Chat（o4 Series） - 302.AI API Document

Request

Header Params

Content-Type

string

required

Example:

application/json

Accept

string

required

Example:

application/json

Authorization

string

optional

Example:

Bearer {{YOUR_API_KEY}}

Body Params application/json

model

string

required

ID of the model to use. For more information on which models are suitable for the chat API, see the Model Endpoint Compatibility Table. ](https://platform.openai.com/docs/models/model-endpoint-compatibility)

reasoning_effort

string

required

messages

array [object {2}]

required

Generate a message for the completed chat in [Chat Format] (https://platform.openai.com/docs/guides/chat/introduction).

role

string

optional

content

string

optional

stop

string

optional

The API will stop generating up to 4 sequences of more tokens.

max_tokens

integer

optional

The maximum number of tokens generated when the chat is completed. The total length of input markers and generated markers is limited by the model context length.

user

string

optional

A unique identifier that represents your end user, which can help OpenAI monitor and detect abuse. Learn more.

Example

{
  "model": "o3-mini",
  "reasoning_effort": "medium",
  "messages": [
    {
      "role": "user",
      "content": "Write a bash script that takes a matrix represented as a string with format \"[1,2],[3,4],[5,6]\" and prints the transpose in the same format."
    }
  ]
}

Request samples

Shell

JavaScript

Java

Swift

Go

PHP

Python

HTTP

C

C#

Objective-C

Ruby

OCaml

Dart

R

curl --location --request POST 'https://api.302.ai/v1/chat/completions' \
--header 'Accept: application/json' \
--header 'Authorization: Bearer sk-jls4AaVBGoe1GwZD64qZA1qyKTN1MPHa4NmvH1cT68z7K1Zz' \
--header 'Content-Type: application/json' \
--data-raw '{
    "model": "o3-mini",
    "reasoning_effort": "medium",
    "messages": [
      {
        "role": "user",
        "content": "Write a bash script that takes a matrix represented as a string with format \"[1,2],[3,4],[5,6]\" and prints the transpose in the same format."
      }
    ]
  }'

Responses

🟢200OK

application/json

Body

id

string

required

object

string

required

created

integer

required

choices

array [object {3}]

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
  }
}