来源：<https://api-docs.deepseek.com/zh-cn/api/create-completion>

# FIM 补全（Beta）

```
POST /completions
```

FIM（Fill-In-the-Middle）补全 API。

用户需要设置 `base_url="https://api.deepseek.com/beta"` 来使用此功能。

## Request[​](https://api-docs.deepseek.com/zh-cn/api/#request)

- application/json

<details>
<summary>Body **required**</summary>

</details>

OK

- application/json

- Schema
- Example (from schema)

<details>
<summary>**Schema**</summary>

</details>

```json
{
    "id": "string",
    "choices": [
        {
            "finish_reason": "stop",
            "index": 0,
            "logprobs": {
                "text_offset": [
                    0
                ],
                "token_logprobs": [
                    0
                ],
                "tokens": [
                    "string"
                ],
                "top_logprobs": [
                    {}
                ]
            },
            "text": "string"
        }
    ],
    "created": 0,
    "model": "string",
    "system_fingerprint": "string",
    "object": "text_completion",
    "usage": {
        "completion_tokens": 0,
        "prompt_tokens": 0,
        "prompt_cache_hit_tokens": 0,
        "prompt_cache_miss_tokens": 0,
        "total_tokens": 0,
        "completion_tokens_details": {
            "reasoning_tokens": 0
        }
    }
}
```