Side by side

Apollo Router vs Mercurius

Both stand on graphql tools. Which one you can start free with, which one lets you read the code, and what each costs once you pay.

Mercurius offers Fastify-oriented GraphQL server and gateway features, with federation, subscriptions, loaders, and query compilation. Operators should enable CSRF prevention themselves and manage the self-hosted installation.

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The facts

	Apollo Router	Mercurius
Free plan	Yes	Yes
Open source	Not published	Not published
Runs on	Not published	API, Self-hosted
Lowest paid plan	Not published	Not published
Plans published	None	None
Maker	Not published	Not published
Website	apollographql.com	mercurius.dev
On graphql tools	#26 of 32	#22 of 32

Apollo Router: what it does well

Mercurius: what it does well

GraphQL subscriptions and batched queries
Federation and gateway implementations
Automatic loaders target 1 + N queries
MIT-licensed self-hosted project
API explorer included

What to know first

CSRF prevention is disabled by default
Requires self-hosted deployment
No published plan prices or trial duration

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