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Webhook Triggers


On the Trigger tab for every Fleet, you are provided with a section for creating and managing Webhook Triggers.

Webhook Triggers enable you to programmatically execute a Fleet in Shipyard by running a POST request from any service. When you run the POST request, your Fleet will be scheduled to run immediately.

When a webhook has been created, you will be given 3 options:

  • Copy the entire webhook to your clipboard
  • Replace the current webhook URL with a new webhook URL
  • Remove the webhook URL from existence
Pro Tip

You can use webhooks to dynamically pass data to your Vessels at runtime. Check out our tutorial to better understand this functionality.

Webhook Status Codes

No matter which language or service you use to run the POST request, you will see the following status codes returned.

201 - Created Successfully

When your POST request returns a status code of 201, your entity has been successfully scheduled.

"request" : {
"id" : "955939cc-2b90-4b8e-bf23-7375cd87822b"
"data" : {
"fleet_id" : "cc3737df-06ee-431a-8f87-1e79f1eed6d6",
"project_id" : "d1680f76-3b3c-420e-bbf3-9d62c6a2b450",
"org_id" : "2d52c575-989e-4642-bc63-c63408ee3fd8",
"fleet_run_id" : "ad4d4655-91fd-4499-9a1a-06d6e8a433d4"

With this status code, you'll receive back IDs for the element you ran, alongside a unique request ID.

400 - Bad Requests

When your POST request returns a status code of 400, your request has failed. This is usually due to a webhook URL that is malformed or no longer exists. You'll see the following JSON response returned alongside this status code.

"request" : {
"id" : "1af80dfc-e1b7-459f-9921-e5cb9e08b684"
"data" : null


View on the Triggers tab when there are no webhooks.

View on the Triggers tab when a webhook has been created.

Additional Notes

  1. Each Fleet can only have one webhook associated to it.
  2. Fleets may not run instantaneously, as there is still time associated with entering a job queue, spinning up servers, and installing any external package dependencies.

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