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Best Flatkey Alternatives in 2026

A curated collection of the best alternatives to Flatkey.

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Written by
ToolJunction Editorial
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Reviewed by
Deepak · AI Tools Expert, ToolJunction
Last updated October 12, 2026

What is Flatkey?

Flatkey is an AI infrastructure platform that gives developers one API key and one balance for 100+ official AI models and 1,000+ AI tools. Calls route to providers' official endpoints, with most models priced around 80 percent of official list prices. The San Jose company announced a $10M Series A in September 2026 after passing 10,000 developers in two months.

One API key for 100+ official AI models and 1,000+ AI tools at lower prices

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