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H2O MLOps gRPC Gateway

The H2O MLOps gRPC Gateway provides a unified interface for interacting with the H2O MLOps platform's various services. This gateway serves as the entry point for all API operations, allowing you to manage models, deployments, monitoring, and other MLOps functionalities through a standardized API. To view the API specifications, open the H2O MLOps gRPC Gateway URL in a browser.

Note

If you’re unsure how to access the H2O MLOps gRPC Gateway, contact your administrator.

API information​

H2O MLOps uses gRPC (Google Remote Procedure Call) as its internal communication framework. The platform's services are exposed using gRPC Gateway. The services are not accessible directly, but instead the platform follows the API Gateway pattern and uses a gateway service to contact individual services.

API gateway health check​

The API gateway includes a health check endpoint that is accessible at /healthz. Navigate to <H2O_MLOPS_API_GATEWAY_URL>/healthz for the health check.

Sample output:

{
	"deployment_server": {
		"message": "READY",
		"timestamp": "2025-06-16T17:52:32.855902715Z",
		"duration": 1260,
		"contiguousFailures": 0,
		"timeOfFirstFailure": null
	},
	"ingest": {
		"message": "READY",
		"timestamp": "2025-06-16T17:52:32.857480851Z",
		"duration": 951,
		"contiguousFailures": 0,
		"timeOfFirstFailure": null
	},
	"storage": {
		"message": "READY",
		"timestamp": "2025-06-16T17:52:32.858571077Z",
		"duration": 360,
		"contiguousFailures": 0,
		"timeOfFirstFailure": null
	}
}
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