The Modern API Directory

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Discover the best APIs for your projects. Compare pricing, check uptime, and find SDKs — all in one place.

25APIs indexed

10categories

Real-time monitoring

Featured APIs

Hand-picked APIs trusted by developers worldwide

Twilio

Featured

Cloud communications platform for SMS, voice, video, WhatsApp, and email at scale.

Basic Authpaid

javascriptpythonruby+4

1.4k99.95%

Anthropic

Featured

Claude large language models for text generation, analysis, vision, and tool use with industry-leading safety.

Large language models (GPT-4, GPT-4o), image generation (DALL-E), embeddings, and speech APIs.

API Keypaid

javascriptpythondotnet+2

8.2k99.80%

Google Maps

Featured

Comprehensive mapping platform with geocoding, directions, Street View, and Places APIs.

API Keyfreemium

javascriptpythonjava+2

2.8k99.99%

Stripe

Featured

Complete payments platform with support for cards, wallets, subscriptions, invoicing, and marketplace payouts.

API Keyfreemium

javascriptpythonruby+4

22k99.99%

Resend

Featured

Modern email API built for developers, with React email templates and excellent deliverability.

API Keyfreemium

javascriptpythonruby+4

80099.90%

Clerk

Featured

Drop-in authentication and user management with pre-built UI components for React and Next.js.

Flexible identity platform with universal login, MFA, social connections, and enterprise SSO.

OAuth 2.0freemium

javascriptpythonruby+6

2.0k99.95%

Algolia

Featured

Lightning-fast search and discovery API with typo tolerance, faceting, and AI-powered recommendations.

API Keyfreemium

javascriptpythonruby+6

1.3k99.99%

Top APIs by Stars

Most popular APIs ranked by GitHub stars

Elasticsearch

Distributed search and analytics engine for full-text search, logging, and real-time data exploration.

API Keyfreemium

javascriptpythonruby+5

71k99.95%

Stripe

Featured

Complete payments platform with support for cards, wallets, subscriptions, invoicing, and marketplace payouts.

API Keyfreemium

javascriptpythonruby+4

22k99.99%

Mapbox

Custom maps, geocoding, navigation, and location search APIs for mobile and web applications.

API Keyfreemium

javascriptpythonjava+2

12k99.95%

OpenAI

Featured

Large language models (GPT-4, GPT-4o), image generation (DALL-E), embeddings, and speech APIs.

API Keypaid

javascriptpythondotnet+2

8.2k99.80%

Discord API

Build bots, integrate apps, and manage communities with Discord's rich messaging and gateway APIs.

OAuth 2.0free

javascriptpythonrust+2

5.8k99.90%

Firebase Auth

Google-backed auth service with email/password, phone, and social provider sign-in out of the box.

JWTfreemium

javascriptpythonjava+4

4.8k99.99%

Clerk

Featured

Drop-in authentication and user management with pre-built UI components for React and Next.js.

Industry-standard object storage with virtually unlimited scalability, 99.999999999% durability.

API Keypaid

javascriptpythonruby+5

3.1k99.99%

Browse by Category

Explore APIs organized by use case

View all

AI / ML

2 APIs

Artificial intelligence and machine learning APIs

Authentication

3 APIs

Identity management and auth provider APIs

Cloud Storage

3 APIs

Object storage and file management APIs

Communication

2 APIs

SMS, voice, video, and messaging APIs

2 APIs

Transactional and marketing email APIs

Maps & Location

2 APIs

Geocoding, mapping, and location intelligence APIs

Payments

5 APIs

Payment processing, billing, and subscription APIs

2 APIs

Full-text search and discovery APIs

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