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2captcha vs hCaptcha

2captcha scores higher on the AgentReady, 58/100 against 47/100. They differ on 7 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.

hCaptcha. hCaptcha is a privacy-first online security platform that protects services from automated and human threats while preserving user privacy.

Where 2captcha is ahead

2captcha passes clear product positioning, llms-full.txt / full agent docs and mcp discoverable, and hCaptcha does not. That is discover, whether an agent can find the product at all without being told it exists.

It also holds adopt: mcp integration available. hCaptcha misses it.

And on operate, structured, predictable output. hCaptcha misses it.

Where hCaptcha is ahead

hCaptcha 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 adopt: cli available. 2captcha misses it.

What neither does

Both fail structured api reference, openapi / spec quality, request examples provided, response examples provided, errors and status codes documented, limits / constraints documented, no mandatory sales call, agent-compatible signup flow, programmatic credential creation, machine-readable errors, retry behavior documented, idempotency support, rate-limit behavior predictable, agent compatibility verified. 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. 2captcha leads 87 to 67. 2captcha misses public docs discoverable; hCaptcha misses clear product positioning, llms-full.txt / full agent docs, mcp discoverable.

Understand. Both sit at 31/100 here. 2captcha misses structured api reference, openapi / spec quality, request examples provided, response examples provided, errors and status codes documented, limits / constraints documented; hCaptcha misses structured api reference, openapi / spec quality, request examples provided, response examples provided, errors and status codes documented, limits / constraints documented.

Adopt. 2captcha leads 65 to 55. 2captcha misses no mandatory sales call, agent-compatible signup flow, programmatic credential creation, cli available; hCaptcha misses no mandatory sales call, agent-compatible signup flow, programmatic credential creation, mcp integration available.

Operate. 2captcha leads 47 to 35. 2captcha misses machine-readable errors, retry behavior documented, idempotency support, rate-limit behavior predictable, agent compatibility verified; hCaptcha misses structured, predictable output, machine-readable errors, retry behavior documented, idempotency support, rate-limit behavior predictable, agent compatibility verified.

Pricing

2captcha starts at $0.5 per 1000 with no free tier. hCaptcha starts at $0/mo and has a free tier.

Signal by signal

Which to pick

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

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