---
title: "Trigger Duplicate Detection"
method: POST
path: "/api/contacts/duplicates/detect"
tags: ["contacts", "contacts"]
---

# Trigger Duplicate Detection

`POST /api/contacts/duplicates/detect`

## Request

- Base URL: `https://api.dialogbrain.com` (the document declares no server; this is the origin it was published from)
- URL: `https://api.dialogbrain.com/api/contacts/duplicates/detect`
- Auth: none declared

Manually trigger duplicate detection.

Scans all contacts for potential duplicates based on name similarity.
Optionally auto-merges high confidence pairs (>=90%).

## Query parameters

- `auto_merge` boolean: Auto-merge high confidence pairs

## Response `200`

Successful Response

- unknown

## Other responses

- `422`: Validation Error

---

[API](https://skmtc.dev/dialogbrain/apis/dialogbrain-v2-api-gateway.md) · [All operations](https://skmtc.dev/dialogbrain/apis/dialogbrain-v2-api-gateway/llms.txt) · [OpenAPI document](https://skmtc.dev/dialogbrain/apis/dialogbrain-v2-api-gateway/revisions/77bef09a9209?raw)