API Reference¶
Table of contents
Available APIs¶
API | Endpoint | Access |
---|---|---|
GraphQL | /v1/graphql | Permission rules |
Relay | /v1beta1/relay | Permission rules |
Legacy GraphQL | /v1alpha1/graphql | Permission rules |
Schema/Metadata | /v1/query | Admin only |
Version | /v1/version | Public |
Health | /healthz | Public |
PG Dump | /v1alpha1/pg_dump | Admin only |
Config | /v1alpha1/config | Admin only |
Explain | /v1/graphql/explain | Admin only |
GraphQL API¶
All GraphQL requests for queries, subscriptions and mutations are made to the GraphQL API.
See details at GraphQL API Reference.
Relay API¶
Hasura exposes a Relay schema for GraphQL requests for queries, subscriptions and mutations.
See docs at Relay schema.
See details at Relay GraphQL API Reference.
Schema / metadata API¶
Hasura exposes a schema / metadata API for managing metadata for permissions/relationships or for directly executing SQL on the underlying Postgres.
This is primarily intended to be used as an admin
API to manage the Hasura schema and metadata.
See details at Schema / Metadata API Reference.
Version API¶
The /v1/version
is a public endpoint that responds with the current server version in JSON format.
See details at Version API Reference.
Health check API¶
The /healthz
is a public endpoint that returns the server health status.
See details at Health check API Reference.
pg_dump API¶
The /v1alpha1/pg_dump
is an admin-only endpoint that can be used to execute
pg_dump
on the Postgres instance connected to Hasura. The pg_dump
CLI
tool’s argument can be passed as a POST request body to the API and the response
is sent back to the client.
See details at PG Dump API Reference.
Config API¶
v1alpha1/config
is an admin-only endpoint to get the current server
configuration.
See details at Config API Reference.
Explain API¶
v1/graphql/explain
returns the Postgres plan for a query or subscription based
on the defined permissions.
See details at Explain API Reference.
Supported PostgreSQL types¶
You can refer to the following to know about all PostgreSQL types supported by the Hasura GraphQL engine: