openapi: 3.1.0 info: title: Mixpanel Annotations Cohorts API description: API for creating, retrieving, updating, and deleting annotations that label specific points in time on Mixpanel charts with descriptions, useful for marking product launches, campaigns, or data anomalies. version: '1.0' contact: name: Mixpanel Support email: support@mixpanel.com url: https://mixpanel.com/get-support termsOfService: https://mixpanel.com/legal/terms-of-use servers: - url: https://mixpanel.com/api/app description: Mixpanel US Data Residency - url: https://eu.mixpanel.com/api/app description: Mixpanel EU Data Residency security: - basicAuth: [] tags: - name: Cohorts description: Manage and query user cohorts paths: /cohorts/list: get: operationId: listCohorts summary: Mixpanel List cohorts description: Retrieve a list of all cohorts defined in the project. tags: - Cohorts parameters: - name: project_id in: query required: true schema: type: integer description: The Mixpanel project ID responses: '200': description: List of cohorts content: application/json: schema: type: array items: $ref: '#/components/schemas/Cohort' '401': description: Unauthorized components: schemas: Cohort: type: object properties: id: type: integer description: Unique cohort identifier name: type: string description: Cohort name description: type: string description: Cohort description count: type: integer description: Number of users in the cohort created: type: string format: date-time description: When the cohort was created securitySchemes: basicAuth: type: http scheme: basic description: Service account credentials for API authentication. externalDocs: description: Mixpanel Annotations API Documentation url: https://developer.mixpanel.com/reference/create-annotation