---
title: "PUT /v1/contactBooks/{contactBookId}/contacts/{contactId}"
method: PUT
path: "/v1/contactBooks/{contactBookId}/contacts/{contactId}"
---

# PUT /v1/contactBooks/{contactBookId}/contacts/{contactId}

`PUT /v1/contactBooks/{contactBookId}/contacts/{contactId}`

## Path parameters

- `contactBookId` string, required

## Request body

- object
  - `email` string, required
  - `firstName` string
  - `lastName` string
  - `properties` object
  - `subscribed` boolean

## Response `200`

Contact upserted successfully

- object
  - `contactId` string, required

---

[API](https://skmtc.net/usesend/apis/usesend-api.md) · [All operations](https://skmtc.net/usesend/apis/usesend-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/usesend/usesend-api/revisions/ee7832fe66a6/schema)