> For the complete documentation index, see [llms.txt](https://docs.seldon.ai/seldon-core-1/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.seldon.ai/seldon-core-1/reference/prediction-apis.md).

# Prediction APIs

- [Open Inference Protocol](https://docs.seldon.ai/seldon-core-1/reference/prediction-apis/v2-protocol.md)
- [REST](https://docs.seldon.ai/seldon-core-1/reference/prediction-apis/v2-protocol/rest.md)
- [Health](https://docs.seldon.ai/seldon-core-1/reference/prediction-apis/v2-protocol/rest/health.md)
- [Inference](https://docs.seldon.ai/seldon-core-1/reference/prediction-apis/v2-protocol/rest/inference.md)
- [Metadata](https://docs.seldon.ai/seldon-core-1/reference/prediction-apis/v2-protocol/rest/metadata.md)
- [Models](https://docs.seldon.ai/seldon-core-1/reference/prediction-apis/v2-protocol/rest/models.md)
- [gRPC](https://docs.seldon.ai/seldon-core-1/reference/prediction-apis/v2-protocol/grpc.md)
- [Microservice API](https://docs.seldon.ai/seldon-core-1/reference/prediction-apis/internal-api.md)
- [External API](https://docs.seldon.ai/seldon-core-1/reference/prediction-apis/external-prediction.md)
- [Prediction Proto Buffer Spec](https://docs.seldon.ai/seldon-core-1/reference/prediction-apis/prediction.md)
- [Prediction Open API Spec](https://docs.seldon.ai/seldon-core-1/reference/prediction-apis/prediction-open-api-spec.md)
- [Seldon Core External via Ambassador](https://docs.seldon.ai/seldon-core-1/reference/prediction-apis/prediction-open-api-spec/seldon-core-external-via-ambassador.md)
- [External Ambassador API](https://docs.seldon.ai/seldon-core-1/reference/prediction-apis/prediction-open-api-spec/seldon-core-external-via-ambassador/external-ambassador-api.md)
- [Models](https://docs.seldon.ai/seldon-core-1/reference/prediction-apis/prediction-open-api-spec/seldon-core-external-via-ambassador/models.md)
- [Seldon Core Internal microservice API](https://docs.seldon.ai/seldon-core-1/reference/prediction-apis/prediction-open-api-spec/seldon-core-internal-microservice-api.md): Seldon Deployment types
- [Internal](https://docs.seldon.ai/seldon-core-1/reference/prediction-apis/prediction-open-api-spec/seldon-core-internal-microservice-api/internal.md)
- [Models](https://docs.seldon.ai/seldon-core-1/reference/prediction-apis/prediction-open-api-spec/seldon-core-internal-microservice-api/models.md)