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Linkup vs Perplexity

Perplexity scores higher on the AgentReady, 68/100 against 67/100. They differ on 21 of the 41 signals. Which ones decides whether an agent can adopt them without a person watching.

What each one is

Linkup. Web Search API for AI with industry-leading accuracy, providing web search built for AI applications via one API call or deployed inside your own cloud.

Perplexity. Perplexity is an AI-powered search and answer platform that provides fast and accurate answers from trusted sources.

Where Linkup is ahead

Linkup passes clear canonical domain, clear product positioning and mcp discoverable, and Perplexity 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. Perplexity misses it.

And on adopt, self-service signup, no mandatory sales call, agent-compatible signup flow, free trial or free allowance, fast time to first request, cli available and mcp integration available. Perplexity misses those.

Where Perplexity is ahead

Perplexity passes structured api reference, openapi / spec quality, request examples provided, response examples provided, errors and status codes documented and limits / constraints documented, and Linkup does not. That is understand, whether an agent can read the docs and work out how the API behaves before calling it.

It also holds adopt: programmatic credential creation. Linkup misses it.

And on operate, machine-readable errors, idempotency support and rate-limit behavior predictable. Linkup misses those.

What neither does

Both fail retry behavior documented, 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. Linkup leads 100 to 67. Linkup misses nothing; Perplexity misses clear canonical domain, clear product positioning, mcp discoverable.

Understand is whether an agent can read the docs and work out how the API behaves before calling it. Perplexity leads 92 to 31. Linkup misses structured api reference, openapi / spec quality, request examples provided, response examples provided, errors and status codes documented, limits / constraints documented; Perplexity misses pricing understandable.

Adopt. Linkup leads 90 to 35. Linkup misses programmatic credential creation; Perplexity misses self-service signup, no mandatory sales call, agent-compatible signup flow, free trial or free allowance, fast time to first request, cli available, mcp integration available.

Operate. Perplexity leads 76 to 47. Linkup misses machine-readable errors, retry behavior documented, idempotency support, rate-limit behavior predictable, agent compatibility verified; Perplexity misses retry behavior documented, agent compatibility verified.

Pricing

Linkup starts at $0.001 and has a free tier. Perplexity does not publish one.

Signal by signal

Which to pick

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

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