# functions.do > Deploy TypeScript functions to 300+ edge locations with zero cold starts. Scale to millions of requests instantly with sub-millisecond execution. Pay only for what you use with no minimums. Deploy Functions Globally in Seconds. Write TypeScript functions with full type safety and deploy to edge locations worldwide. Zero cold starts with automatic scaling. functions.do is one of the primitives of Platform.do, in the Workflows layer (triggers, steps and functions). Every .do shares one grammar, Business-as-Code, and one SDK. ## Page - [functions.do](https://functions.do/): Functions.do - Deploy Serverless Functions Globally | 0ms Cold Starts at the Edge ([Markdown](https://functions.do/index.md)) ## Business-as-Code - [What is Business-as-Code?](https://platform.do/business-as-code): the grammar every .do shares ([Markdown](https://platform.do/business-as-code.md)) - [Platform.do](https://platform.do/): infrastructure for autonomous business ([llms.txt](https://platform.do/llms.txt)) ## Docs - [Documentation](https://docs.platform.do): guides and reference for the whole platform - [SDK](https://docs.platform.do/sdk): TypeScript SDK, `import { on, send, db, $ } from 'sdk.do'` - [CLI](https://docs.platform.do/cli): the `do` command - [MCP](https://docs.platform.do/mcp): one MCP tool, `do`, that runs a script - [API](https://docs.platform.do/api): REST API ## Other Workflows primitives - [workflows.do](https://workflows.do) - [actions.do](https://actions.do) - [triggers.do](https://triggers.do) - [webhooks.do](https://webhooks.do) - [tasks.do](https://tasks.do) - [rpa.do](https://rpa.do) - [transform.do](https://transform.do) ## Optional - [Full text](https://functions.do/llms-full.txt): this index plus the page in full