> For the complete documentation index, see [llms.txt](https://celopg.gitbook.io/tokenmanager/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://celopg.gitbook.io/tokenmanager/infrastructure/backend.md).

# Backend

Express.js server providing the REST API, MCP server, and IPFS pinning.

## Setup & run

```bash
cd backend
npm install
cp .env.example .env   # DATABASE_URL, ADMIN_API_KEY, PINATA_JWT
psql -d minter -f schema.sql

npm run dev    # HTTP on port 3001 (REST + MCP)
npm run mcp    # MCP in stdio mode
```

## Endpoint groups

| Group                      | Endpoints                                                             | Docs                                                                           |
| -------------------------- | --------------------------------------------------------------------- | ------------------------------------------------------------------------------ |
| Admin (`X-API-Key` header) | `GET /api/admin/stats`, `GET /api/admin/verify`                       | [Admin Dashboard](/tokenmanager/infrastructure/admin-dashboard.md)             |
| Token creation             | `/api/tokens/...` calldata endpoints                                  | [Agent REST API](/tokenmanager/for-developers-and-ai-agents/agent-rest-api.md) |
| Metadata                   | `POST /api/metadata/pin`, `/pin-with-image`, `GET /api/metadata/:cid` | [Agent REST API](/tokenmanager/for-developers-and-ai-agents/agent-rest-api.md) |
| Logos                      | `POST/GET /api/tokens/:chainId/:address/logo`                         | —                                                                              |
| MCP                        | `POST /mcp`                                                           | [MCP Server](/tokenmanager/for-developers-and-ai-agents/mcp-server.md)         |


---

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