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

# List supported deposit chains



## OpenAPI

````yaml /openapi/extern-fe.json get /extern/fe/intent/discovery/deposit/chains
openapi: 3.1.0
info:
  title: Blend business-api — extern fe
  version: 1.0.0
  description: >-
    Frontend integration surface. Auth: X-Publishable-Key header + SIWE Bearer
    JWT. The account is implicit from the JWT.
servers:
  - url: https://{host}
    variables:
      host:
        default: api.portal.blend.money
security: []
paths:
  /extern/fe/intent/discovery/deposit/chains:
    get:
      tags:
        - fe
      summary: List supported deposit chains
      operationId: fe_getDepositChains
      responses:
        '200':
          description: Success
          content:
            application/json:
              schema:
                type: object
                properties:
                  status:
                    type: string
                    const: success
                  data:
                    type: array
                    items:
                      $ref: '#/components/schemas/SupportedChain'
                required:
                  - status
                  - data
                additionalProperties: false
        '400':
          $ref: '#/components/responses/Error'
        '401':
          $ref: '#/components/responses/Error'
        '403':
          $ref: '#/components/responses/Error'
        '429':
          $ref: '#/components/responses/Error'
        '503':
          $ref: '#/components/responses/Error'
      security:
        - PublishableKey: []
          SiweBearer: []
components:
  schemas:
    SupportedChain:
      type: object
      properties:
        chainId:
          type: number
        name:
          type: string
        displayName:
          type: string
        iconUrl:
          anyOf:
            - type: string
            - type: 'null'
      required:
        - chainId
        - name
        - displayName
        - iconUrl
      additionalProperties: false
  responses:
    Error:
      description: Error
      content:
        application/json:
          schema:
            type: object
            properties:
              status:
                type: string
                const: error
              message:
                type: string
            required:
              - status
              - message
            additionalProperties: false
  securitySchemes:
    PublishableKey:
      type: apiKey
      in: header
      name: X-Publishable-Key
      description: Tenant publishable key (pk_live_...)
    SiweBearer:
      type: http
      scheme: bearer
      bearerFormat: JWT
      description: SIWE session JWT issued by POST /auth/verify

````