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Porter vs Railway

Railway scores higher on the AgentReady, 87/100 against 55/100. They differ on 12 of the 41 signals. Which ones decides whether an agent can adopt them without a person watching.

What each one is

Porter. Porter is a platform as a service (PaaS) that runs in your own cloud.

Railway. Railway is an all-in-one intelligent cloud provider that makes it easy to provision infrastructure, develop locally, and deploy to the cloud.

Where Porter is ahead

Porter passes search discoverable and public docs discoverable, and Railway does not. That is discover, whether an agent can find the product at all without being told it exists.

It also holds adopt: fast time to first request, copyable quickstart, official typescript sdk and official python sdk. Railway misses those.

And on operate, canonical workflow succeeds, retry behavior documented and observable execution. Railway misses those.

Where Railway is ahead

Railway passes clear product positioning, and Porter does not. That is discover, whether an agent can find the product at all without being told it exists.

It also holds understand: authentication documented. Porter misses it.

And on operate, agent compatibility verified. Porter misses it.

What neither does

Both fail structured api reference, openapi / spec quality, request examples provided, response examples provided, errors and status codes documented, limits / constraints documented, no mandatory sales call, programmatic credential creation, structured, predictable output, machine-readable errors, idempotency support, rate-limit behavior predictable. If your agent needs any of those, you will be building it yourself either way.

Score, pillar by pillar

The AgentReady splits into four pillars, scored separately, because a product can be easy to find and still impossible to adopt.

Discover. Porter leads 87 to 83. Porter misses clear product positioning; Railway misses search discoverable, public docs discoverable.

Understand is whether an agent can read the docs and work out how the API behaves before calling it. Railway leads 100 to 23. Porter misses structured api reference, openapi / spec quality, authentication documented, request examples provided, response examples provided, errors and status codes documented, limits / constraints documented; Railway misses structured api reference, openapi / spec quality, request examples provided, response examples provided, errors and status codes documented, limits / constraints documented.

Adopt. Railway leads 88 to 70. Porter misses no mandatory sales call, agent-compatible signup flow, programmatic credential creation; Railway misses no mandatory sales call, programmatic credential creation, fast time to first request, copyable quickstart, official typescript sdk, official python sdk.

Operate. Railway leads 78 to 41. Porter misses structured, predictable output, machine-readable errors, idempotency support, rate-limit behavior predictable, agent compatibility verified; Railway misses canonical workflow succeeds, structured, predictable output, machine-readable errors, retry behavior documented, idempotency support, rate-limit behavior predictable, observable execution.

Pricing

Porter starts at $6/mo with no free tier. Railway does not publish one and has a free tier.

Signal by signal

Which to pick

Porter clears more of the signals an agent needs, so it is the safer default for unattended use. Full profiles: Porter and Railway. Alternatives to each: Porter, Railway.

An agent can fetch this as data: POST /v1/compare {"slugs": ["porter", "railway"]}