Hosting & Deployment

Zappa

Deploy WSGI applications on AWS Lambda and API Gateway with ease.

Status
Generally available
Last checked
Checked · Oct 12, 2026
License
Open source
Pricing
Free tier · from $0
Visit Zappa Compare with alternatives

What it is

Zappa is a tool for deploying Python-based web applications written in the WSGI framework to AWS Lambda and API Gateway, enabling serverless execution. It simplifies the process of setting up and managing cloud deployments without requiring deep knowledge of AWS services.

Zappa stands out by simplifying the deployment of Python WSGI applications on AWS Lambda and API Gateway, making serverless architecture accessible to developers familiar with Python web frameworks like Flask and Django.

When it fits — and when it doesn’t

A good fit for

  • Developers looking for a simple way to deploy Flask or Django apps on AWS Lambda without deep knowledge of AWS services.

  • Teams that want to leverage serverless architecture but prefer using Python and familiar web frameworks.

Look elsewhere if

  • Projects requiring real-time processing or low-latency responses, as cold start times can be significant with AWS Lambda.

  • Applications needing complex orchestration across multiple services beyond what Zappa provides out-of-the-box.

Known weaknesses

Each one links to the public issue, changelog or docs page it came from, where we have one.

  1. 01

    Limited language support beyond Python

    Primary focus on Python, limited official support for other languages

  2. 02

    Performance overhead due to cold start issues in AWS Lambda

    Cold starts can introduce latency in serverless applications

What it does well

  • Serverless deployment of Python WSGI applications on AWS Lambda and API Gateway.

  • Automatic configuration and management of AWS resources.

  • Support for continuous integration and deployment workflows.

  • Integration with popular Python web frameworks like Flask and Django.

Pricing

Free tier
YesOpen source — free to use
Paid from
$0
Model
Flat rate
Enterprise plan
No

Pricing not independently confirmed — check the vendor’s page.

Performance benchmarks

How Fast Is It?

Set up Zappa

Setup steps, common gotchas and what to check after 30 days.

Open the setup guide →
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