## Create User Profile

`$client->beta->userProfiles->create(?string externalID, ?array<string,string> metadata, ?string name, ?Relationship relationship, ?list<AnthropicBeta> betas): BetaUserProfile`

**post** `/v1/user_profiles`

Create User Profile

### Parameters

- `externalID?:optional string`

  Platform's own identifier for this user. Not enforced unique. Maximum 255 characters.

- `metadata?:optional array<string,string>`

  Free-form key-value data to attach to this user profile. Maximum 16 keys, with keys up to 64 characters and values up to 512 characters. Values must be non-empty strings.

- `name?:optional string`

  Display name of the entity this profile represents. Required when relationship is `resold` (the resold-to company's name); optional otherwise. Maximum 255 characters.

- `relationship?:optional Relationship`

  How the entity behind a user profile relates to the platform that owns the API key. `external`: an individual end-user of the platform. `resold`: a company the platform resells Claude access to. `internal`: the platform's own usage.

- `betas?:optional list<AnthropicBeta>`

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

### Returns

- `BetaUserProfile`

  - `string id`

    Unique identifier for this user profile, prefixed `uprof_`.

  - `\Datetime createdAt`

    A timestamp in RFC 3339 format

  - `array<string,string> metadata`

    Arbitrary key-value metadata. Maximum 16 pairs, keys up to 64 chars, values up to 512 chars.

  - `Relationship relationship`

    How the entity behind a user profile relates to the platform that owns the API key. `external`: an individual end-user of the platform. `resold`: a company the platform resells Claude access to. `internal`: the platform's own usage.

  - `array<string,BetaUserProfileTrustGrant> trustGrants`

    Trust grants for this profile, keyed by grant name. Key omitted when no grant is active or in flight.

  - `Type type`

    Object type. Always `user_profile`.

  - `\Datetime updatedAt`

    A timestamp in RFC 3339 format

  - `?string externalID`

    Platform's own identifier for this user. Not enforced unique.

  - `?string name`

    Display name of the entity this profile represents. For `resold` this is the resold-to company's name.

### Example

```php
<?php

require_once dirname(__DIR__) . '/vendor/autoload.php';

$client = new Client(apiKey: 'my-anthropic-api-key');

$betaUserProfile = $client->beta->userProfiles->create(
  externalID: 'user_12345',
  metadata: [],
  name: 'x',
  relationship: 'external',
  betas: ['message-batches-2024-09-24'],
);

var_dump($betaUserProfile);
```

#### Response

```json
{
  "id": "uprof_011CZkZCu8hGbp5mYRQgUmz9",
  "created_at": "2026-03-15T10:00:00Z",
  "metadata": {},
  "relationship": "external",
  "trust_grants": {
    "cyber": {
      "status": "active"
    }
  },
  "type": "user_profile",
  "updated_at": "2026-03-15T10:00:00Z",
  "external_id": "user_12345",
  "name": "Example User"
}
```