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Subscribe to a Webhook - publisher is a vendor



I want a Power Automate flow to be triggered when a vendor's webhook fires.


The vendor is Greenhouse, a recruiting applicant tracking system. They have a webhook for 'Candidate Hired'


Their API documentation

About webhooks in general

Web Hooks | Greenhouse


About the candidate hired webhook

Web Hooks | Greenhouse


I need to provide an endpoint URL to Greenhouse in it's Dev Center admin page. 


Create A New Web Hook

JSON data containing relevant information will be sent via POST to the entered endpoint URL when the selected event occurs. A Signature header will be included; generated by the secret key and the message payload. Only HTTPS URLs may be entered. 


The payload that Greenhouse sends for this webhook is on the API docs like above, it is too long to paste into this message.


What type of trigger in Power Automate begins this Flow? How do I create and provide an endpoint URL to the Greenhouse Dev Center?  I know in AWS we create an API Gateway and copy it's endpoint URL and paste into the Greenhouse Dev Center.

Super User
Super User

Hi @kevin-cto 


Try looking the below triggers




If you looking to create an API endpoint then try When an HTTP request is received. After saving the Flow and it will generate a unique URL for the event.

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