Shipping APIs
Access 200+ prebuilt carrier integrations from any application through Zenkraft's open API—connecting commerce, ERP, and post-purchase systems.
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Delivery Methods API
On product pages
Display accurate shipping costs and delivery estimates on product pages to increase conversion.
At checkout
Show delivery dates, shipping options, and PUDO locations at checkout to give customers more convenient delivery choices.
Shipping Label API
Labels
Generate carrier-compliant shipping labels in PNG, PDF, or ZPL formats for hundreds of global carriers.
Customs documents
Automatically generate commercial invoices, high-value reports, and submit customs documentation electronically.
Shipment Tracking API
In-flight updates
Allow customers to modify deliveries while in transit—such as redirecting to a neighbor or alternate location.
Webhooks
Push real-time updates to your systems when Shipments are created, in transit, delayed, out for delivery, or delivered.
Returns API
Return methods
Support multiple return methods globally—including drop-off, pickup, and label-less returns—to reduce shipping costs and meet customer expectations.
Return labels
Generate labels instantly to enable self-service returns directly from any application.
Manifesting
Close out shipment days programmatically returning PDFs to hand to your driver.
Pickup
Schedule pickups allowing drivers to pickup items for return or re-shipment.
Drop-Off / Pick-up
Find nearest drop-off & pick-up locations for carriers. Great for returns and locker pick-ups.
200+ Carriers Supported
Zenkraft provides built-in integrations for parcel, LTL freight, and same-day carriers worldwide, with new carriers continuously added to the platform.
Frequently Asked Questions
Which carrier APIs are supported through the Zenkraft shipping platform?
Zenkraft provides a common set of endpoints and response formats that simplify carrier API integrations for FedEx, UPS, DHL, USPS, and over 200 additional global and regional shipping providers. See our Carrier API documentation here.
Can developers access shipping functionality directly through Salesforce and through APIs?
Developers can access shipping workflows directly through our Salesforce managed package, or through direct integration to our API endpoints for non-Salesforce platforms.
Does the API support label generation, rate shopping, tracking, and returns?
Zenkraft APIs support label generation, shipment tracking, rate shopping, delivery date calculations, pickup scheduling, and return requests.
Can the API support high-volume shipping operations and peak traffic periods?
The Zenkraft API platform supports scalable shipping operations designed for high shipment volumes and enterprise transaction processing.
Can developers customize shipping workflows without extensive middleware?
Developers can customize shipping workflows for multiple carriers using our set of common API endpoints without the need to maintain complex middleware or ETL systems.
How does the Zenkraft API reduce complexity compared to direct carrier integrations?
Zenkraft centralizes carrier connectivity and shipping workflows with a set of common API endpoints and standardized response formats, reducing the complexity of managing multiple direct carrier integrations.





