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

# List supported chains

> Returns all supported chains with their name and coinType. Use the chain name (e.g. `eth`, `base`) or coinType number (e.g. `60`, `2147492101`) when fetching addresses via `/addresses/:name` or `/profile/:name`.

List supported chain names and coin types for address resolution. Use this endpoint to validate chain filters before calling address or profile endpoints.


## OpenAPI

````yaml /openapi/resolvio.json GET /ens/v2/chains
openapi: 3.0.0
info:
  title: Resolvio API
  description: >-
    ENS Resolution Service - Resolve ENS names, addresses, profiles and bulk
    reverse resolve
  version: '1.0'
  contact:
    name: Development Team
    url: https://namespace.ninja
    email: arti@namespace.ninja
  license:
    name: MIT
    url: https://opensource.org/licenses/MIT
servers:
  - url: https://api.resolvio.xyz
    description: Production
security: []
tags:
  - name: Forward Resolution
    description: Resolve ENS names to addresses, text records, and content hashes
  - name: Reverse Resolution
    description: Resolve Ethereum addresses to ENS names
paths:
  /ens/v2/chains:
    get:
      tags:
        - Forward Resolution
      summary: List supported chains
      description: >-
        Returns all supported chains with their name and coinType. Use the chain
        name (e.g. `eth`, `base`) or coinType number (e.g. `60`, `2147492101`)
        when fetching addresses via `/addresses/:name` or `/profile/:name`.
      operationId: EnsForwardController_getSupportedChains
      parameters: []
      responses:
        '200':
          description: Array of supported chain descriptors

````