# RWS: Interpret a Hand

`POST https://api.astroway.info/v1/tarot/rider-waite/interpret`

Resolve a list of card slugs into structured meanings (use AI /interpret/* for full narrative).

Group: Tarot: Rider-Waite-Smith. Auth: `X-Api-Key` header. Operation ID: `tarot_rider-waite_interpret`.

## Parameters

| Name | In | Required | Type | Description |
|---|---|---|---|---|
| `fields` | query | no | string | Comma-separated dotted paths, relative to `data`, to keep in the response. A path is applied to every element of an array, so `planets.name` means the name of each planet. Paths that match nothing come back in `_fields_unmatched`; a list where nothing matches at all is a 400, because an empty object would be a confident wrong answer. |
| `precision` | query | no | integer | Round every non-integer number in the response to this many decimal places. Integers are left alone, because an id is not a measurement. Ecliptic longitudes ship with fourteen decimals by default; 2 is about a tenth of an arcminute. |

## Request body

| Field | Type | Required | Description |
|---|---|---|---|
| `cards` | string[] | yes |  |
| `question` | string | no |  |

```json
{
  "cards": [
    "the-fool",
    "the-magician"
  ],
  "question": "Career change?"
}
```

## Responses

| Status | Meaning |
|---|---|
| 200 | Successful calculation |
| 400 | Validation error |
| 401 | Missing or invalid API key |

### Success fields, under `data`

| Field | Type | Required | Description |
|---|---|---|---|
| `question` | string | no |  |
| `cards` | object[] | no |  |
| `narrativeStub` | string | no |  |

## Example

```bash
curl -X POST https://api.astroway.info/v1/tarot/rider-waite/interpret \
  -H "X-Api-Key: aw_live_..." \
  -H "Content-Type: application/json" \
  -d '{ "cards": [ "the-fool", "the-magician" ], "question": "Career change?" }'
```

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Rendered from https://api.astroway.info/v1/openapi.json. HTML page: https://api.astroway.info/docs/api/operations/tarot_rider-waite_interpret/