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2captcha vs ScraperAPI

ScraperAPI scores higher on the AgentReady, 66/100 against 58/100. 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

2captcha. Captcha solving service that provides API-based captcha solving for developers and captcha entry work for workers.

ScraperAPI. ScraperAPI is a web scraping API service that allows users to collect data from any public website without worrying about proxies, browsers, or CAPTCHA handling.

Where 2captcha is ahead

2captcha passes official python sdk, and ScraperAPI does not. That is adopt, whether an agent can get a key and make its first successful call without a human in the loop.

It also holds operate: structured, predictable output. ScraperAPI misses it.

Where ScraperAPI is ahead

ScraperAPI passes public docs discoverable, and 2captcha does not. That is discover, whether an agent can find the product at all without being told it exists.

It also holds understand: structured api reference. 2captcha misses it.

And on adopt, agent-compatible signup flow. 2captcha misses it.

Finally, on operate, agent compatibility verified. 2captcha misses it.

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, cli available, 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. ScraperAPI leads 100 to 87. 2captcha misses public docs discoverable; ScraperAPI misses nothing.

Understand is whether an agent can read the docs and work out how the API behaves before calling it. ScraperAPI leads 46 to 31. 2captcha misses structured api reference, openapi / spec quality, request examples provided, response examples provided, errors and status codes documented, limits / constraints documented; ScraperAPI misses openapi / spec quality, request examples provided, response examples provided, errors and status codes documented, limits / constraints documented.

Adopt. Both sit at 65/100 here. 2captcha misses no mandatory sales call, agent-compatible signup flow, programmatic credential creation, cli available; ScraperAPI misses no mandatory sales call, programmatic credential creation, official python sdk, cli available.

Operate. ScraperAPI leads 53 to 47. 2captcha misses machine-readable errors, retry behavior documented, idempotency support, rate-limit behavior predictable, agent compatibility verified; ScraperAPI misses structured, predictable output, machine-readable errors, retry behavior documented, idempotency support, rate-limit behavior predictable.

Pricing

2captcha starts at $0.5 per 1000 with no free tier. ScraperAPI does not publish one with no free tier.

Signal by signal

Which to pick

ScraperAPI clears more of the signals an agent needs, so it is the safer default for unattended use. Full profiles: 2captcha and ScraperAPI. Alternatives to each: 2captcha, ScraperAPI.

An agent can fetch this as data: POST /v1/compare {"slugs": ["2captcha", "scraperapi"]}