apirate-shoppingdevelopment
Shipping API Rate Shopping Implementation
Build rate shopping into your application with shipping APIs.
January 9, 20261 min read26 views
Rate Shopping API Implementation
Compare rates across carriers in real-time.
API Response Times
| Provider | Avg Response | Rate Sources |
|---|---|---|
| Atoship | 200ms | All carriers |
| EasyPost | 500ms | Multi-carrier |
| Shippo | 400ms | Multi-carrier |
| Direct carrier | 1-2s | Single carrier |
Implementation Pattern
Request structure:
- Origin address
- Destination address
- Package dimensions
- Weight
- Service preferences
- All available rates
- Transit times
- Service levels
- Carrier details
Rate Selection Logic
| Priority | Logic |
|---|---|
| Cheapest | Sort by price |
| Fastest | Sort by transit |
| Best value | Price/transit ratio |
| Customer choice | Display all |
Error Handling
| Error | Solution |
|---|---|
| Timeout | Retry with backoff |
| Invalid address | Validate first |
| No rates | Fallback carrier |
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