STEP-1
Go to Jira Settings > Apps > Configure SCM Activity > Bitbucket Tab.
Copy Web-hook Payload URL.
STEP-2
In Bitbucket if you are an instance admin (you run your own Bitbucket installation) then you can add System Webhooks, including for push and tag push events.
Hence it is not necessary to individually add webhooks to each and every repository if you want them to be handled for all - which is very common for companies running their own Bitbucket instance and Jira instances.
On Bit-bucket project, go to repository settings > Webhooks > Click Add Webhook
Define Payload URL: https://scmactivity.ilaesolution.com/scmactivity/bitbucket/push?clientKey=fd4a2eba-7864-3304-8292-****
Content Type: application/json
Choose Just the push event
Check Active checkbox
Click Update/Add webhook.
STEP-3
Perform Commit Git commit in comments with Issue key. e.g.
git commit -am"Bug fix. ref SU-25"
Go to issue, scm changesets tab and verify on, https://<HOST>.atlassian.net/browse/SU-25
Verify payload delivery.
