tZERO

tZERO Proposals API

Shareholder voting — proposal creation and results; off-chain or on-chain (anchored) voting modes

GitHub OpenAPI

Operations 5

GET /api/v1/proposals/ List proposals #
POST /api/v1/proposals/ Create a voting proposal (enters tZERO review) #
GET /api/v1/proposals/{id} Get a proposal with running tallies #
GET /api/v1/proposals/{id}/results Get final results with on-chain anchors #
POST /api/v1/proposals/{id}/cancel Cancel a proposal #

Documentation

📖
Documentation
https://apidocs.tzero.com/docs
📖
APIReference
https://apidocs.tzero.com/docs/explorer
📖
APIReference
https://api.t0direct.com/api/v1/docs/

Specifications

⚙
OpenAPI
https://raw.githubusercontent.com/api-evangelist/tzero/refs/heads/main/openapi/tzero-proposals-api-openapi.yml

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OpenAPI Specification

tzero-proposals-api-openapi.yml Raw ↑ 
openapi: 3.2.0
info:
  title: tZERO Institutional API Documents Proposals 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: Proposals
  description: Shareholder voting — proposal creation and results; off-chain or on-chain (anchored) voting modes
paths:
  /api/v1/proposals/:
    get:
      summary: List proposals
      tags:
      - Proposals
      responses:
        '200':
          description: Default Response
      operationId: getApiV1Proposals
      x-operation-id-source: derived
    post:
      summary: Create a voting proposal (enters tZERO review)
      tags:
      - Proposals
      description: Creates the proposal in PENDING_REVIEW under a Rule 17Ad-2 SLA timer. On approval, voting opens (ON_CHAIN proposals are anchored with their record block + terms hash first). Investors vote in their own portal accounts — votes cannot be submitted through this API. Requires Idempotency-Key.
      responses:
        '200':
          description: Default Response
      operationId: postApiV1Proposals
      x-operation-id-source: derived
  /api/v1/proposals/{id}:
    get:
      summary: Get a proposal with running tallies
      tags:
      - Proposals
      description: Option-level votesCount and sharesVoted update live while voting is OPEN.
      parameters:
      - schema:
          type: string
        in: path
        name: id
        required: true
      responses:
        '200':
          description: Default Response
      operationId: getApiV1ProposalsById
      x-operation-id-source: derived
  /api/v1/proposals/{id}/results:
    get:
      summary: Get final results with on-chain anchors
      tags:
      - Proposals
      description: Available once voting has closed and the tally is final (status TALLIED). For ON_CHAIN proposals includes the open/close anchor transaction hashes, the ballots Merkle root, and the canonical tally hash.
      parameters:
      - schema:
          type: string
        in: path
        name: id
        required: true
      responses:
        '200':
          description: Default Response
      operationId: getApiV1ProposalsByIdResults
      x-operation-id-source: derived
  /api/v1/proposals/{id}/cancel:
    post:
      summary: Cancel a proposal
      tags:
      - Proposals
      description: 'PENDING_REVIEW: withdrawn. OPEN: voting is terminated and the proposal is CANCELLED (ON_CHAIN proposals receive a termination close-anchor). Requires Idempotency-Key.'
      parameters:
      - schema:
          type: string
        in: path
        name: id
        required: true
      responses:
        '200':
          description: Default Response
      operationId: postApiV1ProposalsByIdCancel
      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