# Harness Orchestration Executions API

**Canonical:** https://apis.io/apis/harness/harness-orchestration-executions-api/  
**Provider:** Harness — https://apis.io/providers/harness/  
**Base URL:** https://app.harness.io  
**Documentation:** https://apidocs.harness.io

Harness Orchestration Executions API is one of 488 APIs that [Harness](https://apis.io/providers/harness/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. Tagged areas include Orchestration Executions. The published artifact set on APIs.io includes an OpenAPI specification, API documentation, an API reference, a getting-started guide, authentication docs, and rate-limit docs.

The Orchestration Executions API from Harness — 18 operation(s) for orchestration executions.

## Operations (19)

| Method | Path | Summary |
|---|---|---|
| POST | `/rmg/api/orchestration/execution/startRelease/{id}` | Start Release Execution |
| GET | `/rmg/api/orchestration/execution/{releaseId}/phases` | Get Phases by Release ID |
| GET | `/rmg/api/orchestration/execution/{releaseId}/phase/{phaseIdentifier}/activities` | Get Activities by Release and Phase ID |
| GET | `/rmg/api/orchestration/execution/{releaseId}/phase/{phaseIdentifier}/activity/{activityIdentifier}/tasks` | Get Orchestration Execution Tasks by Activity |
| GET | `/rmg/api/orchestration/execution/release/{releaseId}/phase/{phaseIdentifier}/activity/{activityIdentifier}/retry-history` | Get Activity Retry History By Identifiers |
| GET | `/rmg/api/orchestration/execution/activity/{activityId}/input` | Get Activity Execution Inputs |
| GET | `/rmg/api/orchestration/release/{releaseId}/phase/{phaseIdentifier}/activity/{activityIdentifier}` | Get Activity Execution Detail |
| GET | `/rmg/api/orchestration/execution/release/{releaseId}/phase/{phaseIdentifier}/output` | Get Phase Execution Outputs |
| GET | `/rmg/api/orchestration/execution/release/{releaseId}/phase/{phaseIdentifier}/activity/{activityIdentifier}/output` | Get Activity Execution Outputs |
| POST | `/rmg/api/orchestration/execution/activity/{activityId}/output` | Submit Activity Execution Outputs |
| POST | `/rmg/api/orchestration/execution/task/{taskExecutionId}/comment` | Create Task Comment |
| PUT | `/rmg/api/orchestration/execution/task/comment/{commentId}` | Update Task Comment |
| DELETE | `/rmg/api/orchestration/execution/task/comment/{commentId}` | Delete Task Comment |
| GET | `/rmg/api/orchestration/execution/task/{taskExecutionId}/comment/summary` | Get Task Comments Summary |
| PUT | `/rmg/api/orchestration/execution/task/{taskExecutionId}/status` | Update Execution Task Status |
| PUT | `/rmg/api/orchestration/execution/task/{taskExecutionId}/metadata` | Update Execution Task Metadata |
| GET | `/rmg/api/orchestration/{entityType}/events/{entityId}` | Get Events by Entity Type and Entity ID |
| GET | `/rmg/api/release/{releaseId}/execution/activities` | Get Paginated Activities by Release ID |
| GET | `/rmg/api/orchestration/execution/releaseInput/{releaseId}` | Get Latest Release Input by Release ID |

## Machine-readable artifacts (10)

- **OpenAPI** — https://raw.githubusercontent.com/api-evangelist/harness/refs/heads/main/openapi/harness-orchestration-executions-api-openapi.yml
- **Documentation** — https://apidocs.harness.io
- **APIReference** — https://apidocs.harness.io
- **GettingStarted** — https://developer.harness.io/docs/platform/automation/api/api-quickstart/
- **Authentication** — https://raw.githubusercontent.com/api-evangelist/harness/refs/heads/main/authentication/harness-authentication.yml
- **OAuthScopes** — https://raw.githubusercontent.com/api-evangelist/harness/refs/heads/main/scopes/harness-scopes.yml
- **ErrorCatalog** — https://raw.githubusercontent.com/api-evangelist/harness/refs/heads/main/errors/harness-error-codes.yml
- **Conventions** — https://raw.githubusercontent.com/api-evangelist/harness/refs/heads/main/conventions/harness-conventions.yml
- **Idempotency** — https://raw.githubusercontent.com/api-evangelist/harness/refs/heads/main/conventions/harness-conventions.yml
- **RateLimits** — https://raw.githubusercontent.com/api-evangelist/harness/refs/heads/main/rate-limits/harness-rate-limits.yml

## Other Harness APIs (12)

- [Harness Continuous Integration API](https://apis.io/apis/harness/ci-api/)
- [Harness Continuous Delivery and GitOps API](https://apis.io/apis/harness/cd-api/)
- [Harness Feature Management and Experimentation API](https://apis.io/apis/harness/feature-flags-api/)
- [Harness Cloud Cost Management API](https://apis.io/apis/harness/ccm-api/)
- [Harness Chaos Engineering API](https://apis.io/apis/harness/chaos-api/)
- [Harness Security Testing Orchestration API](https://apis.io/apis/harness/sto-api/)
- [Harness Internal Developer Portal API](https://apis.io/apis/harness/idp-api/)
- [Harness Code Repository API](https://apis.io/apis/harness/code-repo-api/)
- [Harness Service Reliability Management API](https://apis.io/apis/harness/srm-api/)
- [Harness Infrastructure as Code Management API](https://apis.io/apis/harness/iacm-api/)
- [Harness Supply Chain Security API](https://apis.io/apis/harness/ssca-api/)
- [Harness Software Engineering Insights API](https://apis.io/apis/harness/sei-api/)

## Tags

Orchestration Executions

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