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GET
List Phone Numbers (Deprecated)
This endpoint is deprecated! Use List Phone Numbers instead

Authorizations

Authorization
string
header
default:$CARTESIA_API_KEY
required

Cartesia API key (sk_car_...). Get one at play.cartesia.ai/keys.

Headers

Cartesia-Version
enum<string>
default:2026-03-01
required

API version header.

Available options:
2026-03-01
Example:

"2026-03-01"

Path Parameters

agent_id
string
required

The ID of the agent.

Response

200 - application/json
agent_id
string
required

The ID of the agent.

number
string
required

The phone number.

created_at
string<date-time>
required

The UTC timestamp when the phone number was created.

updated_at
string<date-time>
required

The UTC timestamp when the phone number was last updated.

is_cartesia_managed
boolean
required

Whether the phone number is managed by Cartesia. As of now, this is always true since Cartesia provisions phone numbers for you.