---
title: "Create Attribution"
method: POST
path: "/api/attribution"
tags: ["attribution"]
---

# Create Attribution

`POST /api/attribution`

## Request

- Base URL: `https://api.fairline.io` (the document declares no server; this is the origin it was published from)
- URL: `https://api.fairline.io/api/attribution`
- Auth: HTTP bearer

## Request body

- AttributionIn
  - `source` string, required
  - `method` 'ref' | 'utm' | 'referrer', required
  - `engine` string, nullable
  - `medium` string, nullable
  - `campaign` string, nullable
  - `content` string, nullable
  - `term` string, nullable
  - `landing` string, required
  - `touched_at_ms` integer, required

## Response `201`

Successful Response

- AttributionOut
  - `user_id` string, required
  - `source` string, required
  - `method` 'ref' | 'utm' | 'referrer', required
  - `engine` string, nullable, required
  - `medium` string, nullable, required
  - `campaign` string, nullable, required
  - `content` string, nullable, required
  - `term` string, nullable, required
  - `landing` string, required
  - `touched_at` string, date-time, required
  - `created_at` string, date-time, required

## Other responses

- `422`: Validation Error

---

[API](https://skmtc.dev/fairline/apis/fairline-api.md) · [All operations](https://skmtc.dev/fairline/apis/fairline-api/llms.txt) · [OpenAPI document](https://skmtc.dev/fairline/apis/fairline-api/revisions/9f7ed2bfdf75?raw)