# Platform API for Reference data

> The vocabularies, concepts, recipes and error codes the other operations use.

The vocabularies, concepts, recipes and error codes the other operations use.

## Available operations

- [List vocabularies](https://docs.refabric.com/api-reference/platform/reference-data/list-vocabularies) — `GET /v1/vocab`: Every named list of values: the ones several fields share or answers carry, each value with what it means.
- [Read a vocabulary](https://docs.refabric.com/api-reference/platform/reference-data/read-a-vocabulary) — `GET /v1/vocab/{name}`: One named list of values by name, each value with what it means.
- [List concepts](https://docs.refabric.com/api-reference/platform/reference-data/list-concepts) — `GET /v1/concepts`: Every concept a field, option or output refers to.
- [Read a concept](https://docs.refabric.com/api-reference/platform/reference-data/read-a-concept) — `GET /v1/concepts/{name}`: One concept by name.
- [List recipes](https://docs.refabric.com/api-reference/platform/reference-data/list-recipes) — `GET /v1/recipes`: Walks through several tasks, one after another, each step runnable.
- [List error codes](https://docs.refabric.com/api-reference/platform/reference-data/list-error-codes) — `GET /v1/errors`: Every public error code with its type, HTTP status, meaning and fix.