms-of-service.html servers: - url: https://api.census.gov/data description: Census Data API production base security: - ApiKeyQuery: [] tags: - name: SIPP description: Survey of Income and Program Participation panels paths: /{vintage}/sipp/{panel}/wave{wave}: get: summary: Get SIPP Wave Microdata description: Survey of Income and Program Participation panel wave microdata. operationId: getSippWave tags: - SIPP parameters: - $ref: '#/components/parameters/VintagePath' - name: panel in: path required: true description: SIPP panel identifier (for example `2018`, `2021`). schema: type: string - name: wave in: path required: true description: Wave number within the panel. schema: type: integer - $ref: '#/components/parameters/GetParam' - $ref: '#/components/parameters/ForParam' - $ref: '#/components/parameters/KeyParam' responses: '200': description: SIPP wave result set content: application/json: schema: $ref: '#/components/schemas/DataMatrix' components: parameters: ForParam: name: for in: query required: false schema: type: string VintagePath: name: vintage in: path required: true schema: type: string GetParam: name: get in: query required: true description: Comma-separated list of variables to retrieve. schema: type: string KeyParam: name: key in: query required: true schema: type: string schemas: DataMatrix: type: array items: type: array items: type: string securitySchemes: ApiKeyQuery: type: apiKey in: query name: key