Create Invoice from Estimate
n8n-nodes-base.httpRequest
Converts an accepted estimate into a billable invoice.
💡 Use Cases
- Convert quote to invoice
- Bill accepted estimates
- Automate estimate-to-invoice flow
📚 API Documentation
Reference documentation for this API endpoint:
🔗 https://marketplace.gohighlevel.com/docs/ghl/invoices/create-invoice-from-estimate ↗📋 Node Configuration
{
"nodes": [
{
"parameters": {
"content": "## 📄➡️📧 Create Invoice from Estimate\n\n**Usage:**\nConverts an accepted estimate into a billable invoice.\n\n**Required Input:**\n- `estimateId`: Estimate ID to convert\n\n**Optional Fields:**\n- `dueDate`: Override invoice due date\n- `sendImmediately`: Send invoice to customer (boolean)\n- `notes`: Additional invoice notes\n\n**Setup:**\n1. Configure GoHighLevel OAuth2 or HTTP Header Auth with \"invoices.write\" permission\n2. Pass estimateId to convert to invoice\n3. Estimate status should be accepted\n4. Node creates invoice and returns invoice ID\n\n**Output:**\nReturns created invoice object with ID\n\n**Credential Setup (HTTP Header Auth):**\n1. In n8n, go to Credentials → Add Credential\n2. Select \"Header Auth\"\n3. Set Name: `Authorization`\n4. Set Value: `Bearer YOUR_ACCESS_TOKEN`\n5. Get your token from GHL Settings → Integrations → Private Integrations",
"height": 238,
"width": 389,
"color": 4
},
"type": "n8n-nodes-base.stickyNote",
"position": [
96,
332
],
"typeVersion": 1,
"id": "sticky-ghl-create-invoice-from-estimate",
"name": "Sticky Note"
},
{
"parameters": {
"method": "POST",
"url": "=https://services.leadconnectorhq.com/invoices/estimate/{{ $json.estimateId }}/invoice",
"authentication": "genericCredentialType",
"genericAuthType": "httpHeaderAuth",
"sendHeaders": true,
"headerParameters": {
"parameters": [
{
"name": "Version",
"value": "2021-07-28"
},
{
"name": "Content-Type",
"value": "application/json"
}
]
},
"sendBody": true,
"specifyBody": "json",
"jsonBody": "={{ $json.invoiceOptions || {} }}",
"options": {}
},
"id": "ghl-api-create-invoice-from-estimate-001",
"name": "GHL Create Invoice from Estimate",
"type": "n8n-nodes-base.httpRequest",
"typeVersion": 4.1,
"position": [
368,
400
],
"credentials": {
"httpHeaderAuth": {
"id": "GHL_Private_Token",
"name": "GoHighLevel OAuth2 API"
}
}
}
],
"connections": {},
"pinData": {},
"meta": {
"templateCredsSetupCompleted": true,
"instanceId": "751aeba95f3d1aebe5a6ebe9d20293dd6c0f61b00ef369c580f0dc54913f5fcb"
}
}
[
{
"id": "1fd1133b-1279-442a-ab5c-c9fbdac9c026",
"meta": {
"name": "API Call Node",
"id": "api-call",
"icon": {
"svg": "
{
"subflows": [
{
"flow": [
{
"id": 212,
"module": "http:ActionSendDataBasicAuth",
"version": 3,
"parameters": {
"key": "ANONYMIZED_CREDENTIALS",
"handleErrors": false,
"useNewZLibDeCompress": true
},
"mapper": {
"ca": "",
"qs": [],
"url": "https://services.leadconnectorhq.com/invoices/estimate/{{1.estimateId}}/invoice",
"data": "{{ $json.invoiceOptions || {} }}",
"gzip": true,
"method": "post",
"headers": [
{
"name": "Version",
"value": "2021-07-28"
},
{
"name": "Content-Type",
"value": "application/json"
},
{
"name": "Authorization",
"value": "Bearer {{ANONYMIZED_TOKEN}}"
}
],
"timeout": "",
"useMtls": false,
"bodyType": "raw",
"contentType": "application/json",
"serializeUrl": false,
"shareCookies": false,
"parseResponse": true,
"followRedirect": true,
"useQuerystring": false,
"followAllRedirects": false,
"rejectUnauthorized": true
},
"metadata": {
"designer": {
"x": 300,
"y": 300,
"name": "Create Invoice from Estimate"
},
"restore": {
"expect": {
"qs": {
"mode": "chose",
"items": []
},
"method": {
"mode": "chose",
"label": "POST"
},
"headers": {
"mode": "chose",
"items": [
null,
null,
null
]
},
"bodyType": {
"label": "Raw"
},
"contentType": {
"label": "JSON (application/json)"
}
},
"parameters": {
"key": {
"label": "ANONYMIZED_CREDENTIALS"
}
}
},
"parameters": [
{
"name": "key",
"type": "keychain:basicauth",
"label": "Credentials",
"required": true
},
{
"name": "handleErrors",
"type": "boolean",
"label": "Evaluate all states as errors (except for 2xx and 3xx )",
"required": true
},
{
"name": "useNewZLibDeCompress",
"type": "hidden"
}
],
"expect": [
{
"name": "url",
"type": "url",
"label": "URL",
"required": true
},
{
"name": "serializeUrl",
"type": "boolean",
"label": "Serialize URL",
"required": true
},
{
"name": "method",
"type": "select",
"label": "Method",
"required": true,
"validate": {
"enum": [
"get",
"head",
"post",
"put",
"patch",
"delete",
"options"
]
}
},
{
"name": "headers",
"spec": [
{
"name": "name",
"type": "text",
"label": "Name",
"required": true
},
{
"name": "value",
"type": "text",
"label": "Value"
}
],
"type": "array",
"label": "Headers"
},
{
"name": "qs",
"spec": [
{
"name": "name",
"type": "text",
"label": "Name",
"required": true
},
{
"name": "value",
"type": "text",
"label": "Value"
}
],
"type": "array",
"label": "Query String"
},
{
"name": "bodyType",
"type": "select",
"label": "Body type",
"validate": {
"enum": [
"raw",
"x_www_form_urlencoded",
"multipart_form_data"
]
}
},
{
"name": "parseResponse",
"type": "boolean",
"label": "Parse response",
"required": true
},
{
"name": "contentType",
"type": "select",
"label": "Content type",
"validate": {
"enum": [
"text/plain",
"application/json",
"application/xml",
"text/xml",
"text/html",
"custom"
]
}
},
{
"name": "data",
"type": "buffer",
"label": "Request content"
}
]
}
}
]
}
],
"metadata": {
"version": 1
}
}