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36 lines
1.5 KiB
Plaintext
36 lines
1.5 KiB
Plaintext
---
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title: Webhook
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slug: /component-webhook
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---
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import Icon from "@site/src/components/icon";
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import PartialParams from '@site/docs/_partial-hidden-params.mdx';
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The **Webhook** component defines a webhook trigger that runs a flow when it receives an HTTP POST request.
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## Trigger the webhook
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When you add a **Webhook** component to your flow, a **Webhook curl** tab is added to the flow's [**API Access** pane](/concepts-publish#api-access).
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This tab automatically generates an HTTP POST request code snippet that you can use to trigger your flow through the **Webhook** component.
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For example:
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```bash
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curl -X POST \
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"http://$LANGFLOW_SERVER_ADDRESS/api/v1/webhook/$FLOW_ID" \
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-H 'Content-Type: application/json' \
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-H 'x-api-key: $LANGFLOW_API_KEY' \
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-d '{"any": "data"}'
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```
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For more information, see [Trigger flows with webhooks](/webhook).
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## Webhook parameters
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| Name | Display Name | Description |
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|------|--------------|-------------|
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| data | Payload | Input parameter. Receives a payload from external systems through HTTP POST requests. |
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| curl | curl | Input parameter. The curl command template for making requests to this webhook. |
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| endpoint | Endpoint | Input parameter. The endpoint URL where this webhook receives requests. |
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| output_data | JSON | Output parameter. The processed data from the webhook input. Returns an empty [`JSON`](/data-types#json) object if no input is provided. If the input isn't valid JSON, the **Webhook** component wraps it in a `payload` object so that it can be accepted as input to trigger the flow. |
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