Every Tool. One API Key.
24 upstream providers — search, scraping, browser automation and voice — behind a single Auxiliar key and one bill.
Native APIs, passed straight through.
Search11
Web, SERP and AI search — pick the index or engine that fits the query.
A genuinely independent 30B+ page index — web, image, video and news verticals.
SEO and SERP intelligence — rankings, keywords, backlinks — with the richest SERP-element taxonomy.
Neural/semantic search by meaning, with find-similar, a built-in answer endpoint and clean extraction.
Best-in-class URL→clean-markdown Reader, plus a search endpoint that returns full-page markdown in one call.
A ToS-clean search alternative with native sourced answers, structured JSON and a /fetch markdown endpoint.
An agent-optimized search index where a natural-language objective shapes ranking; returns pre-compressed excerpts.
Multi-engine search results — Google, Bing, YouTube and 80+ engines — via one endpoint.
Structured results from Google and 80+ other search engines, with the key handled for you.
Google SERP across web, images, news, places, maps and scholar — plus webpage scraping.
An agent-native search index built for RAG — snippet + relevance score + optional answer.
An own-index web search API plus a cited Research API, tuned for LLM grounding.
Scraping & Crawling10
Fetch, render and extract pages at scale — proxies and anti-bot handling managed for you.
The strongest anti-bot unlocker (98% on the hardest sites) plus pre-built structured scrapers, with top compliance.
Markdown + structured scrapers plus a managed async crawl queue, billed per success by domain complexity.
Best-in-class LLM-ready markdown, with schema-driven extraction, async crawl and an official MCP.
Enterprise web scraping with dedicated parsers, a 195+ country proxy network and pay-for-success.
General-purpose scraping with rotating proxies and auto-retry, behind one GET.
Strong one-flag anti-bot (asp=true), markdown/AI output and an in-response cost breakdown.
One REST surface bundling JS rendering, residential/stealth proxies, AI + CSS extraction and markdown.
Fast recursive crawl and clean markdown with transparent per-page USD costs in the response.
A scraper API plus a CDP scraping browser on one key, with heavy anti-bot behind a single flag.
One endpoint with automatic ban-management and built-in AI extraction (product/article/job).
Browser Automation2
Full headless browser sessions and actor platforms for the hardest targets.
Voice & Audio1
Speech and voice generation through the same key and bill.
Start in three steps
From signup to your first request in minutes.
Get your API Key
Generate a key from your dashboard — one key works across every tool and provider.
Replace the base URL
Point your existing tool's SDK or requests at api.auxiliar.ai — or just ask your agent to do it for you.
curl https://api.auxiliar.ai/serper/search \ -H "Authorization: Bearer $AUXILIAR_API_KEY" \ -H "Content-Type: application/json" \ -d '{"q": "claude ai"}'