Describe the problem/error/question
I reach this stage: Hands-on Exercise: Building an API Integration Pipeline Step 2.5: Send enterprise orders to priority queue. After execute the entire workflow, below error came out.
What is the error message (if any)?
Your request is invalid or could not be processed by the service [item 0]
Invalid order_id. Please ensure you are sending the correct order_id
Please share your workflow
(Select the nodes on your canvas and use the keyboard shortcuts CMD+C/CTRL+C and CMD+V/CTRL+V to copy and paste the workflow.)
{
"nodes": [
{
"parameters": {},
"type": "n8n-nodes-base.manualTrigger",
"typeVersion": 1,
"position": [
-32,
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],
"id": "fee606ca-797e-47d8-af47-b655ffdc8fe1",
"name": "TriggerManual"
},
{
"parameters": {
"url": "https://learn.app.n8n.cloud/webhook/course/n8n102/orders",
"authentication": "genericCredentialType",
"genericAuthType": "httpHeaderAuth",
"sendHeaders": true,
"headerParameters": {
"parameters": [
{
"name": "X-Assessment-ID",
"value": "1d6f2263fd81b44480a5486782c87be0"
}
]
},
"options": {
"pagination": {
"pagination": {
"parameters": {
"parameters": [
{
"name": "page",
"value": "={{ $pageCount + 1 }}"
}
]
}
}
}
}
},
"type": "n8n-nodes-base.httpRequest",
"typeVersion": 4.4,
"position": [
208,
0
],
"id": "f46e1a0c-072f-487b-ae64-de7188cb4bc4",
"name": "GetOrders",
"credentials": {
"httpHeaderAuth": {
"id": "IZ1z1MYLBwpoKx2J",
"name": "n8n Academy API Key"
}
}
},
{
"parameters": {
"url": "https://learn.app.n8n.cloud/webhook/course/n8n102/customers",
"authentication": "genericCredentialType",
"genericAuthType": "httpHeaderAuth",
"sendHeaders": true,
"headerParameters": {
"parameters": [
{
"name": "X-Assessment-ID",
"value": "1d6f2263fd81b44480a5486782c87be0"
}
]
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"options": {}
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"type": "n8n-nodes-base.httpRequest",
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"position": [
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"id": "7e000a51-f7f0-4e57-b93b-8f858f077833",
"name": "GetCustomers",
"credentials": {
"httpHeaderAuth": {
"id": "IZ1z1MYLBwpoKx2J",
"name": "n8n Academy API Key"
}
}
},
{
"parameters": {
"mode": "combine",
"fieldsToMatchString": "customer_id",
"joinMode": "enrichInput1",
"options": {}
},
"type": "n8n-nodes-base.merge",
"typeVersion": 3.2,
"position": [
432,
112
],
"id": "c09f91fd-fd86-414e-a24f-5e56aa38d9c2",
"name": "MergeOrdersCustomers"
},
{
"parameters": {
"aggregate": "aggregateAllItemData",
"destinationFieldName": "enriched_orders",
"options": {}
},
"type": "n8n-nodes-base.aggregate",
"typeVersion": 1,
"position": [
640,
112
],
"id": "47ffb582-3bbc-40af-97af-d8c4546c2d6e",
"name": "AggregateOrders"
},
{
"parameters": {
"method": "POST",
"url": "https://learn.app.n8n.cloud/webhook/course/n8n102/orders-queue",
"authentication": "genericCredentialType",
"genericAuthType": "httpHeaderAuth",
"sendHeaders": true,
"headerParameters": {
"parameters": [
{
"name": "X-Assessment-ID",
"value": "1d6f2263fd81b44480a5486782c87be0"
}
]
},
"sendBody": true,
"bodyParameters": {
"parameters": [
{
"name": "enriched_orders",
"value": "={{ $json.enriched_orders }}"
}
]
},
"options": {}
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"type": "n8n-nodes-base.httpRequest",
"typeVersion": 4.4,
"position": [
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],
"id": "d80c1831-d69a-42da-bc3a-7e646393475d",
"name": "SendToOrdersQueue",
"credentials": {
"httpHeaderAuth": {
"id": "IZ1z1MYLBwpoKx2J",
"name": "n8n Academy API Key"
}
}
},
{
"parameters": {
"conditions": {
"options": {
"caseSensitive": true,
"leftValue": "",
"typeValidation": "strict",
"version": 3
},
"conditions": [
{
"id": "d9ae70e7-274b-47c6-a87d-5469702d4b8a",
"leftValue": "={{ $json.subscription }}",
"rightValue": "Enterprise",
"operator": {
"type": "string",
"operation": "equals",
"name": "filter.operator.equals"
}
}
],
"combinator": "and"
},
"options": {}
},
"type": "n8n-nodes-base.if",
"typeVersion": 2.3,
"position": [
624,
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],
"id": "1c1e831c-ebb1-45d9-b560-acfea9bc2cbf",
"name": "CheckSubscriptionTier"
},
{
"parameters": {
"rules": {
"values": [
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"conditions": {
"options": {
"caseSensitive": true,
"leftValue": "",
"typeValidation": "strict",
"version": 3
},
"conditions": [
{
"leftValue": "={{ $json.region }}",
"rightValue": "north",
"operator": {
"type": "string",
"operation": "equals"
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"id": "13963a78-1120-4e9e-bcc2-6485b63107ab"
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"combinator": "and"
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"renameOutput": true,
"outputKey": "North"
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{
"conditions": {
"options": {
"caseSensitive": true,
"leftValue": "",
"typeValidation": "strict",
"version": 3
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"conditions": [
{
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"leftValue": "={{ $json.region }}",
"rightValue": "south",
"operator": {
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"operation": "equals",
"name": "filter.operator.equals"
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"combinator": "and"
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"renameOutput": true,
"outputKey": "South"
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{
"conditions": {
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"conditions": [
{
"id": "cfa065fc-5a61-40b9-a7b9-6a348dcdbd75",
"leftValue": "={{ $json.region }}",
"rightValue": "east",
"operator": {
"type": "string",
"operation": "equals",
"name": "filter.operator.equals"
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"renameOutput": true,
"outputKey": "East"
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{
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"leftValue": "={{ $json.region }}",
"rightValue": "west",
"operator": {
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"operation": "equals",
"name": "filter.operator.equals"
}
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"renameOutput": true,
"outputKey": "West"
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"options": {
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"id": "e2ecffd6-dcd7-4625-9abd-8400e0fd75a2",
"name": "RouteByRegion"
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{
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"caseSensitive": true,
"leftValue": "",
"typeValidation": "strict",
"version": 3
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"conditions": [
{
"id": "1a49d28e-2cf9-4ea4-a355-c85a6f146ae0",
"leftValue": "={{ $json.status }}",
"rightValue": "delivered",
"operator": {
"type": "string",
"operation": "notEquals"
}
}
],
"combinator": "and"
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"options": {}
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"type": "n8n-nodes-base.filter",
"typeVersion": 2.3,
"position": [
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"id": "606971a9-c796-4cb8-8ffc-af10dfbce473",
"name": "FilterDelivered"
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{
"parameters": {
"method": "POST",
"url": "https://learn.app.n8n.cloud/webhook/course/n8n102/priority-queue",
"authentication": "genericCredentialType",
"genericAuthType": "httpHeaderAuth",
"sendHeaders": true,
"headerParameters": {
"parameters": [
{
"name": "X-Assessment-ID",
"value": "1d6f2263fd81b44480a5486782c87be0"
}
]
},
"sendBody": true,
"bodyParameters": {
"parameters": [
{
"name": "order_id",
"value": "={{ $json.order_id }}"
},
{
"name": "customer_id",
"value": "={{ $json.customer_id }}"
},
{
"name": "company_name",
"value": "={{ $json.customer_name }}"
},
{
"name": "subscription",
"value": "={{ $json.subscription }}"
}
]
},
"options": {}
},
"type": "n8n-nodes-base.httpRequest",
"typeVersion": 4.4,
"position": [
1328,
320
],
"id": "02e77179-3856-4454-88dc-c391ae6ebcde",
"name": "SendToPriorityQueue",
"credentials": {
"httpHeaderAuth": {
"id": "IZ1z1MYLBwpoKx2J",
"name": "n8n Academy API Key"
}
}
}
],
"connections": {
"TriggerManual": {
"main": [
[
{
"node": "GetOrders",
"type": "main",
"index": 0
},
{
"node": "GetCustomers",
"type": "main",
"index": 0
}
]
]
},
"GetOrders": {
"main": [
[
{
"node": "MergeOrdersCustomers",
"type": "main",
"index": 0
}
]
]
},
"GetCustomers": {
"main": [
[
{
"node": "MergeOrdersCustomers",
"type": "main",
"index": 1
}
]
]
},
"MergeOrdersCustomers": {
"main": [
[
{
"node": "AggregateOrders",
"type": "main",
"index": 0
},
{
"node": "CheckSubscriptionTier",
"type": "main",
"index": 0
}
]
]
},
"AggregateOrders": {
"main": [
[
{
"node": "SendToOrdersQueue",
"type": "main",
"index": 0
}
]
]
},
"SendToOrdersQueue": {
"main": [
[]
]
},
"CheckSubscriptionTier": {
"main": [
[
{
"node": "FilterDelivered",
"type": "main",
"index": 0
}
],
[
{
"node": "RouteByRegion",
"type": "main",
"index": 0
}
]
]
},
"FilterDelivered": {
"main": [
[
{
"node": "SendToPriorityQueue",
"type": "main",
"index": 0
}
]
]
}
},
"pinData": {},
"meta": {
"instanceId": "bed2988fb684ee16b2cfbdee45dcd5e341307ecfd375cd84c432f4ed9cece2d3"
}
}
Share the output returned by the last node
Error code
422
Full message
422 - "{\"error\":\"Invalid order_id. Please ensure you are sending the correct order_id\"}"
Request
{ "body": { "order_id": "ORD-037", "customer_id": "CUST-007", "company_name": "Summit Enterprises", "subscription": "Enterprise" }, "headers": { "x-assessment-id": "1d6f2263fd81b44480a5486782c87be0", "**hidden**": "**hidden**", "accept": "application/json,text/html,application/xhtml+xml,application/xml,text/*;q=0.9, image/*;q=0.8, */*;q=0.7" }, "method": "POST", "uri": "https://learn.app.n8n.cloud/webhook/course/n8n102/priority-queue", "gzip": true, "rejectUnauthorized": true, "followRedirect": true, "resolveWithFullResponse": true, "sendCredentialsOnCrossOriginRedirect": false, "followAllRedirects": true, "timeout": 300000, "encoding": null, "json": false, "useStream": true }
Information on your n8n setup
-
- n8n version: 2.15.0
- Database: SQLite (default)
- EXECUTIONS_PROCESS setting: main
- Running n8n via: Docker (on Zeabur)
- Operating system: Linux (Ubuntu 24, Zeabur hosted)
