openapi: 3.1.0 info: title: Particle Cloud Access Tokens Serial Numbers API description: 'The Particle Cloud API exposes IoT device management, product fleet management, OAuth client and token administration, diagnostics, SIM management and user account endpoints. ' version: 1.0.0 contact: name: Particle url: https://docs.particle.io/reference/cloud-apis/api/ servers: - url: https://api.particle.io description: Particle Cloud production security: - BearerAuth: [] tags: - name: Serial Numbers paths: /v1/serial_numbers/{serialNumber}: get: summary: Look up a device by serial number parameters: - in: path name: serialNumber required: true schema: type: string responses: '200': description: Device lookup result. tags: - Serial Numbers components: securitySchemes: BearerAuth: type: http scheme: bearer bearerFormat: OAuth2 access token description: 'Pass `Authorization: Bearer {access_token}`. Tokens are issued via `POST /oauth/token`. '