> For the complete documentation index, see [llms.txt](https://solinity.gitbook.io/solace/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://solinity.gitbook.io/solace/reference/overview/how-to-use-solace/code-fixer-api.md).

# Code-Fixer API

An API that fixes syntax errors: Built on Solanas blockchain

This API provides functionality for analyzing and automatically fixing code issues across various programs. By leveraging AI-based code analysis, it ensures efficient and accurate identification and resolution of errors.

```
https://api.yourcodefixer.com/v1`
```

### Analyzes the provided code and returns a list of detected issues.

````
#### Endpoint
`POST /analyze`

#### Request
```json
{
  "language": "javascript",
  "code": "const x = 42 console.log(x)"
}
```

#### Response
```json
{
  "issues": [
    {
      "line": 1,
      "column": 16,
      "message": "Missing semicolon.",
      "type": "SyntaxError"
    }
  ]
}
````

### Automatically fixes issues in the provided code and returns the corrected version.

````
#### Endpoint
`POST /fix`

#### Request
```json
{
  "language": "javascript",
  "code": "const x = 42 console.log(x)"
}
```

#### Response
```json
{
  "fixedCode": "const x = 42; console.log(x);",
  "changes": [
    {
      "line": 1,
      "column": 16,
      "change": "Added missing semicolon."
    }
  ]
}
```
````

### Provides optimized and cleaner alternatives for the provided code.

````
#### Endpoint
`POST /suggest`

#### Request
```json
{
  "language": "python",
  "code": "x = [i for i in range(10) if i % 2 == 0]"
}
```

#### Response
```json
{
  "suggestions": [
    {
      "optimizedCode": "x = list(range(0, 10, 2))",
      "reason": "Simplified list comprehension with range step." 
    }
  ]
}
```
````

### Retrieve a list of supported programming languages for code analysis and fixing.

````
#### Endpoint
`GET /languages`

#### Response
```json
{
  "languages": ["javascript", "python", "java", "c++", "solidity"]
}
```

---

## Error Handling

### Common Errors
- **400 Bad Request**: Missing required parameters.
- **401 Unauthorized**: Invalid API key.
- **500 Internal Server Error**: Server-side error.

#### Example Error Response
```json
{
  "error": {
    "code": 400,
    "message": "Invalid JSON payload."
  }
}
```
````

All requests require an API key. Include the following header in every request:

````
Authorization: Bearer YOUR_API_KEY
```

---

## Example Usage (JavaScript)

```javascript
const axios = require('axios');

const apiKey = 'YOUR_API_KEY';
const apiUrl = 'https://api.yourcodefixer.com/v1';

async function fixCode(language, code) {
  try {
    const response = await axios.post(
      `${apiUrl}/fix`,
      { language, code },
      { headers: { Authorization: `Bearer ${apiKey}` } }
    );
    console.log('Fixed Code:', response.data.fixedCode);
  } catch (error) {
    console.error('Error:', error.response.data);
  }
}

fixCode('javascript', 'const x = 42 console.log(x)');
```
````