Upsert Row

Insert a row or replace the row matching a selected unique column. On replacement, omitted columns are cleared; send the complete row. Use Update Row for a partial patch.

OAuth scope: api:write.

POST/api/v2/tables/{tableId}/rows/upsert
X-API-Key<token>

Your Sim API key, personal or workspace-scoped. Generate one under Settings, then API Keys. Operations that reject workspace keys say so in their own description.

In: header

Path Parameters

tableId*string

Unique table identifier.

Length1 <= length

Request Body

application/json

Workspace scope, row data, and optional unique-column conflict target.

TypeScript Definitions

Use the request body type in TypeScript.

Response Body

application/json

application/json

application/json

application/json

application/json

application/json

application/json

application/json

application/json

application/json

application/json

curl -X POST "https://www.sim.ai/api/v2/tables/string/rows/upsert" \  -H "X-API-Key: YOUR_API_KEY" \  -H "Content-Type: application/json" \  -d '{    "workspaceId": "a91c4b2e-6d3f-4e8a-b5c7-0d9e2f1a8c64",    "data": {      "email": "jane@example.com",      "status": "active"    },    "conflictTarget": "email"  }'
{
  "data": {
    "row": {
      "id": "string",
      "data": {
        "email": "jane@example.com",
        "name": "Jane Doe",
        "age": 30
      },
      "runState": {
        "property1": {
          "status": "string",
          "executionId": "string",
          "workflowId": "string",
          "error": "string",
          "runningBlockIds": [
            "string"
          ],
          "blockErrors": {
            "property1": "string",
            "property2": "string"
          },
          "canceledAt": "2019-08-24T14:15:22Z"
        },
        "property2": {
          "status": "string",
          "executionId": "string",
          "workflowId": "string",
          "error": "string",
          "runningBlockIds": [
            "string"
          ],
          "blockErrors": {
            "property1": "string",
            "property2": "string"
          },
          "canceledAt": "2019-08-24T14:15:22Z"
        }
      },
      "createdAt": "2019-08-24T14:15:22Z",
      "updatedAt": "2019-08-24T14:15:22Z"
    },
    "operation": "insert"
  }
}
{
  "error": {
    "code": "BAD_REQUEST",
    "message": "Invalid request"
  }
}
{
  "error": {
    "code": "UNAUTHORIZED",
    "message": "Authentication required"
  }
}
{
  "error": {
    "code": "FORBIDDEN",
    "message": "Insufficient workspace permissions",
    "details": {
      "code": "INSUFFICIENT_WORKSPACE_ROLE"
    }
  }
}
{
  "error": {
    "code": "NOT_FOUND",
    "message": "Not found"
  }
}
{
  "error": {
    "code": "PAYLOAD_TOO_LARGE",
    "message": "Request body is too large"
  }
}
{
  "error": {
    "code": "UNSUPPORTED_MEDIA_TYPE",
    "message": "Request body must be sent as application/json"
  }
}
{
  "error": {
    "code": "LOCKED",
    "message": "This table is insert-locked: new rows cannot be added.",
    "details": {
      "lock": "insert"
    }
  }
}
{
  "error": {
    "code": "RATE_LIMITED",
    "message": "API rate limit exceeded",
    "details": {
      "retryAfter": "2026-01-01T00:00:30.000Z"
    }
  }
}
{
  "error": {
    "code": "INTERNAL_ERROR",
    "message": "Internal server error"
  }
}
{
  "error": {
    "code": "SERVICE_UNAVAILABLE",
    "message": "Service temporarily unavailable"
  }
}