Bulk upload customers from CSV

POST /api/v1/customers/bulk-upload

Upload a CSV file to create multiple customers at once. Duplicate emails are skipped. Returns created/skipped counts and per-row errors.

Operation ID: bulk_upload_customers_api_v1_customers_bulk_upload_post · View as markdown · OpenAPI slice

Authentication

Bearer token authentication. Pass your DayZero API token in the Authorization header and the target business UUID in x-business-id.

Responses

201 Successful Response

Schema: CustomerBulkUploadResponse

created integer

Number of customers successfully created.

skipped integer

Number of rows skipped (duplicates).

errors array · CustomerBulkRowError CustomerBulkRowError

Per-row validation errors.

2 fields

row integer required: 1-based row number from the CSV.
error string required: Description of the validation error.

400 Bad Request - Invalid input

401 Unauthorized - Authentication required

403 Forbidden - Insufficient permissions

422 Validation Error

Schema: HTTPValidationError

detail array · ValidationError ValidationError

5 fields

loc array · string | integer required
msg string required
type string required
input object
ctx object

Code samples

POST /api/v1/customers/bulk-upload

bash

curl -X POST 'https://api.ondayzero.com/api/v1/customers/bulk-upload' \
  -H 'Authorization: Bearer dz_your_token' \
  -H 'x-business-id: YOUR_BUSINESS_ID' \
  -H 'Content-Type: application/json' \
  -d ''

javascript

const response = await fetch('https://api.ondayzero.com/api/v1/customers/bulk-upload', {
  method: 'POST',
  headers: {
    Authorization: 'Bearer dz_your_token',
    'x-business-id': 'YOUR_BUSINESS_ID',
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({}),
});
const data = await response.json();

python

import httpx

headers = {
    "Authorization": "Bearer dz_your_token",
    "x-business-id": "YOUR_BUSINESS_ID",
}

payload = {}

response = httpx.post("https://api.ondayzero.com/api/v1/customers/bulk-upload", headers=headers, json=payload)
data = response.json()