# DeveloperCredential

[All API schemas](/api-reference/schemas/)

<code>object</code> — Additional properties rejected

| Field | Required at this level | Type | Description and constraints |
| --- | --- | --- | --- |
| <code>credentialId</code> | Yes | <code>string</code> | Min length: <code>3</code>; Max length: <code>160</code> |
| <code>label</code> | Yes | <code>string</code> | — |
| <code>kind</code> | Yes | <code>string</code> | Allowed: <code>API&#95;KEY</code>, <code>OAUTH&#95;CLIENT</code> |
| <code>scopes</code> | Yes | Array of <code>string</code> | — |
| <code>keyPrefix</code> | Yes | <code>string</code> | Pattern: <code>^klo&#95;&#91;A-Za-z0-9&#95;-&#93;+$</code>; Min length: <code>12</code>; Max length: <code>32</code> |
| <code>secretHash</code> | Yes | [Hash](/api-reference/schemas/hash/) | — |
| <code>createdAt</code> | Yes | <code>string</code> | Format: <code>date-time</code> |
| <code>expiresAt</code> | No | <code>string</code> | Format: <code>date-time</code> |
| <code>rotatedAt</code> | No | <code>string</code> | Format: <code>date-time</code> |
| <code>supersededSecretHash</code> | No | [Hash](/api-reference/schemas/hash/) | — |

Nested required fields apply when their parent object or matching union branch is present. Named types link to their complete schema.

Exact definition: <code>#/components/schemas/DeveloperCredential</code> in the [OpenAPI contract](/openapi/liquidity-operating-system-v2.openapi.json).