openapi: 3.1.0
info:
  title: Ankr Advanced EVM Validators API
  description: 'The Ankr Advanced API (AAPI) provides a specifically-tailored collection of JSON-RPC

    methods that optimize, index, cache, and store blockchain data across multiple

    EVM-compatible blockchains. The Advanced API exposes three logical groups:

    NFT, Token, and Query.

    '
  version: 1.0.0
  contact:
    name: Ankr
    url: https://www.ankr.com
    email: support@ankr.com
  license:
    name: Ankr Terms of Service
    url: https://www.ankr.com/terms/
servers:
- url: https://rpc.ankr.com/multichain
  description: Public multichain endpoint
- url: https://rpc.ankr.com/multichain/{API_KEY}
  description: Premium multichain endpoint
  variables:
    API_KEY:
      default: API_KEY
      description: Premium Plan project API key
security:
- {}
- ApiKeyAuth: []
tags:
- name: Validators
  description: Validator metadata, unbond times, reward release windows.
paths:
  /v1.0/validators/{chain}:
    get:
      summary: Ankr Get Validators
      description: Returns Ankr-operated validators on a given chain, including unbond windows and reward release schedules.
      operationId: getValidators
      tags:
      - Validators
      parameters:
      - $ref: '#/components/parameters/Chain'
      responses:
        '200':
          description: Successful Response
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ValidatorList'
        4XX:
          $ref: '#/components/responses/ErrorResponse'
components:
  responses:
    ErrorResponse:
      description: Error response.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
  schemas:
    ValidatorList:
      type: array
      items:
        $ref: '#/components/schemas/Validator'
    Validator:
      type: object
      properties:
        address:
          type: string
        chain:
          type: string
        active:
          type: boolean
        unbondPeriodSeconds:
          type: integer
        rewardReleaseSeconds:
          type: integer
    Error:
      type: object
      properties:
        code:
          type: integer
        message:
          type: string
  parameters:
    Chain:
      name: chain
      in: path
      required: true
      schema:
        type: string
        enum:
        - ethereum
        - bsc
        - polygon
        - avalanche
        - fantom
        - polkadot
  securitySchemes:
    ApiKeyAuth:
      type: apiKey
      in: query
      name: API_KEY
      description: Premium Plan API key passed as the trailing path segment.