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POST
Chat Completion

Authorizations

Authorization
string
header
required

Bearer authentication header of the form Bearer <token>, where <token> is your auth token.

Body

application/json
model
enum<string>
required

Model ID

Available options:
claude-opus-4-8
Example:

"claude-opus-4-8"

messages
object[]
required

A list of messages comprising the conversation so far.

Minimum array length: 1
Example:
max_tokens
integer
default:8192

The maximum number of tokens to generate.

Required range: 1 <= x <= 8192
temperature
number
default:1

Sampling temperature. Higher values make output more random.

Required range: 0 <= x <= 2
Example:

1

frequency_penalty
number
default:0

Penalizes repeated tokens based on their frequency in the text so far.

Required range: -2 <= x <= 2
presence_penalty
number
default:0

Penalizes tokens that have already appeared in the text.

Required range: -2 <= x <= 2
stream
boolean
default:false

If true, stream partial message deltas using SSE.

stop

Sequences where the model will stop generating further tokens.

Response

Completion generated successfully

id
string
required
Example:

"chatcmpl-abc123"

object
string
required
Example:

"chat.completion"

created
integer
required

Unix timestamp

model
string
required
Example:

"claude-opus-4-8"

choices
object[]
required
usage
object