Hot Chocolate

Hot Chocolate is an open-source GraphQL Server for .NET

Type: server

Website: https://github.com/ChilliCream/hotchocolate

Features

Feature	Supported Since	Note
MutationsJul 2015
QueriesJul 2015
SubscriptionsJun 2018
Repeatable DirectivesOct 2021
@specifiedByOct 2021
Directives on Variable DefinitionsOct 2021
Interfaces on InterfacesOct 2021
@oneOfSep 2025	13.0.0
Deprecated input valuesSep 2025
Executable documents descriptionsSep 2025	16.0.0	pr
'application/graphql-response+json' media typedraft	13.0.0	pr
'@defer'ExperimentalRFC2	16.0.0	Hot Chocolate supports `@defer` using the `incremental v0.2` protocol since 16.0.0 and using the older protocol since 13.0.0 (doc)
'@stream'ExperimentalRFC2	16.0.0	Hot Chocolate supports `@stream` using the `incremental v0.2` protocol since 16.0.0 and using the older protocol since 13.0.0 (doc)
Directives on directivesExperimentalRFC2	-
Fragment ArgumentsExperimentalRFC2	0.8.0
'onError' request parameterExperimentalRFC1	16.0.0
Deprecated objectsExperimentalRFC1	-
Service capabilitiesExperimentalRFC1	16.0.0
Field extensionsExperimentalRFC0	?	Know the status of this feature? Let us know!
@semanticNonNullExperimental	14.0.0
Automatic Persisted QueriesExperimental
HTTP batchingExperimental	16.0.0	operation batching has been available since 13.0.0. Variable batching with 16.0.0 (doc)
Persisted DocumentsExperimental		The protocol for persisted documents is still TBD
Semantic IntrospectionExperimental	16.0.0