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

# Register a wallet

> Submit the registration form for a wallet.

The first step of the bank-transfer flow. Everything after it — terms of
service, identity verification, and the account itself — depends on the wallet
being registered.

Returns 204 with no body. Read
[Get onboarding status](/api/virtual-accounts/status) to pick up the new
facts.


## OpenAPI

````yaml api/openapi.json POST /v1/virtual-accounts/register
openapi: 3.1.0
info:
  description: Fiat-to-USDC onramp API. The URL prefix (`/v1`) is the version contract.
  license:
    identifier: LicenseRef-Proprietary
    name: Proprietary
  title: Calm API
  version: v1
servers:
  - description: Production
    url: https://api.calmtreasury.xyz
  - description: Sandbox
    url: https://api.sandbox.calmtreasury.xyz
security: []
paths:
  /v1/virtual-accounts/register:
    post:
      summary: Register a wallet
      description: >-
        Submits the registration form (name + email) for the wallet. Returns
        204; re-read `GET /v1/virtual-accounts/status` to pick up the new facts.
      operationId: registerWallet
      requestBody:
        content:
          application/json:
            schema:
              properties:
                email:
                  type: string
                first_name:
                  maxLength: 256
                  minLength: 2
                  type: string
                last_name:
                  maxLength: 256
                  minLength: 2
                  type: string
                wallet:
                  pattern: ^0x[a-fA-F0-9]{40}$
                  type: string
              required:
                - wallet
                - first_name
                - last_name
                - email
              type: object
        required: true
      responses:
        '204':
          description: Registration accepted.
        '400':
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
          description: >-
            Bad Request — `error.code` includes: bad_customer_request,
            invalid_parameters, publishable_key_missing, validation_error.
        '401':
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
          description: 'Unauthorized — `error.code` includes: invalid_publishable_key.'
        '403':
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
          description: 'Forbidden — `error.code` includes: origin_not_allowed.'
        '409':
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
          description: 'Conflict — `error.code` includes: already_registered.'
        '429':
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
          description: 'Too Many Requests — `error.code` includes: rate_limited.'
        '502':
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
          description: >-
            Bad Gateway — an upstream dependency failed; the body carries the
            standard error envelope with a cause-specific `error.code`.
      security:
        - publishableKey: []
components:
  schemas:
    Error:
      properties:
        error:
          properties:
            code:
              type: string
            message:
              type: string
          required:
            - code
            - message
          type: object
      required:
        - error
      type: object
  securitySchemes:
    publishableKey:
      description: Publishable key identifying the calling app.
      in: header
      name: x-calm-publishable-key
      type: apiKey

````