API black outline icon
Outlined gear wheel with the letters API inside a circle at its center
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About the API black outline icon
A cogwheel with eight square teeth around its rim and a plain inner circle holding the letters API. The pairing of machinery and lettering communicates programmable interfaces, service configuration and systems that talk to each other automatically. Use it in developer documentation, integration marketplaces, backend settings screens, SaaS pricing tables and architecture diagrams that separate front end from services.
The teeth are evenly spaced and the inner circle is large enough that the three letters sit comfortably without crowding the rim. It pairs naturally with cloud, database and webhook icons in a developer feature grid; below 32 px the lettering blurs, so switch to a plain gear or the filled style.
This is the black outline version of the api icon: even, monoline strokes that stay crisp at small sizes and suit clean, minimal interfaces, wireframes and light backgrounds.
It downloads free as an SVG vector or transparent PNG in seven sizes, and the free online editor lets you recolor it, apply gold, silver, neon and gradient styles, add animation, or convert it to EPS, PDF and DXF.
Free for personal and commercial use with attribution.
