This article provides a complete, practical walkthrough of the Manual Trello Automation Triggered n8n agent. It connects HTTP Request, Webhook across approximately 1 node(s). Expect a Intermediate setup in 15-45 minutes. One‑time purchase: €29.

What This Agent Does

This agent orchestrates a reliable automation between HTTP Request, Webhook, handling triggers, data enrichment, and delivery with guardrails for errors and rate limits.

It streamlines multi‑step processes that would otherwise require manual exports, spreadsheet cleanup, and repeated API requests. By centralizing logic in n8n, it reduces context switching, lowers error rates, and ensures consistent results across teams.

Typical outcomes include faster lead handoffs, automated notifications, accurate data synchronization, and better visibility via execution logs and optional Slack/Email alerts.

How It Works

The workflow uses standard n8n building blocks like Webhook or Schedule triggers, HTTP Request for API calls, and control nodes (IF, Merge, Set) to validate inputs, branch on conditions, and format outputs. Retries and timeouts improve resilience, while credentials keep secrets safe.

Third‑Party Integrations

• HTTP Request
• Webhook

Import and Use in n8n

1. Open n8n and create a new workflow or collection.
2. Choose Import from File or Paste JSON.
3. Paste the JSON below, then click Import.
4. Show n8n JSON

   Title:
   Automating CFP Selection and Speaker Asset Creation Using n8n, Airtable, Bannerbear, and Trello
   
   Meta Description:
   Discover a fully automated workflow for managing Call for Papers (CFP) submissions using n8n. Learn how Airtable, Bannerbear, and Trello integrate to simplify speaker selection, image generation, and content organization.
   
   Keywords:
   n8n workflow, CFP automation, Airtable integration, Bannerbear automation, Trello API, speaker management, call for papers, no-code automation, proposal scoring, event planning automation
   
   Third-Party APIs Used:
   
   - Airtable API
   - Bannerbear API
   - Trello API
   
   Short Article:
   
   Streamlining CFP Management with n8n: A No-Code Workflow for Speaker Selection and Organization
   
   Organizing a conference or event often involves manually sifting through dozens—or even hundreds—of submissions through a Call for Papers (CFP) process. Between evaluating proposals, designing promotional materials, and organizing logistics, the process is resource-intensive.
   
   But what if you could automate it?
   
   Using n8n—a powerful, open-source automation tool—you can create a seamless workflow that filters top-rated submissions, generates personalized speaker images, and organizes information into Trello for team collaboration. Below, we'll explore a full-featured workflow that does exactly that using Airtable, Bannerbear, and Trello.
   
   Step 1: Manual Workflow Trigger in n8n
   
   The workflow begins with a Manual Trigger node in n8n, allowing users to kickstart the process with a single click. This makes it easy for event organizers to run the selection process on-demand after scoring submissions.
   
   Step 2: Filtering Submissions in Airtable
   
   The next node taps into Airtable, which serves as the central database for CFP submissions. This node is configured to:
   
   - Connect to the appropriate Airtable base and table
   - Filter records using a formula: Total Score > 15
   
   This means only high-quality talk proposals—those scoring more than 15 points—will move on to the next stage. The filter ensures that only the most promising speakers are considered for promotional asset creation and planning.
   
   Step 3: Creating Speaker Graphics with Bannerbear
   
   Once the top-ranked proposals are fetched, the workflow proceeds to a Bannerbear node. Bannerbear is used to auto-generate promotional images for each selected speaker.
   
   Using dynamic inputs from the Airtable record, the Bannerbear node updates the following fields in a predefined template:
   
   - Talk Title
   - Abstract
   - Profile Image URL
   - Twitter Username
   - Full Name
   
   The result is a polished, branded image ready for sharing on social media or embedding in marketing materials. "waitForImage" is set to true, so the process ensures the images are generated before proceeding.
   
   Step 4: Organizing Speakers in Trello
   
   The final automation step sends all collected information to Trello. Each speaker proposal is turned into a Trello card under a selected list. The card includes:
   
   - Title: The title of the talk
   - Description: A well-formatted summary including the abstract, speaker's name, short bio, email, and Twitter handle
   - Preview Image: The promotional image URL generated by Bannerbear is added as the card's cover image
   
   This not only organizes selected speakers into a project-friendly format but also provides your team with all relevant details in one glance.
   
   Why This Workflow Matters
   
   Event planning teams are often small, juggling multiple tasks under tight deadlines. Manual selection of proposals, coordination with speakers, and asset generation can easily take hours or days. With this n8n-powered automation, that entire workflow is accomplished in minutes—accurate, consistent, and scalable.
   
   Additionally, this approach reduces human error, ensures design consistency in speaker imagery, and gives non-technical teams a no-code way to manage complex processes with powerful third-party APIs.
   
   Conclusion
   
   Whether you're an event planner, community manager, or just someone who wants to make your CFP process more efficient, this workflow provides a plug-and-play solution. By leveraging Airtable for data management, Bannerbear for media generation, and Trello for collaboration, n8n becomes the glue that ties your speaker selection process together in a fully-automated pipeline.
   
   Give your team time back and provide a more professional experience for your speakers—all while scaling your event's operations without writing a single line of code.
   
   Bonus Tip: Since this n8n workflow uses dynamic data fields from Airtable and integrates perfectly into Trello, you can expand it further by adding email notifications, Slack alerts, or Google Drive archiving to build an even more robust automated CFP system.
   
   Ready to automate your CFP process? n8n puts the power in your hands.

5. Set credentials for each API node (keys, OAuth) in Credentials.
6. Run a test via Execute Workflow. Inspect Run Data, then adjust parameters.
7. Enable the workflow to run on schedule, webhook, or triggers as configured.

Tips: keep secrets in credentials, add retries and timeouts on HTTP nodes, implement error notifications, and paginate large API fetches.

Validation: use IF/Code nodes to sanitize inputs and guard against empty payloads.

Why Automate This with AI Agents

AI‑assisted automations offload repetitive, error‑prone tasks to a predictable workflow. Instead of manual copy‑paste and ad‑hoc scripts, your team gets a governed pipeline with versioned state, auditability, and observable runs.

n8n’s node graph makes data flow transparent while AI‑powered enrichment (classification, extraction, summarization) boosts throughput and consistency. Teams reclaim time, reduce operational costs, and standardize best practices without sacrificing flexibility.

Compared to one‑off integrations, an AI agent is easier to extend: swap APIs, add filters, or bolt on notifications without rewriting everything. You get reliability, control, and a faster path from idea to production.

Best Practices

• Credentials: restrict scopes and rotate tokens regularly.
• Resilience: configure retries, timeouts, and backoff for API nodes.
• Data Quality: validate inputs; normalize fields early to reduce downstream branching.
• Performance: batch records and paginate for large datasets.
• Observability: add failure alerts (Email/Slack) and persistent logs for auditing.
• Security: avoid sensitive data in logs; use environment variables and n8n credentials.

FAQs

Can I swap integrations later? Yes. Replace or add nodes and re‑map fields without rebuilding the whole flow.

How do I monitor failures? Use Execution logs and add notifications on the Error Trigger path.

Does it scale? Use queues, batching, and sub‑workflows to split responsibilities and control load.

Is my data safe? Keep secrets in Credentials, restrict token scopes, and review access logs.