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

# POST /auth/sign-in-wallet

**URL:** [https://xapi.duelduck.com/auth/sign-in-wallet](https://xapi.duelduck.com/auth/sign-in-wallet)

Authenticates a user using a connected crypto wallet (e.g., Solana Phantom). Accepts wallet-related data and returns user data with JWT tokens.

### **Request**

Wallet sign in request. Secret is the signature of the public address in base64 format.

**Type:** object. **Request content type:** application / json . Body:

```text theme={"dark"}
{
  "address": "string",
  "project_id": "string",
  "secret": "string"
}
```

### **Responses**

**Response content type:** application / json .

#### Code 200

Successfully authenticated.

```text theme={"dark"}
{
  "jwt_info": {
    "access_token": "string",
    "refresh_token": "string"
  },
  "user": {
    "created_at": "string",
    "email": "string",
    "id": "string",
    "is_active": true,
    "project_id": "string",
    "role": 0,
    "updated_at": "string",
    "wallet_address": "string"
  }
}
```

#### Code 400

Invalid request data.

```text theme={"dark"}
{
  "message": "string",
  "status": 0
}
```

#### Code 401

Unauthorized - Invalid wallet signature or data.

```text theme={"dark"}
{
  "message": "string",
  "status": 0
}
```

#### Code 403

Forbidden - Bot detected - verification failed.

```text theme={"dark"}
{
  "message": "string",
  "status": 0
}
```

#### Code 404

User not found.

```text theme={"dark"}
{
  "message": "string",
  "status": 0
}
```

#### Code 500

Internal server error.

```text theme={"dark"}
{
  "message": "string",
  "status": 0
}
```