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# Build with the Templates API

The Templates API manages the configuration templates that Live API resources depend on for encoding, composition, and stream conditioning. Templates are versioned: each upload creates a new version, and the most recent version is always tagged `latest`.

## API overview

| Detail    | Value                                          |
| --------- | ---------------------------------------------- |
| Base path | `/api/v1/projects/{project_name}/templating/`  |
| Scope     | Project                                        |
| Reference | [Templates API reference](/mkio/api/templates) |

Every endpoint the Templates API has, in full:

| Endpoint                                                             | What it does                                                  |
| -------------------------------------------------------------------- | ------------------------------------------------------------- |
| `GET /templating/types`                                              | Lists the config types your project supports                  |
| `GET /templating/configs`, `GET /templating/configs/{config_type}`   | List your own configs, across all types or filtered to one    |
| `GET /templating/configs/{config_type}/{name}`                       | Read the latest version of one config                         |
| `PUT /templating/configs/{config_type}/{name}`                       | Create a config, or a new version of one that already exists  |
| `DELETE /templating/configs/{config_type}/{name}`                    | Delete a config and every version of it                       |
| `GET /templating/configs/{config_type}/{name}/versions`              | List every version of a config                                |
| `GET /templating/configs/{config_type}/{name}/versions/{version}`    | Read one specific version, by hash or tag                     |
| `DELETE /templating/configs/{config_type}/{name}/versions/{version}` | Delete one specific version                                   |
| `GET /templating/presets`, `GET /templating/presets/{config_type}`   | List MediaKind’s presets, across all types or filtered to one |
| `GET /templating/presets/{config_type}/{name}`                       | Read one specific preset                                      |

That’s the complete list. Presets have no PUT, POST, or DELETE anywhere, everything writable lives under `/configs`.

## How templates connect to live resources

### Reference a config

A template is referenced by name and version in a Live API resource’s transform spec. For example, an `encodingLive` template is required by every `LiveChannel`, `LiveEvent`, `StaticMultiviewChannel`, and `StaticMultiviewEvent`. A `multiviewComposing` template is optional but provides a way to separate composition layout from encoding settings in multiview workflows.

Reference a template from a live resource like this:

```json
"encodingLive": {
  "configRef": {
    "name": "my-encoding-template",
    "version": "latest"
  }
}

```

Use `"version": "latest"` to always reference the most recently uploaded version. Pin to a specific version hash when you need stable, reproducible deployments.

### Start from a preset

A live resource’s `configRef` always points at a config, the template you create and own. It never points at a preset, a separate, read-only, MediaKind-managed starting point you can optionally copy into a config. See Configs and presets for how the two relate.
Use this sequence for a preset-based Live API workflow:

List the presets available to the project.

* Create a customer config from the selected preset.

* Retrieve the created config and copy its input or output pin names.

* Reference the customer config from the Live API resource.

A Live API resource cannot reference the preset directly. For production, use a version hash instead of the mutable `latest` tag when the broadcast must use reproducible configuration.

### Customize a live resource

Alongside `configRef`, a live resource can set **`configValues`**, named values for any parameters the template declares, and **`configOverrides`**, JSON Patch operations against the template’s content directly.

Prefer `configValues` where the template supports it: it’s checked against parameters the template author explicitly declared, while `configOverrides` can touch any path and requires knowing the template’s internal structure in detail. See [Set per-instance parameter values](/platform/how-to/live/manage-live#set-per-instance-parameter-values) and [Declare parameters on a config](/platform/how-to/templates/manage-templates#declare-parameters-on-a-config).

## Template types

| Config type          | Purpose                                                                                                                    |
| -------------------- | -------------------------------------------------------------------------------------------------------------------------- |
| `encodingLive`       | Live encoding configuration. Required by `liveChannels`, `liveEvents`, `staticMultiviewChannels`, `staticMultiviewEvents`. |
| `multiviewComposing` | Composition layout, optional on `staticMultiviewChannels` and `staticMultiviewEvents`.                                     |
| `streamConditioning` | Optional stream conditioning settings, usable on any of the four resource types.                                           |

Call the types endpoint for the full list of types supported by your project. It is the source of truth, since types can be added over time.

`config_type` is a string path parameter. Choose a type returned by `GET /api/v1/projects/{project_name}/templating/types` and supported by the resource you plan to create. The [Live API reference](/mkio/api/live) defines the four resource transforms and their accepted config types.

## Guides

[](/platform/how-to/templates/manage-templates)

### Manage templates

Create, version, tag, delete, and reference configuration templates. Use presets as a starting point.

## Docs

- [Manage templates](https://mediakind.ferndocs.com/platform/how-to/templates/manage-templates.md)