Schedule Instagram Posts at Best Times with Rubinyun (n8n)

Schedule Instagram posts at the best times—automatically—using Rubinyun in n8n

Turn your Instagram publishing into a data-driven, hands-off process. Rubinyun (n8n) analyzes your account’s engagement history to pick the optimal upcoming time, then queues your post for that exact schedule.

What this workflow does

• Manual trigger: Start the workflow whenever you’re ready to publish (via n8n’s Manual Trigger).
• Find the best posting slot: The workflow sends an HTTP request to the Rubinyun API to calculate the best upcoming time based on your Instagram performance history and current queue.
• Queue your Instagram post: It then sends the post details—type, image URL, caption, and the suggested scheduled time—back to Rubinyun so the post is added to the publishing queue.

Use cases

• SaaS operators who want consistent publishing without manually guessing “best times.”
• Automation engineers building repeatable Instagram workflows with scheduling logic driven by historical engagement.
• Marketers using n8n who maintain a queue of content and want each post scheduled to a computed optimal time.
• Multi-profile management, when you want to direct posts to a second Instagram profile using the optional channel field.

Technical details

• Trigger: Manual Trigger
• Nodes/logic: Sticky note, HTTP Request, Manual Trigger
• Integrations: Rubinyun via HTTP requests (calculate best time + add post to queue)
• Auth setup: Create an n8n HTTP Header Auth credential with header name Authorization and value Key YOUR_KEY:YOUR_SECRET, then select it in both Rubinyun HTTP Request steps.
• Requirements: An Instagram Business or Creator account linked to a Facebook Page.
• Customization: Set type to carousel, reel, or story (instead of image), optionally set channel, or use the optional upload node when you don’t have a public file URL.