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POST

Authorizations

Authorization
string
header
required

W&B API key whose personal/default entity or teams own the selected task and providers.

Body

application/json
model
string
required

Task alias, alias@vN, or {provider}/{model-id}.

Minimum string length: 1
messages
object[]
required
Minimum array length: 1
metadata
object
stream
boolean
default:false
temperature
number
tools
object[]
tool_choice
any
response_format
object
reasoning_effort
string
max_tokens
integer
Required range: 1 <= x <= 9007199254740991
max_completion_tokens
integer
Required range: 1 <= x <= 9007199254740991
{key}
any

Response

Provider response. Streaming requests return server-sent events and end with [DONE].

id
string
object
string
created
integer
Required range: -9007199254740991 <= x <= 9007199254740991
model
string
choices
object[]
usage
object
{key}
any
Last modified on August 25, 2026