> ## Documentation Index > Fetch the complete documentation index at: https://docs.getpalm.com/llms.txt > Use this file to discover all available pages before exploring further. # Update a business's details > Sets or changes a business's details, such as its legal name, EIN, entity type, formation date and address. Send only the fields to change: fields left out stay as they are, and a field set to `null` is removed. Details are stored encrypted, and the response lists which fields are set, never their values. To verify a business against corrected details, update them here first, then verify the business. ## OpenAPI ````yaml /api-reference/v1/openapi.json patch /v1/business/{business_id}/vault openapi: 3.1.0 info: title: Palm Partner API description: >- The Palm API is identity verification and compliance infrastructure for US businesses: onboard businesses, verify businesses and people (KYB/KYC) against authoritative sources, monitor them for changes in real time, and act on their behalf through filings, formation, and registered agent services. version: '1.0' contact: name: Palm Support url: https://getpalm.com email: support@getpalm.com termsOfService: https://getpalm.com/terms license: name: Proprietary url: https://getpalm.com/license servers: - url: https://api.getpalm.com description: Production security: [] tags: - name: Registry description: Search business registries - name: Business description: Manage the businesses in your portfolio - name: User description: Manage the people in your portfolio - name: Verification description: Identity and business verification - name: Monitor description: Continuous monitoring of businesses - name: Filing description: Form a business, apply for an EIN, and register in additional states - name: Case description: Answer a request for information that a filing is waiting on - name: Registered Agent description: Registered agent service for a business - name: Documents description: Retrieve and download any document held for a business or a person - name: Webhooks description: Events Palm delivers to your webhook endpoints paths: /v1/business/{business_id}/vault: patch: tags: - Business summary: Update a business's details description: >- Sets or changes a business's details, such as its legal name, EIN, entity type, formation date and address. Send only the fields to change: fields left out stay as they are, and a field set to `null` is removed. Details are stored encrypted, and the response lists which fields are set, never their values. To verify a business against corrected details, update them here first, then verify the business. operationId: updateBusinessVault parameters: - name: business_id required: true in: path description: Portfolio business ID schema: format: uuid example: 987e6543-e21a-45b6-c789-012345678901 type: string requestBody: required: true content: application/json: schema: $ref: '#/components/schemas/BusinessVaultFields' responses: '200': description: The fields now set for the business content: application/json: schema: type: object description: Every field now set, each mapped to `true`. additionalProperties: type: boolean example: business.legal_name: true business.ein: true business.entity_type: true business.formation_date: true '400': description: A field is not a known business field '404': description: Business not found '409': description: >- A field can't change: the business is linked to another registration, or its home-state legal name is already set security: - ApiKey: [] components: schemas: BusinessVaultFields: type: object properties: business.legal_name: type: string description: Legal business name as registered with the Secretary of State example: Acme Corporation business.domestic_legal_name: type: string description: >- Legal name of the business as registered in its domestic state. Set on a foreign registration whose name in this state may differ; it never changes once set. example: Acme Holdings LLC business.dba_name: type: string description: Doing Business As (DBA) name example: Acme Co business.ein: type: string description: Employer Identification Number (EIN) in format XX-XXXXXXX example: 12-3456789 business.entity_type: type: string description: Type of business entity example: llc enum: - llc - corporation - lp - llp - nonprofit - professional_llc - professional_corporation - other business.formation_date: type: string description: Date the business was legally formed (YYYY-MM-DD) example: '2020-05-15' business.formation_jurisdiction: type: string description: Jurisdiction where the business was originally formed (US-XX format) example: US-DE business.registration_jurisdiction: type: string description: >- Jurisdiction where the business is registered to operate (US-XX format) example: US-CA business.registration_number: type: string description: >- Registration or file number the registration jurisdiction assigned to the business. Written automatically when a Palm formation completes; set it yourself for a business Palm did not form. example: '0805123456' business.address_line_1: type: string description: Business street address line 1 example: 123 Business Blvd business.address_line_2: type: string description: Business street address line 2 (suite, floor, etc.) example: Suite 100 business.city: type: string description: Business city example: San Francisco business.region: type: string description: Business state, province, or region code example: CA business.postal_code: type: string description: Business postal or ZIP code example: '94102' business.country: type: string description: Business country (ISO 3166-1 alpha-2 code) example: US business.phone_number: type: string description: Business phone number (E.164 format recommended) example: '+15551234567' business.email: type: string description: Business email address example: contact@acme.com business.website: type: string description: Business website URL example: https://acme.com business.naics_code: type: string description: NAICS code for business industry classification example: '541511' securitySchemes: ApiKey: scheme: bearer bearerFormat: opaque type: http description: 'Enter your API key in the format: sk_test_xxxxx or sk_live_xxxxx' ```` This documentation is built and hosted on [Mintlify](https://mintlify.com), a developer documentation platform.