Script to send an API payload to return message and Survey Link to third party app | Query

SaurabhC3189389
Tera Contributor

‎11-20-2025 08:42 AM

Hi All,

 

I have a requirement where I need to send a message and a survey link via a API payload when a HR Case gets resolved.

 

Third Party has provided the below details -

  • Webhook
  • Client ID
  • Client Secret

My Payload looks like -

 

{
"case_number": "HRC00xxxxx",
"subject_person": {
"name": "abc",
"email": "abc@gmail.com"
},
'message': your case is resolved
'url':<survey_link>
}

 

Since I have never written any scripted REST API, can someone please help me frame one? Also is there any other way to send these details?

 

Regards,

Saurabh

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Laveena-Agarwal
Kilo Sage

‎11-20-2025 09:43 AM

Hi @SaurabhC3189389  

 

If the payload needs to be sent from your side, then a Scripted REST API is not required. Scripted REST APIs are only needed when a third-party system is calling ServiceNow.

 

To achieve this:-

Use Flow Designer with REST Step

 

Steps

  1. Go to System OAuth → Application Registries

  2. Create OAuth 2.0 Client Credentials profile
    (enter Client ID + Secret from third party)

  3. Go to Flow Designer

  4. Trigger: HR Case → State changes to Resolved

  5. Add Action: REST step

  6. Method → POST

  7. URL → Webhook URL provided

  8. Authentication → OAuth 2.0 

  9. Body → Include API payload.

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