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POST
/
chat
/
completions
curl --request POST \
  --url https://api.siliconflow.cn/v1/chat/completions \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -d '{
    "model": "Pro/zai-org/GLM-4.7",
    "messages": [
      {"role": "system", "content": "你是一个有用的助手"},
      {"role": "user", "content": "你好，请介绍一下你自己"}
    ]
  }'
{
  "id": "019bdaa55225ef854b320e9b838f77ce",
  "object": "chat.completion",
  "created": 1768899826,
  "model": "Pro/zai-org/GLM-4.7",
  "choices": [
    {
      "index": 0,
      "message": {
        "role": "assistant",
        "content": "你好！...",
        "reasoning_content": "..."
      },
      "finish_reason": "stop"
    }
  ],
  "usage": {
    "prompt_tokens": 15,
    "completion_tokens": 1540,
    "total_tokens": 1555,
    "completion_tokens_details": {
      "reasoning_tokens": 1190
    },
    "prompt_tokens_details": {
      "cached_tokens": 0
    },
    "prompt_cache_hit_tokens": 0,
    "prompt_cache_miss_tokens": 15
  },
  "system_fingerprint": ""
}

Authorizations

​
Authorization
string
header
required

Use the following format for authentication: Bearer

Body

application/json
​
model
string
required

Corresponding Model Name. We periodically update our models to enhance service quality. Changes may include model on/offlining or capability adjustments. We will strive to notify you via announcements or push messages. For a complete list of available models, please check the Models.

Example:

"Pro/zai-org/GLM-4.7"

​
messages
object[]
required

A list of messages comprising the conversation so far.

Required array length: 1 - 10 elements
​
stream
boolean

If set, tokens are returned as Server-Sent Events as they are made available. Stream terminates with data: [DONE]

Example:

false

​
max_tokens
integer

The maximum number of tokens to generate. Ensure that input tokens + max_tokens do not exceed the model’s context window. As some services are still being updated, avoid setting max_tokens to the window’s upper bound; reserve ~10k tokens as buffer for input and system overhead. See Models(https://cloud.siliconflow.cn/models) for details.

Example:

4096

​
enable_thinking
boolean

Switches between thinking and non-thinking modes. This field supports the following models:

- Pro/zai-org/GLM-4.7
- deepseek-ai/DeepSeek-V3.2
- Pro/deepseek-ai/DeepSeek-V3.2
- zai-org/GLM-4.6
- Qwen/Qwen3-8B
- Qwen/Qwen3-14B
- Qwen/Qwen3-32B
- Qwen/Qwen3-30B-A3B
- tencent/Hunyuan-A13B-Instruct
- zai-org/GLM-4.5V
- deepseek-ai/DeepSeek-V3.1-Terminus
- Pro/deepseek-ai/DeepSeek-V3.1-Terminus
Example:

false

​
thinking_budget
integer
default:4096

Maximum number of tokens for chain-of-thought output. This field applies to all Reasoning models.

Required range: 128 <= x <= 32768
Example:

4096

​
min_p
number<float>

Dynamic filtering threshold that adapts based on token probabilities.This field only applies to Qwen3.

Required range: 0 <= x <= 1
Example:

0.05

​
stop

Up to 4 sequences where the API will stop generating further tokens. The returned text will not contain the stop sequence.

Example:

null

​
temperature
number<float>

Determines the degree of randomness in the response.

Example:

0.7

​
top_p
number<float>
default:0.7

The top_p (nucleus) parameter is used to dynamically adjust the number of choices for each predicted token based on the cumulative probabilities.

Example:

0.7

​
top_k
number<float>
Example:

50

​
frequency_penalty
number<float>
Example:

0.5

​
n
integer

Number of generations to return

Example:

1

​
response_format
object

An object specifying the format that the model must output.

​
tools
object[]

A list of tools the model may call. Currently, only functions are supported as a tool. Use this to provide a list of functions the model may generate JSON inputs for. A max of 128 functions are supported.

Response

The response from the model. The response header contains the x-siliconcloud-trace-id field, which serves as a unique identifier for tracing requests, facilitating log queries and issue troubleshooting.

​
id
string
​
choices
object[]
​
usage
object
​
created
integer
​
model
string
​
object
enum<string>
Available options:
chat.completion