Hello! Looks like I can’t pass variables values and use them in case I run pipeline as a REST service.
I have a simple test workflow with template variable input:
the filter condition is the following:
I’m trying to run pipeline via API, pass the variable value, but looks it still uses the default one. Either it is a bug, or the variables should be passed somehow differently.
The request details:
curl -X ‘POST’ \
‘https://api.hub.knime.com/deployments/rest:1f79f491-1f83-49be-874a-68ca0aa8c4b8/execution?reset=false&timeout=-1’ \
-H ‘accept: application/vnd.mason+json’ \
-H ‘Content-Type: application/json’ \
-d ‘{
“table-input”: {
“table-data”: [
[
“X0273T21000100001”,
53,
“F”,
“Caucasian”,
“Indigestion”,
160.484,
73.2,
“53 C F”,
“false”,
“09/11/1990 00:00:00.000”,
“None”
],
[
“X0273T21000100002”,
40,
“F”,
“Caucasian”,
“Indigestion”,
163.646,
93,
“40 C F”,
“true”,
“04/03/1991 00:00:00.000”,
“None”
],
[
“X0273T21000200001”,
50,
“F”,
“Caucasian”,
“Indigestion”,
158.027,
62.7,
“50 C F”,
“true”,
“05/15/1990 00:00:00.000”,
“High”
],
[
“X0273T21000200002”,
30,
“F”,
“Other”,
“Indigestion”,
158.419,
64.5,
“30 O F”,
“true”,
“02/24/1991 00:00:00.000”,
“None”
],
[
“X0273T21000300001”,
50,
“F”,
“Caucasian”,
“Indigestion”,
161.695,
67.6,
“50 C F”,
“false”,
“03/05/1991 00:00:00.000”,
“None”
],
[
“X0273T21000300002”,
43,
“M”,
“Caucasian”,
“Indigestion”,
188.234,
91,
“43 C M”,
“false”,
“05/23/1991 00:00:00.000”,
“None”
],
[
“X0273T21000300003”,
26,
“F”,
“Caucasian”,
“Indigestion”,
174.705,
74.1,
“26 C F”,
“false”,
“08/02/1990 00:00:00.000”,
“High”
],
[
“X0273T21000300004”,
47,
“M”,
“Caucasian”,
“Indigestion”,
175.228,
85.1,
“47 C M”,
“true”,
“01/21/1990 00:00:00.000”,
“None”
],
[
“X0273T21000300005”,
30,
“F”,
“Other”,
“Indigestion”,
150.288,
64,
“30 O F”,
“false”,
“02/18/1991 00:00:00.000”,
“High”
],
[
“X0273T21000300006”,
32,
“M”,
“Caucasian”,
“Indigestion”,
180.298,
67,
“32 C M”,
“true”,
“01/14/1991 00:00:00.000”,
“None”
]
],
“table-spec”: [
{
“USUBJID”: “string”
},
{
“AGE”: “int”
},
{
“SEX”: “string”
},
{
“RACE”: “string”
},
{
“DIS_POP”: “string”
},
{
“HEIGHT”: “double”
},
{
“WEIGHT”: “double”
},
{
“DEMOG”: “string”
},
{
“CONTROL”: “string”
},
{
“STARTED”: “string”
},
{
“SEVERITY”: “string”
}
]
},
“variable-input”: {
“race”: “Other”
}
}’
Response body:
{
"id": "9cb56c21-b217-45c7-b4f4-327123056535",
"createdAt": "2026-03-19T10:17:09.567Z[GMT]",
"name": "Test_passing_variables_REST_service 2026-03-19 10.17.09",
"creator": "account:app-pw:db1c9424-5848-4700-8d25-87fab90ab2a4",
"state": "EXECUTION_FINISHED",
"jobState": "LOADED",
"workflowState": "EXECUTION_FINISHED",
"startedExecutionAt": "2026-03-19T10:17:11.975605Z[Etc/UTC]",
"finishedExecutionAt": "2026-03-19T10:17:12.076831Z[Etc/UTC]",
"deploymentId": "rest:1f79f491-1f83-49be-874a-68ca0aa8c4b8",
"nodeMessages": [
{
"node": "Container Input (Variable) 3:1:5",
"messageType": "WARNING",
"message": "Default variables are output"
}
],
"type": "execution",
"scope": "account:team:5206ad8a-2ed0-48b9-8a02-b4ab6325915e",
"creatorName": "mardol PRO",
"initiatorId": "account:user:ee1307af-c776-43ae-9a6c-7c3ae6bd2b29",
"initiatorName": "mardol",
"isSwapped": false,
"hasReport": false,
"workflow": "/Users/mardol PRO/Data App Examples Space/Test_passing_avriables_REST_service",
"workflowId": "*CS5AxYH8KVU_59xj",
"spaceVersion": "1",
"itemVersion": "1",
"createdVia": "generic client",
"executorID": "b36c92dd-5579-459c-93ff-2b35123a6a0d@001f6c12-9b8a-4e3d-b7c2-9a5e1f0d8c34",
"executorId": "b36c92dd-5579-459c-93ff-2b35123a6a0d@001f6c12-9b8a-4e3d-b7c2-9a5e1f0d8c34",
"executorName": "001f6c12-9b8a-4e3d-b7c2-9a5e1f0d8c34",
"executionContext": "001f6c12-9b8a-4e3d-b7c2-9a5e1f0d8c34",
"discardAfterSuccessfulExec": false,
"discardAfterFailedExec": false,
"errors": [],
"actions": [],
"configuration": {},
"inputParameters": {
"variable-input": {
"race": "Caucasian"
},
"table-input": {
"table-spec": [
{
"USUBJID": "string"
},
{
"AGE": "int"
},
{
"SEX": "string"
},
{
"RACE": "string"
},
{
"DIS_POP": "string"
},
{
"HEIGHT": "double"
},
{
"WEIGHT": "double"
},
{
"DEMOG": "string"
},
{
"CONTROL": "string"
},
{
"STARTED": "string"
},
{
"SEVERITY": "string"
}
],
"table-data": [
[
"X0273T21000100001",
53,
"F",
"Caucasian",
"Indigestion",
160.484,
73.2,
"53 C F",
"false",
"09/11/1990 00:00:00.000",
"None"
],
[
"X0273T21000100002",
40,
"F",
"Caucasian",
"Indigestion",
163.646,
93,
"40 C F",
"true",
"04/03/1991 00:00:00.000",
"None"
],
[
"X0273T21000200001",
50,
"F",
"Caucasian",
"Indigestion",
158.027,
62.7,
"50 C F",
"true",
"05/15/1990 00:00:00.000",
"High"
],
[
"X0273T21000200002",
30,
"F",
"Other",
"Indigestion",
158.419,
64.5,
"30 O F",
"true",
"02/24/1991 00:00:00.000",
"None"
],
[
"X0273T21000300001",
50,
"F",
"Caucasian",
"Indigestion",
161.695,
67.6,
"50 C F",
"false",
"03/05/1991 00:00:00.000",
"None"
],
[
"X0273T21000300002",
43,
"M",
"Caucasian",
"Indigestion",
188.234,
91,
"43 C M",
"false",
"05/23/1991 00:00:00.000",
"None"
],
[
"X0273T21000300003",
26,
"F",
"Caucasian",
"Indigestion",
174.705,
74.1,
"26 C F",
"false",
"08/02/1990 00:00:00.000",
"High"
],
[
"X0273T21000300004",
47,
"M",
"Caucasian",
"Indigestion",
175.228,
85.1,
"47 C M",
"true",
"01/21/1990 00:00:00.000",
"None"
],
[
"X0273T21000300005",
30,
"F",
"Other",
"Indigestion",
150.288,
64,
"30 O F",
"false",
"02/18/1991 00:00:00.000",
"High"
],
[
"X0273T21000300006",
32,
"M",
"Caucasian",
"Indigestion",
180.298,
67,
"32 C M",
"true",
"01/14/1991 00:00:00.000",
"None"
]
]
}
},
"outputValues": {
"table-output": {
"table-spec": [
{
"USUBJID": "string"
},
{
"AGE": "int"
},
{
"SEX": "string"
},
{
"RACE": "string"
},
{
"DIS_POP": "string"
},
{
"HEIGHT": "double"
},
{
"WEIGHT": "double"
},
{
"DEMOG": "string"
},
{
"CONTROL": "string"
},
{
"STARTED": "string"
},
{
"SEVERITY": "string"
}
],
"table-data": [
[
"X0273T21000100001",
53,
"F",
"Caucasian",
"Indigestion",
160.484,
73.2,
"53 C F",
"false",
"09/11/1990 00:00:00.000",
"None"
],
[
"X0273T21000100002",
40,
"F",
"Caucasian",
"Indigestion",
163.646,
93,
"40 C F",
"true",
"04/03/1991 00:00:00.000",
"None"
],
[
"X0273T21000200001",
50,
"F",
"Caucasian",
"Indigestion",
158.027,
62.7,
"50 C F",
"true",
"05/15/1990 00:00:00.000",
"High"
],
[
"X0273T21000300001",
50,
"F",
"Caucasian",
"Indigestion",
161.695,
67.6,
"50 C F",
"false",
"03/05/1991 00:00:00.000",
"None"
],
[
"X0273T21000300002",
43,
"M",
"Caucasian",
"Indigestion",
188.234,
91,
"43 C M",
"false",
"05/23/1991 00:00:00.000",
"None"
],
[
"X0273T21000300003",
26,
"F",
"Caucasian",
"Indigestion",
174.705,
74.1,
"26 C F",
"false",
"08/02/1990 00:00:00.000",
"High"
],
[
"X0273T21000300004",
47,
"M",
"Caucasian",
"Indigestion",
175.228,
85.1,
"47 C M",
"true",
"01/21/1990 00:00:00.000",
"None"
],
[
"X0273T21000300006",
32,
"M",
"Caucasian",
"Indigestion",
180.298,
67,
"32 C M",
"true",
"01/14/1991 00:00:00.000",
"None"
]
]
}
}
}
Thank you in advance for your help!