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Redocly vs Unkey

Redocly scores higher on the AgentReady, 64/100 against 56/100. They differ on 10 of the 41 signals. Which ones decides whether an agent can adopt them without a person watching.

What each one is

Redocly. Redocly helps companies at any level of API maturity win integrations and foster innovation by turning APIs into their superpower.

Unkey. Unkey is a developer platform for modern APIs that unifies infrastructure, allowing developers to deploy APIs instantly, route traffic through global gateways, and understand usage in one place.

Where Redocly is ahead

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

It also holds adopt: agent-compatible signup flow and mcp integration available. Unkey misses those.

And on operate, structured, predictable output and agent compatibility verified. Unkey misses those.

Where Unkey is ahead

Unkey passes authentication documented and limits / constraints documented, and Redocly does not. That is understand, whether an agent can read the docs and work out how the API behaves before calling it.

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

What neither does

Both fail llms-full.txt / full agent docs, openapi / spec quality, request examples provided, response examples provided, errors and status codes documented, no mandatory sales call, programmatic credential creation, 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. Redocly leads 93 to 80. Redocly misses llms-full.txt / full agent docs; Unkey misses llms-full.txt / full agent docs, mcp discoverable.

Understand. Unkey leads 54 to 38. Redocly misses openapi / spec quality, authentication documented, request examples provided, response examples provided, errors and status codes documented, limits / constraints documented; Unkey misses openapi / spec quality, request examples provided, response examples provided, errors and status codes documented.

Adopt. Redocly leads 60 to 55. Redocly misses no mandatory sales call, programmatic credential creation, fast time to first request, copyable quickstart, official python sdk; Unkey misses no mandatory sales call, agent-compatible signup flow, programmatic credential creation, mcp integration available.

Operate is whether an agent can run against it in production and recover when a call fails. Redocly leads 65 to 35. Redocly misses machine-readable errors, retry behavior documented, idempotency support, rate-limit behavior predictable; Unkey misses structured, predictable output, machine-readable errors, retry behavior documented, idempotency support, rate-limit behavior predictable, agent compatibility verified.

Pricing

Redocly starts at $10/mo with no free tier. Unkey starts at $5/mo and has a free tier.

Signal by signal

Which to pick

Signal counts are level here, so fit and price decide it. Full profiles: Redocly and Unkey. Alternatives to each: Redocly, Unkey.

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