Apollo Library of Technical Specifications

1Current Specs

link v1.0 provides @link and @id, the fundamental core schema linking directives.

federation v2.9 provides graph composition primitives for use in subgraphs.

incremental v0.2 provides specification and client usage details for the response format used with the @defer and @stream directives.

join v0.3 declaratively describes joins between types in a supergraph.

tag v0.2 attaches a single piece of string metadata to various locations in a schema

inaccessible v0.2 masks fields and types from a graph’s public API

kotlin_labs v0.5 incubating directives supported by the Apollo Kotlin client

nullability v0.4 incubating directives to work with nullability

cost v0.1 adds cost metadata to a schema for demand control

cache v0.3 directives related to caching

fakes v0.0 fakes your GraphQL data

All specifications: