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Growth Planner API
Plot a student's projected growth using Lexile or Quantile measures.
API Calls
Growth Planner Chart API Overview
An API to generate Lexile and Quantile Growth Charts.

APIs
- Scoring Service API
  Assigns an ability estimate to an assessment-taker in the form of a Lexile Reading, El Sistema Reading, or Quantile measure.
- Lexile Text Analyzer API
  Analyzes text to produce Lexile text measures on custom content.
- Titles API
  Access more than 470,000 hardcover, e-books, paperback, trade and other titles.
- Forecasting API
  Forecast an individual student or group performance on an upcoming assessment.
- Growth Planner API
  Plot a student's projected growth using Lexile or Quantile measures.
  - About Growth Planner API
    The Growth Planner provides authorized partners with secure, real-time access to key student predictive growth data. It is designed to automate data exchange, streamline integration workflows, and support timely insights within your own platform or tools.
  - API Calls
    - Getting Started with API Access
      To access the API, partners must authenticate using the OAuth 2.0 Client Credentials flow. This ensures secure, token-based access for approved applications.
    - Authentication – Retrieve an Access Token
      POST/authToken: Retrieve an Auth Token for use with protected endpoints.
    - Growth Planner Chart API Overview
      An API to generate Lexile and Quantile Growth Charts.
    - Chart Generation - Summative Data
    - Chart Generation - Interim Data
    - API Schema Reference
  - Growth Planner FAQ
  - Support and Feedback
    If you need help with setup, troubleshooting, or have a technical question about our product, our support team is here to help.
- Oral Reading API
  Measures a student's oral reading ability and the oral readability of text on the same scale.
- PowerV API
  Create and access vocabulary lists for over thousands of titles with the Titles Database.
- Career Database APIs
  Identify a career’s reading and math demands in Lexile and Quantile metrics for goal setting and career preparedness.

Growth Planner Chart API Overview

An API to generate Lexile and Quantile Growth Charts.

This API will take in student measurement information and generate a graph of their projected growth. No PII is required and no data is saved.

Before using this API, you must obtain an Authentication Token from the authToken endpoint. Use that endpoint to pass your client credentials and receive an accessToken. Then hit the Authorize button and paste the token into that field. This will allow you to make requests to the protected endpoints.