# Submo developers (submoapp.com)

> Agent API, MCP, and auth for Submo — the subscription manager at
> https://submoapp.com.

## When to use this file

You are integrating with Submo programmatically. Start here, then fetch OpenAPI.

- [Submo developer portal](https://submoapp.com/developers)
- [Submo OpenAPI spec](https://submoapp.com/openapi.json)
- [Submo auth walkthrough](https://submoapp.com/auth.md)
- [SKILL.md](https://submoapp.com/SKILL.md)
- [AGENTS.md](https://submoapp.com/AGENTS.md)
- [Submo MCP](https://api.submoapp.com/mcp) — also at https://mcp.submoapp.com
- [Submo research MCP, no key](https://api.submoapp.com/mcp/docs)
- [Submo MCP server card](https://submoapp.com/.well-known/mcp/server-card.json)
- [Submo docs index](https://submoapp.com/docs/llms.txt) · [MCP details](https://submoapp.com/mcp/llms.txt)
- [Plans](https://api.submoapp.com/v1/plans)

Public research needs no key. Paid tools need `Authorization: Bearer submo_live_…`.

Errors: every 4xx/5xx is `{ "error": { "code", "message", "hint", "docs_url" } }`.
Webhooks: none — poll `GET /v1/scans/{id}` after a 202.