Local HTTP API Daemon Overview

Kalc embeds a lightweight HTTP REST calculation microservice running on 127.0.0.1:15055 using Apple's Network.framework.

For complete details on network configuration, API schemas (POST /calculate), error handling, and integration with Raycast, Alfred, and local scripts, see the Full Local HTTP API Daemon Guide.

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Quick Example

curl -s -X POST http://127.0.0.1:15055/calculate \
  -H "Content-Type: application/json" \
  -d '{"input": "sqrt(144) + 25"}' | jq .result
# "37"

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