---
title: "Update Customer Details"
method: PUT
path: "/customers/lookup"
---

# Update Customer Details

`PUT /customers/lookup`

Lets you update customer details using the registered identifiers of the customer.

## Query parameters

- `source` 'FACEBOOK' | 'WEB_ENGAGE' | 'WECHAT' | 'INSTORE' | 'MARTJACK' | 'TMALL' | 'TAOBAO' | 'JD' | 'ECOMMERCE' | 'WEBSITE', required
- `accountId` string
- `use_async` boolean
- `identifierName` 'mobile' | 'email' | 'externalId' | 'cardnumber' | 'cardExternalId' | 'wechat' | 'martjackId' | 'fbId', required
- `identifierValue` string, required

## Headers

- `X-CAP-API-OAUTH-TOKEN` string

## Response `200`

200

- object
  - `createdId` integer
  - `warnings` unknown[]
    - unknown
  - `sideEffects` object[]
    - `awardedPoints` integer
    - `type` string

---

[API](https://skmtc.net/capillarytech/apis/sample-api.md) · [All operations](https://skmtc.net/capillarytech/apis/sample-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/capillarytech/sample-api/versions/de241f2ed9b3/schema)