API to ShipStation Integration | MESA

Connect API to ShipStation and automate your tasks

Why integrate API with ShipStation

The API to ShipStation integration helps you sync data, automate manual tasks, and keep your stack aligned — without writing code.

Pull live data into any Shopify workflow

When an order fires, MESA calls an external API and brings the response in as variables. Pricing feeds, fraud scores, or inventory levels from any service become available to every step that follows.

Send order details to your internal systems

MESA posts Shopify order data to your internal API or ERP the moment an order is created. Your operations and fulfillment tools stay current without custom middleware or manual exports.

Enrich orders with third-party data at checkout

MESA calls an external API at the moment of purchase — pulling fraud signals, shipping rates, or tax data — and uses the response to route or update the order before fulfillment starts.

Push every Shopify order to ShipStation the moment it's placed

When an order comes in, MESA sends it to ShipStation with the right shipping method, carrier, and fulfillment rules already applied. Your team picks up a ready-to-ship order, not a configuration task.

Route orders to the right warehouse based on what's in the cart

When an order contains specific products, a wholesale flag, or a regional destination, MESA reads the details and sends it to the correct ShipStation fulfillment location. Every order reaches the right facility without manual sorting.

Update Shopify the moment ShipStation marks an order shipped

When ShipStation generates a tracking number and marks an order fulfilled, MESA writes the update back to Shopify and triggers any downstream actions — a Klaviyo notification, a customer tag, a loyalty point. Your post-purchase workflow starts the moment fulfillment does.

Build any API and ShipStation automation

MESA helps you connect apps to automate repetitive tasks. A trigger is an event that starts a workflow, and actions are the steps that occur when it's running.

Customer Created

Starts when a customer account is created.

Customer Updated

Starts when a customer is updated.

Item Created

Starts when an item is created.

Order Created

Starts when a new order is created in any status other than Awaiting Payment.

Order Shipped

Starts when a fulfilled order is shipped.

Product Created

Starts when a new product is created.

Product Updated

Starts when a product is updated.

Shipment Created

Starts when a shipment is created for a recent order.

Add Funds to Carrier Account

Increase the amount of funds to a carrier's account.

Add Tag to Order

Attach a tag to an existing order.

Assign User to Order

Add a user to an existing order.

Create Label for Order

Create a shipping label for an order.

Create Label for Shipment

Create a shipping label for a shipment.

Create Order

Create an order.

Create Ship From Location

Create a ship from location.

Deactivate Store

Deactivate a specific store.

Delete Order

Remove an order.

Delete Ship From Location

Delete a ship from location.

Get List of Carrier Packages

Obtain a list of packages by carrier code.

Get List of Carrier Services

Obtain a list of services by carrier code.

Get List of Customers

Obtain a list of existing customers.

Get List of Fulfillments

Obtain a list of fulfillments.

Get List of Marketplaces

Obtain a list of marketplaces that can be integrated with ShipStation.

Get List of Orders

Obtain a list of existing orders.

Get List of Orders By Tag and Status

Lists all orders that match the specified status and tag.

Get List of Products

Obtain a list of products.

Get List of Resource URL IDs

Obtain a list of resource IDs from a resource URL

Get List of Ship From Locations

Obtain a list of ship from locations.

Get List of Users

Obtain a list of users.

Get Shipments

Obtain a list of shipments.

Get Shipping Rates

Obtain a list of shipping rates.

Get Stores

Obtain a list of installed stores on the ShipStation account.

Hold Order

Pause an order.

List Carriers

Obtain a list of shipping carriers.

Mark Order as Shipped

Classify an order as shipped.

Reactivate Store

Reactivate a specific store.

Refresh Store

Initiate a store refresh.

Remove Tag on Order

Delete a tag from an existing order.

Restore Order from On Hold

Unpause an order that is currently on hold.

Retrieve Carrier

Grab all details about the carrier.

Retrieve Customer

Grab all details about the customer.

Retrieve Order

Grab all details about the order.

Retrieve Product

Grab all details about the product.

Retrieve Ship From Location

Grab all details about the ship from location.

Retrieve Store

Grab all details about the store.

Retrieve Store Refresh Status

Grab all details about the refresh status of a given store.

Unsassign User from Order

Remove an user from an existing order.

Update Order

Modify an existing order.

Update Product

Update a product's details.

Update Ship From Location

Modify a ship from location's details.

Update Store

Modify a store's details.