---
title: "Add lineage relationship"
method: POST
path: "/api/v1/assets/{assetH}/lineage"
tags: ["Assets"]
---

# Add lineage relationship

`POST /api/v1/assets/{assetH}/lineage`

## Request

- Base URL: `https://numonic.ai`
- URL: `https://numonic.ai/api/v1/assets/{assetH}/lineage`
- Auth: API key in header `x-api-key`

Add a parent-child lineage relationship to an asset.

## Path parameters

- `assetH` string, required: Asset hash (40-char hex SHA-1)

## Response `201`

Lineage relationship created

- SuccessMessage
  - `message` string, required: Human-readable success message

## Other responses

- `404`: Asset not found

---

[API](https://skmtc.dev/numonic/apis/numonic-api.md) · [All operations](https://skmtc.dev/numonic/apis/numonic-api/llms.txt) · [OpenAPI document](https://skmtc.dev/numonic/apis/numonic-api/revisions/6c559bef1e35?raw)