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Hookdeck vs Svix

Svix scores higher on the AgentReady, 61/100 against 56/100. They differ on 11 of the 41 signals. Which ones decides whether an agent can adopt them without a person watching.

What each one is

Hookdeck. Reliable infrastructure to work with webhooks and external events — without managing it yourself.

Svix. Svix is an open source and enterprise-ready webhooks service that makes sending webhooks easy and reliable.

Where Hookdeck is ahead

Hookdeck passes mcp discoverable, and Svix does not. That is discover, whether an agent can find the product at all without being told it exists.

It also holds adopt: no mandatory sales call and mcp integration available. Svix misses those.

And on operate, retry behavior documented. Svix misses it.

Where Svix is ahead

Svix passes llms-full.txt / full agent docs and machine-readable metadata, and Hookdeck 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. Hookdeck misses it.

And on adopt, agent-compatible signup flow and official python sdk. Hookdeck misses those.

Finally, on operate, idempotency support and agent compatibility verified. Hookdeck misses those.

What neither does

Both fail structured api reference, openapi / spec quality, authentication documented, request examples provided, response examples provided, errors and status codes documented, programmatic credential creation, structured, predictable output, machine-readable errors, 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. Both sit at 87/100 here. Hookdeck misses llms-full.txt / full agent docs, machine-readable metadata; Svix misses mcp discoverable.

Understand. Svix leads 31 to 23. Hookdeck misses structured api reference, openapi / spec quality, authentication documented, request examples provided, response examples provided, errors and status codes documented, limits / constraints documented; Svix misses structured api reference, openapi / spec quality, authentication documented, request examples provided, response examples provided, errors and status codes documented.

Adopt. Hookdeck leads 71 to 65. Hookdeck misses agent-compatible signup flow, programmatic credential creation, official python sdk; Svix misses no mandatory sales call, programmatic credential creation, mcp integration available.

Operate is whether an agent can run against it in production and recover when a call fails. Svix leads 59 to 41. Hookdeck misses structured, predictable output, machine-readable errors, idempotency support, rate-limit behavior predictable, agent compatibility verified; Svix misses structured, predictable output, machine-readable errors, retry behavior documented, rate-limit behavior predictable.

Pricing

Hookdeck starts at $0/mo and has a free tier. Svix starts at $0/mo and has a free tier.

Signal by signal

Which to pick

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

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