What is a dyno on Heroku?

A dyno is a lightweight container that runs a single command from your app, such as a web server or a background worker. Heroku manages the underlying machines for you. Scaling means changing the number of dynos or their size, and you're billed per dyno per month.

Which programming languages does Heroku support?

Heroku officially supports Node.js, Python, Ruby, Java, Go, PHP, Scala, and Clojure through buildpacks. If your language has a community buildpack, you can usually run it too. This multi-language support is one of the main reasons small teams pick it.

How much does Heroku cost?

Basic dynos start at $7 per month, and Heroku pricing climbs through Standard, Performance, and Shield tiers depending on your needs. A typical production app with a web dyno, a worker, and a managed Postgres database often lands between $25 and $100 a month. Add-ons and extra dynos push that higher.

Does Heroku have an API?

Yes. Heroku offers a REST API for managing apps, dynos, add-ons, and releases, along with the Heroku CLI and platform tools built on top of it. If you need API access for automation, it's available on standard plans.

Can Heroku run AI agents?

Yes, and it's a growing focus. Heroku supports Model Context Protocol (MCP), which lets AI agents reach platform resources through a standard interface. Combined with its compute and managed data services, that makes it a practical home for agent-driven apps, especially for teams already using Salesforce.

Who should use Heroku in 2026?

Developers and small teams who value deploy simplicity over lowest cost. If you'd rather push code and let someone else run the servers, and you can absorb the monthly bill, Heroku still does that job well. If you need maximum control or bare-metal pricing, a general cloud provider will fit better and cost far less once your traffic grows.

Heroku

Salesforce · Coding

Heroku is a cloud platform as a service (PaaS) that lets you deploy, run, and scale applications without managing servers yourself. You push code with Git, and Heroku handles the runtime, networking, and scaling behind it. It supports popular languages like Node.js, Python, Ruby, Java, Go, and PHP, plus managed databases through add-ons. The platform has been owned by Salesforce since 2010, and pricing now runs on a consumption model built around dynos. It suits developers who want app hosting to stay out of the way. The old free tier is gone, so nothing here is genuinely free.

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About Heroku

What Is Heroku

Heroku is one of the original cloud platform as a service products, first launched in 2007 and acquired by Salesforce in 2010. The pitch hasn't changed much in nearly two decades: you write an app, push it to Heroku with Git, and the platform builds and runs it for you. No load balancers to configure, no operating system to patch.

That simplicity is the whole point. Heroku manages the runtime environment, so a small team can ship a backend API or a full-stack web app without hiring someone to babysit servers. Managed data services, add-ons, and one-command deploys cover most of what a typical project needs to get to production. The setup is fast.

The main catch is cost. Heroku removed its free product plans at the end of 2022, so you pay from the first dyno onward. Small side projects that once ran for nothing now start around $7 a month per dyno. Databases and caching stack on top. If your goal is the cheapest possible app hosting, Heroku isn't competing there anymore.

Getting Started

Create a Heroku account and verify it with a credit card, since the platform no longer offers a free tier.
Install the Heroku CLI (it needs Git), then run heroku login in your terminal.
Prepare your app with a supported language and add a Procfile or buildpack so Heroku knows how to run it.
Deploy with git push heroku main, then open the app with heroku open.
Add a managed database or other add-ons with heroku addons:create as your project grows.

Product Information

A quick look at Heroku's pricing, supported platforms, and performance.

Free PlanNo

Paid Plans$7 - $500+/mo

PlatformWeb

DeveloperSalesforce

CategoryCoding

Release DateMay 2007

Latest UpdatedAug 2025

Website Visits1M

Website Global Rank42.7K

API AvailabilityYes

Best for

The users, tasks, and scenarios where this tool fits best.

Users

Solo developers and small teams who want app hosting without server maintenance, and can budget for a paid dyno from day one.
Backend and full-stack engineers shipping REST APIs, workers, or web apps in Node.js, Python, Ruby, or Java who prefer Git-based deploys over container plumbing.
Teams already inside the Salesforce world that want a managed runtime close to their existing data and workflows.

Tasks

Deploying a web app or API straight from a Git repository without writing infrastructure config.
Running scheduled jobs and background workers alongside your app on the same platform.
Spinning up a managed Postgres or Redis instance and wiring it to your app with a single command.
Prototyping a product idea fast, then scaling dynos up or down as traffic changes.

Scenarios

Shipping a first version of a SaaS backend before traffic justifies a more complex setup.
Hosting internal tools and admin dashboards for a small company without a dedicated ops person.
Moving an early-stage app off a laptop and onto a real URL in an afternoon.

Key features

Git-based deploys

You deploy by pushing to a Heroku remote, the same way you'd push to GitHub. Heroku detects your language, installs dependencies, builds the app, and releases it. Rollbacks are one command if a deploy goes bad. That takes the stress out of shipping on a Friday.

Dynos and simple scaling

Apps run on dynos, lightweight containers that Heroku manages for you. Scaling is a number: add more dynos for web traffic, or run a worker dyno for background jobs. You don't provision machines or tune a scheduler. So what's the catch? Dynos are priced per unit, and a busy app that needs several web dynos plus a worker running around the clock can quietly turn a small monthly bill into a much larger one before you notice.

Managed data services

Heroku offers Postgres, Redis, and Kafka through add-ons, all provisioned and connected with a single CLI command. Credentials land in your app's config automatically, so there's no manual connection string juggling and no chance you'll paste a production password into the wrong environment file by accident. That's it.

Multi-language support

Heroku runs Node.js, Python, Ruby, Java, Go, PHP, Scala, and Clojure through official buildpacks. You pick your stack; the platform adapts. That's the point. That flexibility means a small team can keep using the language it already knows rather than rewriting a working codebase just to match the constraints of a particular host.

Add-ons marketplace

Beyond databases, the add-on marketplace covers logging, monitoring, email, search, and more. Each add-on attaches to your app and shows up in the same dashboard. It's a fast way to get production tooling without signing up for five separate services and stitching their credentials into your config by hand at two in the morning.

Heroku Pipelines and review apps

Pipelines link your staging and production apps so you can promote a build through environments. Review apps spin up a temporary instance for each pull request, so teammates can click a real URL before merging. Small teams get continuous delivery without extra tooling. No CI setup required.

Heroku MCP for AI agents

Heroku now exposes Model Context Protocol (MCP) support, letting AI agents interact with platform resources through a standardized interface. It's part of Salesforce's push to connect apps and agents on the same foundation. For developers building agent-driven workflows, it's a way to reach real-time app context and compute without wiring up a pile of custom integrations by hand.

Pros and cons

Pros

Deploying is genuinely simple: push code, get a URL, skip the server setup entirely. No SSH keys to manage and no firewall rules to get wrong at midnight. Simple as that.
Strong multi-language support, so you aren't locked into one stack.
Managed Postgres, Redis, and add-ons connect with a single command.
Review apps and pipelines bring continuous delivery to small teams without extra work.
Long-running platform with well-documented behavior and a familiar Git workflow.

Cons

No free tier since late 2022, so even a tiny app starts around $7 a month per dyno.
Costs scale fast once you add dynos, databases, and add-ons; a modest production setup can run well past $100 a month.
Dyno restarts happen daily, which means apps must handle brief interruptions gracefully.
Compared with raw cloud providers, you pay a convenience premium and get less low-level control.

Frequently asked questions

No. Heroku ended its free product plans on November 28, 2022, closing free dynos and free data services to prevent abuse and fraud. Every app now runs on a paid plan, starting around $7 a month for a Basic dyno. You can still explore the platform through a paid trial, but there's no permanent free tier.

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