Add CRDT Data

POST /v2/crdt/add

Add CRDT Data

cURL

curl --request POST \
  --url https://api.velt.dev/v2/crdt/add \
  --header 'Content-Type: application/json' \
  --header 'x-velt-api-key: <x-velt-api-key>' \
  --header 'x-velt-auth-token: <x-velt-auth-token>' \
  --data '
{
  "data": {
    "organizationId": "<string>",
    "documentId": "<string>",
    "editorId": "<string>",
    "data": {},
    "type": "<string>",
    "contentKey": "<string>"
  }
}
'

{
  "result": {
    "status": "success",
    "message": "CRDT data added successfully."
  }
}

Use this API to create new CRDT editor data on the backend. Use it with the Multiplayer Editing (Yjs) feature.

Endpoint

POST https://api.velt.dev/v2/crdt/add

Headers

x-velt-api-key · string · required

Your API key.

x-velt-auth-token · string · required

Your Auth Token.

Body Parameters

data · object · required

Show properties

organizationId · string · required

Organization ID where the document belongs

documentId · string · required

Document ID containing the CRDT editor data

editorId · string · required

Unique identifier for the specific CRDT editor instance

data · string | object | array · required

The CRDT content to store. Must match the specified type: string for text/xml, object for map, array for array.

type · string · required

The CRDT data type. One of: text, map, array, xml.

contentKey · string

Yjs content key name. Defaults to content. Use default for TipTap.

Example Requests

Text (e.g., CodeMirror):

{
  "data": {
    "organizationId": "YOUR_ORGANIZATION_ID",
    "documentId": "YOUR_DOCUMENT_ID",
    "editorId": "my-collab-note",
    "data": "Hello, collaborative world!",
    "type": "text"
  }
}

Map (e.g., ReactFlow):

{
  "data": {
    "organizationId": "YOUR_ORGANIZATION_ID",
    "documentId": "YOUR_DOCUMENT_ID",
    "editorId": "my-flow-editor",
    "data": { "nodes": {}, "edges": {} },
    "type": "map"
  }
}

Array:

{
  "data": {
    "organizationId": "YOUR_ORGANIZATION_ID",
    "documentId": "YOUR_DOCUMENT_ID",
    "editorId": "my-list-editor",
    "data": [{ "id": "1", "text": "Item 1" }, { "id": "2", "text": "Item 2" }],
    "type": "array"
  }
}

XML (e.g., TipTap):

{
  "data": {
    "organizationId": "YOUR_ORGANIZATION_ID",
    "documentId": "YOUR_DOCUMENT_ID",
    "editorId": "my-rich-text-editor",
    "data": "<paragraph>Hello World</paragraph>",
    "type": "xml",
    "contentKey": "default"
  }
}

Response

Success Response

{
  "result": {
    "status": "success",
    "message": "CRDT data added successfully."
  }
}

Error Responses

CRDT data already exists for the given editor ID:

{
  "error": {
    "message": "CRDT data already exists for this editor ID.",
    "status": "ALREADY_EXISTS"
  }
}

Invalid arguments:

{
  "error": {
    "message": "Editor ID is required.",
    "status": "INVALID_ARGUMENT"
  }
}

{
  "result": {
    "status": "success",
    "message": "CRDT data added successfully."
  }
}