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Clay vs Clearbit

Clearbit scores higher on the AgentReady, 53/100 against 47/100. They differ on 5 of the 41 signals. Which ones decides whether an agent can adopt them without a person watching.

What each one is

Clay. Clay is a go-to-market data platform that provides data infrastructure, AI agents, orchestration, and execution tools for sales and marketing teams.

Clearbit. Clearbit is a B2B data provider that gathers public data from the web, proprietary data, and uses LLMs to convert unstructured information into precise and standardized data sets.

Where Clay is ahead

Clay passes no mandatory sales call and copyable quickstart, and Clearbit does not. That is adopt, whether an agent can get a key and make its first successful call without a human in the loop.

Where Clearbit is ahead

Clearbit passes clear product positioning, and Clay 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. Clay misses it.

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

What neither does

Both fail llms.txt published, llms-full.txt / full agent docs, structured api reference, openapi / spec quality, pricing understandable, request examples provided, response examples provided, errors and status codes documented, limits / constraints documented, self-service signup, programmatic credential creation, free trial or free allowance, fast time to first request, structured, predictable output, 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. Clearbit leads 87 to 73. Clay misses clear product positioning, llms.txt published, llms-full.txt / full agent docs; Clearbit misses llms.txt published, llms-full.txt / full agent docs.

Understand. Clearbit leads 23 to 15. Clay misses structured api reference, openapi / spec quality, authentication documented, pricing understandable, request examples provided, response examples provided, errors and status codes documented, limits / constraints documented; Clearbit misses structured api reference, openapi / spec quality, pricing understandable, request examples provided, response examples provided, errors and status codes documented, limits / constraints documented.

Adopt. Clay leads 65 to 50. Clay misses self-service signup, programmatic credential creation, free trial or free allowance, fast time to first request; Clearbit misses self-service signup, no mandatory sales call, programmatic credential creation, free trial or free allowance, fast time to first request, copyable quickstart.

Operate is whether an agent can run against it in production and recover when a call fails. Clearbit leads 53 to 35. Clay misses structured, predictable output, machine-readable errors, retry behavior documented, idempotency support, rate-limit behavior predictable, agent compatibility verified; Clearbit misses structured, predictable output, machine-readable errors, retry behavior documented, idempotency support, rate-limit behavior predictable.

Pricing

Clay does not publish a machine-readable starting price. Clearbit does not publish one.

Signal by signal

Which to pick

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

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