Branch · AsyncAPI Specification

Branch Messenger Webhooks

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AsyncAPI Specification

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generated: '2026-10-03'
method: searched
generator: extract-docs-artifacts.py (local)
source: https://help.branch.io/account-hub/docs/postback-webhook-ip-address-allowlist-expands.md
sources:
- https://help.branch.io/account-hub/docs/postback-webhook-ip-address-allowlist-expands.md
- https://help.branch.io/account-hub/docs/additional-ip-addresses-for-webhooks.md
- https://help.branch.io/marketer-hub/docs/webhooks.md
- https://help.branch.io/developer-hub/docs/data-integration-webhooks-for-developers.md
description: Branch webhooks fire for specific Branch events when they occur.
events:
- event: install
  description: Triggered the first time a user ever launches your app on their device.
- event: reinstall
  description: Triggered if a user deletes and reinstalls your app on their device.
- event: open
  description: Triggered whenever the app is opened (and the open is neither an install or reinstall).
- event: web session start
  description: Triggered when the user views a webpage using the Branch Web SDK.
- event: click
  description: Triggered whenever a Branch Link is clicked on any platform.
delivery:
  retries: We will retry if it's a timeout (2‑second waiting period). Errors returned by the recipient (e.g., 400/500) are not retried.
docs: https://help.branch.io/account-hub/docs/postback-webhook-ip-address-allowlist-expands.md

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