Mango Labs

Dictionaries APIs

Public API idea board. Dictionaries is one of 51 categories in the public-apis GitHub list. This page lists all 16 APIs filed under Dictionaries in the fetch on 2026-09-30 (README commit 8939d46). Descriptions are that list’s own lines, not rewrites. A pricing label is shown only when those lines state a price; otherwise it says pricing not listed.

You could build…

Notes already stored with this category in the catalog.

  1. Tap-to-define inside a reading app, with pronunciation when the API includes it.
  2. A word game that checks a play against a dictionary and a tile score.
DictionariesPricing not listed

Chinese Character Web

Chinese character definitions and pronunciations

You could build… Tap-to-define inside a reading app, with pronunciation when the API includes it.

No authHTTPS NoAPI link
DictionariesPricing not listed

Chinese Text Project

Online open-access digital library for pre-modern Chinese texts

You could build… Tap-to-define inside a reading app, with pronunciation when the API includes it.

No authHTTPS YesAPI link
DictionariesPricing not listed

Collins

Bilingual Dictionary and Thesaurus Data

You could build… Tap-to-define inside a reading app, with pronunciation when the API includes it.

API keyHTTPS YesAPI link
DictionariesPricing not listed

Free Dictionary

Definitions, phonetics, pronunciations, parts of speech, examples, synonyms

You could build… Tap-to-define inside a reading app, with pronunciation when the API includes it.

No authHTTPS YesAPI link
DictionariesPricing not listed

Indonesia Dictionary

Indonesia dictionary many words

You could build… Tap-to-define inside a reading app, with pronunciation when the API includes it.

No authHTTPS YesAPI link
DictionariesPricing not listed

Lingua Robot

Word definitions, pronunciations, synonyms, antonyms and others

You could build… Tap-to-define inside a reading app, with pronunciation when the API includes it.

API keyHTTPS YesAPI link
DictionariesPricing not listed

Merriam-Webster

Dictionary and Thesaurus Data

You could build… Tap-to-define inside a reading app, with pronunciation when the API includes it.

API keyHTTPS YesAPI link
DictionariesPricing not listed

OwlBot

Definitions with example sentence and photo if available

You could build… Tap-to-define inside a reading app, with pronunciation when the API includes it.

API keyHTTPS YesAPI link
DictionariesPricing not listed

Oxford

Dictionary Data

You could build… Tap-to-define inside a reading app, with pronunciation when the API includes it.

API keyHTTPS YesAPI link
DictionariesPricing not listed

Random Lexicon

Random words and definitions using optional filters

You could build… Tap-to-define inside a reading app, with pronunciation when the API includes it.

No authHTTPS YesAPI link
DictionariesPricing not listed

SayItVid

English video pronunciation search with timestamps, IPA phonetics and subtitle context

You could build… Tap-to-define inside a reading app, with pronunciation when the API includes it.

API keyHTTPS YesAPI link
DictionariesPricing not listed

Synonyms

Synonyms, thesaurus and antonyms information for any given word

You could build… Tap-to-define inside a reading app, with pronunciation when the API includes it.

API keyHTTPS YesAPI link
DictionariesPricing not listed

Wiktionary

Collaborative dictionary data

You could build… Tap-to-define inside a reading app, with pronunciation when the API includes it.

No authHTTPS YesAPI link
DictionariesPricing not listed

Wordnik

Dictionary Data

You could build… Tap-to-define inside a reading app, with pronunciation when the API includes it.

API keyHTTPS YesAPI link
DictionariesPricing not listed

Words

Definitions and synonyms for more than 150,000 words

You could build… Tap-to-define inside a reading app, with pronunciation when the API includes it.

API keyHTTPS YesAPI link
DictionariesPricing not listed

WordSoHard

Word definitions with Scrabble validity and tile score in one call, built for word games

You could build… Tap-to-define inside a reading app, with pronunciation when the API includes it.

No authHTTPS YesAPI link

All categories

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