Using n8n , Add Http previous node response to newer

[AnasSandiya]

How to add a previous http node response to new http node request?

[n8n]

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[Yo_its_prakash]

To add a previous HTTP node response to a new HTTP request:

1. In your new HTTP Request node, use expressions to reference the previous node’s data:

• For body data:

Body Type: JSON
JSON Body: {{$node["Previous HTTP Node"].json}}

• For specific fields:

text

{"key": "{{$node["Previous HTTP Node"].json.specificField}}"}

• For query parameters:

Add Parameter:
  Name: paramName
  Value: {{$node["Previous HTTP Node"].json.paramValue}}

• For headers:

Add Header:
  Name: X-Custom-Header
  Value: {{$node["Previous HTTP Node"].json.headerValue}}

Adjust the field names and structure based on your specific previous HTTP response.

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[AnasSandiya]

One more thing, I have 4 http tool nodes which are connected with AI agent and 3 of the http request tool nodes responses will be in add to the 4th json body.

Image attached for better understanding,

Josn body of 4th node:
{
“TxnDate”: “{txn_date}”,
“DueDate”: “{due_date}”,
“SalesTermRef”: {
“value”: “{{ $(“term_detail_from_quickbook”).isExecuted ? $node[“term_detail_from_quickbook”].json.QueryResponse?.Term[0]?.Id : “”}}”,
“name”: “{{ $(“term_detail_from_quickbook”).isExecuted ? $node[“term_detail_from_quickbook”].json.QueryResponse?.Term[0]?.Name : ‘’ }}”
},
“ApplyTaxAfterDiscount”:{tax_included == “YES” ? true : false},
“Line”: [
{
“DetailType”: “SalesItemLineDetail”,
“Amount”: {amount},
“SalesItemLineDetail”: {
“ServiceDate”: “{service_date}”,
“ItemRef”: {
“name”: “{{ $(“item_detail_from_quickbook”).isExecuted ? $node[“item_detail_from_quickbook”].json?.QueryResponse?.Item[0]?.Name : ‘’ }}”,
“value”: “{{ $(“item_detail_from_quickbook”).isExecuted ? $node[“item_detail_from_quickbook”].json?.QueryResponse?.Item[0]?.Id : ‘’ }}”
},
“Qty”: “{quantity}”,
“UnitPrice”: {rate}
}
}
],
“CustomField”: [
{
“DefinitionId”: “1”,
“Name”: “TRN”,
“Type”: “StringType”,
“StringValue”: “001-726-455”
}
],
“CustomerRef”: {
“value”: “{{ $(“customer_detail_from_quickbook”).isExecuted ? $node[“customer_detail_from_quickbook”].json?.QueryResponse?.Customer[0]?.Id : ‘’ }}”
}
}

[Yo_its_prakash]

1. Do you need to preserve all data from previous calls or just specific fields?

[AnasSandiya]

Just specific field

[Yo_its_prakash]

I think this should solve your problem of just sending one data to the AI Agent,

How to pull the response from HTTP Request Node POST response to another node/module

if you just need a part of the response to be sent to the agent, the quckest and easiest option would be setup a sub workflow do the HTTP thing, put a edit field node, then only pass that to next step, and call the sub workflow to the agent

If my solution helped you, please consider marking it as the answer! A like would brighten my day if you found it useful!