EasyPost Shipping Integration Services
We build custom EasyPost integrations that give your platform access to 100+ shipping carriers through a single API. Rate shopping, unified label generation, real-time tracking, insurance, and address verification — one integration, every carrier.
Get Started- 100+ Carriers
- Rate Shopping
- Unified Labels
- Tracking Webhooks
- Shipping Insurance
- Address Verification
What We Build
Multi-Carrier Rate Shopping
Compare real-time rates across UPS, FedEx, USPS, DHL, Canada Post, and 100+ carriers in a single API call. Automatically select the cheapest, fastest, or best-value option for every shipment.
Unified Label Generation
Generate shipping labels for any carrier through one consistent API. Same request format, same response structure — regardless of whether the shipment goes via UPS, FedEx, or USPS.
Tracking Webhooks
Receive real-time tracking updates via EasyPost webhooks. Normalized tracking events across all carriers with consistent status codes, timestamps, and location data.
Shipping Insurance
Add shipment insurance through EasyPost for any carrier at competitive rates. Automated claims processing and coverage management integrated into your shipping workflow.
Address Verification
Validate and correct shipping addresses before label creation. EasyPost address verification works across all supported carriers and countries to reduce failed deliveries.
Scan Form & Batch Shipping
Create USPS scan forms and process batch shipments for high-volume operations. Submit hundreds of labels in a single API call for efficient warehouse fulfillment.
How We Build Your Integration
Discovery
We analyze your carrier requirements, shipping volumes, and platform to determine which EasyPost features and carrier accounts to configure.
Architecture
We design the integration with carrier selection logic, rate shopping rules, webhook processing, and caching strategies for optimal performance.
Development
We build against the EasyPost REST API with proper API key management, carrier account configuration, and integration with your order management system.
Testing
Full testing with EasyPost test environment including multi-carrier rate shopping, label generation across carriers, webhook delivery, and batch processing.
Deployment
Production deployment with carrier account activation, webhook endpoint configuration, and monitoring for rate accuracy and label generation success.
Supported Platforms
We integrate with the platforms your business already uses, ensuring a smooth workflow from checkout to delivery.
Use Cases
Multi-Carrier eCommerce Shipping
Offer customers the best shipping options from multiple carriers at checkout. Rate shop across UPS, FedEx, USPS, and DHL to display the cheapest and fastest options without managing individual carrier APIs.
Shipping SaaS Platforms
Build multi-carrier shipping into your SaaS product. EasyPost provides the carrier connectivity layer so you can focus on your platform features instead of maintaining dozens of carrier integrations.
Marketplace Fulfillment
Power marketplace seller shipping with multi-carrier options. Each seller can connect their own carrier accounts through EasyPost while your platform handles the unified shipping experience.
3PL and Fulfillment Centers
Integrate EasyPost into your 3PL operations for client-specific carrier routing, batch label generation, and unified tracking across all clients and their preferred carriers.
Why Choose ZyroByte
One API, All Carriers
Integrate once with EasyPost and access 100+ carriers. No need to build and maintain separate integrations for each carrier.
Clean REST API
EasyPost provides a modern, well-documented REST API with consistent patterns across all carrier operations.
Cost Optimization
Automatic rate shopping finds the best price across carriers. EasyPost negotiated rates can further reduce your shipping costs.
Faster Development
Multi-carrier shipping in weeks instead of months. One integration gives you access to every carrier you need.
Easy Carrier Addition
Add new carriers by connecting their account to EasyPost — no new API integration work needed.
Maintained by EasyPost
EasyPost handles carrier API changes, deprecations, and updates. Your integration stays stable as carriers evolve their APIs.
EasyPost Multi-Carrier Integration
Build a multi-carrier shipping platform with EasyPost as your carrier connectivity layer. Our integrations handle rate shopping across UPS, FedEx, USPS, DHL, Canada Post, and dozens of regional carriers through a single API. We implement intelligent carrier selection rules that consider delivery speed, cost, package characteristics, and destination to automatically route shipments to the optimal carrier.
EasyPost Rate Shopping for eCommerce
Add real-time multi-carrier rate shopping to your eCommerce checkout. Our EasyPost integrations compare rates from all your connected carriers in milliseconds, displaying the best shipping options to customers. We implement rate caching, fallback logic for carrier API outages, and configurable markup rules to ensure consistent and profitable shipping pricing at checkout.
EasyPost vs Direct Carrier APIs
Choosing between EasyPost and direct carrier integrations depends on your needs. EasyPost excels when you need multi-carrier support with minimal integration effort and want normalized data across carriers. Direct integrations offer deeper access to carrier-specific features. We help you choose the right approach and can implement either — or a hybrid strategy with EasyPost for rate shopping and direct APIs for advanced carrier features.