> ## Documentation Index > Fetch the complete documentation index at: https://docs.hyperbolic.ai/docs/llms.txt > Use this file to discover all available pages before exploring further. # Reboot a single instance within a virtual machine rental > Reboots one instance in place; tenant data is preserved. Call it only for an instance whose `instances[].supportedFeatures` includes `guest-reboot`. Reports INVALID_INSTANCE_REF for an `instanceRef` outside this rental, REBOOT_NOT_SUPPORTED for a rental whose provider cannot reboot, and REBOOT_ALREADY_IN_PROGRESS while one is in flight. ## OpenAPI ````yaml /api-reference/openapi.json post /v2/on-demand/virtual-machine-rentals/reboot-instance openapi: 3.1.0 info: title: Hyperbolic API description: >- HTTP API for Hyperbolic's on-demand GPU compute: rent virtual machines and bare-metal instances, manage storage volumes, and track usage and billing. Authenticate with a Bearer API key (`Authorization: Bearer `). version: 2.0.0 contact: name: Hyperbolic url: https://hyperbolic.ai email: support@hyperbolic.ai servers: - url: https://api.hyperbolic.ai description: Production - url: https://api.hyperbolic.xyz description: >- Legacy host — the same API on Hyperbolic's original domain, kept for existing integrations. security: [] tags: - name: openapi description: OpenAPI specification x-group: OpenAPI - name: rentals description: Manage rentals x-group: Rentals - name: bare-metal-rentals description: Manage bare metal rentals x-group: Bare Metal Rentals - name: virtual-machine-rentals description: Manage virtual machine rentals x-group: Virtual Machine Rentals - name: storage-volumes description: Manage storage volumes x-group: Storage Volumes - name: billing description: Manage billing x-group: Billing - name: users description: Manage users x-group: Users - name: balances description: Manage balances x-group: Balances - name: api-keys description: Manage API keys x-group: API Keys - name: ssh-keys description: Manage SSH public keys x-group: SSH Keys paths: /v2/on-demand/virtual-machine-rentals/reboot-instance: post: tags: - virtual-machine-rentals summary: Reboot a single instance within a virtual machine rental description: >- Reboots one instance in place; tenant data is preserved. Call it only for an instance whose `instances[].supportedFeatures` includes `guest-reboot`. Reports INVALID_INSTANCE_REF for an `instanceRef` outside this rental, REBOOT_NOT_SUPPORTED for a rental whose provider cannot reboot, and REBOOT_ALREADY_IN_PROGRESS while one is in flight. operationId: ondemand-rebootVirtualMachineInstance parameters: [] requestBody: required: true content: application/json: schema: type: object properties: rentalId: anyOf: - type: integer exclusiveMinimum: 0 maximum: 9007199254740991 - type: string minLength: 1 instanceRef: type: string required: - rentalId - instanceRef responses: '200': description: Successful response content: application/json: schema: $ref: '#/components/schemas/RebootVirtualMachineInstanceResponse' '400': description: Invalid input data content: application/json: schema: $ref: '#/components/schemas/error.BAD_REQUEST' '401': description: Authorization not provided content: application/json: schema: $ref: '#/components/schemas/error.UNAUTHORIZED' '403': description: Insufficient access content: application/json: schema: $ref: '#/components/schemas/error.FORBIDDEN' '500': description: Internal server error content: application/json: schema: $ref: '#/components/schemas/error.INTERNAL_SERVER_ERROR' security: - Authorization: [] components: schemas: RebootVirtualMachineInstanceResponse: type: object properties: message: type: string rentalId: type: string instanceRef: type: string required: - message - rentalId - instanceRef additionalProperties: false description: Confirmation that a node of a rental is rebooting. error.BAD_REQUEST: type: object properties: message: type: string description: The error message example: Invalid input data code: type: string description: The error code example: BAD_REQUEST issues: description: An array of issues that were responsible for the error example: [] type: array items: type: object properties: message: type: string required: - message additionalProperties: false required: - message - code additionalProperties: false title: Invalid input data error (400) description: The error information example: code: BAD_REQUEST message: Invalid input data issues: [] error.UNAUTHORIZED: type: object properties: message: type: string description: The error message example: Authorization not provided code: type: string description: The error code example: UNAUTHORIZED issues: description: An array of issues that were responsible for the error example: [] type: array items: type: object properties: message: type: string required: - message additionalProperties: false required: - message - code additionalProperties: false title: Authorization not provided error (401) description: The error information example: code: UNAUTHORIZED message: Authorization not provided issues: [] error.FORBIDDEN: type: object properties: message: type: string description: The error message example: Insufficient access code: type: string description: The error code example: FORBIDDEN issues: description: An array of issues that were responsible for the error example: [] type: array items: type: object properties: message: type: string required: - message additionalProperties: false required: - message - code additionalProperties: false title: Insufficient access error (403) description: The error information example: code: FORBIDDEN message: Insufficient access issues: [] error.INTERNAL_SERVER_ERROR: type: object properties: message: type: string description: The error message example: Internal server error code: type: string description: The error code example: INTERNAL_SERVER_ERROR issues: description: An array of issues that were responsible for the error example: [] type: array items: type: object properties: message: type: string required: - message additionalProperties: false required: - message - code additionalProperties: false title: Internal server error error (500) description: The error information example: code: INTERNAL_SERVER_ERROR message: Internal server error issues: [] securitySchemes: Authorization: type: http scheme: bearer ```` This documentation is built and hosted on [Mintlify](https://mintlify.com), a developer documentation platform.