Numbers
Set an agent's caller number
Sets which of your numbers the agent calls out from, or clears it with null. Numbers that can only receive calls are refused with 409.
Scopes: number:write
PUT
Set an agent's caller number
Authorizations
An API key from Settings → API keys, sent as Authorization: Bearer kb_live_…. A workspace key starts kb_; a personal key starts kbp_ and acts as its owner.
Headers
The API version to answer as, a date (YYYY-MM-DD). Leave it out for the current version (2026-11-07). An unknown version is refused with 400 unsupported_api_version.
Available options:
2026-11-07 Example:
"2026-11-07"
Path Parameters
Body
application/json
Maximum string length:
64