> ## Documentation Index
> Fetch the complete documentation index at: https://openrouter.ai/docs/llms.txt
> Use this file to discover all available pages before exploring further.

# VaultSecret

Metadata for one stored secret. The secret value is never returned. `fingerprint` is an HMAC-SHA-256 of the value keyed with that vault's own data key, so it is comparable only within one vault: equal fingerprints in one vault mean equal values, and rewriting the same value keeps its fingerprint. The same value stored in two vaults (for example a workspace secret and its intern copy) carries different fingerprints, so comparing fingerprints across vaults cannot show that a copy matches or that a rotation propagated. `hosts` and `fingerprint` are `null` only for legacy rows written before host binding was required; storing the secret again assigns hosts.

## Fields

| Field         | Type                                                                 | Required             | Description |
| ------------- | -------------------------------------------------------------------- | -------------------- | ----------- |
| `created_at`  | [date](https://docs.python.org/3/library/datetime.html#date-objects) | :heavy\_check\_mark: | N/A         |
| `fingerprint` | *Nullable\[str]*                                                     | :heavy\_check\_mark: | N/A         |
| `hosts`       | List\[*str*]                                                         | :heavy\_check\_mark: | N/A         |
| `name`        | *str*                                                                | :heavy\_check\_mark: | N/A         |