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Api2Pdf vs Doppio

Api2Pdf scores higher on the AgentReady, 62/100 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

Api2Pdf. A REST API for generating PDFs and Office documents from HTML, URLs, Microsoft Office Documents (Word, Excel, PPT), Email files, and images.

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.

Where Api2Pdf is ahead

Api2Pdf passes public docs discoverable 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. Doppio misses it.

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

Finally, on operate, agent compatibility verified. Doppio misses it.

Where Doppio is ahead

Doppio passes llms.txt published, and Api2Pdf does not. That is discover, whether an agent can find the product at all without being told it exists.

It also holds understand: limits / constraints documented. Api2Pdf misses it.

And on adopt, agent-compatible signup flow and cli available. Api2Pdf misses those.

Finally, on operate, structured, predictable output and observable execution. Api2Pdf misses those.

What neither does

Both fail llms-full.txt / full agent docs, openapi / spec quality, request examples provided, response examples provided, errors and status codes documented, programmatic credential creation, 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 is whether an agent can find the product at all without being told it exists. Api2Pdf leads 87 to 67. Api2Pdf misses llms.txt published, llms-full.txt / full agent docs; Doppio misses public docs discoverable, llms-full.txt / full agent docs, mcp discoverable.

Understand. Api2Pdf leads 46 to 38. Api2Pdf misses openapi / spec quality, request examples provided, response examples provided, errors and status codes documented, limits / constraints documented; Doppio misses structured api reference, openapi / spec quality, request examples provided, response examples provided, errors and status codes documented.

Adopt. Api2Pdf leads 75 to 65. Api2Pdf misses agent-compatible signup flow, programmatic credential creation, cli available; Doppio misses no mandatory sales call, programmatic credential creation, mcp integration available.

Operate. Doppio leads 47 to 41. Api2Pdf misses structured, predictable output, machine-readable errors, retry behavior documented, idempotency support, rate-limit behavior predictable, observable execution; Doppio misses machine-readable errors, retry behavior documented, idempotency support, rate-limit behavior predictable, agent compatibility verified.

Pricing

Api2Pdf starts at $1/mo and has a free tier. Doppio starts at $0/mo and has a free tier.

Signal by signal

Which to pick

Signal counts are level here, so fit and price decide it. Full profiles: Api2Pdf and Doppio. Alternatives to each: Api2Pdf, Doppio.

An agent can fetch this as data: POST /v1/compare {"slugs": ["api2pdf", "doppio"]}