# Lexile API

**Canonical:** https://apis.io/apis/renaissance/lexile-api/  
**Provider:** Renaissance — https://apis.io/providers/renaissance/  
**Base URL:** https://api.proxile.renaissance.com  
**Documentation:** https://api.proxile.renaissance.com/swagger

Lexile API is one of 3 APIs that [Renaissance](https://apis.io/providers/renaissance/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. Tagged areas include Education, Reading, and Student Data. The published artifact set on APIs.io includes an OpenAPI specification and an API reference.

Lexile measure lookup by ISBN-13, returning the stored Lexile book record. OpenAPI 3.0.1 published at the API host root; the API gateway validates a JWT issued by Renaissance auth (client credentials) and enforces the ren.lexile.read scope.

## Operations (1)

| Method | Path | Summary |
|---|---|---|
| GET | `/api/lexile/{isbn13}` | Get Lexile data by ISBN-13 |

## Machine-readable artifacts (4)

- **OpenAPI** — https://raw.githubusercontent.com/api-evangelist/renaissance/refs/heads/main/openapi/renaissance-lexile-api-openapi.yml
- **APIReference** — https://api.proxile.renaissance.com/swagger
- **OAuthScopes** — https://raw.githubusercontent.com/api-evangelist/renaissance/refs/heads/main/scopes/renaissance-scopes.yml
- **Overlay** — https://raw.githubusercontent.com/api-evangelist/renaissance/refs/heads/main/overlays/renaissance-lexile-api-overlay.yaml

## Other Renaissance APIs (2)

- [Student Proficiency Service](https://apis.io/apis/renaissance/student-proficiency-service/)
- [Student Pathway Event Proxy](https://apis.io/apis/renaissance/student-pathway-event-proxy/)

## Tags

Education, Reading, Student Data

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