Free Sound Effects — CC0 MP3, No Signup

# SFXMint — Free CC0 Sound Effects for Games > Free sound effects for the game you are making: a library of 10,900+ > AI-generated and procedurally-synthesized sounds at https://sfxmint.com, with an > API and MCP server for coding assistants, free to try with no key. Every file is > CC0 1.0 Universal (public domain) — free for any use, commercial or personal, > no attribution or signup required. Audio URLs are permanent, immutable, and > CORS-enabled for direct hotlinking. ## Site - [Home](https://sfxmint.com/): search the library by what a sound is or what it is for, popular sound families and the categories. - Browse sounds by category: 23 categories, 10,900+ sounds total: [UI Sound Effects](https://sfxmint.com/category/ui), [8-Bit & Retro Game Sound Effects](https://sfxmint.com/category/retro-game), [Transition & Whoosh Sound Effects](https://sfxmint.com/category/transition), [Impact & Hit Sound Effects](https://sfxmint.com/category/impact), [Nature & Ambient Sound Effects](https://sfxmint.com/category/ambience), [Water Sound Effects](https://sfxmint.com/category/water), [Fire & Electricity Sound Effects](https://sfxmint.com/category/fire-electric), [Footstep Sound Effects](https://sfxmint.com/category/footsteps), [Door Sound Effects](https://sfxmint.com/category/door), [Mechanical Sound Effects](https://sfxmint.com/category/mechanical), [Paper & Fabric Sound Effects](https://sfxmint.com/category/paper-fabric), [Glass & Ceramic Sound Effects](https://sfxmint.com/category/glass), [Animal Sound Effects](https://sfxmint.com/category/animal), [Crowd Sound Effects](https://sfxmint.com/category/crowd), [Cartoon Sound Effects](https://sfxmint.com/category/cartoon), [Magic & Sci-Fi Sound Effects](https://sfxmint.com/category/magic-scifi), [Horror & Suspense Sound Effects](https://sfxmint.com/category/horror), [Success & Error Sound Effects](https://sfxmint.com/category/feedback), [Instrument Sound Effects](https://sfxmint.com/category/instrument), [Office & Tech S

{ "openapi": "3.1.0", "info": { "title": "SFXMint Sound Effects API", "version": "1.0.0", "summary": "Free CC0 sound effects for apps and games, free to try with no API key.", "description": "JSON API for 10,900+ AI-generated CC0 sound effects: search by description, look up a sound by the event it is for, fetch a set for a whole app or game, and download MP3 files. Trying it needs no key or signup: 20 API lookups and MCP tool calls a day per network without an API key, 100 a