# Chalk API

**Canonical:** https://apis.io/apis/chalk/chalk-api/  
**Provider:** Chalk — https://apis.io/providers/chalk/  
**Base URL:** https://api.chalk.ai  
**Documentation:** https://docs.chalk.ai/api-docs

Chalk API is published by [Chalk](https://apis.io/providers/chalk/) on the [APIs.io](https://apis.io/) network. Tagged areas include Machine-Learning, Feature Store, and Real-Time Data. The published artifact set on APIs.io includes authentication docs.

REST + gRPC API for querying features from the Chalk Context Engine — online single-row queries, bulk (feather/Arrow) queries, and asynchronous offline dataset generation — plus deployment of feature and resolver definitions. OAuth 2.0 (client_credentials) Bearer authentication.

## Machine-readable artifacts (4)

- **Authentication** — https://raw.githubusercontent.com/api-evangelist/chalk/refs/heads/main/authentication/chalk-authentication.yml
- **OAuthScopes** — https://raw.githubusercontent.com/api-evangelist/chalk/refs/heads/main/scopes/chalk-scopes.yml
- **Conventions** — https://raw.githubusercontent.com/api-evangelist/chalk/refs/heads/main/conventions/chalk-conventions.yml
- **APIsJSON** — https://raw.githubusercontent.com/api-evangelist/chalk/refs/heads/main/apis.yml

## Tags

Machine-Learning, Feature Store, Real-Time Data

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