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GET
/
agents
/
{agent_id}
/
phone-numbers
List Phone Numbers
curl --request GET \
  --url https://api.cartesia.ai/agents/{agent_id}/phone-numbers \
  --header 'Authorization: Bearer <token>' \
  --header 'Cartesia-Version: <cartesia-version>'
[
  {
    "agent_id": "<string>",
    "number": "<string>",
    "created_at": "2023-11-07T05:31:56Z",
    "updated_at": "2023-11-07T05:31:56Z",
    "is_cartesia_managed": true
  }
]

Documentation Index

Fetch the complete documentation index at: https://docs.cartesia.ai/llms.txt

Use this file to discover all available pages before exploring further.

Authorizations

​
Authorization
string
header
required

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

Headers

​
Cartesia-Version
enum<string>
required

API version header.

Available options:
2024-06-10,
2024-11-13,
2025-04-16,
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.