---
title: "Load Data Into FieldCollection"
method: POST
path: "/datamart.loadfc/{typedId}"
tags: ["Optimization"]
---

# Load Data Into FieldCollection

`POST /datamart.loadfc/{typedId}`

Loads AVRO data into a DMFieldCollection (DMDS or DMT) from a multipart/form-data request.<p>
It fails if the specified FieldCollection does not exist. Duplicate key values are forbidden. Type checking and schema validation are enforced.

## Response `200`

OK - data loaded successfully into the DMFieldCollection.

## Other responses

- `400` — Bad Request - Invalid typedId, FieldCollection not found, or AVRO processing error.
- `401` — Unauthorized
- `500` — Internal Server Error

---

[API](https://skmtc.net/pricefx/apis/the-pricefx-backend-api.md) · [All operations](https://skmtc.net/pricefx/apis/the-pricefx-backend-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/pricefx/the-pricefx-backend-api/versions/0850b5d6be73/schema)