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Doppio vs PDF.co

PDF.co scores higher on the AgentReady, 86/100 against 54/100. 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

Doppio. Doppio is a cloud-based API service that generates PDFs and screenshots from HTML without requiring users to run Puppeteer or manage browser infrastructure.

PDF.co. PDF.co is a low-code REST API platform for automating PDF conversion, editing, extraction, and more.

Where Doppio is ahead

Doppio passes limits / constraints documented, and PDF.co does not. That is understand, whether an agent can read the docs and work out how the API behaves before calling it.

Where PDF.co is ahead

PDF.co passes public docs discoverable, llms-full.txt / full agent docs and mcp discoverable, and Doppio 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, openapi / spec quality, request examples provided and errors and status codes documented. Doppio misses those.

And on adopt, no mandatory sales call, programmatic credential creation and mcp integration available. Doppio misses those.

Finally, on operate, machine-readable errors. Doppio misses it.

What neither does

Both fail response examples provided, 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. PDF.co leads 100 to 67. Doppio misses public docs discoverable, llms-full.txt / full agent docs, mcp discoverable; PDF.co misses nothing.

Understand is whether an agent can read the docs and work out how the API behaves before calling it. PDF.co leads 85 to 38. Doppio misses structured api reference, openapi / spec quality, request examples provided, response examples provided, errors and status codes documented; PDF.co misses response examples provided, limits / constraints documented.

Adopt. PDF.co leads 100 to 65. Doppio misses no mandatory sales call, programmatic credential creation, mcp integration available; PDF.co misses nothing.

Operate. PDF.co leads 59 to 47. Doppio misses machine-readable errors, retry behavior documented, idempotency support, rate-limit behavior predictable, agent compatibility verified; PDF.co misses retry behavior documented, idempotency support, rate-limit behavior predictable, agent compatibility verified.

Pricing

Doppio starts at $0/mo and has a free tier. PDF.co does not publish one and has a free tier.

Signal by signal

Which to pick

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

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