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Speakeasy vs Stoplight

Speakeasy scores higher on the AgentReady, 64/100 against 48/100. 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

Speakeasy. Speakeasy is an AI control plane platform for securely scaling enterprise AI.

Stoplight. Stoplight is a collaborative platform equipping teams with tooling across the API lifecycle to help them build quality APIs efficiently.

Where Speakeasy is ahead

Speakeasy passes clear canonical domain, clear product positioning, llms.txt published, llms-full.txt / full agent docs and mcp discoverable, and Stoplight 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. Stoplight misses it.

And on adopt, copyable quickstart and mcp integration available. Stoplight misses those.

Finally, on operate, agent compatibility verified. Stoplight misses it.

Where Stoplight is ahead

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

It also holds adopt: self-service signup and cli available. Speakeasy misses those.

What neither does

Both fail openapi / spec quality, request examples provided, response examples provided, errors and status codes documented, limits / constraints documented, no mandatory sales call, programmatic credential creation, fast time to first request, machine-readable errors, retry behavior documented, 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 is whether an agent can find the product at all without being told it exists. Speakeasy leads 87 to 53. Speakeasy misses search discoverable; Stoplight misses clear canonical domain, clear product positioning, llms.txt published, llms-full.txt / full agent docs, mcp discoverable.

Understand. Speakeasy leads 46 to 38. Speakeasy misses openapi / spec quality, request examples provided, response examples provided, errors and status codes documented, limits / constraints documented; Stoplight misses openapi / spec quality, authentication documented, request examples provided, response examples provided, errors and status codes documented, limits / constraints documented.

Adopt. Both sit at 55/100 here. Speakeasy misses self-service signup, no mandatory sales call, programmatic credential creation, fast time to first request, cli available; Stoplight misses no mandatory sales call, programmatic credential creation, fast time to first request, copyable quickstart, mcp integration available.

Operate. Speakeasy leads 67 to 47. Speakeasy misses machine-readable errors, retry behavior documented, idempotency support, rate-limit behavior predictable; Stoplight misses machine-readable errors, retry behavior documented, idempotency support, rate-limit behavior predictable, agent compatibility verified.

Pricing

Speakeasy does not publish a machine-readable starting price with no free tier. Stoplight starts at $44/mo and has a free tier.

Signal by signal

Which to pick

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

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