patch https://api.stg.mesta.xyz/v1/beneficiaries/
Updates an existing beneficiary's information. Note that certain fields cannot be modified after initial creation.
Non-updatable fields:
- type (individual/business)
- identificationNumber (for business beneficiaries)
- taxIdentificationNumber (for business beneficiaries)
- bankAccountType
- bankAccountNumber
- bankCode
Before updating a beneficiary, always check the validation rules using: GET /v1/validation-rules/beneficiaries?ownerType=[individual|business]&country=[ISO 3166-1 alpha-2 code]