Vendor API

The Vendor API is the seller’s surface. Every route is scoped to one seller through the member authentication and x-seller-id mechanism described in API conventions. A seller can never read or mutate another seller’s data.

Account and team

Method	Path	Purpose
`GET` `POST`	`/vendor/sellers`	Registration lookup / create a seller account (public)
`POST`	`/vendor/sellers/select`	Select the active seller for the session
`GET` `POST`	`/vendor/sellers/me`	Retrieve / update the current seller
`POST`	`/vendor/sellers/:id/address`	Upsert the seller address
`POST`	`/vendor/sellers/:id/payment-details`	Upsert payment details
`POST` `DELETE`	`/vendor/sellers/:id/professional-details`	Upsert / remove professional details
`GET` `POST`	`/vendor/sellers/:id/members`	List / manage members
`POST` `DELETE`	`/vendor/sellers/:id/members/:member_id`	Update role / remove a member
`GET`	`/vendor/sellers/:id/members/me`	The current member within this seller
`GET`	`/vendor/sellers/:id/members/invites`	List pending invites
`GET` `POST`	`/vendor/members/me`	Retrieve / update the current member profile
`POST`	`/vendor/members/invites/accept`	Accept an invite (public)

Products and offers

Products are shared master records. Updates stage a change request rather than writing directly, and the list shows products the seller created plus published, unrestricted products.

Method	Path	Purpose
`GET` `POST`	`/vendor/products`	List / create a product (created as `proposed`)
`GET` `POST` `DELETE`	`/vendor/products/:id`	Retrieve / request an update / request deletion
`GET`	`/vendor/products/:id/preview`	Preview with pending changes applied
`POST`	`/vendor/products/:id/cancel`	Withdraw the pending change request
`POST`	`/vendor/products/:id/attributes/batch`	Batch add / update / remove attributes
`GET` `POST`	`/vendor/products/:id/variants`	List / create variants
`GET` `POST` `DELETE`	`/vendor/products/:id/variants/:variant_id`	Retrieve / update / delete a variant
`GET`	`/vendor/product-variants`	List variants across products
`GET` `POST`	`/vendor/offers`	List / create offers
`GET` `POST` `DELETE`	`/vendor/offers/:id`	Retrieve / update / delete an offer
`POST`	`/vendor/offers/batch`	Batch create offers
`POST`	`/vendor/offers/:id/inventory-items/batch`	Link inventory items to an offer

Catalog taxonomy (read-only)

GET /vendor/product-categories[/:id], /vendor/product-tags[/:id], /vendor/product-types[/:id], /vendor/product-attributes[/:id], and /vendor/collections[/:id]. Use POST /vendor/product-categories/:id/products and POST /vendor/collections/:id/products to place own products.

Orders and fulfillment

Method	Path	Purpose
`GET`	`/vendor/orders`	List the seller’s orders
`GET`	`/vendor/orders/:id`	Retrieve an order
`GET`	`/vendor/orders/:id/preview`	Preview with pending edits
`GET`	`/vendor/orders/:id/changes`	List order changes
`GET`	`/vendor/orders/:id/commission-lines`	Commission charged on the order
`POST`	`/vendor/orders/:id/complete`	Complete the order
`POST`	`/vendor/orders/:id/cancel`	Cancel the order
`POST`	`/vendor/orders/:id/fulfillments`	Create a fulfillment
`POST`	`/vendor/orders/:id/fulfillments/:fulfillment_id/cancel`	Cancel a fulfillment
`POST`	`/vendor/orders/:id/fulfillments/:fulfillment_id/mark-as-delivered`	Mark delivered
`POST`	`/vendor/orders/:id/fulfillments/:fulfillment_id/shipments`	Create a shipment

Order edits, returns, claims, exchanges

Full RMA suites exist per domain, following the same action pattern Medusa uses (begin → stage item/shipping actions → request → confirm):

POST /vendor/order-edits + /:id/request|confirm|items|shipping-method sub-routes
GET/POST /vendor/returns + /:id/request-items|dismiss-items|receive-items|receive|shipping-method sub-routes
GET/POST /vendor/claims + /:id/claim-items|inbound|outbound sub-routes
GET/POST /vendor/exchanges + /:id/inbound|outbound sub-routes
GET /vendor/return-reasons[/:id], GET /vendor/refund-reasons[/:id]

Payments

Method	Path	Purpose
`GET`	`/vendor/payments[/:id]`	List / retrieve payments
`POST`	`/vendor/payments/:id/capture`	Capture a payment
`POST`	`/vendor/payments/:id/refund`	Refund a payment
`GET`	`/vendor/payments/payment-providers`	List payment providers

Payouts

Method	Path	Purpose
`GET`	`/vendor/payouts[/:id]`	Payout history
`GET` `POST`	`/vendor/payout-accounts`	Retrieve / create the payout account
`POST`	`/vendor/payout-accounts/:id/onboarding`	Start or refresh provider onboarding

Inventory and stock locations

Method	Path	Purpose
`GET` `POST`	`/vendor/inventory-items`	List / create inventory items
`GET` `POST` `DELETE`	`/vendor/inventory-items/:id`	Retrieve / update / delete an item
`GET` `POST`	`/vendor/inventory-items/:id/location-levels`	List / create location levels
`POST` `DELETE`	`/vendor/inventory-items/:id/location-levels/:location_id`	Update / delete a level
`POST`	`/vendor/inventory-items/location-levels/batch`	Batch update levels
`GET` `POST`	`/vendor/reservations[/:id]`	Manage reservations
`GET` `POST`	`/vendor/stock-locations`	List / create stock locations
`GET` `POST` `DELETE`	`/vendor/stock-locations/:id`	Retrieve / update / delete a location
`POST`	`/vendor/stock-locations/:id/fulfillment-sets`	Create a fulfillment set
`POST`	`/vendor/stock-locations/:id/fulfillment-providers`	Link fulfillment providers
`POST`	`/vendor/stock-locations/:id/sales-channels`	Link sales channels

Shipping

Method	Path	Purpose
`GET` `POST`	`/vendor/shipping-options`	List / create shipping options
`GET` `POST` `DELETE`	`/vendor/shipping-options/:id`	Retrieve / update / delete an option
`POST`	`/vendor/shipping-options/:id/rules/batch`	Batch manage option rules
`GET`	`/vendor/shipping-option-types[/:id]`	List option types
`GET`	`/vendor/shipping-profiles`	List operator-defined profiles
`GET`	`/vendor/shipping-profiles/:id`	Retrieve a profile
`DELETE`	`/vendor/fulfillment-sets/:id`	Delete a fulfillment set
`POST`	`/vendor/fulfillment-sets/:id/service-zones`	Create a service zone
`GET` `POST` `DELETE`	`/vendor/fulfillment-sets/:id/service-zones/:zone_id`	Manage a service zone
`GET`	`/vendor/fulfillment-providers`	List fulfillment providers

Pricing, promotions, customers

Method	Path	Purpose
`GET` `POST`	`/vendor/price-lists[/:id]`	Manage price lists (+ `/:id/prices`, `/:id/prices/batch`, `/:id/products`)
`GET`	`/vendor/price-preferences[/:id]`	Read price preferences
`GET` `POST`	`/vendor/promotions[/:id]`	Manage promotions (+ rule batch sub-routes and rule option lookups)
`GET` `POST`	`/vendor/campaigns[/:id]`	Manage campaigns (+ `/:id/promotions`)
`GET`	`/vendor/customers[/:id]`	The seller’s customers
`POST`	`/vendor/customers/:id/customer-groups`	Manage a customer’s groups
`GET` `POST`	`/vendor/customer-groups[/:id]`	Manage customer groups (+ `/:id/customers`)

Configuration and misc

Method	Path	Purpose
`GET` `POST`	`/vendor/sales-channels[/:id]`	Manage sales channels (+ `/:id/products`)
`GET`	`/vendor/regions[/:id]`	Read regions
`GET`	`/vendor/currencies[/:code]`	Read currencies
`GET`	`/vendor/stores`	List stores (authenticated, no seller required)
`GET`	`/vendor/feature-flags`	Feature flags (public)
`POST`	`/vendor/uploads`	Upload files

Overview

Panel extensions

Admin API

Store API

Configuration

Vendor API

Account and team

Products and offers

Catalog taxonomy (read-only)

Orders and fulfillment

Order edits, returns, claims, exchanges

Payments

Payouts

Inventory and stock locations

Shipping

Pricing, promotions, customers

Configuration and misc

Next steps

Store API

​Account and team

​Products and offers

​Catalog taxonomy (read-only)

​Orders and fulfillment

​Order edits, returns, claims, exchanges

​Payments

​Payouts

​Inventory and stock locations

​Shipping

​Pricing, promotions, customers

​Configuration and misc

​Next steps

Store API

Account and team

Products and offers

Catalog taxonomy (read-only)

Orders and fulfillment

Order edits, returns, claims, exchanges

Payments

Payouts

Inventory and stock locations

Shipping

Pricing, promotions, customers

Configuration and misc

Next steps