Compare

Crawlbase vs Spider

Spider scores higher on the AgentReady, 72/100 against 68/100. They differ on 6 of the 41 signals. Which ones decides whether an agent can adopt them without a person watching.

What each one is

Crawlbase. Crawlbase provides web crawling, scraping, and parsing APIs at scale.

Spider. Spider is a web data platform that provides an API to render, search, and extract live web content into clean formats.

Where Crawlbase is ahead

Crawlbase passes clear product positioning and public docs discoverable, and Spider does not. That is discover, whether an agent can find the product at all without being told it exists.

Where Spider is ahead

Spider passes structured api reference, and Crawlbase 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 operate: structured, predictable output, retry behavior documented and idempotency support. Crawlbase misses those.

What neither does

Both fail openapi / spec quality, request examples provided, response examples provided, errors and status codes documented, no mandatory sales call, programmatic credential creation, machine-readable errors, 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. Crawlbase leads 100 to 73. Crawlbase misses nothing; Spider misses clear product positioning, public docs discoverable.

Understand. Spider leads 54 to 38. Crawlbase misses structured api reference, openapi / spec quality, request examples provided, response examples provided, errors and status codes documented; Spider misses openapi / spec quality, request examples provided, response examples provided, errors and status codes documented.

Adopt. Both sit at 81/100 here. Crawlbase misses no mandatory sales call, programmatic credential creation; Spider misses no mandatory sales call, programmatic credential creation.

Operate. Spider leads 78 to 53. Crawlbase misses structured, predictable output, machine-readable errors, retry behavior documented, idempotency support, rate-limit behavior predictable; Spider misses machine-readable errors, rate-limit behavior predictable.

Pricing

Crawlbase does not publish a machine-readable starting price and has a free tier. Spider starts at $1/GB and has a free tier.

Signal by signal

Which to pick

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

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