Update a column by name and return the complete schema. Renames update rows, views, and workflow-group references keyed by column ID. Workflow Table blocks keep their authored filter, order, and data JSON unchanged. Bound blocks still referencing the old name appear in unmigrated; edit them with Apply Workflow Operations to prevent failures on their next run.
OAuth scope: api:write.
/api/v2/tables/{tableId}/columnsYour 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
Unique table identifier.
1 <= lengthRequest Body
application/json
Workspace scope, current column name, and fields to update.
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 PATCH "https://www.sim.ai/api/v2/tables/string/columns" \ -H "X-API-Key: YOUR_API_KEY" \ -H "Content-Type: application/json" \ -d '{ "workspaceId": "a91c4b2e-6d3f-4e8a-b5c7-0d9e2f1a8c64", "columnName": "plan", "updates": { "name": "subscriptionPlan" } }'{
"data": {
"columns": [
{
"id": "col_name",
"name": "name",
"type": "string",
"required": true,
"unique": false
},
{
"id": "col_plan",
"name": "subscriptionPlan",
"type": "string",
"required": false,
"unique": false
}
],
"unmigrated": [
{
"workflowId": "3b1f7c92-8d4e-4a6b-9c0d-5e2f8a714b36",
"workflowName": "Weekly digest",
"blockId": "blk_9c1d3f5a7e2b4068a0c2e4f6b8d0f193",
"blockName": "Query plans",
"fields": [
"filter"
]
}
]
}
}{
"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"
}
}