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SendGrid and Supabase integration

Save yourself the work of writing custom integrations for SendGrid and Supabase and use n8n instead. Build adaptable and scalable Marketing, Communication, workflows that work with your technology stack. All within a building experience you will love.

How to connect SendGrid and Supabase

Create a new workflow and add the first step

In n8n, click the "Add workflow" button in the Workflows tab to create a new workflow. Add the starting point – a trigger on when your workflow should run: an app event, a schedule, a webhook call, another workflow, an AI chat, or a manual trigger. Sometimes, the HTTP Request node might already serve as your starting point.

SendGrid and Supabase integration: Create a new workflow and add the first step

Outreach for your product using Apollo, LinkedIn, GPT-4.1 and SendGrid

> 💛 Sticky Note: > This Hyperpersonalized Outreach n8n template automates AI‑powered B2B email campaigns by combining Apollo.io lead scraping, LinkedIn enrichment, GPT‑4 generation, and SendGrid delivery. Follow the setup steps below to get started in minutes! 🔥 TLDR Build a scalable, AI‑driven email outreach pipeline that: Scrapes up to 500 leads from Apify Enriches profiles with LinkedIn work history & posts Filters and scores leads via Apollo.io Generates personalized HTML emails with GPT‑4.1 . Sends via SendGrid and logs status in Supabase 👥 Who’s It For Sales teams, growth marketers, and founders who need: High‑touch cold outreach at scale Data‑driven personalisation using real profile insights Automated lead qualification and tracking ⚙️ How It Works / What It Does Apollo Scraper: Uses Apify HTTP nodes (no hard‑coded API keys) to pull lead data. Supabase Sink: Persists email, linkedin_url, and ingestion timestamp. LinkedIn Enrichment: Fetches career history and latest 5 posts via RapidAPI. Data Validation: Conditional nodes drop incomplete or irrelevant leads. Product Description Agent: Creates a customer profile based on the product and how it can help them. Story Agent: Has the persona, style of speech and rules to generate reply for the customer based on the pain points and solution found by the Product Description agent. HTML Modifier: Contains a fix format to keep the output format of each mail consistent and also generate a subject for the mail. SendGrid Dispatch: An SMTP service which delivers emails in large quantity and also keep your mail spam free otherwise if you use gmail node your mail will go staright to spam; updates status=true/false in Supabase. 🛠️ How to Set Up Clone the workflow JSON into your n8n instance. Configure environment variables for Apollo.io, RapidAPI, OpenAI, SendGrid, and Supabase. Rename credentials and test each HTTP node. Activate the workflow and monitor executions in n8n’s UI. ✅ Requirements n8n 0.300.0+ Accounts & API keys for Apollo.io, RapidAPI (LinkedIn), OpenAI, SendGrid, Supabase Supabase to store LinkedIn id and gmails of leads, also useful to eliminate the risk of having duplicate data. 🎨 How to Customize Adjust lead batch size in the Apollo HTTP node. Swap the HTML email template to match your brand. Add A/B subject‑line experiments by cloning the Email Agent. > 🔐 Security Reminder: All credentials must be stored in n8n’s credential manager—never hard‑code API keys in HTTP nodes.

Popular ways to use the SendGrid and Supabase integration

Build your own SendGrid and Supabase integration

Create custom SendGrid and Supabase workflows by choosing triggers and actions. Nodes come with global operations and settings, as well as app-specific parameters that can be configured. You can also use the HTTP Request node to query data from any app or service with a REST API.

SendGrid supported actions

Supabase supported actions

SendGrid and Supabase integration details

SendGrid

SendGrid

SendGrid provides a cloud-based service that assists businesses with email delivery.

Supabase

Supabase

Supabase is an open-source Firebase alternative that provides all the backend features you need to build a product. It provides database storage, along with an easy to use authentication service.

Automate lead management

Using too many marketing tools? n8n lets you orchestrate all your apps into one cohesive, automated workflow.

Learn more

FAQ about SendGrid integrations

Need help setting up your SendGrid and Supabase integration?

Discover our latest community's recommendations and join the discussions about SendGrid and Supabase integration.

  • Rafael Ramos

    RAG supabase error searching for documents: 42883 operator does not exist: extensions.vector <=> extensions.vector null

    Rafael Ramos

    Describe the problem/error/question What is the error message (if any)? Hello everyone! I’m having trouble configuring the retrieval of information after the initial setup process has gone correctly. The database appea&hellip;

    Open topic
  • Malte Mattsson

    Problem with Supabase "Empty Array"

    Malte Mattsson

    Describe the problem/error/question I have two Supabase Vector Store nodes configured identically in “Retrieve Documents (As Tool for AI Agent)” mode, but one returns results while the other returns an empty array. Work&hellip;

    Open topic
  • Jeroen van Amerongen

    Supabase vector DB as a tool retrieval

    Jeroen van Amerongen

    Describe the problem/error/question Unable to retrieve from supabase vector DB node. Insert works fine, Supabase setup is all correct. Tested with meta data search and without but nothing comes back. Embeddings works fin&hellip;

    Open topic
  • Mika De Vries

    Supabase table list empty

    Mika De Vries

    Describe the problem/error/question Currently am i trying to connect supabase to n8n. I create a documents table in supabase using the guide and setup my credential for supabase with gave a succes. But i am not able to &hellip;

    Open topic
  • Sanders Röhling Immobilien

    Help: Can't connect n8n Postgres Account to my Supabase PostgreSQL database

    Sanders Röhling Immobilien

    Hi everyone, I’m currently trying to set up Postgres Chat Memory in n8n using a Supabase Postgres database, but I can’t get it to work and I’m stuck. The screenshots show what I’ve done so far. The credentials save, b&hellip;

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Why

Why use n8n to integrate SendGrid with Supabase

Handle branching, merging and iteration easily. Pause your workflow to wait for external events.

Re-run single steps to test changes in no time. And pin your data to avoid generating trigger events every time you execute.

Your data is displayed alongside your settings, making edge cases easy to track down.

Use 1000+ workflow templates available from our core team and our community.

Copy and paste, easily import and export workflows.

Simple enough to 
understand + sophisticated 
enough to ship