# Mayan Compatibility

`POST https://api.astroway.info/v1/mayan/compatibility`

Pair compatibility from Tzolkin name + tone alignment plus elemental/directional affinity. Returns 0-100 score.

Group: Mayan Calendars. Auth: `X-Api-Key` header. Operation ID: `mayan_compatibility`.

## 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 |
|---|---|---|---|
| `person1` | object | yes |  |
| `person1.date` | string | yes |  |
| `person2` | object | yes |  |
| `person2.date` | string | yes |  |

```json
{
  "person1": {
    "date": "1990-06-15"
  },
  "person2": {
    "date": "1985-03-22"
  }
}
```

## Responses

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

### Success fields, under `data`

| Field | Type | Required | Description |
|---|---|---|---|
| `compatibility` | object | no |  |
| `compatibility.score` | number | no |  |
| `compatibility.category` | string | no |  |
| `compatibility.notes` | string[] | no |  |

## Example

```bash
curl -X POST https://api.astroway.info/v1/mayan/compatibility \
  -H "X-Api-Key: aw_live_..." \
  -H "Content-Type: application/json" \
  -d '{ "person1": { "date": "1990-06-15" }, "person2": { "date": "1985-03-22" } }'
```

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