# Helious Boards API

**Canonical:** https://apis.io/apis/helious-io/helious-io-boards-api/  
**Provider:** Helious — https://apis.io/providers/helious-io/  
**Base URL:** https://api.helious.io  
**Documentation:** https://helious.io/developers/

Helious Boards API is one of 12 APIs that [Helious](https://apis.io/providers/helious-io/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. This API exposes 2 JSON Schema definitions. Tagged areas include Boards. The published artifact set on APIs.io includes an OpenAPI specification and 2 JSON Schemas.

The FX momentum, implied volatility, correlation and Hormuz boards: newest reading plus history.

## Operations (19)

| Method | Path | Summary |
|---|---|---|
| GET | `/v1/nasdaq100` | The NASDAQ-100, ranked best to worst on the session |
| GET | `/v1/fx` | FX momentum board: newest reading and history |
| GET | `/api/seo/fx` | FX momentum sample (JSON) |
| GET | `/api/seo/fx.csv` | FX momentum sample (CSV) |
| GET | `/v1/vol` | Implied volatility board: newest reading and history |
| GET | `/api/seo/vol` | Implied volatility sample (JSON) |
| GET | `/api/seo/vol.csv` | Implied volatility sample (CSV) |
| GET | `/v1/correlations` | Cross-asset correlation matrix: newest reading and history |
| GET | `/v1/imbalance` | Helious market imbalance: market-on-open and market-on-close reads |
| GET | `/v1/imbalance/{symbol}` | One name's auction imbalance prints in one session |
| GET | `/v1/score` | The Helious momentum score: newest reading and history |
| GET | `/api/seo/corr` | Cross-asset correlations sample (JSON) |
| GET | `/api/seo/corr.csv` | Cross-asset correlations sample (CSV) |
| GET | `/v1/hormuz` | Strait of Hormuz transits per day |
| GET | `/api/seo/hormuz` | Strait of Hormuz transits sample (JSON) |
| GET | `/api/seo/hormuz.csv` | Strait of Hormuz transits sample (CSV) |
| GET | `/api/seo/hormuz-activity` | Strait of Hormuz live Gulf activity (JSON) |
| GET | `/api/seo/hormuz-independent` | Strait of Hormuz independent transit comparison |
| GET | `/api/seo/hormuz-activity.csv` | Strait of Hormuz live Gulf activity (CSV) |

## Machine-readable artifacts (3)

- **OpenAPI** — https://artifacts.apis.io/helious-io/openapi/helious-io-boards-api-openapi.yml
- **JSONSchema** — https://artifacts.apis.io/helious-io/json-schema/helious-io-feed-item-schema.json
- **JSONSchema** — https://artifacts.apis.io/helious-io/json-schema/helious-io-envelope-schema.json

## Other Helious APIs (11)

- [Helious Agent sign-in and A2A API](https://apis.io/apis/helious-io/helious-io-agent-sign-in-and-a2a-api/)
- [Helious Ask Helious API](https://apis.io/apis/helious-io/helious-io-ask-helious-api/)
- [Helious Economic data API](https://apis.io/apis/helious-io/helious-io-economic-data-api/)
- [Helious News and feed API](https://apis.io/apis/helious-io/helious-io-news-and-feed-api/)
- [Helious Rates and curve API](https://apis.io/apis/helious-io/helious-io-rates-and-curve-api/)
- [Helious Reference API](https://apis.io/apis/helious-io/helious-io-reference-api/)
- [Helious Series API](https://apis.io/apis/helious-io/helious-io-series-api/)
- [Helious The Fed API](https://apis.io/apis/helious-io/helious-io-the-fed-api/)
- [Helious The squawk API](https://apis.io/apis/helious-io/helious-io-the-squawk-api/)
- [Helious Treasury auctions API](https://apis.io/apis/helious-io/helious-io-treasury-auctions-api/)
- [Helious Your key API](https://apis.io/apis/helious-io/helious-io-your-key-api/)

## Tags

Boards

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