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

# List registered chains

> Returns every blockchain network in this deployment's registry with the contract addresses bound on it. An entry without a settlement contract is listed for reads but cannot settle: the chains a leg may name are `chains.settlement_chains` on `GET /v1/platforms/me/capabilities`, and the chain registrations are sent to is `chains.execution.escrow_chain_id` there.



## OpenAPI

````yaml /api-reference/openapi.json get /v1/chains
openapi: 3.1.0
info:
  title: Keystone API
  description: Settlement orchestration API for tokenized Real-World Assets (RWAs).
  version: 0.9.0
  x-keystone-api-contract-version: 0.9.0
  x-keystone-source-revision: c094c5ec38de81d550cde98e6366efaac99cffea
servers:
  - url: https://api-staging.keystoneos.xyz
    description: Staging (sandbox)
  - url: https://api.keystoneos.xyz
    description: Production
security:
  - bearerAuth: []
tags:
  - name: health
    description: Health and version checks.
  - name: platforms
    description: Register and manage your platform profile.
  - name: environments
    description: Manage platform environments (sandbox, production).
  - name: settlement-templates
    description: View and manage settlement templates.
  - name: settlements
    description: Initiate, monitor, and manage settlements.
  - name: sessions
    description: Create and manage browser-safe session tokens for frontend widgets.
  - name: instructions
    description: Submit and manage settlement instructions.
  - name: invitations
    description: Invite team members to your platform.
  - name: members
    description: Manage platform team members and roles.
  - name: webhooks
    description: Configure webhook endpoints for real-time event notifications.
  - name: security
    description: IP allowlisting and API access controls.
  - name: activity
    description: Audit trail of platform actions.
  - name: dashboard
    description: Dashboard metrics and statistics.
  - name: callbacks
    description: Provider callback handlers (internal).
  - name: alchemy-webhooks
    description: Alchemy blockchain event webhooks (internal).
  - name: chains
    description: Supported blockchain networks for settlement.
  - name: admin
    description: KeyStone internal administration endpoints.
  - name: admin-platforms
    description: Admin platform management.
  - name: admin-settlements
    description: Admin settlement oversight and intervention.
  - name: admin-compliance
    description: Admin compliance check management.
  - name: admin-activity
    description: Admin system-wide activity logs.
  - name: admin-webhooks
    description: Admin webhook diagnostics.
  - name: internal
    description: Keystone-internal worker endpoints.
  - name: internal-compliance
    description: Internal compliance engine endpoints.
paths:
  /v1/chains:
    get:
      tags:
        - chains
      summary: List registered chains
      description: >-
        Returns every blockchain network in this deployment's registry with the
        contract addresses bound on it. An entry without a settlement contract
        is listed for reads but cannot settle: the chains a leg may name are
        `chains.settlement_chains` on `GET /v1/platforms/me/capabilities`, and
        the chain registrations are sent to is
        `chains.execution.escrow_chain_id` there.
      operationId: list_supported_chains_v1_chains_get
      responses:
        '200':
          description: Successful Response
          content:
            application/json:
              schema:
                items:
                  $ref: '#/components/schemas/ChainRead'
                type: array
                title: Response List Supported Chains V1 Chains Get
components:
  schemas:
    ChainRead:
      properties:
        chain_id:
          type: integer
          title: Chain Id
        name:
          type: string
          title: Name
        layerzero_eid:
          anyOf:
            - type: integer
            - type: 'null'
          title: Layerzero Eid
        escrow_address:
          anyOf:
            - type: string
            - type: 'null'
          title: Escrow Address
          description: >-
            Deprecated: the same value as settlement_address, kept for existing
            clients.
        settlement_address:
          anyOf:
            - type: string
            - type: 'null'
          title: Settlement Address
        router_address:
          anyOf:
            - type: string
            - type: 'null'
          title: Router Address
        compliance_registry_address:
          anyOf:
            - type: string
            - type: 'null'
          title: Compliance Registry Address
      type: object
      required:
        - chain_id
        - name
        - layerzero_eid
        - escrow_address
        - settlement_address
        - router_address
        - compliance_registry_address
      title: ChainRead
      description: |-
        Public chain information returned to API consumers.

        Exposes the v2 contract address set per chain. In cross-chain v2 every
        chain runs its own KeystoneSettlement, KeystoneRouter and immutable
        ComplianceRegistry. ``escrow_address`` duplicates ``settlement_address``
        for clients that read the older name.
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer
      bearerFormat: JWT
      description: >-
        Auth0 JWT access token. See
        [Authentication](/getting-started/authentication) for details.

````