# Not Diamond Custom Routers API

**Canonical:** https://apis.io/apis/notdiamond/notdiamond-custom-routers-api/  
**Provider:** Not Diamond — https://apis.io/providers/notdiamond/  
**Base URL:** https://api.notdiamond.ai/v2  
**Documentation:** https://docs.notdiamond.ai/reference/token_model_select_v2_modelrouter_modelselect_post

Not Diamond Custom Routers API is one of 4 APIs that [Not Diamond](https://apis.io/providers/notdiamond/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. Tagged areas include Custom Routers. The published artifact set on APIs.io includes an OpenAPI specification, API documentation, and an API reference.

The Custom Routers API from Not Diamond — 2 operation(s) for custom routers.

## Operations (2)

| Method | Path | Summary |
|---|---|---|
| POST | `/pzn/trainCustomRouter` | Train a custom router. |
| POST | `/preferences/userPreferenceCreate` | Create a user preference. |

## Machine-readable artifacts (9)

- **OpenAPI** — https://raw.githubusercontent.com/api-evangelist/notdiamond/refs/heads/main/openapi/notdiamond-custom-routers-api-openapi.yml
- **Documentation** — https://docs.notdiamond.ai/docs/quickstart
- **APIReference** — https://docs.notdiamond.ai/reference/token_model_select_v2_modelrouter_modelselect_post
- **PostmanCollection** — https://raw.githubusercontent.com/api-evangelist/notdiamond/refs/heads/main/collections/notdiamond.postman_collection.json
- **OpenCollection** — https://raw.githubusercontent.com/api-evangelist/notdiamond/refs/heads/main/collections/notdiamond.opencollection.json
- **APIReference** — https://docs.notdiamond.ai/reference/list_models_v2_models_get
- **Documentation** — https://docs.notdiamond.ai/docs/real-time-personalization
- **APIReference** — https://docs.notdiamond.ai/reference/train_custom_router_v2_pzn_traincustomrouter_post
- **APIsJSON** — https://raw.githubusercontent.com/api-evangelist/notdiamond/refs/heads/main/apis.yml

## Other Not Diamond APIs (3)

- [Not Diamond Feedback API](https://apis.io/apis/notdiamond/notdiamond-feedback-api/)
- [Not Diamond Model Routing API](https://apis.io/apis/notdiamond/notdiamond-model-routing-api/)
- [Not Diamond Models API](https://apis.io/apis/notdiamond/notdiamond-models-api/)

## Tags

Custom Routers

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