jq cheatsheet

curl-and-jq-example.sh

# This pretty-prints the JSON response:
curl -s "https://api.example.com/data" | jq '.'
# Useful flags
# -c compact

# To get all items:
curl -s "https://api.example.com/data" | jq '.items[]'

# To count all items:
curl -s "https://api.example.com/data" | jq '.items[] | length'

# To get a specific item:
curl -s "https://api.example.com/data" | jq '.items[0]'

# If each object in the array contains multiple properties, but you only want specific ones:
curl -s "https://api.example.com/data" | jq '.items[] | {id, name}'

# In case of of them is a nested property:
curl -s 'https://api.example.com/data' | jq '.items[] | { id, name: .attributes.name }'

# If you want only items where status is "active":
curl -s "https://api.example.com/data" | jq '.items[] | select(.status == "active") | {id, name}'

# Get id and name only for active items where price is greater than 100:
curl -s "https://api.example.com/data" | jq '.items[] | select(.status == "active" and .price > 100) | {id, name}'

# Get id and name only for active items where id belongs to a list
curl -s "https://api.example.com/data" | jq '.items[] | select(.id == (123,125,666)) | {id, name}'