Polkadot

Polkadot health API

Health check

GitHub OpenAPI

Operations 3

GET /v1/health Health check #
GET /healthz Liveness health check
GET /readiness Readiness health check

Documentation

📖
Documentation
https://support.subscan.io/
📖
RateLimits
https://raw.githubusercontent.com/api-evangelist/polkadot/refs/heads/main/rate-limits/subscan.yml
📖
Documentation
https://docs.polkadot.com/chain-interactions/query-data/query-rest/
📖
Documentation
https://github.com/paritytech/polkadot-rest-api

Specifications

⚙
OpenAPI
https://raw.githubusercontent.com/api-evangelist/polkadot/refs/heads/main/openapi/polkadot-health-api-openapi.yml

SDKs

📦
GitHubRepository
https://github.com/paritytech/substrate-api-sidecar
📦
GitHubRepository
https://github.com/paritytech/polkadot-rest-api

Other Resources

🔗
PostmanCollection
https://documenter.getpostman.com/view/1618960/TVCe1oRU
🔗
Plans
https://raw.githubusercontent.com/api-evangelist/polkadot/refs/heads/main/plans/subscan.yml
🔗
FinOps
https://raw.githubusercontent.com/api-evangelist/polkadot/refs/heads/main/finops/subscan.yml

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OpenAPI Specification

polkadot-health-api-openapi.yml Raw ↑ 
openapi: 3.2.0
info:
  title: Polkadot Health API
  version: '1.0'
  description: 'Operations tagged health across 2 of this provider''s published API definitions: polkadot-rest-api-openapi.json, subscan-swagger.yaml. Each path carries the servers of the definition it was published in.'
servers:
- url: http://localhost:8080/v1
  description: Localhost
- url: https://https://www.subscan.io/
tags:
- name: health
  description: Health check
paths:
  /v1/health:
    get:
      tags:
      - health
      summary: Health check
      description: Returns the health status of the API server.
      operationId: get_health
      responses:
        '202':
          description: API is healthy
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/HealthResponse'
    servers:
    - url: http://localhost:8080/v1
      description: Localhost
  /healthz:
    get:
      description: Returns OK when the service process is alive.
      responses:
        '200':
          description: OK
          content:
            application/json:
              schema:
                type: string
      summary: Liveness health check
      tags:
      - health
      x-synonyms:
      - liveness
      - health
      - check
      - healthz
    servers:
    - url: https://https://www.subscan.io/
  /readiness:
    get:
      description: Returns OK when the service is ready to serve traffic.
      responses:
        '200':
          description: OK
          content:
            application/json:
              schema:
                type: string
      summary: Readiness health check
      tags:
      - health
      x-synonyms:
      - readiness
      - health
      - check
    servers:
    - url: https://https://www.subscan.io/
components:
  schemas:
    HealthResponse:
      type: object
      required:
      - status
      properties:
        connected_chains:
          type:
          - integer
          - 'null'
          minimum: 0
        status:
          type: string
        uptime:
          type:
          - integer
          - 'null'
          format: int64
          minimum: 0
x-refined-from:
- polkadot-rest-api-openapi.json
- subscan-swagger.yaml