## Example: Replay GitHub webhook delivery with `curl`
This example shows how to replay a GitHub webhook delivery (e.g., `issue_comment.created`) using `curl`. Replace `<WEBHOOK_URL>` with your actual webhook endpoint.
```bash
curl -X POST https://unreliant-nacreous-leigha.ngrok-free.dev \
-H "Accept: */*" \
--data-binary @payload.json
curl -X POST https://unreliant-nacreous-leigha.ngrok-free.dev \
-H "Accept: */*" \
-H "Content-Type: application/json" \
-H "User-Agent: GitHub-Hookshot/2444035" \
-H "X-GitHub-Delivery: 5e0a4e10-9c91-11f0-96dd-5461187db048" \
-H "X-GitHub-Event: issue_comment" \
-H "X-GitHub-Hook-ID: 571596179" \
-H "X-GitHub-Hook-Installation-Target-ID: 2010770" \
-H "X-GitHub-Hook-Installation-Target-Type: integration" \
-H "X-Hub-Signature: sha1=e30edf49c61c448dc4506560cfa154beb673b481" \
-H "X-Hub-Signature-256: sha256=0e4c0246a74fc53a24b844da71d75b92561d9137300e2df042f63edb2b054011" \
--data-binary @payload.jsonInstructions:
- Save the JSON payload (see below) to a file named
payload.json. - Replace
<WEBHOOK_URL>with your webhook endpoint. - Run the above
curlcommand.
Click to expand JSON payload
{
"action": "created",
"issue": {
"url": "https://api.github.com/repos/iliazlobin/backstage-app/issues/12",
"repository_url": "https://api.github.com/repos/iliazlobin/backstage-app",
"labels_url": "https://api.github.com/repos/iliazlobin/backstage-app/issues/12/labels{/name}",
"comments_url": "https://api.github.com/repos/iliazlobin/backstage-app/issues/12/comments",
"events_url": "https://api.github.com/repos/iliazlobin/backstage-app/issues/12/events",
"html_url": "https://github.com/iliazlobin/backstage-app/issues/12",
"id": 3462225743,
"node_id": "I_kwDOP2cHEc7OXV9P",
"number": 12,
"title": "Summarize repo",
"user": {
"login": "iliazlobin",
"id": 3456942,
"node_id": "MDQ6VXNlcjM0NTY5NDI=",
"avatar_url": "https://avatars.githubusercontent.com/u/3456942?v=4",
"gravatar_id": "",
"url": "https://api.github.com/users/iliazlobin",
"html_url": "https://github.com/iliazlobin",
"followers_url": "https://api.github.com/users/iliazlobin/followers",
"following_url": "https://api.github.com/users/iliazlobin/following{/other_user}",
"gists_url": "https://api.github.com/users/iliazlobin/gists{/gist_id}",
"starred_url": "https://api.github.com/users/iliazlobin/starred{/owner}{/repo}",
"subscriptions_url": "https://api.github.com/users/iliazlobin/subscriptions",
"organizations_url": "https://api.github.com/users/iliazlobin/orgs",
"repos_url": "https://api.github.com/users/iliazlobin/repos",
"events_url": "https://api.github.com/users/iliazlobin/events{/privacy}",
"received_events_url": "https://api.github.com/users/iliazlobin/received_events",
"type": "User",
"user_view_type": "public",
"site_admin": false
},
"labels": [
{
"id": 9366487268,
"node_id": "LA_kwDOP2cHEc8AAAACLklA5A",
"url": "https://api.github.com/repos/iliazlobin/backstage-app/labels/open-swe",
"name": "open-swe",
"color": "ba9a62",
"default": false,
"description": ""
}
],
"state": "open",
"locked": false,
"assignee": null,
"assignees": [],
"milestone": null,
"comments": 1,
"created_at": "2025-09-28T16:59:12Z",
"updated_at": "2025-09-28T17:34:20Z",
"closed_at": null,
"author_association": "OWNER",
"active_lock_reason": null,
"sub_issues_summary": {
"total": 0,
"completed": 0,
"percent_completed": 0
},
"issue_dependencies_summary": {
"blocked_by": 0,
"total_blocked_by": 0,
"blocking": 0,
"total_blocking": 0
},
"body": "could you please summarize repo and create summary.md",
"reactions": {
"url": "https://api.github.com/repos/iliazlobin/backstage-app/issues/12/reactions",
"total_count": 0,
"+1": 0,
"-1": 0,
"laugh": 0,
"hooray": 0,
"confused": 0,
"heart": 0,
"rocket": 0,
"eyes": 0
},
"timeline_url": "https://api.github.com/repos/iliazlobin/backstage-app/issues/12/timeline",
"performed_via_github_app": null,
"state_reason": null
},
"comment": {
"url": "https://api.github.com/repos/iliazlobin/backstage-app/issues/comments/3343942107",
"html_url": "https://github.com/iliazlobin/backstage-app/issues/12#issuecomment-3343942107",
"issue_url": "https://api.github.com/repos/iliazlobin/backstage-app/issues/12",
"id": 3343942107,
"node_id": "IC_kwDOP2cHEc7HUIHb",
"user": {
"login": "iliazlobin",
"id": 3456942,
"node_id": "MDQ6VXNlcjM0NTY5NDI=",
"avatar_url": "https://avatars.githubusercontent.com/u/3456942?v=4",
"gravatar_id": "",
"url": "https://api.github.com/users/iliazlobin",
"html_url": "https://github.com/iliazlobin",
"followers_url": "https://api.github.com/users/iliazlobin/followers",
"following_url": "https://api.github.com/users/iliazlobin/following{/other_user}",
"gists_url": "https://api.github.com/users/iliazlobin/gists{/gist_id}",
"starred_url": "https://api.github.com/users/iliazlobin/starred{/owner}{/repo}",
"subscriptions_url": "https://api.github.com/users/iliazlobin/subscriptions",
"organizations_url": "https://api.github.com/users/iliazlobin/orgs",
"repos_url": "https://api.github.com/users/iliazlobin/repos",
"events_url": "https://api.github.com/users/iliazlobin/events{/privacy}",
"received_events_url": "https://api.github.com/users/iliazlobin/received_events",
"type": "User",
"user_view_type": "public",
"site_admin": false
},
"created_at": "2025-09-28T17:34:20Z",
"updated_at": "2025-09-28T17:34:20Z",
"body": "hey",
"author_association": "OWNER",
"reactions": {
"url": "https://api.github.com/repos/iliazlobin/backstage-app/issues/comments/3343942107/reactions",
"total_count": 0,
"+1": 0,
"-1": 0,
"laugh": 0,
"hooray": 0,
"confused": 0,
"heart": 0,
"rocket": 0,
"eyes": 0
},
"performed_via_github_app": null
},
"repository": {
"id": 1063716625,
"node_id": "R_kgDOP2cHEQ",
"name": "backstage-app",
"full_name": "iliazlobin/backstage-app",
"private": true,
"owner": {
"login": "iliazlobin",
"id": 3456942,
"node_id": "MDQ6VXNlcjM0NTY5NDI=",
"avatar_url": "https://avatars.githubusercontent.com/u/3456942?v=4",
"gravatar_id": "",
"url": "https://api.github.com/users/iliazlobin",
"html_url": "https://github.com/iliazlobin",
"followers_url": "https://api.github.com/users/iliazlobin/followers",
"following_url": "https://api.github.com/users/iliazlobin/following{/other_user}",
"gists_url": "https://api.github.com/users/iliazlobin/gists{/gist_id}",
"starred_url": "https://api.github.com/users/iliazlobin/starred{/owner}{/repo}",
"subscriptions_url": "https://api.github.com/users/iliazlobin/subscriptions",
"organizations_url": "https://api.github.com/users/iliazlobin/orgs",
"repos_url": "https://api.github.com/users/iliazlobin/repos",
"events_url": "https://api.github.com/users/iliazlobin/events{/privacy}",
"received_events_url": "https://api.github.com/users/iliazlobin/received_events",
"type": "User",
"user_view_type": "public",
"site_admin": false
},
"html_url": "https://github.com/iliazlobin/backstage-app",
"description": null,
"fork": false,
"url": "https://api.github.com/repos/iliazlobin/backstage-app",
"forks_url": "https://api.github.com/repos/iliazlobin/backstage-app/forks",
"keys_url": "https://api.github.com/repos/iliazlobin/backstage-app/keys{/key_id}",
"collaborators_url": "https://api.github.com/repos/iliazlobin/backstage-app/collaborators{/collaborator}",
"teams_url": "https://api.github.com/repos/iliazlobin/backstage-app/teams",
"hooks_url": "https://api.github.com/repos/iliazlobin/backstage-app/hooks",
"issue_events_url": "https://api.github.com/repos/iliazlobin/backstage-app/issues/events{/number}",
"events_url": "https://api.github.com/repos/iliazlobin/backstage-app/events",
"assignees_url": "https://api.github.com/repos/iliazlobin/backstage-app/assignees{/user}",
"branches_url": "https://api.github.com/repos/iliazlobin/backstage-app/branches{/branch}",
"tags_url": "https://api.github.com/repos/iliazlobin/backstage-app/tags",
"blobs_url": "https://api.github.com/repos/iliazlobin/backstage-app/git/blobs{/sha}",
"git_tags_url": "https://api.github.com/repos/iliazlobin/backstage-app/git/tags{/sha}",
"git_refs_url": "https://api.github.com/repos/iliazlobin/backstage-app/git/refs{/sha}",
"trees_url": "https://api.github.com/repos/iliazlobin/backstage-app/git/trees{/sha}",
"statuses_url": "https://api.github.com/repos/iliazlobin/backstage-app/statuses/{sha}",
"languages_url": "https://api.github.com/repos/iliazlobin/backstage-app/languages",
"stargazers_url": "https://api.github.com/repos/iliazlobin/backstage-app/stargazers",
"contributors_url": "https://api.github.com/repos/iliazlobin/backstage-app/contributors",
"subscribers_url": "https://api.github.com/repos/iliazlobin/backstage-app/subscribers",
"subscription_url": "https://api.github.com/repos/iliazlobin/backstage-app/subscription",
"commits_url": "https://api.github.com/repos/iliazlobin/backstage-app/commits{/sha}",
"git_commits_url": "https://api.github.com/repos/iliazlobin/backstage-app/git/commits{/sha}",
"comments_url": "https://api.github.com/repos/iliazlobin/backstage-app/comments{/number}",
"issue_comment_url": "https://api.github.com/repos/iliazlobin/backstage-app/issues/comments{/number}",
"contents_url": "https://api.github.com/repos/iliazlobin/backstage-app/contents/{+path}",
"compare_url": "https://api.github.com/repos/iliazlobin/backstage-app/compare/{base}...{head}",
"merges_url": "https://api.github.com/repos/iliazlobin/backstage-app/merges",
"archive_url": "https://api.github.com/repos/iliazlobin/backstage-app/{archive_format}{/ref}",
"downloads_url": "https://api.github.com/repos/iliazlobin/backstage-app/downloads",
"issues_url": "https://api.github.com/repos/iliazlobin/backstage-app/issues{/number}",
"pulls_url": "https://api.github.com/repos/iliazlobin/backstage-app/pulls{/number}",
"milestones_url": "https://api.github.com/repos/iliazlobin/backstage-app/milestones{/number}",
"notifications_url": "https://api.github.com/repos/iliazlobin/backstage-app/notifications{?since,all,participating}",
"labels_url": "https://api.github.com/repos/iliazlobin/backstage-app/labels{/name}",
"releases_url": "https://api.github.com/repos/iliazlobin/backstage-app/releases{/id}",
"deployments_url": "https://api.github.com/repos/iliazlobin/backstage-app/deployments",
"created_at": "2025-09-25T02:53:53Z",
"updated_at": "2025-09-25T04:08:52Z",
"pushed_at": "2025-09-28T02:46:33Z",
"git_url": "git://github.com/iliazlobin/backstage-app.git",
"ssh_url": "git@github.com:iliazlobin/backstage-app.git",
"clone_url": "https://github.com/iliazlobin/backstage-app.git",
"svn_url": "https://github.com/iliazlobin/backstage-app",
"homepage": null,
"size": 1747,
"stargazers_count": 0,
"watchers_count": 0,
"language": "TypeScript",
"has_issues": true,
"has_projects": true,
"has_downloads": true,
"has_wiki": false,
"has_pages": false,
"has_discussions": false,
"forks_count": 0,
"mirror_url": null,
"archived": false,
"disabled": false,
"open_issues_count": 12,
"license": null,
"allow_forking": true,
"is_template": false,
"web_commit_signoff_required": false,
"topics": [],
"visibility": "private",
"forks": 0,
"open_issues": 12,
"watchers": 0,
"default_branch": "master"
},
"sender": {
"login": "iliazlobin",
"id": 3456942,
"node_id": "MDQ6VXNlcjM0NTY5NDI=",
"avatar_url": "https://avatars.githubusercontent.com/u/3456942?v=4",
"gravatar_id": "",
"url": "https://api.github.com/users/iliazlobin",
"html_url": "https://github.com/iliazlobin",
"followers_url": "https://api.github.com/users/iliazlobin/followers",
"following_url": "https://api.github.com/users/iliazlobin/following{/other_user}",
"gists_url": "https://api.github.com/users/iliazlobin/gists{/gist_id}",
"starred_url": "https://api.github.com/users/iliazlobin/starred{/owner}{/repo}",
"subscriptions_url": "https://api.github.com/users/iliazlobin/subscriptions",
"organizations_url": "https://api.github.com/users/iliazlobin/orgs",
"repos_url": "https://api.github.com/users/iliazlobin/repos",
"events_url": "https://api.github.com/users/iliazlobin/events{/privacy}",
"received_events_url": "https://api.github.com/users/iliazlobin/received_events",
"type": "User",
"user_view_type": "public",
"site_admin": false
},
"installation": {
"id": 87396728,
"node_id": "MDIzOkludGVncmF0aW9uSW5zdGFsbGF0aW9uODczOTY3Mjg="
}
}