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OpenAPI Specification

openapi: 3.2.0
info:
  title: tZERO Institutional API Documents SubRed Embed API
  description: '## Overview


    The **tZERO Institutional API** — programmatic access to transfer-agent, tokenization, and custody operations for institutional issuers and partners.'
  version: 1.1.0
  contact:
    name: T0kenizer API Support
    email: api@t0direct.com
servers:
- url: https://api.t0direct.com
  description: Production
security:
- ApiKeyAuth: []
tags:
- name: SubRed Embed
paths:
  /api/v1/subred/sessions:
    post:
      summary: Mint an embed-session token
      tags:
      - SubRed Embed
      description: Server-to-server. Issues a short-lived, investor-scoped token for the embeddable plugin. The issuer is taken from the API key; the investor must belong to it.
      responses:
        '200':
          description: Default Response
      operationId: postApiV1SubredSessions
      x-operation-id-source: derived
  /api/v1/subred/embed/me:
    get:
      summary: Resolve the current embed session
      tags:
      - SubRed Embed
      description: Returns the issuer, investor, and scopes carried by the embed-session token.
      responses:
        '200':
          description: Default Response
      operationId: getApiV1SubredEmbedMe
      x-operation-id-source: derived
  /api/v1/subred/embed/securities:
    get:
      summary: List eligible securities
      tags:
      - SubRed Embed
      description: Securities the embed-session investor may currently subscribe to (ACTIVE link, priced NAV, ALLOW eligibility).
      responses:
        '200':
          description: Default Response
      operationId: getApiV1SubredEmbedSecurities
      x-operation-id-source: derived
  /api/v1/subred/embed/wallet:
    get:
      summary: Get investor wallet + buying power
      tags:
      - SubRed Embed
      description: The embed-session investor's bound custodial wallet, on-chain balances, fund URI, and derived buying power. Read-only — never provisions. Pass `securityId` to view the wallet for that security's settlement rail (an EVM security returns its per-chain custody wallet + ERC-20 balance instead of the Stellar wallet).
      responses:
        '200':
          description: Default Response
      operationId: getApiV1SubredEmbedWallet
      x-operation-id-source: derived
  /api/v1/subred/embed/subscriptions:
    post:
      summary: Subscribe (buy) with USDC
      tags:
      - SubRed Embed
      description: Places a held USDC subscription for the embed-session investor and returns deposit instructions.
      responses:
        '200':
          description: Default Response
      operationId: postApiV1SubredEmbedSubscriptions
      x-operation-id-source: derived
  /api/v1/subred/embed/subscriptions/{instructionId}/pay-from-balance:
    post:
      summary: Pay a subscription from custody balance
      tags:
      - SubRed Embed
      description: App-signed USDC transfer from the investor's custodial wallet to the order's deposit address. Memo-idempotent.
      parameters:
      - schema:
          type: string
        in: path
        name: instructionId
        required: true
      responses:
        '200':
          description: Default Response
      operationId: postApiV1SubredEmbedSubscriptionsByInstructionIdPayFromBalance
      x-operation-id-source: derived
  /api/v1/subred/embed/orders/{instructionId}/status:
    get:
      summary: Order status
      tags:
      - SubRed Embed
      description: Live settlement status for one of the embed-session investor's own orders.
      parameters:
      - schema:
          type: string
        in: path
        name: instructionId
        required: true
      responses:
        '200':
          description: Default Response
      operationId: getApiV1SubredEmbedOrdersByInstructionIdStatus
      x-operation-id-source: derived
  /api/v1/subred/embed/redemptions:
    post:
      summary: Redeem for USDC
      tags:
      - SubRed Embed
      description: Places a held USDC redemption for the embed-session investor; USDC is paid to their own wallet.
      responses:
        '200':
          description: Default Response
      operationId: postApiV1SubredEmbedRedemptions
      x-operation-id-source: derived
components:
  securitySchemes:
    ApiKeyAuth:
      type: apiKey
      in: header
      name: X-API-Key
      description: API key generated at app.t0kenizer.com/ta/api-keys