# GrowthBook namespaces API

**Canonical:** https://apis.io/apis/growthbook/growthbook-namespaces-api/  
**Provider:** GrowthBook — https://apis.io/providers/growthbook/  
**Base URL:** https://api.growthbook.io/api  
**Documentation:** https://docs.growthbook.io/api

GrowthBook namespaces API is one of 36 APIs that [GrowthBook](https://apis.io/providers/growthbook/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. Tagged areas include Namespaces. The published artifact set on APIs.io includes an OpenAPI specification and API documentation.

Namespaces partition your user population into buckets so that experiments using the same hash attribute do not overlap unintentionally. Each namespace defines a 0–1 range and individual experiments claim sub-ranges within it.

## Machine-readable artifacts (2)

- **OpenAPI** — https://raw.githubusercontent.com/api-evangelist/growthbook/refs/heads/main/openapi/growthbook-namespaces-api-openapi.yml
- **Documentation** — https://docs.growthbook.io/api

## Other GrowthBook APIs (12)

- [GrowthBook AnalyticsExplorations API](https://apis.io/apis/growthbook/growthbook-analyticsexplorations-api/)
- [GrowthBook archetypes API](https://apis.io/apis/growthbook/growthbook-archetypes-api/)
- [GrowthBook attributes API](https://apis.io/apis/growthbook/growthbook-attributes-api/)
- [GrowthBook code-references API](https://apis.io/apis/growthbook/growthbook-code-references-api/)
- [GrowthBook CustomFields API](https://apis.io/apis/growthbook/growthbook-customfields-api/)
- [GrowthBook Dashboards API](https://apis.io/apis/growthbook/growthbook-dashboards-api/)
- [GrowthBook data-sources API](https://apis.io/apis/growthbook/growthbook-data-sources-api/)
- [GrowthBook dimensions API](https://apis.io/apis/growthbook/growthbook-dimensions-api/)
- [GrowthBook environments API](https://apis.io/apis/growthbook/growthbook-environments-api/)
- [GrowthBook experiments API](https://apis.io/apis/growthbook/growthbook-experiments-api/)
- [GrowthBook ExperimentTemplates API](https://apis.io/apis/growthbook/growthbook-experimenttemplates-api/)
- [GrowthBook fact-metrics API](https://apis.io/apis/growthbook/growthbook-fact-metrics-api/)

## Tags

Namespaces

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