Public APIs
Explore top Dictionaries API alternatives to OwlBot. Compare docs, features, and pricing.
Lingua Robot
Word definitions, pronunciations, synonyms, antonyms and others
WordsAPI
Find definitions, related words, and more, with a simple to use RESTful API.
Merriam-Webster
The Merriam-Webster Dictionary API gives developers access to a comprehensive resource of dictionary and thesaurus content as well as specialized medical, Spanish, ESL, and student-friendly vocabulary.
Collins
Bilingual Dictionary and Thesaurus Data
Chinese Text Project
Online open-access digital library for pre-modern Chinese texts
Indonesia Dictionary
Indonesia dictionary many words
Wiktionary
Collaborative dictionary data
Synonyms
Synonyms, thesaurus and antonyms information for any given word
Perfect Tense
The Perfect Tense API is an artificial intelligence powered spelling and grammar API. All you have to do is provide a piece of text and the Perfect Tense API will automatically return a proofread version of the text, along with all spelling and grammar mistakes.
Oxford
Enhance your app with world-renowned dictionary data.
reSmush
Photo optimization free API
CheetahO
Photo optimization and resize