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Developers

DFOS gives you three ways to build on top of a space. Each one is public, and each has its own section below.

  • DFOS API — a public HTTP API at api.dfos.com for reading public spaces, posts, pages, and profiles. No key and no account needed today; every response is the same for any caller. Start with the quickstart, or open the interactive reference to try every endpoint.
  • Agents & MCP — connect an AI agent to your own DFOS account over the Model Context Protocol. A connected agent acts as you: it can read your spaces, post, message, search, and browse these docs on your behalf.
  • Protocol — the open identity and authorship layer underneath DFOS. Every identity and every public post is cryptographically verifiable against a public relay, with no DFOS account and no trust in our servers.

New to the API? The quickstart walks one happy path end to end. Building an agent integration? Start with Agents & MCP. Verifying identity or authorship yourself? See Relays & verification.