# Begin Wallet Registration

**POST /v1/auth/wallets/registrations/begin**

Initiates a wallet registration request for the specified user. This endpoint will return a challenge that must be signed by the private key of the wallet address you are registering against the user. Once verified, we will attach the wallet to the user specified.

## HTTP Request

`POST /v1/auth/wallets/registrations/begin`

## Returns

A successful response returns a `WalletRegistration` object.


## Servers
- Production: https://api.moonkey.fun (Production)


## Authentication methods
- Authorization


## Parameters



### Body: application/json (object)

- **wallet_type** (string)
  Determines the type of wallet to register. Possible values: ethereum, solana (more coming soon!).
- **public_address** (string)
  Public wallet address of the wallet.
- **user_id** (string)
  Unique user ID to associate the wallet with. If left blank/omitted and no user is previously attached to this wallet, we will create a user. Otherwise. we will return the user_id of attached to this wallet in the response.


## Responses
### 200
OK

#### Body: application/json (object)
- **id** (string)

- **app_id** (string)

- **user_id** (string)

- **public_address** (string)

- **wallet_type** (string)

- **challenge** (string)

- **updated_at** (number)

- **created_at** (number)



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