Contact Phone Numbers

Create a contact phone number

Add a phone number to a contact, optionally with a label. **Requires `Idempotency-Key`.** Returns the created row: `{ data: { contact_phone_number: {...} } }`, status 201.

POST /v2/contact-phone-numbers/{contactId}

Parameters

Path parameters

contactId
string (uuid) required

Request body

Content-Type: application/json

phone_number
string required
label
string
ranking
integer
country_code
string
phone_number_sanitized
string

Example

{
  "phone_number": "string"
}

Responses

201 — Created

Content-Type: application/json

data
object required
data.phoneNumber
object required
data.phoneNumber.id
string (uuid) required
data.phoneNumber.contact_id
string (uuid) required
data.phoneNumber.user_id
string
data.phoneNumber.phone_number
string required
data.phoneNumber.label
string | null
data.phoneNumber.ranking
integer required
data.phoneNumber.country_code
string | null
data.phoneNumber.phone_number_sanitized
string | null
data.phoneNumber.created_at
string (date-time) required
data.phoneNumber.updated_at
string (date-time) required

Example

{
  "data": {
    "phoneNumber": {
      "id": "00000000-0000-0000-0000-000000000000",
      "contact_id": "00000000-0000-0000-0000-000000000000",
      "phone_number": "string",
      "ranking": 0,
      "created_at": "2026-09-17T02:39:21.281Z",
      "updated_at": "2026-09-17T02:39:21.281Z"
    }
  }
}

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/contact-phone-numbers/00000000-0000-0000-0000-000000000000 \
  --request POST \
  --header 'Authorization: Bearer YOUR_API_KEY' \
  --header 'Content-Type: application/json' \
  --data '{
  "phone_number": "string"
}'
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