---
title: "Standards implementations registry"
method: GET
path: "/v5/implementations"
---

# Standards implementations registry

`GET /v5/implementations`

## Request

- Base URL: `https://headlessoracle.com`
- URL: `https://headlessoracle.com/v5/implementations`
- Auth: none declared

Returns known implementations of environment.market_state (Verifiable Intent environment.* family) and its predecessor working-spec protocols (SMA, MPAS, APTS — brand-retired, concepts preserved). No authentication required. Submit your own via the submit_url field.

## Response `200`

Implementations registry

- object
  - `standards` object
  - `total_implementations` integer
  - `last_updated` string

---

[API](https://skmtc.dev/headlessoracle/apis/headless-oracle.md) · [All operations](https://skmtc.dev/headlessoracle/apis/headless-oracle/llms.txt) · [OpenAPI document](https://skmtc.dev/headlessoracle/apis/headless-oracle/revisions/4e82fe332f29?raw)