POST /v1/chat/completions

Method: POSTEndpoint: /v1/chat/completions

This section contains endpoint-specific behavior, parameters, or usage notes for this API. googleSearch codeExecution urlContext

Request Parameters

Header Parameters

Content-Type
string
Required
Example:
application/json
Accept
string
Required
Example:
application/json
Authorization
string
Optional
Default Value:
Bearer {{YOUR_API_KEY}}

Body Parameters application/json

model
string
Required
messages
array
[object]
Required
role
string
Optional
content
string
Optional
tools
array
[object]
Required
type
string
Optional
function
object
Optional
Example
{
"model"
:
"gemini-3.1-flash-lite-preview"
,
"messages"
:
[
{
"role"
:
"user"
,
"content"
:
  // provider-specific example normalized for English documentation
}
]
,
"tools"
:
[
{
"type"
:
"function"
,
"function"
:
{
"name"
:
"googleSearch"
}
}
]
}

Example Request

Shell

curl --location --request POST '/v1/chat/completions' \
--header 'Accept: application/json' \
--header 'Authorization: Bearer {{YOUR_API_KEY}}' \
--header 'Content-Type: application/json' \
--data-raw '{
    "model": "gemini-3.1-flash-lite-preview",
    "messages": [
        {
            "role": "user",
  // provider-specific example normalized for English documentation
        }
    ],
    "tools": [
        {
            "type": "function",
            "function": {
                "name": "googleSearch"
            }
        }
    ]
}'

Response

🟢 200 OK

Content Type: application/json

Response Schema

id
string
Required
object
string
Required
created
integer
Required
choices
array
[object]
Required
index
integer
Optional
message
object
Optional
finish_reason
string
Optional
usage
object
Required
prompt_tokens
integer
Required
completion_tokens
integer
Required
total_tokens
integer
Required

Example

{
    "id": "chatcmpl-123",
    "object": "chat.completion",
    "created": 1677652288,
    "choices": [
        {
            "index": 0,
            "message": {
                "role": "assistant",
                "content": "\n\nHello there, how may I assist you today?"
            },
            "finish_reason": "stop"
        }
    ],
    "usage": {
        "prompt_tokens": 9,
        "completion_tokens": 12,
        "total_tokens": 21
    }
}