# Hightouch Decision Engine API

**Canonical:** https://apis.io/apis/hightouch/hightouch-decision-engine-api/  
**Provider:** Hightouch — https://apis.io/providers/hightouch/  
**Base URL:** https://api.hightouch.com/api/v1  
**Documentation:** https://hightouch.com/docs/developer-tools/api-guide

Hightouch Decision Engine API is one of 10 APIs that [Hightouch](https://apis.io/providers/hightouch/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. Tagged areas include Decision Engine. The published artifact set on APIs.io includes an OpenAPI specification, API documentation, an API reference, and a getting-started guide.

The Decision Engine API from Hightouch — 5 operation(s) for decision engine.

## Operations (7)

| Method | Path | Summary |
|---|---|---|
| GET | `/decision-engine/flow/{flowId}` | Get Decision Engine Flow |
| GET | `/decision-engine/flows` | List Decision Engine Flows |
| GET | `/decision-engine/flow/{flowId}/messages` | List Decision Engine Messages |
| POST | `/decision-engine/flow/{flowId}/messages` | Create Decision Engine Message |
| GET | `/decision-engine/flow/{flowId}/messages/{messageId}` | Get Decision Engine Message |
| PATCH | `/decision-engine/flow/{flowId}/messages/{messageId}` | Update Decision Engine Message |
| POST | `/decision-engine/flow/{flowId}/run` | Trigger Decision Engine Flow Run |

## Machine-readable artifacts (4)

- **OpenAPI** — https://raw.githubusercontent.com/api-evangelist/hightouch/refs/heads/main/openapi/hightouch-decision-engine-api-openapi.yml
- **Documentation** — https://hightouch.com/docs
- **APIReference** — https://hightouch.com/docs/api-reference
- **GettingStarted** — https://hightouch.com/docs/getting-started/welcome

## Other Hightouch APIs (9)

- [Hightouch Sources API](https://apis.io/apis/hightouch/hightouch-sources-api/)
- [Hightouch Models API](https://apis.io/apis/hightouch/hightouch-models-api/)
- [Hightouch Destinations API](https://apis.io/apis/hightouch/hightouch-destinations-api/)
- [Hightouch Syncs API](https://apis.io/apis/hightouch/hightouch-syncs-api/)
- [Hightouch Campaigns API](https://apis.io/apis/hightouch/hightouch-campaigns-api/)
- [Hightouch Events API](https://apis.io/apis/hightouch/hightouch-events-api/)
- [Hightouch Id Graphs API](https://apis.io/apis/hightouch/hightouch-id-graphs-api/)
- [Hightouch Idr API](https://apis.io/apis/hightouch/hightouch-idr-api/)
- [Hightouch Sync Sequences API](https://apis.io/apis/hightouch/hightouch-sync-sequences-api/)

## Tags

Decision Engine

---

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