Скачать или смотреть n8n → Discord Webhooks: Real-Time Messaging Setup

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Send real-time messages from n8n to Discord using webhooks.

🔧 Environment:
🖥 n8n webhook node, HTTP request node, execution logs
🎮 Discord API webhook URL, message delivery
🖧 CLI tools (curl, traceroute, ping, grep)
🐧 Unix/macOS/Linux commands (ps aux, kill -9, rm ~/.zsh_history)

🚨 Failures (Fixed):
📌 404 Webhook Not Found → Browser sent GET, n8n expected POST. Fixed with manual cURL test.
📌 Webhook Expired → Test mode was one-time use. Switched to production mode.
📌 Discord API 400 (Bad Request) → JSON formatting error. Fixed by structuring the payload correctly.
📌 Discord API 403 (Forbidden) → Webhook lacked send_messages permission. Role inheritance corrected.
📌 Webhook Execution Timeout → API rate limiting. Added exponential backoff & jitter for stability.
📌 Infinite Loop Prevention → Ensured deduplication & execution ID validation.
📌 Webhook Security → Revoked test URLs, cleared logs, verified 404 responses.

🎯 Key Learnings:

Webhooks are event-driven, not persistent HTTP endpoints.
Discord API strictly enforces JSON schema, no malformed payloads.
Test mode = temporary, production mode = persistent.
Rate limiting matters—async execution needs proper handling.

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