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Generate and research sales leads with Jina AI & OpenAI email automation via Gmail

FabioInTechFabioInTech
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2/3/2026
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Who’s it for

Generate personalized sales leads, ready-to-send, HTML-formatted emails, and send them automatically. This workflow is ideal for sales professionals, marketers, and business development teams aiming to scale their outreach. By automating the tedious tasks of research and email drafting, you can focus on building relationships and closing deals.

How it works

This workflow automates the process of finding sales leads and drafting personalized emails.

  • It starts by pulling a list of unprocessed companies from an Airtable base.
  • For each company, it uses Jina DeepSearch to find key decision-makers, their roles, and email addresses.
  • An AI agent then analyzes the research to identify the best contact and creates a custom, professional cold email.
  • The email's content and subject are evaluated by a second AI agent, which assigns a score from 0-100.
  • If the email scores below 80, it's sent to an Email Re-writer agent for improvement before being evaluated again.
  • Finally, the workflow formats the polished email into an HTML draft in Gmail and updates the Airtable record with the lead information and the outcome.

How to set up

  1. Airtable: Create your Airtable credentials here. Set up an Airtable base with a table that includes the following columns: Company_name, Company_website, Company_e-mail, processed, lead_name, lead_email, email_subject, email_text, email_summary, create_date and a task_result column.
  2. Jina AI: Get an API key from Jina AI and add it to the Jina_API_Key node. You can find more information here.
  3. Gmail: Connect your Gmail account using the Gmail node to allow the workflow to create email drafts. You can find the documentation for the Gmail node here.
  4. OpenAI: This workflow uses the OpenAI nodes (gpt-5-mini model) for the AI agents. You will need to provide your OpenAI API credentials. You can find the API documentation here.
  5. Business Info: Fill in your company's information in the Business_Info node, including your business name, description, key benefits, website URL, target audience, and the desired email language.

Requirements

  • An n8n account
  • Airtable API Key and a base with lead data.
  • Jina AI API Key for the deep search functionality.
  • OpenAI API Key to power the AI agents.
  • A Gmail account connected to n8n.

How to customize the workflow

  • Changing the Score Threshold: The If node is set to a threshold of 80. You can change this to a higher or lower number to control which emails are re-written.
  • Database Integration: Instead of Airtable, you can use a different database like Google Sheets or a CRM by swapping out the Airtable nodes for the corresponding integration nodes.
  • Email Sending: The workflow currently creates drafts in Gmail. You can easily modify the Gmail node to send the emails directly instead of creating drafts, but be cautious with this approach to avoid sending unwanted emails.

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n8n Workflow: Generate and Research Sales Leads with Jina AI, OpenAI, and Email Automation

This n8n workflow automates the process of generating sales leads, enriching them with research, and initiating personalized email outreach. It leverages AI for lead generation and research, and integrates with Airtable for lead management and Gmail for email communication.

What it does

This workflow streamlines the sales lead process through the following steps:

  1. Manual Trigger / Scheduled Execution: The workflow can be initiated manually or set to run on a schedule, fetching new leads from Airtable.
  2. Fetch New Leads from Airtable: It queries an Airtable base for new leads that are marked for processing.
  3. Loop Over Each Lead: It processes each retrieved lead individually.
  4. AI Agent for Research:
    • An AI Agent (powered by LangChain and OpenAI Chat Model) is used to perform research on the lead.
    • It utilizes a Simple Memory to maintain context during the research process.
    • A Structured Output Parser ensures the AI's output is formatted correctly for subsequent steps.
    • An HTTP Request node likely interacts with an external service (e.g., Jina AI for web scraping or search) to gather information.
  5. Conditional Logic for Research Success: An If node checks if the AI research was successful.
    • If successful:
      • An Edit Fields (Set) node processes the AI's research output.
      • Another Edit Fields (Set) node prepares the data for updating Airtable.
      • The lead's record in Airtable is updated with the research findings.
    • If unsuccessful:
      • The lead's record in Airtable is updated to reflect the failed research.
  6. Merge Research Results: A Merge node combines the successful and unsuccessful research paths back into a single flow.
  7. Generate Personalized Email Draft (AI Agent):
    • A second AI Agent generates a personalized email draft based on the lead's information and research findings.
    • It also uses an OpenAI Chat Model and Simple Memory.
    • A Structured Output Parser formats the email draft.
  8. Conditional Logic for Email Generation Success: An If node checks if the email draft generation was successful.
    • If successful:
      • An Edit Fields (Set) node processes the generated email.
      • The lead's record in Airtable is updated with the email draft.
      • A Wait node introduces a delay before sending the email.
      • Gmail sends the personalized email to the lead.
      • The lead's record in Airtable is updated to mark the email as sent.
    • If unsuccessful:
      • The lead's record in Airtable is updated to indicate the email generation failed.
  9. Merge Email Generation Results: A Merge node combines the successful and unsuccessful email generation paths.
  10. Final Airtable Update: The lead's record in Airtable is updated with the final status of the email outreach.

Prerequisites/Requirements

To use this workflow, you will need:

  • n8n Instance: A running n8n instance.
  • Airtable Account: With a base and table set up to store your sales leads.
  • OpenAI API Key: For the AI Agent and OpenAI Chat Model nodes.
  • Jina AI API Key (or similar web scraping/search service): For the HTTP Request node used in the research phase.
  • Gmail Account: Configured as a credential in n8n for sending emails.
  • Airtable Credential: Configured in n8n to connect to your Airtable base.

Setup/Usage

  1. Import the workflow: Download the provided JSON and import it into your n8n instance.
  2. Configure Credentials:
    • Set up your Airtable credential (API Key or OAuth).
    • Set up your OpenAI credential (API Key).
    • Set up your Gmail credential (OAuth 2.0 recommended).
    • Ensure any custom API keys for services like Jina AI are configured within the respective HTTP Request nodes.
  3. Customize Airtable Nodes:
    • Update the "Airtable" nodes to point to your specific Airtable Base ID and Table Name.
    • Adjust the field names in the "Edit Fields (Set)" nodes to match your Airtable schema (e.g., for lead status, research results, email draft, etc.).
  4. Review AI Agent Prompts:
    • Inspect the "AI Agent" nodes and their connected "OpenAI Chat Model" nodes to ensure the prompts align with your desired lead research and email generation strategies.
    • Adjust the "Structured Output Parser" schema if your AI output structure changes.
  5. Activate the workflow: Once configured, activate the workflow. You can then trigger it manually or let it run on its schedule.

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