# MASV Developer Platform

> MASV is a high-speed large file transfer platform. This documentation covers the MASV Agent (CLI/REST API for headless transfers), the MASV REST API, and browser-based Web Uploader and Downloader SDKs. Use these tools to build automated, large-scale file transfer workflows.

Base URL: `https://api.massive.app`

Key domain terms: **Team** (top-level org unit), **Portal** (branded upload destination), **Package** (collection of files sent via MASV), **Teamspace** (shared cloud storage workspace), **Link** (shareable download URL), **Metadata** (custom key-value data on Packages).

## Documentation Sets

- [Abridged documentation](https://developer.masv.io/llms-small.txt): a compact version of the documentation for MASV Developer Platform, with non-essential content removed
- [Complete documentation](https://developer.masv.io/llms-full.txt): the full documentation for MASV Developer Platform

## Notes

- The complete documentation includes all content from the official documentation
- The content is automatically generated from the same source as the official documentation

## Optional

- [MASV REST API OpenAPI Spec](https://developer.masv.io/specs/backend-api.yml): Full OpenAPI/Swagger specification for the MASV REST API (teams, portals, packages, transfers).
- [MASV Agent API OpenAPI Spec](https://developer.masv.io/specs/agent-api.yml): Full OpenAPI/Swagger specification for the MASV Agent local REST API (headless file transfers).