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V2 Webhooks

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V2 Webhooks

Flow

Webhook flow

When an event triggers a webhook for a file or a folder, it makes a HTTP call to the address specified when the webhook was created. The payload of this call contains some request headers, and a JSON body.

Payload headers

The payload sent by a webhook has the following Box-specific headers.

HeaderDescription
BOX-DELIVERY-IDA unique ID assigned by Box that identifies the delivered webhook payload. When Box retries a webhook this ID will change, while the ID in the payload body remains the same.
BOX-DELIVERY-TIMESTAMPAn RFC-3339 timestamp that identifies when the payload was sent.
BOX-SIGNATURE-PRIMARYA signature created using the primary signature key configured for this webhook.
BOX-SIGNATURE-SECONDARYA signature created using the secondary signature key configured for this webhook.
BOX-SIGNATURE-VERSIONValue is always 1.
BOX-SIGNATURE-ALGORITHMValue is always HmacSHA256 .

For example:

BOX-DELIVERY-ID:          673a081b-bb4b-4d45-b4f1-4131a29c1d07
BOX-DELIVERY-TIMESTAMP:   2016-07-11T10:10:33-07:00
BOX-SIGNATURE-PRIMARY:    isCeDp7mLR41/MjcSEFLag9bWmpJkgmN80Je4VIESdo=
BOX-SIGNATURE-SECONDARY:  1UbiiKS7/2o5vNIlyMh7e5QGCHq8lflWFgEF+YWBugI=
BOX-SIGNATURE-VERSION:    1
BOX-SIGNATURE-ALGORITHM:  HmacSHA256
USER-AGENT:               Box-WH-Client/0.1

We recommend setting up and verifying signatures of the webhook payloads.

HTTP header names are case insensitive. Your client should convert all header names to a standardized lowercase or uppercase format before trying to determine the value of a header.

Payload body

The body of a webhook payload is a JSON object that describes the file or folder (target) that triggered the webhook, as well as the event that has been triggered.

FieldDescription
typeValue is always webhook_event.
idA unique ID assigned by Box that identifies an event. When Box retries a webhook this ID will not change, while the ID in the header changes between calls.
created_atThe time/date when an event was triggered at.
triggerThe name of the action that triggered an event, for example FILE.UPLOADED.
webhookThe webhook ID for which an event triggered.
created_byThe user that triggered an event.
sourceThe item that triggered an event, for example the file that was uploaded to the target folder.

Example:

{
  "type": "webhook_event",
  "id": "eb0c4e06-751f-442c-86f8-fd5bb404dbec",
  "created_at": "2016-07-11T10:10:32-07:00",
  "trigger": "FILE.UPLOADED",
  "webhook": {
    "id": "53",
    "type": "webhook"
  },
  "created_by": {
    "type": "user",
    "id": "226067247",
    "name": "John Q. Developer",
    "login": "johnq@dev.name"
  },
  "source": {
    "id": "73835521473",
    "type": "file",
    "file_version": {
      "type": "file_version",
      "id": "78096737033",
      "sha1": "2c61623e86bee78e6ab444af456bccc7a1164095"
    },
    "sequence_id": "0",
    "etag": "0",
    "sha1": "2c61623e86bee78e6ab444af456bccc7a1164095",
    "name": "Test-Image-3.png",
    "description": "",
    "size": 26458,
    "path_collection": {
      "total_count": 4,
      "entries": [
        {
          "type": "folder",
          "id": "0",
          "sequence_id": null,
          "etag": null,
          "name": "All Files"
        },
        {
          "type": "folder",
          "id": "2614853901",
          "sequence_id": "4",
          "etag": "4",
          "name": "Testing"
        },
        {
          "type": "folder",
          "id": "8290186265",
          "sequence_id": "0",
          "etag": "0",
          "name": "Webhooks Base"
        },
        {
          "type": "folder",
          "id": "8290188973",
          "sequence_id": "0",
          "etag": "0",
          "name": "Webhooks"
        }
      ]
    },
    "created_at": "2016-07-11T10:10:32-07:00",
    "modified_at": "2016-07-11T10:10:32-07:00",
    "trashed_at": null,
    "purged_at": null,
    "content_created_at": "2016-06-08T11:14:04-07:00",
    "content_modified_at": "2016-06-08T11:14:04-07:00",
    "created_by": {
      "type": "user",
      "id": "226067247",
      "name": "John Q. Developer",
      "login": "johnq@dev.name"
    },
    "modified_by": {
      "type": "user",
      "id": "226067247",
      "name": "John Q. Developer",
      "login": "johnq@dev.name"
    },
    "owned_by": {
      "type": "user",
      "id": "226067247",
      "name": "John Q. Developer",
      "login": "johnq@dev.name"
    },
    "shared_link": null,
    "parent": {
      "type": "folder",
      "id": "8290188973",
      "sequence_id": "0",
      "etag": "0",
      "name": "Webhooks"
    },
    "item_status": "active"
  },
  "additional_info": []
}

Retries

Delivery of a webhook payload fails when Box does not receive a response with a HTTP status code in the 200 to 299 range within 30 seconds of sending the payload.

Box will retry webhook deliveries up to 12 times over a period of 2 hours. These numbers could be subject to change.