GET
/
v1
/
models
cURL
curl https://api.anthropic.com/v1/models \
     --header "x-api-key: $ANTHROPIC_API_KEY" \
     --header "anthropic-version: 2023-06-01"
{
  "data": [
    {
      "created_at": "2025-02-19T00:00:00Z",
      "display_name": "Claude Sonnet 4",
      "id": "claude-sonnet-4-20250514",
      "type": "model"
    }
  ],
  "first_id": "<string>",
  "has_more": true,
  "last_id": "<string>"
}

Headers

​
anthropic-version
string
required

The version of the Anthropic API you want to use.

Read more about versioning and our version history here.

​
x-api-key
string
required

Your unique API key for authentication.

This key is required in the header of all API requests, to authenticate your account and access Anthropic's services. Get your API key through the Console. Each key is scoped to a Workspace.

​
anthropic-beta
string[]

Optional header to specify the beta version(s) you want to use.

To use multiple betas, use a comma separated list like beta1,beta2 or specify the header multiple times for each beta.

Query Parameters

​
before_id
string

ID of the object to use as a cursor for pagination. When provided, returns the page of results immediately before this object.

​
after_id
string

ID of the object to use as a cursor for pagination. When provided, returns the page of results immediately after this object.

​
limit
integer
default:20

Number of items to return per page.

Defaults to 20. Ranges from 1 to 1000.

Required range: 1 <= x <= 1000

Response

200
application/json

Successful Response

The response is of type object.