> ## Documentation Index
> Fetch the complete documentation index at: https://docs.verify-group.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Update participant (partial update)

> Apply a partial update to a participant record — identity fields, contact information, participant type, or metadata — without overwriting untouched fields.

<ParamField path="id" type="string" required>
  Participant ID
</ParamField>

<ParamField body="firstName" type="string">
  First name
</ParamField>

<ParamField body="lastName" type="string">
  Last name
</ParamField>

<ParamField body="email" type="string">
  Email address
</ParamField>

<ParamField body="phone" type="string">
  Phone number
</ParamField>

<ParamField body="emailVerifiedAt" type="string">
  Email verification timestamp (when email was verified via KYC)
</ParamField>

<ParamField body="phoneVerifiedAt" type="string">
  Phone verification timestamp (when phone was verified via KYC)
</ParamField>

<ParamField body="idNumber" type="string">
  National ID / Tax ID / registration number
</ParamField>

<ParamField body="idType" type="string">
  ID type (passport, national\_id, drivers\_license, tax\_id)
</ParamField>

<ParamField body="dateOfBirth" type="string">
  Date of birth
</ParamField>

<ParamField body="gender" type="string">
  Gender
</ParamField>

<ParamField body="idDocSerialNo" type="string">
  Identity document serial number
</ParamField>

<ParamField body="otherName" type="string">
  Other names or middle names
</ParamField>