> ## 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. # Get the public API specification > Returns the OpenAPI 3.1 document for the public API exactly as this environment serves it, including only the endpoints this environment has enabled. This endpoint is open: it takes no API key, and sending one changes nothing about the response. ## OpenAPI ````yaml /api-reference/openapi.json get /v2/openapi.json 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/openapi.json: get: tags: - openapi summary: Get the public API specification description: >- Returns the OpenAPI 3.1 document for the public API exactly as this environment serves it, including only the endpoints this environment has enabled. This endpoint is open: it takes no API key, and sending one changes nothing about the response. operationId: openApiJson parameters: [] responses: '200': description: Successful response content: application/json: schema: type: object properties: openapi: type: string info: type: object properties: title: type: string description: type: string version: type: string contact: type: object properties: name: type: string url: type: string additionalProperties: {} required: - title - version additionalProperties: {} servers: type: array items: type: object properties: url: type: string description: type: string required: - url additionalProperties: {} tags: type: array items: type: object properties: name: type: string description: type: string required: - name additionalProperties: {} paths: type: object propertyNames: type: string additionalProperties: type: object propertyNames: type: string additionalProperties: type: object properties: operationId: type: string summary: type: string description: type: string tags: type: array items: type: string deprecated: type: boolean security: type: array items: type: object propertyNames: type: string additionalProperties: type: array items: type: string parameters: type: array items: type: object properties: {} additionalProperties: {} requestBody: type: object properties: {} additionalProperties: {} responses: type: object propertyNames: type: string additionalProperties: type: object properties: {} additionalProperties: {} required: - responses additionalProperties: {} components: type: object properties: {} additionalProperties: {} required: - openapi - info - servers - paths additionalProperties: {} title: OpenAPI document description: >- The OpenAPI 3.1 document describing the public API as the environment serving it actually runs. The example is abridged — the real response lists every public operation and the schemas they reference. example: 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. tags: - name: virtual-machine-rentals description: Manage virtual machine rentals x-group: Virtual Machine Rentals paths: /v2/on-demand/virtual-machine-rentals: get: operationId: ondemand-getActiveVirtualMachineRentals summary: Get a list of active virtual machine rentals description: Get a list of active virtual machine rentals tags: - virtual-machine-rentals security: - Authorization: [] parameters: [] responses: '200': description: Successful response content: application/json: schema: type: array items: type: object '401': description: Authorization not provided content: application/json: schema: $ref: '#/components/schemas/error.UNAUTHORIZED' components: securitySchemes: Authorization: type: http scheme: bearer schemas: error.UNAUTHORIZED: type: object properties: message: type: string '400': description: Invalid input data content: application/json: schema: $ref: '#/components/schemas/error.BAD_REQUEST' '404': description: Not found content: application/json: schema: $ref: '#/components/schemas/error.NOT_FOUND' '500': description: Internal server error content: application/json: schema: $ref: '#/components/schemas/error.INTERNAL_SERVER_ERROR' security: [] components: schemas: 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.NOT_FOUND: type: object properties: message: type: string description: The error message example: Not found code: type: string description: The error code example: NOT_FOUND 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: Not found error (404) description: The error information example: code: NOT_FOUND message: Not found 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: [] ```` This documentation is built and hosted on [Mintlify](https://mintlify.com), a developer documentation platform.