API League

API League Text API

The Text API from API League — 13 operation(s) for text.

GitHub OpenAPI

Operations 13

GET /correct-spelling Correct Spelling API #
GET /detect-language Detect Language API #
GET /detect-sentiment Detect Sentiment API #
GET /score-text Score Text API #
GET /score-readability Score Readability API #
GET /extract-dates Extract Dates API #
GET /detect-gender Detect Gender by Name API #
GET /list-synonyms List Word Synonyms API #
GET /tag-pos Tag Part of Speech API #
GET /stem-text Stem Text API #
GET /singularize-word Singularize Word API #
GET /pluralize-word Pluralize Word API #
GET /extract-entities Extract Entities API #

Documentation

📖
Documentation
https://apileague.com/apis/
📖
APIReference
https://apileague.com/apis/
📖
GettingStarted
https://apileague.com/docs/quick-start/
📖
Authentication
https://raw.githubusercontent.com/api-evangelist/api-league/refs/heads/main/authentication/api-league-authentication.yml
📖
RateLimits
https://raw.githubusercontent.com/api-evangelist/api-league/refs/heads/main/rate-limits/api-league-rate-limits.yml

Specifications

⚙
OpenAPI
https://raw.githubusercontent.com/api-evangelist/api-league/refs/heads/main/openapi/api-league-text-api-openapi.yml

Other Resources

🔗
SignUp
https://apileague.com/console/
🔗
Conventions
https://raw.githubusercontent.com/api-evangelist/api-league/refs/heads/main/conventions/api-league-conventions.yml
🔗
ErrorCatalog
https://raw.githubusercontent.com/api-evangelist/api-league/refs/heads/main/errors/api-league-problem-types.yml
🔗
DataModel
https://raw.githubusercontent.com/api-evangelist/api-league/refs/heads/main/data-model/api-league-data-model.yml
🔗
Postman
https://www.postman.com/spoonacular-api/workspace/api-league/collection/7431899-68556c9b-453c-4759-bd5e-4f783b0117e8

Work with this as data

Every API here is available over the APIs.io API and to AI agents over MCP.

MCP server

One button, every client — Claude, Cursor, VS Code and the rest.

https://apis.io/mcp

Tools for apis

7 MCP tools reach this
  • find_apisBrowse and filter every API in the catalog.
  • get_api_artifactsOne API's artifacts, grouped by type.
  • get_openapiThe primary OpenAPI for this API.
  • find_similar_apisAPIs that look like this one.
  • apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
  • resolveTurn a domain, URL or GitHub org into the provider it belongs to.
  • find_cohortsEvery scored population of providers in the catalog.
All 92 tools →

Call it yourself

curl for this page
This API 
curl "https://apis.io/api/v1/apis/api-league-text-api"
All apis 
curl "https://apis.io/api/v1/apis?limit=25"

Discovery needs no key. Ratings and market analysis are Pro.

Get an API key

Free tier, no form to fill in. Signing in shares your email address with us — we store it to create your key and to recognise you if you sign in with another provider. See our Privacy Policy and Terms.

GitHub Google LinkedIn

A second provider on the same verified email joins the account you already have.

OpenAPI Specification

api-league-text-api-openapi.yml Raw ↑ 
openapi: 3.2.0
info:
  title: League Text API
  description: API League is a Hub for World Class APIs.
  termsOfService: https://apileague.com/terms
  version: 1.9.0
  contact:
    name: David Urbansky
    email: mail@apileague.com
servers:
- url: https://api.apileague.com
security:
- apiKey: []
- headerApiKey: []
tags:


# --- truncated at 32 KB (34 KB total) ---
# Full source: https://raw.githubusercontent.com/api-evangelist/api-league/refs/heads/main/openapi/api-league-text-api-openapi.yml