NCHS - Infant and neonatal mortality rates: United States, 1915-2013

Rates are infants (under 1 year) and neonatal (under 28 days) deaths per 1,000 live births.

https://www.cdc.gov/nchs/data-visualization/mortality-trends/

Querying over HTTP

Splitgraph serves as an HTTP API that lets you run SQL queries directly on this data to power Web applications. For example:

curl https://data.splitgraph.com/sql/query/ddn \
    -H "Content-Type: application/json" \
    -d@-<<EOF
{"sql": "
    SELECT *
    FROM \"cdc-gov/nchs-infant-and-neonatal-mortality-rates-united-epev-k6ss\".\"nchs_infant_and_neonatal_mortality_rates_united\"
    LIMIT 100 
"}
EOF

See the Splitgraph documentation for more information.