Response serialization

By default, ROAPI encodes responses in JSON format, but you can request different encodings by specifying the ACCEPT header:

curl -X POST \
    -H 'ACCEPT: application/vnd.apache.arrow.stream' \
    -d "SELECT launch_library_id FROM spacex_launches WHERE launch_library_id IS NOT NULL" \
    localhost:8080/api/sql

ROAPI currently supports the following serialization formats:

  • application/json

  • application/csv

  • application/vnd.apache.arrow.file

  • application/vnd.apache.arrow.stream

  • application/parquet

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