Heroku vs Railway for hosting an API

If you’re choosing Heroku vs Railway for hosting an API, the best choice depends on what you value most: simplicity/stability vs modern DX and flexibility.

Quick take

• Choose Heroku if you want a very mature platform, strong docs, predictable workflows, and you don’t mind paying more for convenience.
• Choose Railway if you want a smoother developer experience, quick setup, attractive pricing for small projects, and more modern deployment flow.

Heroku

Pros

• Very mature and battle-tested
• Easy deployment with Git/CLI
• Solid ecosystem and add-ons
• Great documentation and community
• Good for production apps that need a tried-and-true platform

Cons

• Can get expensive, especially as you scale
• Fewer “modern” developer experience niceties compared to newer platforms
• Dyno-based pricing can feel less transparent
• Free tier is no longer the big advantage it once was

Railway

Pros

• Very fast to get started
• Great developer experience
• Easy to deploy APIs, databases, workers
• Usually simpler pricing for small-to-medium projects
• Nice for prototypes, side projects, and startups

Cons

• Less mature than Heroku
• Smaller ecosystem
• Fewer long-term “enterprise” signals than Heroku
• You may need to pay attention to usage-based costs as projects grow

For an API specifically

Railway is often the better choice if:

• you’re deploying a small/medium API
• you want to move fast
• you want easy integration with Postgres/Redis/etc.
• you’re okay with a newer platform

Heroku is often better if:

• you want a proven platform with a long track record
• your team already knows Heroku
• you need a standard, low-friction production environment
• you don’t mind the cost

My recommendation

• Prototype / startup / side project: Railway
• Stable production app / team already familiar with it: Heroku

If you want, I can also give you a feature-by-feature comparison table or recommend the best option based on your API stack (Node, Python, Go, FastAPI, Express, etc.).