> For the complete documentation index, see [llms.txt](https://dev.guardian.hedera.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://dev.guardian.hedera.com/developer-tools-and-resources/api-reference/trustchains-apis/requesting.md).

# Requesting

**`GET /trust-chains/`**

Returns a paginated list of all Verifiable Presentation (VP) documents.

**Authentication:** Bearer token required (`Authorization: Bearer <token>`)

**Permission:** `Permissions.AUDIT_TRUST_CHAIN_READ`

***

## Request

### Query Parameters

| Parameter     | Type   | Required | Default | Description                |
| ------------- | ------ | -------- | ------- | -------------------------- |
| `pageIndex`   | number | No       | 0       | Zero-based page index      |
| `pageSize`    | number | No       | 20      | Items per page             |
| `policyId`    | string | No       | —       | Filter by policy ID        |
| `policyOwner` | string | No       | —       | Filter by policy owner DID |

***

## Response

### Success Response

**Status:** `200 OK`

The response includes an `X-Total-Count` header with the total number of matching records.

```json
[
  {
    "id": "63e3e5e8a01b3c001234abcd",
    "policyId": "63e3e5e8a01b3c001234abce",
    "owner": "did:hedera:testnet:zHcDLGFNymFAJiMBKnpbHDgjvTn6yZnwkPPeFhtJBECH_0.0.4532001",
    "hash": "a1b2c3d4e5f6...",
    "document": {
      "@context": ["https://www.w3.org/2018/credentials/v1"],
      "type": ["VerifiablePresentation"]
    }
  }
]
```

### Error Responses

| Status                      | Description               |
| --------------------------- | ------------------------- |
| `401 Unauthorized`          | Missing or invalid token  |
| `403 Forbidden`             | Insufficient permissions  |
| `500 Internal Server Error` | Unexpected server failure |