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17 Dictionaries & Knowledge APIs to build your startup in Nigeria.

Compare 17 verified Dictionaries & Knowledge APIs by pricing, documentation, and sandbox support.

++++Featured API
Mono Connect API Favicon

Mono Connect API

Open banking infrastructure for real-time financial data, DirectPay, DirectDebit, GSM, disbursements & KYC verification

++++Featured API
Fincra API Favicon

Fincra API

CBN PSSP-licensed African payment gateway. Checkout, virtual accounts, direct debit, and cross-border payments across 50+ currencies and 150+ countries.

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CCountryStateCity API

CountryStateCity API

Look up all 250 countries, states and cities for address forms

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WWordsAPI API

WordsAPI API

Look up English definitions, synonyms, rhymes & word relationships

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FFree Dictionary API

Free Dictionary API

Look up free English definitions, phonetics & audio pronunciations

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WWiktionary API

Wiktionary API

Access multilingual definitions & translations including African languages

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OOxford Dictionary API

Oxford Dictionary API

Look up authoritative Oxford English definitions & thesaurus data

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MMerriam-Webster Dictionary API

Merriam-Webster Dictionary API

Look up trusted American English definitions & pronunciations

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WWordnik API

Wordnik API

Access word definitions, usage examples & pronunciations from multiple sources

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LLingua Robot API

Lingua Robot API

Shut Down

Analyze English words with lemmatization, definitions & pronunciation

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CCollins Dictionary API

Collins Dictionary API

Look up Collins dictionary definitions, thesaurus & example sentences

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WWikipedia API

Wikipedia API

Search & retrieve Wikipedia article summaries & content

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UUnicode Character Data API

Unicode Character Data API

Look up Unicode character names, categories & properties

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RREST Countries API

REST Countries API

Get country flags, currencies & calling codes for 250 countries including Nigeria

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OOpen Library API

Open Library API

Open Library API - Book, author and edition data plus covers

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GGoogle Books API

Google Books API

Google Books API - Search books and volume metadata

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GGutendex API

Gutendex API

Gutendex - JSON API for Project Gutenberg books

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WWikimedia REST API

Wikimedia REST API

Wikimedia REST API - Wikipedia, Wiktionary and Commons content and search

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IInternet Archive APIs API

Internet Archive APIs API

Internet Archive APIs - Search and fetch archived books, audio, video and web pages