# Get all materials for a specific topic

**GET /api/v1/materials/topic/{topicId}**

Retrieve all learning materials from all lessons within a specific topic.
        
**Returns:**
- Topic information
- Materials grouped by lesson
- All materials in a flat list
- Summary statistics

**Use Cases:**
- Topic overview page
- Bulk material download
- Topic progress tracking


## Servers
- Local server: http://localhost:3500 (Local server)
- Production server: https://api.echoplain.social (Production server)



## Parameters

### Path parameters
- **topicId** (string)
  UUID of the topic to get materials for



## Responses
### 200
Topic materials retrieved successfully

#### Body: application/json (object)
- **topic** (object)

- **materialsGroupedByLesson** (array[object])

- **totalMaterials** (number)

- **totalLessons** (number)


### 400
Default bad request error 400 response

#### Body: application/json (object)
- **message** (string)
  Response message
- **error** (string)

- **statusCode** (number)



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