openapi: 3.1.0 info: title: CircleCI REST API V2 Context Job API description: The CircleCI REST API v2 provides programmatic access for managing pipelines, projects, workflows, jobs, contexts, and users on the CircleCI continuous integration and delivery platform. version: 2.0.0 contact: name: CircleCI Support url: https://support.circleci.com/ license: name: Proprietary url: https://circleci.com/legal/terms-of-service/ servers: - url: https://circleci.com/api/v2 description: CircleCI API v2 security: - apiTokenAuth: [] - basicAuth: [] tags: - name: Job description: Job inspection and cancellation. paths: /project/{project-slug}/job/{job-number}: get: operationId: getJob summary: Get job by number description: Retrieve job details and metadata. tags: - Job parameters: - name: project-slug in: path required: true schema: type: string - name: job-number in: path required: true schema: type: string responses: '200': description: Job details content: application/json: schema: $ref: '#/components/schemas/GenericResponse' /jobs/{job-id}/cancel: post: operationId: cancelJob summary: Cancel a job description: Cancel a job by its unique ID. tags: - Job parameters: - name: job-id in: path required: true schema: type: string responses: '200': description: Job cancelled content: application/json: schema: $ref: '#/components/schemas/GenericResponse' components: schemas: GenericResponse: type: object additionalProperties: true securitySchemes: apiTokenAuth: type: apiKey in: header name: Circle-Token description: CircleCI personal API token. basicAuth: type: http scheme: basic description: HTTP Basic with API token as username. x-generated-from: https://circleci.com/docs/api/v2/ x-generated-by: claude-crawl-2026-05-08