API reference

PreviewCampaignMerge

Preview merging two campaigns: counts of what would move. Writes nothing. Write access, campaigns toolset, MCP tool preview_campaign_merge.

Access: Write

Variables

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

Call it

bash

curl https://api.missin.co.uk/graphql/v1 \
  -H "Authorization: Bearer $MISSIN_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"operationName":"PreviewCampaignMerge","variables":{"loserId":"00000000-0000-0000-0000-000000000000","winnerId":"00000000-0000-0000-0000-000000000000"},"extensions":{"persistedQuery":{"version":1,"sha256Hash":"ad40e946858e0f6e6634a51bf4278e554679d15498b098526cbc754f94259e57"}}}'

Document

graphql

mutation PreviewCampaignMerge($loserId: UUID!, $winnerId: UUID!) { __typename previewCampaignMerge(input: {winnerId: $winnerId, loserId: $loserId}) { __typename moved { __typename channels discounts incentives notes partners postRuns posts providerRecords sends signals } spendConverted userErrors { __typename code field message } } }