Best Developer APIs in 2026

A router for LLMs and other AI models.

Generate eye-catching YouTube thumbnails with AI. Face-aware generation, style cloning, and instant variations. Boost your click-through rates with ThumbnailCreator.com.

Key ThumbnailCreator features:

AI YouTube Thumbnails URL to Thumbnail Face Swap

Try for free paid Free Trial

API marketplace for finding and connecting to the world's top APIs.

Key RapidAPI features:

Wide Variety of APIs Unified Billing Ease of Integration Testing Environment

The Collaboration Platform for API Development.

Key Postman features:

User-Friendly Interface Collaboration Comprehensive Testing Tools Extensive API Documentation

Open Source

Fast and reliable screenshot API built to handle millions of screenshots a month.

Key ScreenshotOne features:

Remove ads, trackers, and cookie banners Scrolling and animated screenshots

freemium $17 / Monthly (2000)

Apify is a web scraping and automation platform that can turn any website into an API.

Key Apify features:

Ease of Use Scalability Integration and API Support Customizability

Generate beautiful website screenshots using our fast website screenshot API.

Key ScreenshotAPI.net features:

Ease of Use Customization Options Integration Capabilities Automated Screenshots

freemium $5 / Monthly (1,000 screenshots per month.)

Screenshot full page websites in retina resolution with Urlbox.io screenshot as a service API. Urlbox is the best provider of automated website screenshots offering many unique options and features.

Key Urlbox features:

High-Quality Screenshots Responsive Design Testing Customizable Options API Integration

paid Free Trial $29 / Monthly (5,000 requests)

Run open-source machine learning models with a cloud API.

Key Replicate.com features:

Wide Model Selection User-Friendly Interface Real-time Deployment

Brings voice and messaging to your web and mobile applications.

Key Twilio features:

Scalability Ease of Integration Global Reach Feature-Rich Platform

Open Source

Regrouping the best AI APIs for 10mn integration in your code.

Key Eden AI features:

Multi-Provider Integration Ease of Use Cost Efficiency Scalability

Open Source

One library to standardize all LLM APIs.

Key liteLLM features:

Ease of Use Open Source Flexibility Integration Capabilities

Simple, powerful APIs for everyday dev tasks.

Key Abstract APIs features:

Ease of Use Variety of APIs Scalability Free Tier

Open Source

iSports offers reliable sports data APIs, including live scores, fixtures, stats, odds and historical database through high-performance JSON-based infrastructure.

Key iSports API features:

Wide Sports Coverage Real-Time Data Comprehensive Data Types Structured and Easy-to-Use API

freemium $49 / Monthly