---
title: "Member Authentication"
method: POST
path: "/api/v3/partner/*/member/auth"
tags: ["member-authentication-controller"]
---

# Member Authentication

`POST /api/v3/partner/*/member/auth`

Member Authentication

## Headers

- `X-Forwarded-Proto` string
- `X-Eb-Key` string
- `X-Eb-TSync` string
- `User-Agent` string
- `Authorization` string
- `ebtoken` string
- `signature` string

## Request body

- string

## Response `200`

OK

- object

## Other responses

- `201` — Created
- `401` — Unauthorized
- `403` — Forbidden
- `404` — Not Found

## Changes

- **2026-09-09** `92ee1d5db6ea` — 1 info
  - api operation id `memberAuthenticationUsingPOST_1` removed and replaced with `memberAuthenticationUsingPOST_5`
- **2026-09-05** `4fbcb8e1f5e8` — 1 info
  - api operation id `memberAuthenticationUsingPOST_5` removed and replaced with `memberAuthenticationUsingPOST_1`

[Change history](https://skmtc.dev/rakuten/apis/ebates/changes/api/v3/partner/*/member/auth/post.md)

---

[API](https://skmtc.dev/rakuten/apis/ebates.md) · [All operations](https://skmtc.dev/rakuten/apis/ebates/llms.txt) · [OpenAPI document](https://skmtc.dev/rakuten/apis/ebates/revisions/92ee1d5db6ea?raw)