# Cognite Relationships API

**Canonical:** https://apis.io/apis/cognite/cognite-relationships-api/  
**Provider:** Cognite — https://apis.io/providers/cognite/  
**Base URL:** https://api.cognitedata.com  
**Documentation:** https://api-docs.cognite.com/

Cognite Relationships API is one of 90 APIs that [Cognite](https://apis.io/providers/cognite/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. Tagged areas include Relationships. The published artifact set on APIs.io includes an OpenAPI specification.

The relationships resource type represents connections between resource objects in CDF. Relationships allow you to organize assets in other structures in addition to the standard hierarchical asset structure. Each relationship is between a source and a target object and is defined by a relationship type and the external IDs and resource types of the source and target objects. Optionally, a relationship can be time-constrained with a start and end time. To define and manage the available relationship types, use the labels resource type. The externalId field uniquely identifies each relationship.

## Machine-readable artifacts (1)

- **OpenAPI** — https://raw.githubusercontent.com/api-evangelist/cognite/refs/heads/main/openapi/cognite-relationships-api-openapi.yml

## Other Cognite APIs (12)

- [Cognite Data Fusion API](https://apis.io/apis/cognite/cognite-data-fusion-api/)
- [Cognite 3D Asset Mapping API](https://apis.io/apis/cognite/cognite-3d-asset-mapping-api/)
- [Cognite 3D Files API](https://apis.io/apis/cognite/cognite-3d-files-api/)
- [Cognite 3D Jobs API](https://apis.io/apis/cognite/cognite-3d-jobs-api/)
- [Cognite 3D Model Revisions API](https://apis.io/apis/cognite/cognite-3d-model-revisions-api/)
- [Cognite 3D Models API](https://apis.io/apis/cognite/cognite-3d-models-api/)
- [Cognite Annotations API](https://apis.io/apis/cognite/cognite-annotations-api/)
- [Cognite Assets API](https://apis.io/apis/cognite/cognite-assets-api/)
- [Cognite Connections API](https://apis.io/apis/cognite/cognite-connections-api/)
- [Cognite Containers API](https://apis.io/apis/cognite/cognite-containers-api/)
- [Cognite Data models API](https://apis.io/apis/cognite/cognite-data-models-api/)
- [Cognite Data point subscriptions API](https://apis.io/apis/cognite/cognite-data-point-subscriptions-api/)

## Tags

Relationships

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