# Elastic Stack (ELK Stack) Fleet internals API

**Canonical:** https://apis.io/apis/elk-stack/elk-stack-fleet-internals-api/  
**Provider:** Elastic Stack (ELK Stack) — https://apis.io/providers/elk-stack/  
**Base URL:** https://{elasticsearch_endpoint}  
**Documentation:** https://www.elastic.co/docs/api/doc/elasticsearch/

Elastic Stack (ELK Stack) Fleet internals API is one of 132 APIs that [Elastic Stack (ELK Stack)](https://apis.io/providers/elk-stack/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. Tagged areas include Fleet internals. The published artifact set on APIs.io includes an OpenAPI specification, API documentation, and an API reference.

Fleet internals APIs enable you to manage Fleet internal operations, including checking permissions, monitoring Fleet Server health, managing settings, and initiating Fleet setup.

## Operations (7)

| Method | Path | Summary |
|---|---|---|
| GET | `/api/fleet/check-permissions` | Check permissions |
| POST | `/api/fleet/health_check` | Check Fleet Server health |
| GET | `/api/fleet/settings` | Get settings |
| PUT | `/api/fleet/settings` | Update settings |
| POST | `/api/fleet/setup` | Initiate Fleet setup |
| GET | `/api/fleet/space_settings` | Get space settings |
| PUT | `/api/fleet/space_settings` | Create space settings |

## Machine-readable artifacts (8)

- **OpenAPI** — https://raw.githubusercontent.com/api-evangelist/elk-stack/refs/heads/main/openapi/elk-stack-fleet-internals-api-openapi.yml
- **Documentation** — https://www.elastic.co/docs/reference/elasticsearch
- **APIReference** — https://www.elastic.co/docs/api/doc/elasticsearch/
- **SourceCode** — https://github.com/elastic/elasticsearch-specification
- **Documentation** — https://www.elastic.co/docs/reference/kibana
- **APIReference** — https://www.elastic.co/docs/api/doc/kibana/
- **SourceCode** — https://github.com/elastic/kibana
- **ToolCrosswalk** — https://raw.githubusercontent.com/api-evangelist/elk-stack/refs/heads/main/mcp/elk-stack-tool-crosswalk.yml

## Other Elastic Stack (ELK Stack) APIs (12)

- [Elastic Cloud API](https://apis.io/apis/elk-stack/elastic-cloud-api/)
- [Elastic Stack (ELK Stack) Accounts API](https://apis.io/apis/elk-stack/elk-stack-accounts-api/)
- [Elastic Stack (ELK Stack) Actions API](https://apis.io/apis/elk-stack/elk-stack-actions-api/)
- [Elastic Stack (ELK Stack) agent builder API](https://apis.io/apis/elk-stack/elk-stack-agent-builder-api/)
- [Elastic Stack (ELK Stack) Alerting API](https://apis.io/apis/elk-stack/elk-stack-alerting-api/)
- [Elastic Stack (ELK Stack) Alerting V2 API](https://apis.io/apis/elk-stack/elk-stack-alerting-v2-api/)
- [Elastic Stack (ELK Stack) Analytics API](https://apis.io/apis/elk-stack/elk-stack-analytics-api/)
- [Elastic Stack (ELK Stack) APM agent configuration API](https://apis.io/apis/elk-stack/elk-stack-apm-agent-configuration-api/)
- [Elastic Stack (ELK Stack) APM agent keys API](https://apis.io/apis/elk-stack/elk-stack-apm-agent-keys-api/)
- [Elastic Stack (ELK Stack) APM annotations API](https://apis.io/apis/elk-stack/elk-stack-apm-annotations-api/)
- [Elastic Stack (ELK Stack) APM server schema API](https://apis.io/apis/elk-stack/elk-stack-apm-server-schema-api/)
- [Elastic Stack (ELK Stack) APM sourcemaps API](https://apis.io/apis/elk-stack/elk-stack-apm-sourcemaps-api/)

## Tags

Fleet internals

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