---
title: "Patch Feedstock Type"
method: PATCH
path: "/feedstock_types/{id}"
---

# Patch Feedstock Type

`PATCH /feedstock_types/{id}`

Updates a feedstock type in the Isometric system. Feedstock types can only be created via the Certify UI.

## Path parameters

- `id` string, required

## Headers

- `x-client-secret` string, required — A secret token identifying the client connecting to the API

## Request body

- PatchFeedstockType
  - `name` union
    - string — The name of the feedstock type. Must be at most 500 characters long.
    - Undefined — An explicit representation of an undefined value in the Isometric REST API. Used, for example, to distinguish between explicit null inputs that clear a property, and not provided inputs which leave the property as is.
      - `__typename` 'Undefined' — Contains the name of the model (formally, OpenAPI Schema Object). Used to determine the type of data, for example when two different types are unioned.
  - `supplier_reference_id` union
    - string — A string that must be unique for all resources created by a specific supplier. It can be used by a client to identify the correct objects in their system.
    - Undefined — An explicit representation of an undefined value in the Isometric REST API. Used, for example, to distinguish between explicit null inputs that clear a property, and not provided inputs which leave the property as is.
      - `__typename` 'Undefined' — Contains the name of the model (formally, OpenAPI Schema Object). Used to determine the type of data, for example when two different types are unioned.

## Response `200`

Successful Response

- FeedstockType
  - `id` string, required
  - `supplier_reference_id` string, nullable, required — A string that must be unique for all resources created by a specific supplier. It can be used by a client to identify the correct objects in their system.
  - `name` string, required

## Other responses

- `422` — Validation Error

---

[API](https://skmtc.dev/isometric/apis/isometric-certify-data-ingestion-api.md) · [All operations](https://skmtc.dev/isometric/apis/isometric-certify-data-ingestion-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/isometric/isometric-certify-data-ingestion-api/revisions/bf58c2ceb02c/schema)