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App Development Company

APILayer

API marketplace where developers find and connect ready-made REST APIs for finance, AI, content and more

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About APILayer

APILayer runs an online marketplace of REST APIs that developers can plug into their own applications. The catalogue is sorted into categories such as AI and machine learning, finance, stock data, content, and investment and portfolio tools. New APIs are added over time.

What APILayer offers

API marketplace — a searchable catalogue of APIs, filterable by category and rating.
Finance and market data APIs — stock quotes, investment and portfolio data.
AI and content APIs — machine learning and text data services.
Developer community — a mailing list with case studies, event news and product updates.

Who it works with

APILayer is aimed at software developers and businesses that want to add data and functions to their apps without building them from scratch.

Profile written by TrustList from the business's own published information, Sep 2026.

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