openapi: 3.1.0 info: title: Hasura Engine HTTP APIs Graphql V1beta1 API description: 'Hasura GraphQL Engine exposes a small set of HTTP APIs in addition to its GraphQL endpoint. This specification documents the most commonly used endpoints: GraphQL queries/mutations/subscriptions, Relay GraphQL, the Metadata API, the Schema API, the PG Dump API, the Explain API, the Health Check API, the Source Health Check API, the Config API, and the Version API. Authentication: When the engine is started with HASURA_GRAPHQL_ADMIN_SECRET, requests must include the `x-hasura-admin-secret` header (or a valid JWT). Roles and session variables are passed via `x-hasura-role` and any `x-hasura-*` session headers. ' version: 2.0.0 contact: name: Hasura url: https://hasura.io/docs/2.0/api-reference/overview/ servers: - url: https://my-graphql-engine.example.com description: Self-hosted Hasura GraphQL Engine security: - adminSecret: [] - bearerAuth: [] tags: - name: V1beta1 paths: /v1beta1/relay: post: summary: Execute a Relay-compatible GraphQL operation operationId: relayGraphql requestBody: required: true content: application/json: schema: $ref: '#/components/schemas/GraphQLRequest' responses: '200': description: GraphQL response. content: application/json: schema: $ref: '#/components/schemas/GraphQLResponse' tags: - V1beta1 components: schemas: GraphQLRequest: type: object required: - query properties: query: type: string description: The GraphQL query string. operationName: type: string description: Name of the operation to execute, if multiple are provided. variables: type: object description: Variables for the GraphQL operation. additionalProperties: true GraphQLResponse: type: object properties: data: type: object additionalProperties: true errors: type: array items: type: object additionalProperties: true extensions: type: object additionalProperties: true securitySchemes: adminSecret: type: apiKey in: header name: x-hasura-admin-secret description: Admin secret configured via HASURA_GRAPHQL_ADMIN_SECRET. bearerAuth: type: http scheme: bearer bearerFormat: JWT description: JWT token, when JWT authentication is configured.