tZERO

tZERO Investments API

Investments and assets (create, update, submit, cancel, agreements).

GitHub OpenAPI

Operations 8

GET /pi/v1/assets Get assets #
POST /pi/v1/assets/{assetId}/investments Create investment #
PUT /pi/v1/assets/{assetId}/investments Update investment #
PUT /pi/v1/assets/{assetId}/investments/{investmentId}/payment Add Payment details to the investment on file #
GET /pi/v1/investments/accounts/{accountId} Get all investments for account #
POST /pi/v1/investments/{investmentId}/submit Submit investment #
DELETE /pi/v1/investments/{investmentId} Cancel investment #
POST /pi/v1/assets/{assetId}/investments/{investmentId}/agreement Sign MSA for investment #

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-investments-api-openapi.yml

Work with this as data

Every API here is available over the APIs.io API and to AI agents over MCP.

MCP server

One button, every client — Claude, Cursor, VS Code and the rest.

https://apis.io/mcp

Tools for apis

7 MCP tools reach this
  • find_apisBrowse and filter every API in the catalog.
  • get_api_artifactsOne API's artifacts, grouped by type.
  • get_openapiThe primary OpenAPI for this API.
  • find_similar_apisAPIs that look like this one.
  • apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
  • resolveTurn a domain, URL or GitHub org into the provider it belongs to.
  • find_cohortsEvery scored population of providers in the catalog.
All 92 tools →

Call it yourself

curl for this page
This API 
curl "https://apis.io/api/v1/apis/tzero:tzero-investments-api"
All apis 
curl "https://apis.io/api/v1/apis?limit=25"

Discovery needs no key. Ratings and market analysis are Pro.

Get an API key

Free tier, no form to fill in. Signing in shares your email address with us — we store it to create your key and to recognise you if you sign in with another provider. See our Privacy Policy and Terms.

GitHub Google LinkedIn

A second provider on the same verified email joins the account you already have.

OpenAPI Specification

tzero-investments-api-openapi.yml Raw ↑ 
openapi: 3.2.0
info:
  title: Issuance & Secondary Markets Investments API
  description: APIs to Create Individual broker dealer accounts, Trigger KYC on the investors in the account, Review account information and KYC results, View Primary offering that are available to invest and manage investments in the assets.
servers:
- url: https://gateway-web-api.tzero.com/app
tags:


# --- truncated at 32 KB (34 KB total) ---
# Full source: https://raw.githubusercontent.com/api-evangelist/tzero/refs/heads/main/openapi/tzero-investments-api-openapi.yml