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Automating Outreach with Python + Vercel

February 5, 2025 FastAPI · Supabase · Vercel

Not every organization needs HubSpot. Most of my retainers just need a reliable way to capture leads, score them and notify the right BD rep within minutes. A tiny Python worker on Vercel does that without monthly surprises.

Python automation pipelines dashboard

The Stack

We deploy a FastAPI endpoint to Vercel’s serverless runtime. It validates payloads, enriches them with Clearbit and writes each submission to Supabase. The same function hits the Microsoft Graph API so sales gets a Teams ping before the prospect closes the tab.

Why Serverless Wins Here

Outreach traffic is spiky—expo weekends get 10x more submissions than a normal Tuesday. Vercel scales to zero when nobody is browsing and fans out instantly during live events. Logs flow to Vercel Analytics so we can prove to compliance that every payload was processed.

Need to run the worker inside a private network? The same repository deploys to Docker or Fly.io so regulated clients can keep data on sovereign soil.

Operational Guardrails

Integrations rot when marketing changes a form field without telling engineering. I ship a JSON schema along with the endpoint, then add a GitHub action that runs contract tests whenever a new form version appears. BD leadership can see daily delivery stats in a Looker Studio tile, so any drop-off triggers a Slack alert.

Security + Compliance Notes

Payloads are encrypted with customer-managed keys, secrets live in Doppler, and every request receives a risk score before it’s written to Supabase. Need on-prem? The same FastAPI app ships as a Docker image with SOC2-ready logging.

Team Enablement

Ops and marketing get a Notion playbook—API references, troubleshooting tree, and escalation contacts. Quarterly drills walk the team through simulated outages so everyone knows how to fail over within minutes.

Want This Automation Playbook?

I handle audits, implementation and 12/5 monitoring for GCC enterprises.

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