External endpointresponds

Shipping Rates & Postage Calculator

Live USPS, UPS & FedEx shipping rates plus USPS postage and stamp prices. Free, no API key.

Endpoint URL

https://onlineshippingcalculator.com/api/mcp

Current status

responds

Last checked

Aug 3, 2026, 07:53 AM UTC

Check

MCP initialize · 8s limit

Latency

283 ms

Response record

2 of 2 rounds

Transport

streamable-http

Source

mcp_registry

Registry name

com.onlineshippingcalculator/shipping-rates

Current observation

This endpoint answered at its latest recorded check.

Oldest to newest. Each row is one recorded check.