# PreviewPartnerMerge

> Preview merging two partners: what would move and what conflicts. Read access, partners toolset, MCP tool preview_partner_merge.

**Access:** [Read](https://developer.missin.co.uk/get-started/authentication.md#access-levels)

## Variables

| Variable | Type | Required | Accepts | Description |
|---|---|---|---|---|
| `loserId` | `UUID!` | yes |  |  |
| `winnerId` | `UUID!` | yes |  |  |

## Call it

```bash curl
curl https://api.missin.co.uk/graphql/v1 \
  -H "Authorization: Bearer $MISSIN_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"operationName":"PreviewPartnerMerge","variables":{"loserId":"00000000-0000-0000-0000-000000000000","winnerId":"00000000-0000-0000-0000-000000000000"},"extensions":{"persistedQuery":{"version":1,"sha256Hash":"6d4b3a5fbeaf27830a81c5b83ddc065d54298318b28b9ff7a07cfdcdfed8702c"}}}'
```

## Document

```graphql
query PreviewPartnerMerge($loserId: UUID!, $winnerId: UUID!) { __typename previewPartnerMerge(winnerId: $winnerId, loserId: $loserId) { __typename conflicts { __typename current { __typename code id redemptions } incoming { __typename code id redemptions } tier } moved { __typename answers campaigns channels discounts handles handlesDropped hashtags notes partnerTypes posts questionOptions responses watermarks } userErrors { __typename code field message } } }
```

Source: https://developer.missin.co.uk/reference/partners/preview-partner-merge