> ## Documentation Index > Fetch the complete documentation index at: https://docs.joinluminous.com/llms.txt > Use this file to discover all available pages before exploring further. # Add a supplier contact > Attach a new contact to a supplier. This appends to the supplier's existing contacts rather than replacing them. The contact email must be unique across the platform. ## OpenAPI ````yaml /api-reference/build.yaml post /suppliers/{supplierId}/contacts openapi: 3.0.0 info: title: Luminous API version: 1.0.0 description: API documentation for Luminous servers: - url: https://{companyName}.api.joinluminous.com/external/api/v1 variables: companyName: default: companyName description: Your company-specific subdomain security: [] tags: - name: Products description: Get and manage products - name: Pricing description: Manage price schedules, levels, and customizations - name: BOMs description: Manage Bills of Materials (BOMs) - name: Labels description: Label rendering via Labelary ZPL service - name: Companies description: Manage business accounts and their associated data - name: Contacts description: Manage contact information for individuals - name: Suppliers description: Manage suppliers (factories) — vendors used on purchase orders - name: Supplier SKUs description: Manage per-supplier SKU and unit-cost overrides for products - name: Locations description: Manage warehouses and locations - name: Inventory description: Get and adjust product stock levels - name: Lots description: Create, update, and delete product lots (batches) - name: Transfer Orders description: Manage transfer orders - name: Fulfillment Orders description: Manage fulfillment orders and picklists - name: Fulfillment Priority Lists description: Configure fulfillment routing priority lists - name: Purchase Orders description: Get and modify purchase orders - name: Supplier Portal description: >- Read a supplier's response to a purchase order and control the one-click portal link - name: Receiving Reports description: Manage receiving reports - name: Payment Obligations description: Manage payment obligations for purchase orders - name: Sales Orders description: Manage sales orders and sales order shipments - name: Purgatory description: >- Inspect and resolve non-posted sales orders in the purgatory staging workflow - name: PickFlow Shipping description: >- Provider-agnostic shipping rates, services, packages, and label purchase for PickFlow - name: Cycle Counts description: >- Create, drive, and post PickFlow cycle counts — batches, per-warehouse sessions, and CSV import/export - name: Print Stations description: List paired print stations and enqueue print jobs to them - name: Invoices description: Get and manage invoices - name: Work Orders description: >- Manage work orders — production lifecycle, steps, materials, links, shipments, and comments - name: Production Batches description: Group and manage work orders as production batches - name: Bills description: >- Accounts payable bill management, payments, attachments, allocations, and variance - name: Prepayments description: Manage vendor prepayments and applications - name: Vendor Credits description: Manage vendor credits and applications - name: Vendor Returns description: Manage vendor returns and credit generation - name: Customer Returns description: Manage customer returns (sales returns), receiving, and restock behavior - name: Stock Snapshot description: Point-in-time stock snapshots with export support - name: Consumption description: Consumption reports and exports - name: Inventory Aging description: Cost-layer-based inventory aging reports - name: Bills Reports description: Accounts payable bills aging reports - name: Forecast description: Materialized forecast data - name: Reports description: Close the books, inventory discrepancy, transaction COGS, and EDI reports - name: Tags description: Add/remove tags across various resources - name: Custom Fields description: Get and set custom fields across various resources - name: Currency description: Currency configuration, exchange rates, and conversion - name: Integration Mappings description: Manage integration mappings for external systems - name: Integration Field Mappings description: Manage field-level mappings between Luminous and external systems paths: /suppliers/{supplierId}/contacts: post: tags: - Suppliers summary: Add a supplier contact description: >- Attach a new contact to a supplier. This appends to the supplier's existing contacts rather than replacing them. The contact email must be unique across the platform. operationId: addSupplierContact parameters: - name: supplierId in: path required: true schema: type: integer description: The unique identifier of the supplier. requestBody: required: true content: application/json: schema: type: object required: - contact_name - contact_email properties: contact_name: type: string maxLength: 255 description: Contact name. contact_email: type: string format: email maxLength: 255 description: >- Contact email address. Must be unique across all contacts on the platform; reusing an existing email returns a `422` validation error. contact_phone: type: string maxLength: 255 nullable: true description: Contact phone number. responses: '201': description: Contact successfully attached to the supplier content: application/json: schema: type: object properties: data: type: object description: A contact attached to a supplier. properties: contact_details_id: type: integer description: >- Stable identifier of the contact. The supplier-contact link has no surrogate key, so this is the ID a caller references. supplier_id: type: integer description: ID of the supplier the contact is attached to. name: type: string nullable: true description: Contact name. email: type: string nullable: true description: Contact email address. phone: type: string nullable: true description: Contact phone number. created_at: type: string format: date-time description: Timestamp of when the contact link was created. updated_at: type: string format: date-time description: Timestamp of when the contact link was last updated. '401': description: Authentication credentials were missing or invalid content: application/json: schema: type: object properties: error: type: string example: Unauthorized message: type: string example: Authentication credentials are missing or invalid status_code: type: integer example: 401 '404': description: The requested resource was not found content: application/json: schema: type: object properties: error: type: string example: Not Found message: type: string example: The requested resource could not be found status_code: type: integer example: 404 '422': description: Validation error content: application/json: schema: type: object properties: message: type: string errors: type: object additionalProperties: type: array items: type: string security: - BearerAuth: [] components: securitySchemes: BearerAuth: type: http scheme: bearer description: >- Authenticate using a bearer token. To create a token, navigate to /settings/api-tokens and click Create API Token. ````