---
title: "Sign up to 50 multipart PUT URLs for your video upload; URLs expire after 15 minutes. Use returned part_size and retain each PUT response ETag. Upload URLs are private temporary capabilities; never publish them."
method: POST
path: "/v1/agent/videos/{asset_id}/parts"
---

# Sign up to 50 multipart PUT URLs for your video upload; URLs expire after 15 minutes. Use returned part_size and retain each PUT response ETag. Upload URLs are private temporary capabilities; never publish them.

`POST /v1/agent/videos/{asset_id}/parts`

## Request

- Base URL: `https://api.nowyourlink.com`
- URL: `https://api.nowyourlink.com/v1/agent/videos/{asset_id}/parts`
- Auth: OAuth 2 (authorization code, authorization URL `https://api.nowyourlink.com/oauth/authorize`, token URL `https://api.nowyourlink.com/oauth/token`, scopes: `creatives:write`)

Sign up to 50 multipart PUT URLs for your video upload; URLs expire after 15 minutes. Use returned part_size and retain each PUT response ETag. Upload URLs are private temporary capabilities; never publish them.

## Path parameters

- `asset_id` string, required

## Request body

- object
  - `upload_id` string, required
  - `key` string, required
  - `part_numbers` integer[], required

## Response `200`

Sign up to 50 multipart PUT URLs for your video upload; URLs expire after 15 minutes. Use returned part_size and retain each PUT response ETag. Upload URLs are private temporary capabilities; never publish them.

- object

## Other responses

- `400`: Invalid arguments or media.
- `401`: The bearer token is missing, expired or invalid. A missing Authorization header returns an empty body.
- `403`: Missing scope, inactive account, ownership or consent failure.
- `404`: No owned record exists for this identifier.
- `405`: The path exists but does not accept this method (agent.method-not-allowed).
- `409`: The current account or creative state blocks this operation.
- `422`: Verification or media validation failed.
- `429`: This grant's 120-per-minute token bucket is empty. Wait Retry-After seconds before retrying.
- `503`: A dependency failed; read current state before retrying a mutation.

---

[API](https://skmtc.dev/nowyourlink/apis/nowyourlink-public-spotlight-api.md) · [All operations](https://skmtc.dev/nowyourlink/apis/nowyourlink-public-spotlight-api/llms.txt) · [OpenAPI document](https://skmtc.dev/nowyourlink/apis/nowyourlink-public-spotlight-api/revisions/cd8408529b48?raw)