# Compatibility: dosha cancellation (Mangal, Nadi, Bhakoot)

`POST https://api.astroway.info/v1/vedic/compatibility/dosha-cancellation`

Mangal (Kuja), Nadi and Bhakoot dosha of the couple and whether each is cancelled. Kuja positions by `mangalSchool` (south default: 1, 2, 4, 7, 8, 12 from Lagna, Moon and Venus), then the exceptions of BPHS 80.47, Muhurta Chintamani, Jataka Chandrika, Jataka Parijata and Garga, and samya when both partners have it. Nadi: Jyotirnibandha, Muhurta Ganapati, Narada Samhita and Piyushdhara. Bhakoot: Muhurta Pradipa (6/8), Kalaprakasika (2/12), Jyotih Prakasam (5/9). Every rule that fires is returned with its source.

Group: Vedic. Auth: `X-Api-Key` header. Operation ID: `vedic_compatibility_dosha-cancellation`.

## 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. |
| `Idempotency-Key` | header | no | string | Unique per logical operation, kept across retries. For 24 hours from the first request, a repeat with the same key, method, path, body and query string returns the stored response with `Idempotent-Replayed: true` and costs 0 credits. The same key with a different body or query string is a 409 `IDEMPOTENCY_KEY_REUSED`; a repeat while the first is still running is a 409 `IDEMPOTENCY_IN_PROGRESS`. Only 2xx responses are kept. See /idempotency/. |

## Request body

| Field | Type | Required | Description |
|---|---|---|---|
| `chart1` | object | yes |  |
| `chart1.date` | string | yes |  |
| `chart1.time` | string | yes |  |
| `chart1.timezoneOffset` | number | no | Hours from UTC at the given moment, not minutes. Fractional zones are hours too: 5.5 for India, 5.75 for Nepal, -3.5 for Newfoundland. Defaults to 0, meaning UTC. Ignored when timezone is sent. |
| `chart1.timezone` | string | no | IANA zone name such as Europe/Kyiv, or auto to look the zone up from latitude and longitude. The server takes the offset that zone kept at this local date and time, summer time included, and uses it in place of timezoneOffset. A clock time that happened twice takes the first occurrence; one skipped when clocks went forward takes the offset from before the change. Abbreviations such as EST are refused. Before 1970 the tz database is not reliable for every place, so send timezoneOffset when the local clock is known. |
| `chart1.latitude` | number | yes |  |
| `chart1.longitude` | number | yes |  |
| `chart1.houseSystem` | "P" \| "K" \| "R" \| "C" \| "E" \| "W" \| "B" \| "M" \| … | no |  |
| `chart1.name` | string | no |  |
| `chart1.city` | string | no |  |
| `chart1.zodiacType` | "tropical" \| "sidereal" | no |  |
| `chart1.ayanamsaId` | number | no |  |
| `chart1.ayanamsa` | "fagan-bradley" \| "lahiri" \| "de-luce" \| "raman" \| "krishnamurti" \| "kp" \| "yukteshwar" \| "jn-bhasin" \| … | no | Sidereal school by name. Lahiri when omitted. Equivalent to ayanamsaId; send either. |
| `chart1.cosmogram` | boolean | no |  |
| `chart2` | object | yes |  |
| `chart2.date` | string | yes |  |
| `chart2.time` | string | yes |  |
| `chart2.timezoneOffset` | number | no | Hours from UTC at the given moment, not minutes. Fractional zones are hours too: 5.5 for India, 5.75 for Nepal, -3.5 for Newfoundland. Defaults to 0, meaning UTC. Ignored when timezone is sent. |
| `chart2.timezone` | string | no | IANA zone name such as Europe/Kyiv, or auto to look the zone up from latitude and longitude. The server takes the offset that zone kept at this local date and time, summer time included, and uses it in place of timezoneOffset. A clock time that happened twice takes the first occurrence; one skipped when clocks went forward takes the offset from before the change. Abbreviations such as EST are refused. Before 1970 the tz database is not reliable for every place, so send timezoneOffset when the local clock is known. |
| `chart2.latitude` | number | yes |  |
| `chart2.longitude` | number | yes |  |
| `chart2.houseSystem` | "P" \| "K" \| "R" \| "C" \| "E" \| "W" \| "B" \| "M" \| … | no |  |
| `chart2.name` | string | no |  |
| `chart2.city` | string | no |  |
| `chart2.zodiacType` | "tropical" \| "sidereal" | no |  |
| `chart2.ayanamsaId` | number | no |  |
| `chart2.ayanamsa` | "fagan-bradley" \| "lahiri" \| "de-luce" \| "raman" \| "krishnamurti" \| "kp" \| "yukteshwar" \| "jn-bhasin" \| … | no | Sidereal school by name. Lahiri when omitted. Equivalent to ayanamsaId; send either. |
| `chart2.cosmogram` | boolean | no |  |
| `mangalSchool` | "strict" \| "north" \| "south" | no | Houses and reference points for Kuja dosha. south (default): 1, 2, 4, 7, 8, 12 from Lagna, Moon and Venus. north: the same houses from Lagna and Moon. strict: 1, 4, 7, 8, 12 from Lagna only. |

```json
{
  "chart1": {
    "date": "1990-05-15",
    "time": "15:30:00",
    "timezone": "Europe/Kyiv",
    "latitude": 50.45,
    "longitude": 30.52
  },
  "chart2": {
    "date": "1985-11-03",
    "time": "09:15:00",
    "timezone": "Europe/Kyiv",
    "latitude": 48.46,
    "longitude": 35.04
  }
}
```

## Responses

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

### Success fields, under `data`

| Field | Type | Required | Description |
|---|---|---|---|
| `method` | string | no |  |
| `mangalSchool` | string | no |  |
| `mangal` | object | no |  |
| `mangal.school` | string | no |  |
| `mangal.verdict` | string | no |  |
| `mangal.groom` | object | no |  |
| `mangal.bride` | object | no |  |
| `mangal.pairRules` | object[] | no |  |
| `mangal.note` | string | no |  |
| `nadi` | object | no |  |
| `nadi.present` | boolean | no |  |
| `nadi.groomNadi` | string | no |  |
| `nadi.brideNadi` | string | no |  |
| `nadi.groomStar` | string | no |  |
| `nadi.brideStar` | string | no |  |
| `nadi.navamsaMoon` | object | no |  |
| `nadi.cancelled` | boolean | no |  |
| `nadi.cancelledBy` | object[] | no |  |
| `bhakoot` | object | no |  |
| `bhakoot.present` | boolean | no |  |
| `bhakoot.type` | string | no |  |
| `bhakoot.groomSign` | string | no |  |
| `bhakoot.brideSign` | string | no |  |
| `bhakoot.cancelled` | boolean | no |  |
| `bhakoot.cancelledBy` | object[] | no |  |
| `uncancelled` | object[] | no |  |

## Example

```bash
curl -X POST https://api.astroway.info/v1/vedic/compatibility/dosha-cancellation \
  -H "X-Api-Key: aw_live_..." \
  -H "Content-Type: application/json" \
  -d '{ "chart1": { "date": "1990-05-15", "time": "15:30:00", "timezone": "Europe/Kyiv", "latitude": 50.45, "longitude": 30.52 }, "chart2": { "date": "1985-11-03", "time": "09:15:00", "timezone": "Europe/Kyiv", "latitude": 48.46, "longitude": 35.04 } }'
```

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