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

# Create an account

> Signs up with email and password. The account starts at level 0 in `pending` and receives a confirmation email — confirm before signing in to trade. Optional referral code is accepted at signup.



## OpenAPI

````yaml /api-reference/openapi/calibri.yaml post /api/v2/persona/identity/users
openapi: 3.1.0
info:
  title: Calibri API
  version: 1.0.0
  description: >-
    The Calibri API. Discover markets, read live books, place signed orders, and
    manage positions and account data.

    Routed by path prefix to the service that answers it — which is an
    implementation detail, not something a caller has to reason about.
servers:
  - description: Production
    url: https://calibri.io
security: []
tags:
  - name: Health
    description: Service liveness.
    x-displayName: Health
  - name: Events
    description: Discover events and their metadata.
    x-displayName: Events
  - name: Markets
    description: List markets and load market detail for trading.
    x-displayName: Markets
  - name: Series
    description: Recurring event series.
    x-displayName: Series
  - name: Tags
    description: Editorial shelves used to browse the catalogue.
    x-displayName: Tags
  - name: Market Data
    description: Order book, depth, trade tape, tickers, and candles.
    x-displayName: Market Data
  - name: Assets
    description: Underlying asset price history for price-feed markets.
    x-displayName: Assets
  - name: Community
    description: Leaderboard and platform activity.
    x-displayName: Community
  - name: Currencies
    description: Currency registry.
    x-displayName: Currencies
  - name: Trade
    description: Place, list, and cancel orders.
    x-displayName: Trade
  - name: Positions
    description: Your matched contracts.
    x-displayName: Positions
  - name: Wallet
    description: Self-custody Safe, passkey, session keys, and relay.
    x-displayName: Wallet
  - name: Rewards
    description: Maker rebates and referral earnings.
    x-displayName: Rewards
  - name: Account
    description: Balances, ledger, PnL, limits, preferences, and profile.
    x-displayName: Account
  - name: Categories
    description: Categories
    x-displayName: Categories
  - name: Other
    description: Other
    x-displayName: Other
externalDocs:
  description: ''
  url: ''
paths:
  /api/v2/persona/identity/users:
    post:
      tags:
        - Account
      summary: Create an account
      description: >-
        Signs up with email and password. The account starts at level 0 in
        `pending` and receives a confirmation email — confirm before signing in
        to trade. Optional referral code is accepted at signup.
      parameters: []
      requestBody:
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/RegisterRequest'
      responses:
        '201':
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/UserEntity'
          description: ''
      security: []
components:
  schemas:
    RegisterRequest:
      properties:
        captcha_response:
          example: 0.AbCdEf…
          type: string
        data:
          description: Free-form signup metadata, as a JSON *string*.
          example: '{"campaign":"launch"}'
          type: string
        email:
          example: alex@example.com
          type: string
        password:
          example: correct horse battery staple
          type: string
        refid:
          description: The referrer's code, if the signup came through a referral link.
          example: CAL7X2QM
          type: string
      required:
        - email
        - password
      type: object
    UserEntity:
      properties:
        advisor_id:
          example: null
          type:
            - number
            - 'null'
        advisory_id:
          example: null
          type:
            - number
            - 'null'
        aggregator_merchant_user_id:
          example: null
          type:
            - string
            - 'null'
        base_currency_id:
          example: usdc
          type: string
        can_change_password:
          description: >-
            Whether the old→new password change flow applies. False for
            wallet-native and social accounts, which carry a random password the
            holder never set.
          example: true
          type: boolean
        can_link_wallet:
          description: >-
            Whether no wallet is linked yet, so the connect flow should be
            offered.
          example: false
          type: boolean
        created_at:
          example: '2026-07-01T09:12:00Z'
          type: string
        data:
          additionalProperties:
            type: string
          description: Free-form account data.
          example: {}
          type: object
        email:
          example: alex@example.com
          type: string
        entity_type:
          enum:
            - individual
            - business
          example: individual
          type: string
        level:
          description: Verification level, 0–3. Trading gates are expressed against this.
          example: 2
          type: number
        member_id:
          description: The trading identity in atlas. Null until one is provisioned.
          example: 4821
          type:
            - number
            - 'null'
        otp:
          description: Whether 2FA is enabled. A boolean, not the secret.
          example: true
          type: boolean
        parent_user_id:
          example: null
          type:
            - number
            - 'null'
        referral_code:
          example: CAL7X2QM
          type:
            - string
            - 'null'
        referral_link:
          example: https://calibri.io/?ref=CAL7X2QM
          type:
            - string
            - 'null'
        role:
          example: member
          type: string
        state:
          enum:
            - pending
            - active
            - banned
            - deleted
          example: active
          type: string
        uid:
          description: The public account identifier.
          example: ID1A2B3C4D5E
          type: string
        updated_at:
          example: '2026-07-02T14:30:00Z'
          type: string
        user_id:
          example: 4821
          type: number
        wallet_address:
          description: >-
            The linked EOA, if any. Null for accounts that have not linked a
            wallet.
          example: '0xE1188438C85C98aADFf1a88f97764E607B4978C3'
          type:
            - string
            - 'null'
      required:
        - email
        - uid
        - user_id
        - role
        - entity_type
        - base_currency_id
        - level
        - otp
        - state
        - can_change_password
        - can_link_wallet
        - created_at
        - updated_at
      type: object

````

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