# Playground REST API

**Canonical:** https://apis.io/apis/playground/playground-rest-api/  
**Provider:** Playground API — Free Stateful Mock REST & GraphQL Service — https://apis.io/providers/playground/  
**Base URL:** https://playground.nileslabs.com/api/v1  
**Documentation:** https://playground.nileslabs.com/docs

Playground REST API is one of 2 APIs that [Playground API — Free Stateful Mock REST & GraphQL Service](https://apis.io/providers/playground/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. Tagged areas include Developer Tools, Testing, Mock API, api-sandbox, and REST. The published artifact set on APIs.io includes an OpenAPI specification and API documentation.

Free stateful mock REST API with session-scoped mutation overlays, dynamic collections, media generators, chaos simulation, and simulated JWT auth. Canonical HTTPS base is playground.nileslabs.com/api/v1 (OpenAPI/Postman servers value declares a raw Vercel origin).

## Machine-readable artifacts (5)

- **OpenAPI** — https://playground.nileslabs.com/api/v1/downloads/openapi.json
- **PostmanCollection** — https://playground.nileslabs.com/api/v1/downloads/postman.json
- **Documentation** — https://playground.nileslabs.com/docs
- **LLMsTxt** — https://playground.nileslabs.com/llms.txt
- **APIsJSON** — https://raw.githubusercontent.com/api-evangelist/playground/refs/heads/main/apis.yml

## Other Playground API — Free Stateful Mock REST & GraphQL Service APIs (1)

- [Playground GraphQL API](https://apis.io/apis/playground/playground-graphql-api/)

## Tags

Developer Tools, Testing, Mock API, api-sandbox, REST, GraphQL, E2E Testing

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