Companies

Dismiss a possible duplicate

Mark a pair "not a duplicate" so it stops being suggested, including when enrichment finds it again. The body is `{ company_ids: [idA, idB] }`, in either order; two equal ids are 400 `validation_error

POST /v2/companies/duplicates/dismiss

Parameters

Header parameters

Idempotency-Key

string

Optional. Accepted to dedupe retries on this endpoint. See apps/rest-api/src/shared/idempotency.ts.

Request body

Content-Type: application/json

company_ids

array<string (uuid)> required

Example

{
  "company_ids": [
    "00000000-0000-0000-0000-000000000000"
  ]
}

Responses

200 — Successful response

Content-Type: application/json

data

object required

data.suggestion

object required

data.suggestion.company_a_id

string (uuid) required

data.suggestion.company_b_id

string (uuid) required

data.suggestion.reason

string required

data.suggestion.created_at

string (date-time) required

data.suggestion.dismissed_at

string (date-time) required

Example

{
  "data": {
    "suggestion": {
      "company_a_id": "00000000-0000-0000-0000-000000000000",
      "company_b_id": "00000000-0000-0000-0000-000000000000",
      "reason": "string",
      "created_at": "2026-11-13T08:29:48.848Z",
      "dismissed_at": "2026-11-13T08:29:48.848Z"
    }
  }
}

400 — Request body failed validation.

Content-Type: application/json

(body)

any

401 — Missing or invalid API key.

Content-Type: application/json

(body)

any

403 — Valid key, insufficient permission.

Content-Type: application/json

(body)

any

404 — Resource does not exist.

Content-Type: application/json

(body)

any

409 — Request conflicts with the current state of the resource.

Content-Type: application/json

(body)

any

429 — Rate limit exceeded.

Content-Type: application/json

(body)

any

500 — Unexpected server error.

Content-Type: application/json

(body)

any

Code samples

curl https://api.prod.getdex.com/v2/companies/duplicates/dismiss \
  --request POST \
  --header 'Authorization: Bearer YOUR_API_KEY' \
  --header 'Content-Type: application/json' \
  --data '{
  "company_ids": [
    "00000000-0000-0000-0000-000000000000"
  ]
}'

fetch('https://api.prod.getdex.com/v2/companies/duplicates/dismiss', {
  method: 'POST',
  headers: {
    Authorization: 'Bearer YOUR_API_KEY',
    'Content-Type': 'application/json'
  },
  body: JSON.stringify({
    company_ids: ['00000000-0000-0000-0000-000000000000']
  })
})

requests.post(
    "https://api.prod.getdex.com/v2/companies/duplicates/dismiss",
    headers={
      "Authorization": "Bearer YOUR_API_KEY",
      "Content-Type": "application/json"
    },
    json={
      "company_ids": [
        "00000000-0000-0000-0000-000000000000"
      ]
    }
)

Merge companies

Merge up to 50 source companies (`source_ids`) into `target_id`: contacts, roles, tags, custom field values and links, views, favorites, org chart members and saved view filters move to the target, an

Add tags to companies

Tag up to 100 companies (`companyIds`), or one page of a frozen selection, with up to 50 existing workspace tags (`tagIds`), the cartesian product. A selection page is `{ selection_id, offset, limit?