---
title: "dedupe new guests against existing guests in a guestlist"
method: POST
path: "/4.0/guestlists/{guestlist_id}/guests/_dedupe"
tags: ["Guests"]
deprecated: true
---

# dedupe new guests against existing guests in a guestlist

`POST /4.0/guestlists/{guestlist_id}/guests/_dedupe`

## Request

- Base URL: `https://api.socialtables.com`
- URL: `https://api.socialtables.com/4.0/guestlists/{guestlist_id}/guests/_dedupe`
- Auth: none declared

> **Deprecated.**

## Path parameters

- `guestlist_id` string, required

## Request body

- GuestsGuestListService
  - `id` string, required: id of guest
  - `first_name` string, required: first name of guest
  - `last_name` string, required: last name of guest
  - `email` string: email address
  - `checked_in_status` object: checkin data
    - `checked_in` integer
    - `checked_in_at` string, date-time
    - `checked_out_at` string, date-time
  - `tags` TagsGuestListService[]
    - `id` string: id of tag
    - `guestlist_id` string: id of the guestlist the tag belongs to
    - `title` string: title of tag
    - `color` string: color of tag
    - `archived` boolean: whether the tag is archived
  - `meals` MealsGuestListService[]
    - `title` string, required: name of meal

## Response `200`

returns guests

- GuestsGuestListService[]
  - `id` string, required: id of guest
  - `first_name` string, required: first name of guest
  - `last_name` string, required: last name of guest
  - `email` string: email address
  - `checked_in_status` object: checkin data
    - `checked_in` integer
    - `checked_in_at` string, date-time
    - `checked_out_at` string, date-time
  - `tags` TagsGuestListService[]
    - `id` string: id of tag
    - `guestlist_id` string: id of the guestlist the tag belongs to
    - `title` string: title of tag
    - `color` string: color of tag
    - `archived` boolean: whether the tag is archived
  - `meals` MealsGuestListService[]
    - `title` string, required: name of meal

## Other responses

- `410`: guestlist is deleted

## Changes

- **2026-10-16** `46886f40566f`: 1 info
  - endpoint deprecated

[Operation history](https://skmtc.dev/socialtables/apis/social-tables-api-gateway/changes/4.0/guestlists/:guestlist_id/guests/_dedupe/post.md)

---

[API](https://skmtc.dev/socialtables/apis/social-tables-api-gateway.md) - [All operations](https://skmtc.dev/socialtables/apis/social-tables-api-gateway/llms.txt) - [OpenAPI document](https://skmtc.dev/socialtables/apis/social-tables-api-gateway/revisions/5693d914a4b5?raw)