---
title: "Deliver a creative file by presigned URL"
method: POST
path: "/creative-metrics/registry/media"
tags: ["Creative registry (creo-loop)"]
---

# Deliver a creative file by presigned URL

`POST /creative-metrics/registry/media`

## Headers

- `Authorization` string, required

## Request body

- RegisterMediaDto
  - `creative_external_id` string, required
  - `source_url` string — Presigned https URL on an allowed host
  - `s3_key` string — Key of an object the sender already PUT into the marketing bucket
  - `source_ref` string, required — Sender's file id — makes redelivery idempotent
  - `content_type` string, required
  - `size_bytes` number, required
  - `slug` string
  - `original_filename` string

## Response `200`

---

[API](https://skmtc.dev/miaai/apis/backend-template-api.md) · [All operations](https://skmtc.dev/miaai/apis/backend-template-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/miaai/backend-template-api/revisions/2a8d88a5124f/schema)