Best Web-Access APIs for AI Agents (2026)

Merit-only “best API” rankings for every web-access capability an AI agent needs — search, scraping, crawling, extraction and more. Scored on the same corpus; all providers on one key.

Flagship benchmark report

State of Web-Access APIs for AI Agents 2026 →

Every provider, every capability, one corpus — the full merit-only benchmark behind these rankings.

One key. Every provider on this page.

Stop juggling signups and invoices. One Auxiliar API key calls all of them — upstream keys injected server-side, usage billed to a single balance. Swap the base URL and go.

curl https://api.auxiliar.ai/serper/search \
  -H "Authorization: Bearer $AUXILIAR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"q": "latest ai agent news"}'