---
title: "PATCH /crm/objects/2026-03/contacts/{contactId}"
method: PATCH
path: "/crm/objects/2026-03/contacts/{contactId}"
tags: ["Basic"]
---

# PATCH /crm/objects/2026-03/contacts/{contactId}

`PATCH /crm/objects/2026-03/contacts/{contactId}`

Update an existing contact, identified by ID or email/unique property value. To identify a contact by ID, include the ID in the request URL path. To identify a contact by their email or other unique property, include the email/property value in the request URL path, and add the `idProperty` query parameter (`/crm/v3/objects/contacts/jon@website.com?idProperty=email`). Provided property values will be overwritten. Read-only and non-existent properties will result in an error. Properties values can be cleared by passing an empty string.

## Path parameters

- `contactId` string, required

## Query parameters

- `idProperty` string

## Request body

- CrmObjectsSimplePublicObjectInput — Represents the input required to create or update a CRM object, containing an object with property names and their corresponding values.
  - `properties` object, required — Key value pairs representing the properties of the object.

## Response `200`

successful operation

- CrmSimplePublicObject — A simple public object.
  - `archived` boolean, required — Whether the object is archived.
  - `archivedAt` string, date-time — The timestamp when the object was archived, in ISO 8601 format.
  - `createdAt` string, date-time, required — The timestamp when the object was created, in ISO 8601 format.
  - `id` string, required — The unique ID of the object.
  - `objectWriteTraceId` string — An identifier used for tracing the write request for the object.
  - `properties` object, required — Key-value pairs representing the properties of the object.
  - `propertiesWithHistory` object — Key-value pairs representing the properties of the object along with their history.
  - `updatedAt` string, date-time, required — The timestamp when the object was last updated, in ISO 8601 format.
  - `url` string — The URL associated with the object.

## Other responses

- `default` — An error occurred.

---

[API](https://skmtc.net/hubspot/apis/hubspot-api-specification.md) · [All operations](https://skmtc.net/hubspot/apis/hubspot-api-specification/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/hubspot/hubspot-api-specification/versions/f9c7181056c5/schema)