> ## Documentation Index
> Fetch the complete documentation index at: https://developers.fireblocks.com/llms.txt
> Use this file to discover all available pages before exploring further.

<AgentInstructions>

## Submitting Feedback

If you encounter incorrect, outdated, or confusing documentation on this page, submit feedback:

POST https://developers.fireblocks.com/feedback

```json
{
  "path": "/api-reference/staking/get-chain-level-staking-parameters",
  "feedback": "Description of the issue"
}
```

Only submit feedback when you have something specific and actionable to report.

</AgentInstructions>

# Get chain-level staking parameters

> Returns chain-specific staking information such as epoch/slot cadence, lockup or unbonding periods, fee/reward mechanics, and other operational constraints.



## OpenAPI

````yaml https://docs.fireblocks.com/api/v1/swagger.yaml get /staking/chains/{chainDescriptor}/chainInfo
openapi: 3.0.0
info:
  title: Fireblocks API
  description: >
    Fireblocks provides a suite of applications to manage digital asset
    operations and a complete development platform to build your business on the
    blockchain.


    - Visit our website for more information: [Fireblocks
    Website](https://fireblocks.com)

    - Visit our developer docs: [Fireblocks
    DevPortal](https://developers.fireblocks.com)
  version: 1.6.2
  contact:
    email: developers@fireblocks.com
servers:
  - url: https://api.fireblocks.io/v1
    description: Fireblocks Production Environment Base URL
  - url: https://sandbox-api.fireblocks.io/v1
    description: Fireblocks Sandbox Environment Base URL
security: []
paths:
  /staking/chains/{chainDescriptor}/chainInfo:
    get:
      tags:
        - Staking
      summary: Get chain-level staking parameters
      description: >-
        Returns chain-specific staking information such as epoch/slot cadence,
        lockup or unbonding periods, fee/reward mechanics, and other operational
        constraints.
      operationId: getChainInfo
      parameters:
        - name: chainDescriptor
          required: true
          in: path
          description: >-
            Protocol identifier for the chain info staking operation (e.g.,
            ETH/MATIC/SOL).
          schema:
            $ref: '#/components/schemas/ChainDescriptor'
      responses:
        '200':
          description: Chain-specific staking information returned successfully.
          headers:
            X-Request-ID:
              $ref: '#/components/headers/X-Request-ID'
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ChainInfoResponse'
        '400':
          description: >-
            Bad request: missing/invalid fields, unsupported amount, or
            malformed payload.
          headers:
            X-Request-ID:
              $ref: '#/components/headers/X-Request-ID'
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorSchema'
        '403':
          description: >-
            Forbidden: insufficient permissions, disabled feature, or restricted
            provider/validator.
          headers:
            X-Request-ID:
              $ref: '#/components/headers/X-Request-ID'
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorSchema'
        '404':
          description: >-
            Not found: requested resource does not exist (e.g., position,
            validator, provider, or wallet).
          headers:
            X-Request-ID:
              $ref: '#/components/headers/X-Request-ID'
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorSchema'
        '429':
          description: 'Rate limit exceeded: slow down and retry later.'
          headers:
            X-Request-ID:
              $ref: '#/components/headers/X-Request-ID'
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorSchema'
        '500':
          description: Internal error while processing the request.
          headers:
            X-Request-ID:
              $ref: '#/components/headers/X-Request-ID'
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorSchema'
        default:
          $ref: '#/components/responses/Error'
      x-codeSamples:
        - lang: TypeScript
          source: >-
            const response: Promise<FireblocksResponse<ChainInfoResponse>> =
            fireblocks.staking.getChainInfo(stakingApiGetChainInfoRequest);
        - lang: Java
          source: >-
            CompletableFuture<ApiResponse<ChainInfoResponse>> response =
            fireblocks.staking().getChainInfo(chainDescriptor);
        - lang: Python
          source: response = fireblocks.staking.get_chain_info(chain_descriptor);
components:
  schemas:
    ChainDescriptor:
      type: string
      description: Protocol identifier for the staking operation.
      enum:
        - ATOM_COS
        - AXL
        - AXL_TEST
        - CELESTIA
        - DYDX_DYDX
        - ETH
        - ETH_TEST6
        - ETH_TEST_HOODI
        - INJ_INJ
        - MANTRA
        - MATIC
        - OSMO
        - POL
        - POL_TEST
        - SOL
        - SOL_TEST
        - STETH_ETH
        - STETH_ETH_TEST6_DZFA
        - STETH_ETH_TEST_HOODI
    ChainInfoResponse:
      type: object
      properties:
        chainDescriptor:
          type: string
          example: SOL
          description: The protocol identifier (e.g. "ETH"/"SOL").
        currentEpoch:
          type: number
          example: 483
          description: The current epoch number of the blockchain network.
        epochElapsed:
          type: number
          example: 0.31
          description: >-
            The percentage of time that has elapsed within the current epoch,
            represented as a decimal value between 0 and 1.
        epochDuration:
          type: number
          example: 172800000
          description: The total duration in milliseconds of a single epoch.
        additionalInfo:
          $ref: '#/components/schemas/AdditionalInfo'
        lastUpdated:
          type: number
          example: 1706602061938
          description: timestamp (in milliseconds) of last update time
      required:
        - chainDescriptor
        - currentEpoch
        - epochElapsed
        - epochDuration
        - additionalInfo
        - lastUpdated
    ErrorSchema:
      type: object
      properties:
        message:
          type: string
        code:
          type: number
    AdditionalInfo:
      type: object
      description: >-
        Additional information related to the blockchain. This may include extra
        details about the blockchain network.
      properties:
        estimatedAnnualReward:
          type: number
          deprecated: true
          example: 6.48
          description: >-
            The estimated annual reward rate for the blockchain, represented as
            a decimal percentage value.
        lockupPeriod:
          type: number
          example: 172800000
          description: >-
            The duration of the lockup period for certain actions on the
            blockchain, measured in milliseconds.
        activationPeriod:
          type: number
          example: 172800000
          description: >-
            The duration of the activation period for certain actions on the
            blockchain, measured in milliseconds.
      required:
        - estimatedAnnualReward
        - lockupPeriod
        - activationPeriod
  headers:
    X-Request-ID:
      schema:
        type: string
      description: >-
        Unique ID correlated to the API request. Please provide it in any
        support ticket you create or on Github issues related to Fireblocks SDKs
  responses:
    Error:
      description: Error Response
      headers:
        X-Request-ID:
          $ref: '#/components/headers/X-Request-ID'
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ErrorSchema'

````