prefer_authority
booleanBiases ranking toward higher-authority hosts without excluding the rest.
The soft counterpart to min_host_rank. Use it when a low-authority source might still hold the answer and you would rather demote it than lose it.
Example
curl -H "x-api-key: $UNLOB_API_KEY" \
"https://api.unlob.com/search?q=nutrition+guidance&prefer_authority=true"Common questions
What does the prefer_authority filter do?
Biases ranking toward higher-authority hosts without excluding the rest.
When should I use prefer_authority?
Broad questions where you want good sources first but not exclusively.
Filters are free
Every filter is evaluated against a stored field, so it narrows the candidate set before scoring — a filtered query is often faster than an unfiltered one.