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

# Update Vendor



## OpenAPI

````yaml actionkit/openapi.json POST /projects/{project_id}/tools/#RAMP_UPDATE_VENDOR
openapi: 3.0.0
info:
  title: ActionKit Tools API
  version: 1.0.0
servers:
  - url: https://actionkit.useparagon.com
    description: US Cloud
security: []
paths:
  /projects/{project_id}/tools/#RAMP_UPDATE_VENDOR:
    post:
      summary: Update Vendor
      parameters:
        - name: project_id
          in: path
          required: true
          schema:
            type: string
            description: >-
              Your Paragon Project ID. You can copy your Project ID from your
              dashboard URL or by clicking Copy Project ID under the Environment
              switcher.
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              properties:
                tool:
                  type: string
                  default: RAMP_UPDATE_VENDOR
                parameters:
                  type: object
                  properties:
                    vendorId:
                      type: string
                      description: >-
                        Vendor ID : Specify the Ramp vendor ID. (example: "e.g.,
                        3f24a891-...")
                    name:
                      type: string
                      description: >-
                        Business Name : Specify the legal business name of the
                        vendor. (example: "e.g., Acme Corp")
                    vendorNumber:
                      type: string
                      description: >-
                        Vendor Number : Specify your system's vendor identifier.
                        Recommended for cross-system linking; maps to Ramp's
                        external_vendor_id. (example: "Your system's vendor ID")
                    address:
                      type: object
                      description: >-
                        Address : Specify the vendor address as JSON, using Ramp
                        snake_case keys (address_line_1, city, state,
                        postal_code, country). (example: "{
                          "address_line_1": "123 Main St",
                          "city": "San Francisco",
                          "state": "CA",
                          "postal_code": "94105",
                          "country": "US"
                        }")
                      properties: {}
                    additionalFields:
                      type: object
                      description: >-
                        Additional Fields : Optional JSON object of any other
                        Ramp vendor fields (e.g. request_tax_details,
                        request_payment_details, vendor_owner_id,
                        accounting_vendor_remote_id,
                        vendor_tracking_category_option_id, state).
                        Shallow-merged into the request body; values here
                        override the dedicated inputs above. (example: "{
                          "request_tax_details": true,
                          "request_payment_details": true,
                          "vendor_owner_id": "..."
                        }")
                      properties: {}
                  required:
                    - vendorId
                  x-integration: ramp
              required:
                - tool
                - parameters
      responses:
        '200':
          description: Success
      security:
        - BearerAuth: []
components:
  securitySchemes:
    BearerAuth:
      type: http
      scheme: bearer
      bearerFormat: JWT
      description: >-
        Your [Paragon User
        Token](/getting-started/installing-the-connect-sdk#setup) (JWT), which
        you can generate using your project's signing keys.

````