Contact Legacy Addresses

Create a contact address

Add a postal address to a contact. **Requires `Idempotency-Key`.** Returns the created row: `{ data: { contact_legacy_address: {...} } }`, status 201. Addresses are not ranked (no reorder).

POST /v2/contact-legacy-addresses/{contactId}

Parameters

Path parameters

contactId

string (uuid) required

Request body

Content-Type: application/json

formatted

string

street

string

city

string

region

string

country

string

postal_code

string

address_type

string

Example

{
  "formatted": "string",
  "street": "string"
}

Responses

201 — Created

Content-Type: application/json

data

object required

data.address

object required

data.address.id

string (uuid) required

data.address.contact_id

string (uuid) required

data.address.user_id

string

data.address.formatted

string | null

data.address.street

string | null

data.address.city

string | null

data.address.region

string | null

data.address.country

string | null

data.address.postal_code

string | null

data.address.address_type

string | null

data.address.created_at

string (date-time) required

data.address.updated_at

string (date-time) required

Example

{
  "data": {
    "address": {
      "id": "00000000-0000-0000-0000-000000000000",
      "contact_id": "00000000-0000-0000-0000-000000000000",
      "created_at": "2026-09-17T02:39:21.283Z",
      "updated_at": "2026-09-17T02:39:21.283Z"
    }
  }
}

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-legacy-addresses/00000000-0000-0000-0000-000000000000 \
  --request POST \
  --header 'Authorization: Bearer YOUR_API_KEY' \
  --header 'Content-Type: application/json' \
  --data '{
  "formatted": "string",
  "street": "string"
}'

fetch('https://api.prod.getdex.com/v2/contact-legacy-addresses/00000000-0000-0000-0000-000000000000', {
  method: 'POST',
  headers: {
    Authorization: 'Bearer YOUR_API_KEY',
    'Content-Type': 'application/json'
  },
  body: JSON.stringify({
    formatted: 'string',
    street: 'string'
  })
})

requests.post(
    "https://api.prod.getdex.com/v2/contact-legacy-addresses/00000000-0000-0000-0000-000000000000",
    headers={
      "Authorization": "Bearer YOUR_API_KEY",
      "Content-Type": "application/json"
    },
    json={
      "formatted": "string",
      "street": "string"
    }
)

Delete a contact phone number

Remove a phone number from a contact. Idempotency-Key is optional. Returns `{ data: { affected } }`.

Update a contact address

Partially update one address on a contact. **Requires `Idempotency-Key`.** Returns `{ data: { affected } }`.