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POST
Python

Authorizations

Authorization
string
header
required

Instance administrator key, set as LANGWATCH_INSTANCE_ADMIN_API_KEY on a self-hosted deployment. It exists to create the first organization, before any organization key does; every other management API takes an organization key instead.

Body

application/json
name
string
required
Required string length: 1 - 255
slug
string
Required string length: 1 - 255
Pattern: ^[a-z0-9]+(?:-[a-z0-9]+)*$
adminApiKeyName
string
Required string length: 1 - 100

Response

201 - application/json

Success

organization
object
required
team
object
required
adminApiKey
object
required
Last modified on October 12, 2026