Webhook

Webhooks are "user-defined HTTP callbacks". For a select DocType, you can create a webhook that triggers on specific document events under certain conditions, if required.

When the doc_event occurs, the source site makes an HTTP request to the URI configured for the webhook. Users can configure these webhooks to use events on one site to invoke behaviour on another.

Configuring a Webhook
To add a Webhook, go to:

Home > Integrations > Webhook > + Add Webhook





Select the DocType for which the Webhook needs to be triggered (e.g. Quotation).
Select the Doc Event that will trigger the Webhook (e.g. on_update).
Optionally, you can set additional document Conditions to trigger Webhooks for specific scenarios.
Enter a valid request URL that will receive the Webhook data.
Select the Request Method. POST is the default method.
Optionally, you can add HTTP headers to the request. (e.g. useful for sending an API key, if required).

You can also disable a webhook by unchecking the Enabled checkbox. Only webhooks that are enabled get triggered.

Data Structure

If your request structure is based on forms, you can select fields from the document in the table, which uses the fieldname as the key.
If your request structure is based on JSON, you can insert fields from the document using jinja templating (make sure to wrap your fields with double-quotes).

Webhook Security

Introduced in Version 13

To optionally add security to your webhook requests and ensure that the webhook is being sent from Frappe, you can set up a "Webhook Secret" along with the request. Do not share the secret publicly.

If enabled, an additional header (X-Frappe-Webhook-Signature) will be added to the request before it's sent out, with its value being generated from the secret as a base64-encoded HMAC-SHA256 hash of the payload.

Example Webhook Request

DocType: Quotation
Doc Event: on_update
Request URL: https://httpbin.org/post
Request Structure: Form URL-Encoded
Webhook Headers:
Key: Content-Type:, Value: application/x-www-form-urlencoded
Webhook Data:
Fieldname: name, Key: id
Fieldname: items, Key: lineItems

The above configuration creates the following JSON request (sent by a Frappe server on Quotation - on_update to https://httpbin.org/post):

{
"args": {},
"data": "{\"lineItems\": [{\"stock_qty\": 1.0, \"base_price_list_rate\": 1.0, \"image\": \"\", \"creation\": \"2017-09-14 13:41:58.373023\", \"base_amount\": 1.0, \"qty\": 1.0, \"margin_rate_or_amount\": 0.0, \"rate\": 1.0, \"owner\": \"Administrator\", \"stock_uom\": \"Unit\", \"base_net_amount\": 1.0, \"page_break\": 0, \"modified_by\": \"Administrator\", \"base_net_rate\": 1.0, \"discount_percentage\": 0.0, \"item_name\": \"I1\", \"amount\": 1.0, \"actual_qty\": 0.0, \"net_rate\": 1.0, \"conversion_factor\": 1.0, \"warehouse\": \"Finished Goods - R\", \"docstatus\": 0, \"prevdoc_docname\": null, \"uom\": \"Unit\", \"description\": \"I1\", \"parent\": \"QTN-00001\", \"brand\": null, \"gst_hsn_code\": null, \"base_rate\": 1.0, \"item_code\": \"I1\", \"projected_qty\": 0.0, \"margin_type\": \"\", \"doctype\": \"Quotation Item\", \"rate_with_margin\": 0.0, \"pricing_rule\": null, \"price_list_rate\": 1.0, \"name\": \"QUOD/00001\", \"idx\": 1, \"item_tax_rate\": \"{}\", \"item_group\": \"Products\", \"modified\": \"2017-09-14 17:09:51.239271\", \"parenttype\": \"Quotation\", \"customer_item_code\": null, \"net_amount\": 1.0, \"prevdoc_doctype\": null, \"parentfield\": \"items\"}], \"id\": \"QTN-00001\"}",
"files": {},
"form": {},
"headers": {
"Accept": "*/*",
"Accept-Encoding": "gzip, deflate",
"Connection": "close",
"Content-Length": "1075",
"Host": "httpbin.org",
"User-Agent": "python-requests/2.18.1"
},
"json": {
"id": "QTN-00001",
"lineItems": [
{
"actual_qty": 0.0,
"amount": 1.0,
"base_amount": 1.0,
"base_net_amount": 1.0,
"base_net_rate": 1.0,
"base_price_list_rate": 1.0,
"base_rate": 1.0,
"brand": null,
"conversion_factor": 1.0,
"creation": "2017-09-14 13:41:58.373023",
"customer_item_code": null,
"description": "I1",
"discount_percentage": 0.0,
"docstatus": 0,
"doctype": "Quotation Item",
"gst_hsn_code": null,
"idx": 1,
"image": "",
"item_code": "I1",
"item_group": "Products",
"item_name": "I1",
"item_tax_rate": "{}",
"margin_rate_or_amount": 0.0,
"margin_type": "",
"modified": "2017-09-14 17:09:51.239271",
"modified_by": "Administrator",
"name": "QUOD/00001",
"net_amount": 1.0,
"net_rate": 1.0,
"owner": "Administrator",
"page_break": 0,
"parent": "QTN-00001",
"parentfield": "items",
"parenttype": "Quotation",
"prevdoc_docname": null,
"prevdoc_doctype": null,
"price_list_rate": 1.0,
"pricing_rule": null,
"projected_qty": 0.0,
"qty": 1.0,
"rate": 1.0,
"rate_with_margin": 0.0,
"stock_qty": 1.0,
"stock_uom": "Unit",
"uom": "Unit",
"warehouse": "Finished Goods - R"
}
]
},
"url": "https://httpbin.org/post"
}


Webhook Request Log

A webhook request log is created for every successful request with all the relevant details
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