Description (How it works)
Description (How it works) This workflow keeps your Zalo Official Account access token valid and easy to reuse across other flows—no external server required. High-level steps Scheduled refresh runs on an interval to renew the access token before it expires. Static Data cache (global) stores access/refresh tokens + expiries for reuse by any downstream node. OAuth exchange calls Zalo OAuth v4 with your app_id and secret_key to get a fresh access token. Immediate output returns the current access token to the next nodes after each refresh. Operational webhooks include: A reset webhook to clear the cache when rotating credentials or testing. A token peek webhook to read the currently cached token for other services. Setup steps (estimated time ~8–15 minutes) Collect Zalo credentials (2–3 min): Obtain app_id, secret_key, and a valid refresh_token. Import & activate workflow (1–2 min): Import the JSON into n8n and activate it. Wire inputs (2–3 min): Point the “Set Refresh Token and App ID” node to your env vars (or paste values for a quick test). Adjust schedule & secure webhooks (2–3 min): Tune the run interval to your token TTL; protect the reset/peek endpoints (e.g., secret param or IP allowlist). Test (1–2 min): Execute once to populate Static Data; optionally try the token peek and reset webhooks to confirm behavior. An n8n automation workflow template by Le Nguyen.
Le Nguyen
web
free
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