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

# List chains

> Returns all supported chains with their configuration, including confirmation strategy, block times, and polling schedules.



## OpenAPI

````yaml GET /chains
openapi: 3.1.0
info:
  title: Crycket API
  description: >-
    Payment infrastructure API enabling peer-to-peer and merchant-to-consumer
    stablecoin payments on Solana, Base, and Tempo.
  version: 1.0.0
servers:
  - url: https://api.crycketpay.com/v1
    description: Production
security:
  - bearerAuth: []
paths:
  /chains:
    get:
      summary: List supported chains
      description: >-
        Returns all supported chains with their configuration, including
        confirmation strategy, block times, and polling schedules.
      operationId: listChains
      responses:
        '200':
          description: List of supported chains
          content:
            application/json:
              schema:
                type: object
                properties:
                  chains:
                    type: array
                    items:
                      $ref: '#/components/schemas/Chain'
        '401':
          $ref: '#/components/responses/Unauthorized'
components:
  schemas:
    Chain:
      type: object
      properties:
        caip2:
          type: string
          description: CAIP-2 chain identifier
        name:
          type: string
          example: Solana
        blockTimeMs:
          type: number
        confirmationStrategy:
          type: string
          enum:
            - commitment_levels
            - block_count
            - single_block
        nativeToken:
          type:
            - string
            - 'null'
        tokens:
          type: array
          items:
            type: string
          description: Supported token symbols on this chain
    ErrorResponse:
      type: object
      properties:
        error:
          type: object
          properties:
            code:
              type: string
              description: >-
                Machine-readable error code in `resource.error_type` dot
                notation
              example: intent.already_fulfilled
            message:
              type: string
              description: Human-readable error message
            param:
              type:
                - string
                - 'null'
              description: Field name if this is a validation error
            details:
              type:
                - object
                - 'null'
              description: Additional context about the error
  responses:
    Unauthorized:
      description: Invalid or missing API key
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ErrorResponse'
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer
      description: API key. Use `pk_live_*` for production or `pk_test_*` for test mode.

````