# Calculate shipment rates across warehouses

**POST /api/external/hub/v1/shipments/calculate_rates**




## Servers
- Public API: https://api.pattern.com (Public API)



## Parameters



### Body: application/json (object)

- **shipment_ids** (array[string])
  Array of shipment IDs to calculate rates for


## Responses
### 401
Unauthorized - missing or invalid authentication

#### Body: application/json (object)
- **error** (string)


### 400
Bad Request - empty shipment_ids array

#### Body: application/json (object)
- **error** (string)


### 200
Rates calculated successfully

#### Body: application/json (object)
- **rates** (array[object])


### 404
Not Found - shipment does not exist

#### Body: application/json (object)
- **error** (string)


### 422
Unprocessable Entity - invalid shipment configuration

#### Body: application/json (object)
- **error** (string)

- **details** (string)


### 500
Internal Server Error - unexpected service exception

#### Body: application/json (object)
- **error** (string)



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