# Dome9 Cloud Instance API

**Canonical:** https://apis.io/apis/dome9/dome9-cloud-instance-api/  
**Provider:** Dome9 — https://apis.io/providers/dome9/  
**Base URL:** https://api.dome9.com/v2  
**Documentation:** https://docs.cgn.portal.checkpoint.com/

Dome9 Cloud Instance API is one of 197 APIs that [Dome9](https://apis.io/providers/dome9/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. Tagged areas include Cloud Instance. The published artifact set on APIs.io includes an OpenAPI specification, API documentation, an API reference, a getting-started guide, and authentication docs.

Cloud Instances

## Operations (6)

| Method | Path | Summary |
|---|---|---|
| GET | `/v2/cloudinstance/by-external-id-and-cloud-account` | Cloud instance get by id and cloud account async |
| GET | `/v2/cloudinstance/guard-duty-findings` | Fetch AWS GuardDuty findings for a specific AWS instance |
| POST | `/v2/cloudinstance/{externalid}/sec-groups` | Attach security Group to an AWS EC2 Instance |
| DELETE | `/v2/cloudinstance/{externalid}/sec-groups` | Detach security Group from an AWS EC2 Instance |
| GET | `/v2/CloudInstance` | Fetch all AWS EC2 instances for the user from all cloud accounts |
| GET | `/v2/CloudInstance/{id}` | Fetch a specific AWS EC2 instance |

## Machine-readable artifacts (6)

- **OpenAPI** — https://raw.githubusercontent.com/api-evangelist/dome9/refs/heads/main/openapi/dome9-cloud-instance-api-openapi.yml
- **Documentation** — https://docs.cgn.portal.checkpoint.com/
- **APIReference** — https://docs.cgn.portal.checkpoint.com/reference/introduction
- **GettingStarted** — https://docs.cgn.portal.checkpoint.com/docs
- **Authentication** — https://docs.cgn.portal.checkpoint.com/reference/authentication
- **PostmanCollection** — https://www.postman.com/dome9-security/workspace/dome9-api

## Other Dome9 APIs (12)

- [Dome9 Account API](https://apis.io/apis/dome9/dome9-account-api/)
- [Dome9 Account Limitation API](https://apis.io/apis/dome9/dome9-accountlimitation-api/)
- [Dome9 Account Polling Interval API](https://apis.io/apis/dome9/dome9-accountpollinginterval-api/)
- [Dome9 Account Registration API](https://apis.io/apis/dome9/dome9-accountregistration-api/)
- [Dome9 Agent API](https://apis.io/apis/dome9/dome9-agent-api/)
- [Dome9 Agentless API](https://apis.io/apis/dome9/dome9-agentless-api/)
- [Dome9 Alert API](https://apis.io/apis/dome9/dome9-alert-api/)
- [Dome9 Application API](https://apis.io/apis/dome9/dome9-application-api/)
- [Dome9 Assessment API](https://apis.io/apis/dome9/dome9-assessment-api/)
- [Dome9 Assessment History API](https://apis.io/apis/dome9/dome9-assessmenthistory-api/)
- [Dome9 Audit API](https://apis.io/apis/dome9/dome9-audit-api/)
- [Dome9 Auth API](https://apis.io/apis/dome9/dome9-auth-api/)

## Tags

Cloud Instance

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/dome9/dome9-cloud-instance-api/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/dome9/.