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POST
Chat Completions Format

Authorizations

Authorization
string
header
required

Use Bearer Token authentication Format: Authorization: Bearer sk-xxxxxx

Body

application/json
model
string
required

Model ID

Example:

"gpt-4"

messages
object[]
required

List of conversation messages

temperature
number
default:1

Sampling Temperature

Required range: 0 <= x <= 2
top_p
number
default:1

Nucleus sampling parameter (top_p)

Required range: 0 <= x <= 1
n
integer
default:1

Number of completions to generate

Required range: x >= 1
stream
boolean
default:false

Enable streaming response

stream_options
object
stop

Stop sequences

max_tokens
integer

Maximum tokens for generation

max_completion_tokens
integer

Maximum tokens for completion

presence_penalty
number
default:0
Required range: -2 <= x <= 2
frequency_penalty
number
default:0
Required range: -2 <= x <= 2
logit_bias
object
user
string
tools
object[]
tool_choice
Available options:
none,
auto,
required
response_format
object
seed
integer
reasoning_effort
enum<string>

Reasoning effort level (for reasoning-capable models)

Available options:
low,
medium,
high
modalities
enum<string>[]
Available options:
text,
audio
audio
object

Response

Response created successfully

id
string
object
string
Example:

"chat.completion"

created
integer
model
string
choices
object[]
usage
object
system_fingerprint
string