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

# Associate Wallet

> Creates a wallet association after signature verification.

### Endpoint

`POST /api/dapp/wallet/associate`

Creates a wallet association after signature verification.

### Request Body

Send JSON matching the schema shown in the generated API panel.

### Usage Example

```bash theme={null}
curl -X POST "https://backend-global.gains.trade/api/dapp/wallet/associate"
```

### Response Structure

The generated API panel lists the response schema for status codes: 200, 500. Error responses generally return an `error` or `message` field.


## OpenAPI

````yaml post /api/dapp/wallet/associate
openapi: 3.0.3
info:
  title: Gains Network Backend API
  version: 1.0.0
  description: >-
    OpenAPI reference for Gains Network backend-global and public chain-specific
    trading backend endpoints.
servers:
  - url: https://backend-global.gains.trade
    description: Backend Global API
  - url: https://backend-arbitrum.gains.trade
    description: Arbitrum trading backend
  - url: https://backend-base.gains.trade
    description: Base trading backend
  - url: https://backend-polygon.gains.trade
    description: Polygon trading backend
  - url: https://backend-sepolia.gains.trade
    description: Arbitrum Sepolia trading backend
  - url: http://localhost:3002
    description: Local backend-global development server
security: []
tags:
  - name: Health
  - name: Stats
  - name: APR
  - name: Trading History
  - name: Personal Trading History
  - name: Leaderboard
  - name: Holding Rates
  - name: Contests
  - name: Dapp
  - name: Wallet
  - name: Circle
  - name: Solana
  - name: Transak
  - name: Bridge
  - name: Campaigns
  - name: VIP
  - name: Notifications
  - name: Referrals
  - name: Trading Backend
  - name: Legacy Contests
  - name: Rewards
paths:
  /api/dapp/wallet/associate:
    post:
      tags:
        - Wallet
      summary: Associate Wallet
      description: Creates a wallet association after signature verification.
      operationId: post_associate-wallet
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              required:
                - evmAddress
                - chainId
                - signedMessage
                - expectedPublicKey
              properties:
                evmAddress:
                  type: string
                chainId:
                  type: integer
                signedMessage:
                  type: string
                expectedPublicKey:
                  type: string
      responses:
        '200':
          description: Successful response
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Success'
        '500':
          description: Internal server error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
components:
  schemas:
    Success:
      type: object
      properties:
        success:
          type: boolean
      additionalProperties: true
    Error:
      type: object
      properties:
        error:
          type: string
        message:
          type: string
        success:
          type: boolean
      additionalProperties: true

````