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GoCardless vs Lago

GoCardless scores higher on the AgentReady, 61/100 against 39/100. They differ on 16 of the 41 signals. Which ones decides whether an agent can adopt them without a person watching.

What each one is

GoCardless. GoCardless is a payment platform that enables businesses to collect and send payments, minimise failures, and fight fraud.

Lago. Lago is a billing platform that provides API access for pushing customer information and metrics (events) from applications to a billing system.

Where GoCardless is ahead

GoCardless passes clear canonical domain, clear product positioning, public docs discoverable, llms.txt published, llms-full.txt / full agent docs and machine-readable metadata, and Lago does not. That is discover, whether an agent can find the product at all without being told it exists.

It also holds understand: pricing understandable. Lago misses it.

And on adopt, self-service signup, free trial or free allowance, fast time to first request, copyable quickstart and cli available. Lago misses those.

Finally, on operate, retry behavior documented and observable execution. Lago misses those.

Where Lago is ahead

Lago passes no mandatory sales call, and GoCardless 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: agent compatibility verified. GoCardless 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, agent-compatible signup flow, programmatic credential creation, structured, predictable output, machine-readable errors, 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. GoCardless leads 100 to 47. GoCardless misses nothing; Lago misses clear canonical domain, clear product positioning, public docs discoverable, llms.txt published, llms-full.txt / full agent docs, machine-readable metadata.

Understand. GoCardless leads 31 to 23. GoCardless misses structured api reference, openapi / spec quality, request examples provided, response examples provided, errors and status codes documented, limits / constraints documented; Lago misses structured api reference, openapi / spec quality, pricing understandable, request examples provided, response examples provided, errors and status codes documented, limits / constraints documented.

Adopt. GoCardless leads 70 to 45. GoCardless misses no mandatory sales call, agent-compatible signup flow, programmatic credential creation; Lago misses self-service signup, agent-compatible signup flow, programmatic credential creation, free trial or free allowance, fast time to first request, copyable quickstart, cli available.

Operate. GoCardless leads 44 to 41. GoCardless misses structured, predictable output, machine-readable errors, idempotency support, rate-limit behavior predictable, agent compatibility verified; Lago misses structured, predictable output, machine-readable errors, retry behavior documented, idempotency support, rate-limit behavior predictable, observable execution.

Pricing

GoCardless does not publish a machine-readable starting price and has a free tier. Lago does not publish one.

Signal by signal

Which to pick

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

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