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Danube API

The Danube API provides programmatic access to tool discovery, search, and execution. Use these endpoints to integrate Danube capabilities into your own applications.
Base URL: https://api.danubeai.com/v1All API requests require authentication via your Danube API key.

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Authentication

Include your API key in the request headers: 
curl -X GET "https://api.danubeai.com/v1/tools/search?query=weather" \
  -H "Authorization: Bearer YOUR_API_KEY"
Or use the danube-api-key header: 
curl -X GET "https://api.danubeai.com/v1/tools/search?query=weather" \
  -H "danube-api-key: YOUR_API_KEY"

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Rate Limits

API requests are rate limited based on your plan:
PlanRequests/minute
Free60
Pro300
EnterpriseCustom

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Endpoints Overview

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Tools (Requires API Key)

List Tools

Get all available tools

Search Tools

Find tools using natural language

Get Tool

Get tool details by ID

Call Tool

Execute a tool with parameters

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Services (Public)

List Services

Browse available service providers

Get Service

Get service details

Get Service Tools

Get all tools for a service

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Response Format

All API responses are JSON and follow this structure: 
{
  "success": true,
  "data": { ... },
  "error": null
}
Error responses include details: 
{
  "success": false,
  "data": null,
  "error": {
    "code": "UNAUTHORIZED",
    "message": "Invalid API key"
  }
}

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SDKs and Libraries

While you can use the REST API directly, we recommend using the MCP protocol for AI assistant integrations. See the Quickstart for MCP setup.