Exa at https://api.exa.ai is a search engine built for AI: it finds pages by meaning, and can return their contents in the same call.
Create a key in the Exa dashboard and send it as the x-api-key header. In the examples it's written {{EXA_API_KEY}}.
Full reference: https://docs.exa.ai/reference/search
curl -X POST https://api.exa.ai/search \
-H "x-api-key: {{EXA_API_KEY}}" \
-H "Content-Type: application/json" \
-d '{"query": "best open-source HTTP clients", "numResults": 5}'curl -X POST https://api.exa.ai/contents \
-H "x-api-key: {{EXA_API_KEY}}" \
-H "Content-Type: application/json" \
-d '{"urls": ["https://en.wikipedia.org/wiki/HTTP"], "text": true}'