API reference

SaveFormDraft

Save a form's draft content. Write access, forms toolset, MCP tool save_form_draft. Part of the MISSIN public API: call it with an API key, or from an AI tool…

Access: Write

Variables

Variable	Type	Required	Accepts	Description
`input`	`SaveFormDraftInput!`	yes	Input object, below

Input types

SaveFormDraftInput

Field	Type	Required	Accepts	Description
`formId`	`UUID!`	yes
`payload`	`JSON!`	yes	Any JSON value	The BuilderModel the editor holds.

Call it

bash

curl https://api.missin.co.uk/graphql/v1 \
  -H "Authorization: Bearer $MISSIN_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"operationName":"SaveFormDraft","variables":{"input":{"formId":"00000000-0000-0000-0000-000000000000","payload":"…"}},"extensions":{"persistedQuery":{"version":1,"sha256Hash":"0a9116dbed9232aa90368f30dd41f2e07450fd04b6619dc0694f094ca8f2dae1"}}}'

Document

graphql

mutation SaveFormDraft($input: SaveFormDraftInput!) { __typename saveFormDraft(input: $input) { __typename changed formId snapshotId userErrors { __typename code field message } } }