# Look through the contacts for duplicates and propose merges

`POST /crm/duplicates/scan` · Rivier · contacts

Look through the contacts for duplicates and propose merges.

- Scope: contacts:write
- Graphql: Mutation.contactsDuplicateScan
- Sdk: contacts.duplicate.scan
- Cli: contacts duplicate scan

## Responses

- `200`: Success
- `400`: The request was malformed
- `401`: No valid credential
- `403`: The credential lacks the scope, origin or address
- `429`: Over the key's rate limit; see Retry-After

## Example

```sh
curl -X POST 'https://api.rivier.ai/crm/duplicates/scan' \
  -H 'Authorization: Bearer $KEY'
```