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Adyen vs RevenueCat

Adyen scores higher on the AgentReady, 55/100 against 50/100. 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

Adyen. One platform for payments, data, and financial products.

RevenueCat. RevenueCat is a platform that helps app developers build and grow their app business by powering purchases, managing customer data, and growing revenue on iOS, Android, and the web.

Where Adyen is ahead

Adyen passes llms-full.txt / full agent docs and mcp discoverable, and RevenueCat 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. RevenueCat misses it.

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

Where RevenueCat is ahead

RevenueCat passes self-service signup, fast time to first request and copyable quickstart, and Adyen does not. That is adopt, whether an agent can get a key and make its first successful call without a human in the loop.

What neither does

Both fail structured api reference, openapi / spec quality, authentication documented, 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, 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. Adyen leads 100 to 80. Adyen misses nothing; RevenueCat misses llms-full.txt / full agent docs, mcp discoverable.

Understand. Both sit at 23/100 here. Adyen misses structured api reference, openapi / spec quality, authentication documented, request examples provided, response examples provided, errors and status codes documented, limits / constraints documented; RevenueCat misses structured api reference, openapi / spec quality, authentication documented, request examples provided, response examples provided, errors and status codes documented, limits / constraints documented.

Adopt. RevenueCat leads 60 to 50. Adyen misses self-service signup, no mandatory sales call, programmatic credential creation, fast time to first request, copyable quickstart, cli available; RevenueCat misses no mandatory sales call, programmatic credential creation, cli available, mcp integration available.

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

Pricing

Adyen starts at $0.13 with no free tier. RevenueCat starts at 1% of MTR and has a free tier.

Signal by signal

Which to pick

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

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