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Nimbleway vs Valyu

Nimbleway scores higher on the AgentReady, 87/100 against 62/100. 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

Nimbleway. Nimbleway provides expert-level web search, crawling, and research agents for AI applications.

Valyu. Search and deep research API for AIs doing knowledge work.

Where Nimbleway is ahead

Nimbleway passes structured api reference, openapi / spec quality, request examples provided, response examples provided and errors and status codes documented, and Valyu 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: programmatic credential creation. Valyu misses it.

And on operate, machine-readable errors, rate-limit behavior predictable, observable execution and agent compatibility verified. Valyu misses those.

Where Valyu is ahead

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

It also holds adopt: no mandatory sales call. Nimbleway misses it.

What neither does

Both fail authentication documented, agent-compatible signup flow, retry behavior documented, idempotency support. 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. Valyu leads 100 to 87. Nimbleway misses clear product positioning; Valyu misses nothing.

Understand is whether an agent can read the docs and work out how the API behaves before calling it. Nimbleway leads 92 to 31. Nimbleway misses authentication documented; Valyu misses structured api reference, openapi / spec quality, authentication documented, request examples provided, response examples provided, errors and status codes documented.

Adopt. Both sit at 80/100 here. Nimbleway misses no mandatory sales call, agent-compatible signup flow; Valyu misses agent-compatible signup flow, programmatic credential creation.

Operate. Nimbleway leads 88 to 35. Nimbleway misses retry behavior documented, idempotency support; Valyu misses machine-readable errors, retry behavior documented, idempotency support, rate-limit behavior predictable, observable execution, agent compatibility verified.

Pricing

Nimbleway does not publish a machine-readable starting price and has a free tier. Valyu starts at $29/mo and has a free tier.

Signal by signal

Which to pick

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

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