---
title: "UpdateParty"
url: "https://developer.pexa.co.uk/apis/instruction-v1-v1/versions/861f183b-600d-4bbf-9762-abebcbf9b5ac/schemas/UpdateParty"
---

> Full API specification: https://developer.pexa.co.uk/apis/instruction-v1-v1/versions/861f183b-600d-4bbf-9762-abebcbf9b5ac.md

# UpdateParty

## OpenAPI definition

```yaml
openapi: 3.0.1
info:
  title: Lender Instruction
  version: v1
servers:
  - url: https://api.pexa.co.uk
    description: API Gateway URL
components:
  schemas:
    UpdateParty:
      type: object
      discriminator:
        propertyName: type
        mapping:
          INDIVIDUAL: "#/components/schemas/UpdateIndividualParty"
          ORGANISATION: "#/components/schemas/UpdateOrganisationParty"
      properties:
        partyId:
          type: string
          format: uuid
          description: Unique identifier for the party associated with the instruction
        addresses:
          type: array
          items:
            type: object
            properties:
              details:
                type: object
                required:
                  - postcode
                properties:
                  name:
                    maxLength: 50
                    minLength: 0
                    type: string
                    description: Building name
                    example: 1 The House
                  number:
                    maxLength: 4
                    minLength: 0
                    type: string
                    description: House/building number
                    example: 123a
                  flat:
                    maxLength: 30
                    minLength: 0
                    type: string
                    description: Flat/apartment number
                    example: Flat 32
                  street:
                    maxLength: 60
                    minLength: 0
                    type: string
                    description: Street name
                    example: Huddersfield
                  town:
                    maxLength: 30
                    minLength: 0
                    type: string
                    description: Town/city
                    example: West Yorkshire
                  locality:
                    type: string
                    description: Locality
                  county:
                    type: string
                    description: County name (required for OCE verification)
                    example: Greater London
                  postcode:
                    maxLength: 8
                    minLength: 6
                    type: string
                    example: M16 0RA
                    pattern: ^(([Gg][Ii][Rr]
                      0[Aa]{2})|((([A-Za-z][0-9]{1,2})|(([A-Za-z][A-Ha-hJ-Yj-y][0-9]{1,2})|(([A-Za-z][0-9][A-Za-z])|([A-Za-z][A-Ha-hJ-Yj-y][0-9][A-Za-z]?))))\s[0-9][A-Za-z]{2}))$
          description: Address information for the party. Partial address updates are
            discouraged. Any update will fully overwrite the existing address,
            so you should provide the complete address payload with every
            address update.
      required:
        - partyId
```