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Lake AI Service

Lake AI Service

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API reference: Data plane
Usage methods
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Usage methods

Base URL

Region

region id

Base URL

North China 2 (Beijing)

cn-beijing

https://operator.las.cn-beijing.volces.com

East China 2 (Shanghai)

cn-shanghai

https://operator.las.cn-shanghai.volces.com

South China 1 (Guangzhou)

cn-guangzhou

https://operator.las.cn-guangzhou.volces.com

Data plane API authentication

Supports API Key authentication.

API Key signature authentication

Prerequisites

API Key has been created. For details, see API key management.

Signature construction

API Key signature authentication requires adding the Authorization header to the HTTP request header as follows:

Authorization: Bearer <ARK_API_KEY>

Examples

curl https://operator.las.ap-southeast-1.volces.com/api/v1/chat/completions \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer $ARK_API_KEY" \
  -d $'{
    "messages": [
        {
            "content": "You are a helpful assistant.",
            "role": "system"
        },
        {
            "content": "hello",
            "role": "user"
        }
    ],
    "model": "doubao-1-5-pro-32k-250115",
    "stream": true
}'
Last updated: 2026.05.24 15:41:24