Best SEO API Products in 2026

SEO & AI visibility, in one API.

Key Trackee.dev features:

AI visibility checks Google rank and AI Overview tracking Keyword research and ideas Competitors and brand mentions

freemium

Aviation and flight API tailored for SMBs and individual developers, offering flight status, schedules, aircraft and airport data, statistics, historical data and more. Seamless REST/web hook integration via API marketplaces at affordable rates.

Key AeroDataBox features:

Flight Search ADS-B Feeding Flight Data API Flight Subscription & Alert API

Try for free freemium $7.5 / Monthly

Monitor how often your brand is mentioned on ChatGPT, Perplexity & more. Get insights for Generative Engine Optimization (GEO) and improve your AI visibility.

Key Sellm features:

GEO Audits LLM Mention Tracking Competitive Benchmarking

Free Trial

Stay ahead by monitoring and your content & brand across major AI Search Platforms. With Otterly.AI, you can automatically track brand mentions and website citations on Google AI Overviews/AI Mode, ChatGPT, Perplexity, Gemini, and Copilot.

Key Otterly.AI features:

Ease of Use Real-time Transcription Collaboration Features Integration Options

paid Free Trial