# Attestation routes

URL: /code/api/attestation · Id: `page:code/api/attestation`

> Every Attestation Verb as an api.sb route, with its inputs, result, refusals and an example.

Reference for [Attestation](/business/nouns/attestation).

| Noun | System | Run by |
| --- | --- | --- |
| [Attestation](/business/nouns/attestation) | [Credentialing](/systems/credentialing) | [Compliance Officer](/agents/legal/compliance-officer) |

### Attestation.create
Creates an Attestation. [Verb page](/business/nouns/attestation/create?interface=api).

```text
POST /{namespace}/attestations
```

Body, as JSON: the inputs. Emits `Attestation.created`.

**Inputs**

| Input | Type | Required | Description |
| --- | --- | --- | --- |
| `outcome` | `string` | Yes | One of `performed` or `declined`. |
| `signedAt` | `datetime` | Yes | When the Worker signed it. |
| `reservedAct` | [Reserved Act](/business/nouns/reserved-act) | No | The Reserved Act the Attestation records as performed or declined. |
| `credential` | [Credential](/business/nouns/credential) | No | The Credential the signing Worker held when it signed. |

**Returns**

| Output | Type | Required | Description |
| --- | --- | --- | --- |
| `attestation` | [Attestation](/business/nouns/attestation) | Yes | The Attestation. |

**Refuses when**

| Check | Error | Fix | Then call |
| --- | --- | --- | --- |
| The key is valid, but its scopes do not allow this operation. | [`forbidden`](/code/api/errors/forbidden) | Use a key whose scopes cover the operation, or ask an owner of the namespace to grant them. | None. |

**Example**

```bash
curl -X POST https://api.sb/tutorloop.com/attestations \
  -H "Authorization: Bearer $STARTUP_BUILDER_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"outcome":"performed","signedAt":"2026-10-22T12:00:00Z"}'
```

```json
{
  "api": "https://api.sb/tutorloop.com",
  "attestation": {
    "$id": "https://api.sb/tutorloop.com/attestations/attestation_reixEU2HGB",
    "$type": "Attestation",
    "outcome": "performed",
    "signedAt": "2026-10-22T12:00:00Z"
  },
  "action": {
    "$id": "https://api.sb/tutorloop.com/actions/act_DEVhiF6mF5",
    "operation": "Attestation.create",
    "status": "done"
  },
  "links": {
    "self": "https://api.sb/tutorloop.com/actions/act_DEVhiF6mF5"
  }
}
```

### Attestation.get
Returns one Attestation by id. [Verb page](/business/nouns/attestation/get?interface=api).

```text
GET /{namespace}/attestations/{id}
```

Path: `id`. Query: the other inputs. Reads only: it emits no Event.

**Inputs**

| Input | Type | Required | Description |
| --- | --- | --- | --- |
| `id` | `string` | Yes | The id of the Attestation. |
| `at` | `string` | No | A time or Version name: the record as it stood then. Unset: as it stands now. |

**Returns**

| Output | Type | Required | Description |
| --- | --- | --- | --- |
| `attestation` | [Attestation](/business/nouns/attestation) | Yes | The Attestation. |

**Refuses when**

| Check | Error | Fix | Then call |
| --- | --- | --- | --- |
| The key is valid, but its scopes do not allow this operation. | [`forbidden`](/code/api/errors/forbidden) | Use a key whose scopes cover the operation, or ask an owner of the namespace to grant them. | None. |

**Example**

```bash
curl https://api.sb/tutorloop.com/attestations/attestation_reixEU2HGB \
  -H "Authorization: Bearer $STARTUP_BUILDER_API_KEY"
```

```json
{
  "api": "https://api.sb/tutorloop.com",
  "$type": "Attestation",
  "$id": "https://api.sb/tutorloop.com/attestations/attestation_reixEU2HGB",
  "attestation": {
    "$id": "https://api.sb/tutorloop.com/attestations/attestation_reixEU2HGB",
    "$type": "Attestation",
    "outcome": "performed",
    "signedAt": "2026-10-22T12:00:00Z"
  },
  "links": {
    "self": "https://api.sb/tutorloop.com/attestations/attestation_reixEU2HGB",
    "up": "https://api.sb/tutorloop.com/attestations"
  }
}
```

### Attestation.list
Returns Attestations, newest first, one page at a time. [Verb page](/business/nouns/attestation/list?interface=api).

```text
GET /{namespace}/attestations
```

Query: the inputs. Reads only: it emits no Event.

**Inputs**

| Input | Type | Required | Description |
| --- | --- | --- | --- |
| `limit` | `integer` | No | At most this many records, up to 100. The default is 20. |
| `after` | `string` | No | The cursor from the previous page. |
| `where` | `string` | No | A filter over the properties, such as `paidAt = null and total.amount > 500`. |
| `sort` | `string` | No | Properties to sort by, comma-separated; a leading minus sorts descending. |
| `total` | `boolean` | No | True adds the match count as `meta.total`, exact up to 10,000 matches and estimated above. |
| `facets` | `string` | No | Properties to count by value, comma-separated, returned as `meta.facets`. |
| `fields` | `string` | No | Properties to return on each record, comma-separated; `$id` and `$type` always return. |
| `include` | `string` | No | Related records to embed in place of their URLs, comma-separated. |
| `depth` | `integer` | No | How many levels of related records to embed. The default is 1. |
| `q` | `string` | No | Words to match across the text properties, ranked by relevance. |
| `match` | `string` | No | Ranks the search by `words`, or `meaning`; words is the default. |

**Returns**

| Output | Type | Required | Description |
| --- | --- | --- | --- |
| `attestations` | list of [Attestation](/business/nouns/attestation) | Yes | One page of Attestations. |

**Refuses when**

| Check | Error | Fix | Then call |
| --- | --- | --- | --- |
| The key is valid, but its scopes do not allow this operation. | [`forbidden`](/code/api/errors/forbidden) | Use a key whose scopes cover the operation, or ask an owner of the namespace to grant them. | None. |

**Example**

```bash
curl "https://api.sb/tutorloop.com/attestations?limit=20" \
  -H "Authorization: Bearer $STARTUP_BUILDER_API_KEY"
```

```json
{
  "api": "https://api.sb/tutorloop.com",
  "$type": "Attestation",
  "attestations": [
    {
      "$id": "https://api.sb/tutorloop.com/attestations/attestation_reixEU2HGB",
      "$type": "Attestation",
      "outcome": "performed",
      "signedAt": "2026-10-22T12:00:00Z"
    }
  ],
  "meta": {
    "limit": 20,
    "after": "attestation_reixEU2HGB"
  },
  "links": {
    "self": "https://api.sb/tutorloop.com/attestations?limit=20",
    "next": "https://api.sb/tutorloop.com/attestations?after=attestation_reixEU2HGB"
  }
}
```