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HomeCategoriesFeaturesAPI Key Authentication

50 Best APIs for API Key Authentication in Nigeria

We've analyzed and compared the top 50 API providers supporting API Key Authentication for Nigerian developers and businesses. Find the right infrastructure fit for your startup below.

Ifeoluwa Ajetomobi

Moderated by Ifeoluwa Ajetomobi

Last updated: October 2026

++++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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WWeatherAPI.com API

WeatherAPI.com API

WeatherAPI.com - Real-time, forecast, history, astronomy and search endpoints

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PPirate Weather API

Pirate Weather API

Pirate Weather - Dark Sky-compatible forecast API built on NOAA models

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SStormglass API

Stormglass API

Stormglass - Marine and surf weather: waves, tides, water temperature

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OOpenAQ API

OpenAQ API

OpenAQ - Open air-quality measurements from stations worldwide

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LLocationIQ API

LocationIQ API

LocationIQ - Geocoding, search and maps API

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MMapTiler Cloud API

MapTiler Cloud API

MapTiler Cloud - Map tiles, geocoding, static maps and elevation

++++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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oopenrouteservice API

openrouteservice API

openrouteservice - Directions, isochrones, matrix and geocoding

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SStadia Maps API

Stadia Maps API

Stadia Maps - Map tiles, geocoding and routing

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GGeoNames API

GeoNames API

GeoNames - Place names, postal codes, timezone and elevation lookups

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TTwelve Data API

Twelve Data API

Twelve Data - Stocks, forex, crypto and ETFs, time series and indicators

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FFinancial Modeling Prep API

Financial Modeling Prep API

Financial Modeling Prep - Stock prices, financial statements and ratios

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FFRED API

FRED API

FRED API - Hundreds of thousands of US and international economic series

++++Featured API
Busha API Favicon

Busha API

Nigeria's first SEC-licensed crypto API. Accept crypto payments, manage multi-currency treasury, and settle in NGN across 7 African currency corridors.

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GGroq API

Groq API

Groq - Fast open-model inference (Llama, Qwen and more)

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OOpenRouter API

OpenRouter API

OpenRouter - One API for many models, including free (:free) models

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MMistral AI (La Plateforme) API

Mistral AI (La Plateforme) API

Mistral AI (La Plateforme) - Mistral language, embedding and OCR models

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CCohere API

Cohere API

Cohere - Chat, embeddings and rerank models

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VVoyage AI API

Voyage AI API

Voyage AI - Embedding and rerank models

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TTavily API

Tavily API

Tavily - Search API built for LLM agents

++++Featured API
Prembly (IdentityPass) API Favicon

Prembly (IdentityPass) API

Nigerian and pan-African KYC API (formerly IdentityPass) BVN, NIN, CAC, FRSC, passport verification across 7 African countries in a single integration.

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OOCR.space API

OCR.space API

OCR.space - Image and PDF OCR over HTTP

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mmailboxlayer API

mailboxlayer API

mailboxlayer - Email address validation API

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MMailerSend API

MailerSend API

MailerSend - Transactional email API

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MMailjet API

Mailjet API

Mailjet - Email sending API

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iipgeolocation.io API

ipgeolocation.io API

ipgeolocation.io - IP geolocation, timezone and user-agent parsing

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IIP2Location.io API

IP2Location.io API

IP2Location.io - IP geolocation and proxy detection

++++Featured API
Sumsub API Favicon

Sumsub API

Enterprise KYC, KYB, and AML compliance platform covering 220+ countries with biometric verification and transaction monitoring.

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MMaxMind GeoLite databases API

MaxMind GeoLite databases API

MaxMind GeoLite databases - Free downloadable IP geolocation databases

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GGNews API

GNews API

GNews API - Search and top headlines from 60,000+ sources

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NNewsData.io API

NewsData.io API

NewsData.io - News search across countries and languages

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mmediastack API

mediastack API

mediastack - Real-time news and blog articles

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NNew York Times Developer APIs API

New York Times Developer APIs API

New York Times Developer APIs - Article Search, Top Stories, Books, Archive and more

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TThe Guardian Open Platform API

The Guardian Open Platform API

The Guardian Open Platform - Guardian articles and tags back to 1999

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Hunter API Favicon

Hunter API

Email finder and verification API free 50 searches/month, domain search, MCP server for AI agents, and unified credits system.

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BBALLDONTLIE API

BALLDONTLIE API

BALLDONTLIE - NBA, NFL, MLB and other US sports stats

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TThe Odds API

The Odds API

The Odds API - Live sports odds from bookmakers

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WWatchmode API

Watchmode API

Watchmode - Where to stream movies and shows

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GGoogle Books API

Google Books API

Google Books API - Search books and volume metadata

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NNASA Open APIs API

NASA Open APIs API

NASA Open APIs - APOD, Mars photos, near-Earth objects, EPIC and more

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GGoogle Cloud Translation API

Google Cloud Translation API

Google Cloud Translation - Neural machine translation, 100+ languages

++++Featured API
Paystack API Favicon

Paystack API

Nigeria's leading payment API (a Stripe company). Local: 1.5% + ₦100 capped ₦2,000. International: 3.9%. Fee waived for ≤₦2,500. No monthly fees.

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GGIPHY API

GIPHY API

GIPHY API - GIF search and trending

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SSmithsonian Open Access API

Smithsonian Open Access API

Smithsonian Open Access API - Smithsonian collections and images

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SScreenshotOne API

ScreenshotOne API

ScreenshotOne - Website screenshot API

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MMockaroo API

Mockaroo API

Mockaroo API - Realistic fake data in JSON, CSV, SQL

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TTheCocktailDB API

TheCocktailDB API

TheCocktailDB - Cocktail recipes and ingredients

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aaviationstack API

aviationstack API

aviationstack - Real-time flights, airports and airlines

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OpenWatch API Favicon

OpenWatch API

Open-source intelligence API providing location-based security event data and corporate risk intelligence

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OOpen Charge Map API

Open Charge Map API

Open Charge Map API - EV charging point locations worldwide

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SStack Exchange API

Stack Exchange API

Stack Exchange API - Stack Overflow questions, answers and users

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FForem (DEV) API

Forem (DEV) API

Forem (DEV) API - DEV articles, comments and users

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LLibraries.io API

Libraries.io API

Libraries.io API - Open source package and dependency data

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AAPI Ninjas

API Ninjas

API Ninjas - Dozens of small utility APIs (nutrition, jokes, validation)

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AAbuseIPDB API

AbuseIPDB API

AbuseIPDB - Check and report abusive IP addresses

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Cowrywise API Favicon

Cowrywise API

Savings and investment automation API for Nigerian fintechs

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GGoogle Safe Browsing API

Google Safe Browsing API

Google Safe Browsing API - Check URLs against Google's unsafe-site lists

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TThe Cat API

The Cat API

The Cat API - Cat images and breeds