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Every request to the Noonum REST API and MCP server is authenticated with a single HTTP header: 
Authorization: Bearer <token>
The <token> is your Noonum API key, the only authentication method for the REST API and MCP server.

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Base URLs

SettingValue
REST base URLhttps://api.noonum.ai/v1
MCP base URLhttps://api.noonum.ai/v1/mcp (HTTP transport)

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Getting an API key

To request a Noonum API key, contact support at [email protected].

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REST API authentication

Send your key as a Bearer token in the Authorization header: 
curl -X GET "https://api.noonum.ai/v1/strategies" \
  -H "Authorization: Bearer YOUR_API_KEY"
An invalid or missing key returns 401 Unauthorized.

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MCP authentication

Point your MCP client at https://api.noonum.ai/v1/mcp (HTTP transport). Provide your API key as a static Authorization header, for example in claude_desktop_config.json: 
{
  "mcpServers": {
    "noonum": {
      "url": "https://api.noonum.ai/v1/mcp",
      "headers": { "Authorization": "Bearer YOUR_API_KEY" }
    }
  }
}
For connecting an MCP client (including interactive sign-in), see MCP client setup.

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Next steps

API reference

Browse the REST endpoints.

MCP client setup

Connect an MCP client to the Noonum MCP server.