Hasura

Hasura Metadata API

The Hasura Metadata API allows programmatic management of Hasura GraphQL Engine configuration. All requests are POST requests to the /v1/metadata endpoint, supporting operations for managing data sources, tables, relationships, permissions, remote schemas, actions, event triggers, and RESTified endpoints.

Documentation GitHub OpenAPI

Operations 1

POST /v1/metadata Manage Hasura metadata #

Documentation

📖

Documentation

https://hasura.io/docs/2.0/api-reference/metadata-api/index/

📖

APIReference

https://hasura.io/docs/2.0/api-reference/overview/

Specifications

⚙

OpenAPI

https://raw.githubusercontent.com/api-evangelist/hasura/refs/heads/main/openapi/hasura-metadata-api-openapi.yml

Work with this as data

Every API here is available over the APIs.io API and to AI agents over MCP.

MCP server

One button, every client — Claude, Cursor, VS Code and the rest.

https://apis.io/mcp

Tools for apis

7 MCP tools reach this

find_apisBrowse and filter every API in the catalog.
get_api_artifactsOne API's artifacts, grouped by type.
get_openapiThe primary OpenAPI for this API.
find_similar_apisAPIs that look like this one.
apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
resolveTurn a domain, URL or GitHub org into the provider it belongs to.
find_cohortsEvery scored population of providers in the catalog.

All 92 tools →

Call it yourself

curl for this page

This API

curl "https://apis.io/api/v1/apis/hasura-metadata-api"

All apis

curl "https://apis.io/api/v1/apis?limit=25"

Discovery needs no key. Ratings and market analysis are Pro.

Get an API key

Free tier, no form to fill in. Signing in shares your email address with us — we store it to create your key and to recognise you if you sign in with another provider. See our Privacy Policy and Terms.

GitHub Google LinkedIn

A second provider on the same verified email joins the account you already have.

OpenAPI Specification

openapi: 3.2.0
info:
  title: Hasura GraphQL Engine HTTP Metadata API
  description: 'Hasura GraphQL Engine exposes a small set of HTTP APIs in addition to its

    GraphQL endpoint.'
  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: Metadata
  description: Hasura metadata management.
paths:
  /v1/metadata:
    post:
      summary: Manage Hasura metadata
      description: 'Single endpoint for all metadata operations such as tracking tables,

        creating relationships, managing permissions, remote schemas, and

        actions. The request body specifies the metadata `type` (operation)

        and `args`.'
      operationId: metadata
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/MetadataRequest'
      responses:
        '200':
          description: Metadata operation result.
          content:
            application/json:
              schema:
                type: object
                additionalProperties: true
        '400':
          description: Invalid metadata request.
      tags:
      - Metadata
components:
  schemas:
    MetadataRequest:
      type: object
      required:
      - type
      - args
      properties:
        type:
          type: string
          description: The metadata operation, e.g. `pg_track_table`, `export_metadata`, `bulk`.
        version:
          type: integer
          description: Optional metadata API version.
        args:
          description: Arguments for the metadata operation.
          oneOf:
          - type: object
            additionalProperties: true
          - type: array
            items:
              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.