Text generation (stream)

POST

https://api.key4u.vn/v1beta/models/gemini-3-pro-preview:streamGenerateContent

Official documentation: https://ai.google.dev/gemini-api/docs/text-generation?hl=zh-cn#multi-turn-conversations

Request

Authorization

Provide your bearer token in the

Authorization

header when making requests to protected resources.

Example:

Authorization: Bearer ********************

Query Params

Header Params

Body Params application/json

Examples

Responses

🟢200

application/json

Bodyapplication/json

🟠400Bad request or validation failed

🟠401Missing or invalid API Key

Request Example

Shell

JavaScript

Java

Swift

curl --location --globoff 'https://api.key4u.vn/v1beta/models/gemini-3-pro-preview:streamGenerateContent?key={{YOUR_API_KEY}}&alt=sse' \
--header 'Authorization: Bearer <token>' \
--header 'Content-Type: application/json' \
--data '{
  "contents": [
    {
      "parts": [
        {
          "text": "Hello there"
        }
      ],
      "role": "user"
    }
  ],
  "generationConfig": {
    "temperature": 1,
    "thinkingConfig": {
      "includeThoughts": true,
      "thinkingBudget": 26240
    },
    "topP": 1
  },
  "systemInstruction": {
    "parts": [
      {
        "text": "You are a cat. Your name is Neko."
      }
    ]
  }
}'

Response Example

200 - example

{
  "id": "resp_example",
  "object": "response",
  "status": "completed"
}

Modified at 2026-10-13 12:32:40

text generation

Text generation + thinking (stream)