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APIs
Lexile Text Analyzer API
Analyzes text to produce Lexile text measures on custom content.
API Calls
Analyze English Text

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.
  - About the Lexile Text Analyzer API
    The Lexile Text Analyzer is a utility for calculating the Lexile measure of a piece of professionally authored text. The Lexile Text Analyzer API provides this functionality as a web service that can be accessed via the Internet using a convenient API. No hardware, software, installation or ongoing management is required. This service minimizes intrusive system integration by instead relying on service-oriented architecture.
  - API Calls
  - Service Level Agreement for Lexile Analyzer API
    This Service Level Agreement (this “SLA”) is provided by MetaMetrics, Inc. (“Licensor”) to each customer (“Licensee”) using Licensor’s hosted LEXILE ANALYZER API (the “Hosted Service”) under license from Licensor, and governs Licensor’s obligations regarding Licensee’s use of the Hosted Service.
- 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.
- 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.

Analyze English Text

Overview

This function should be used when:

Your account has an active usage subscription to the service.
The source text is written in English with a minimum length of two sentences.
The source text adheres to our editing guidelines.
The Lexile measure will not be publicly displayed after analysis.

URL

POST /api/analyze

Request

The following parameters are required in the request. An example can be found here.


Parameter	Type	Description
`text`	String	The desired English text for analysis. There is a minimum of two sentences for the text to be measurable.

Response

This returns an object that contains measurement results from the English Lexile Analyzer.


Parameter	Type
`language`	String
`wordCount`	Integer
`version`	Integer
`lexile`	Integer
`lexileDisplay`	String