Best Developer APIs in 2026

A router for LLMs and other AI models.

Create ai humanized SEO content tailored for ecommerce and small businesses with HappySEO tools. From ai writer to keyword research and analyze tools.

Key happySEO features:

Humanize AI Writing AI SEO Keywords Local AI SEO SEO Tracking

Visit website freemium Sponsored

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

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

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)

The Collaboration Platform for API Development.

Key Postman features:

User-Friendly Interface Collaboration Comprehensive Testing Tools Extensive API Documentation

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

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

Key Replicate.com features:

Wide Model Selection User-Friendly Interface Real-time Deployment

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)

Generative media platform for developers. Build the next generation of creativity with fal. Lightning fast inference.

Key fal features:

Integration with dbt Flexibility Automation Community Support

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.)

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

✨#1 Open Source AI Gateway & API Developer Portal.

Key APIPark features:

Comprehensive API Collection Ease of Use Flexible Pricing Scalability