# tZERO Issuance & Secondary Markets API

**Canonical:** https://apis.io/apis/tzero/issuance-secondary-markets/  
**Provider:** tZERO — https://apis.io/providers/tzero/  
**Base URL:** https://gateway-web-api.tzero.com/app  
**Documentation:** https://apidocs.tzero.com/docs/explorer

tZERO Issuance & Secondary Markets API is one of 3 APIs that [tZERO](https://apis.io/providers/tzero/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. Tagged areas include Trading, Onboarding, KYC, Investments, and Market Data. The published artifact set on APIs.io includes an OpenAPI specification, API documentation, and an API reference.

REST/JSON API for creating individual broker-dealer accounts, triggering and reviewing KYC on investors, browsing primary offerings and managing investments, linking bank accounts and moving funds, reading balances, retrieving market schedules and public price history/snapshots, and placing, listing and cancelling orders on the tZERO ATS. Authenticated with an x-apikey header plus a bearer JWT obtained from POST /auth/v1/api/token.

## Machine-readable artifacts (4)

- **OpenAPI** — https://raw.githubusercontent.com/api-evangelist/tzero/refs/heads/main/openapi/tzero-issuance-secondary-markets-openapi.json
- **Documentation** — https://apidocs.tzero.com/docs
- **APIReference** — https://apidocs.tzero.com/docs/explorer
- **APIsJSON** — https://raw.githubusercontent.com/api-evangelist/tzero/refs/heads/main/apis.yml

## Other tZERO APIs (2)

- [tZERO Institutional API](https://apis.io/apis/tzero/institutional/)
- [tZERO FIX API](https://apis.io/apis/tzero/fix/)

## Tags

Trading, Onboarding, KYC, Investments, Market Data

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/tzero/issuance-secondary-markets/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/tzero/.