Best Web Search APIs for AI Agents in 2026: 8 Options Compared

Short answer: there is no single best web search API for every agent. Pick by what the agent needs:

• Real Google results at the lowest price per query: Serper.
• Many engines through one API, including Chinese sources, with page text in the same call: Search1API.
• Results from an independent index instead of Google or Bing: Brave Search API.
• Semantic search with token-efficient excerpts and a deep-research agent: Exa or Parallel.
• Answer-ready results with built-in extract, crawl and research endpoints: Tavily.
• Scraping-heavy work, where search is a side feature: Firecrawl.
• Google verticals such as Maps, Scholar, Flights or Shopping: SerpApi.

We make Search1API, so we are one of the products on this list. Every price below was read from the vendor's own pricing page on November 4, 2026, and each section says what that vendor does better than we do.

How we compared them

An agent calls search in a loop, so four things matter more than marketing claims:

1. Where the results come from. Some APIs return live results from Google, Bing or other engines. Others run their own index. Neither is better by default: live SERPs match what people see, while an own index can return cleaner, LLM-ready passages.
2. Whether you get page content. Snippets are rarely enough. Some APIs return excerpts or full page text in the same call; with others you need a separate scraper.
3. Free tier and entry price. What you can test without a card, and the smallest amount you must spend to go to production.
4. Price per 1,000 searches at entry level. Compared at the cheapest paid option, for a basic search with about 10 results. Higher plans are cheaper for most vendors.

Comparison table

Prices are list prices in USD. Your real cost depends on result counts, content options and plan size, so check each pricing page before you commit.

1. Search1API

Search1API has been running since 2024. It puts about 20 live search sources behind one Search API: general engines (Google, Bing, DuckDuckGo, Yahoo, Yandex), developer and community sources (GitHub, Reddit, X, arXiv, YouTube, Wikipedia), and the widest set of Chinese sources on this list (Baidu, Bing China, 360, Quark, WeChat, Bilibili). You pick the engine per request with search_service.

• Best for: agents that need several engines, Chinese-language results, or search and page reading in one call.
• Search and read together: set crawl_results and the top results come back with their full page text. Crawl reads any public URL as Markdown, with dedicated parsers for sites like Stack Overflow, GitHub, Hacker News, npm, PyPI, Reddit and WeChat. News, sitemap, trending, screenshot, structured extract and whole-site deepcrawl endpoints use the same key.
• Agent tooling: a hosted MCP server with OAuth, a CLI, agent skills, an n8n node, and drop-in compatible endpoints for code written against SearXNG, Google CSE, Bing, Tavily, Exa and Brave.
• Pricing: 100 free credits, no card. Top up any amount from $5 (credits never expire), or subscribe from $19/month for 25,000 credits, down to about $0.50 per 1,000 on the $499 plan. A basic search, news or crawl request is 1 credit. See pricing.
• Limits: no country targeting and no exact date range (only day, week, month or year). Results are SERP snippets plus optional full text; there are no passage-level highlights like Exa or Tavily return. We have not published a cross-vendor relevance benchmark.

2. Tavily

Tavily is a search API built for agents and RAG. Its /search returns cleaned content and can include a generated answer, and the same key covers /extract, /map, /crawl and a /research endpoint.

• Best for: teams that want answer-ready results and a built-in research endpoint with little glue code.
• Pricing: 1,000 free credits a month. A basic search costs 1 credit and an advanced search 2. Plans start at $30/month for 4,000 credits ($0.0075 per credit) and go to $500/month for 100,000; pay as you go is $0.008 per credit. Monthly credits reset on the first of each month.
• Limits: you can't choose the engine, and the per-search price is several times that of SERP APIs at the same volume. Search1API vs Tavily.

3. Exa

Exa runs its own neural search index. It returns page text or token-efficient highlights, has configurable latency (450 ms to 1 s on its pricing page), and adds an Agent product for asynchronous deep research and Monitors for recurring searches.

• Best for: semantic queries ("companies like X", "papers about Y") and agents that want compact highlights instead of full pages.
• Pricing: $10 in free credits every month plus a $10 onboarding bonus. Search is $4 per 1,000 requests (Lite), $7 (Auto) or $12 (Deep), with up to 10 results; page contents cost $1 per 1,000 pages for each content type.
• Limits: it is not a live Google or Bing SERP, there is no site-level crawler, and there are no Chinese engines. Search1API vs Exa.

4. Parallel

Parallel's Search API takes a natural-language objective plus keywords and returns ranked URLs with compressed, token-dense excerpts. Its suite also covers Extract, Task (deep research with structured output), Monitor and FindAll.

• Best for: research agents that want excerpts sized for an LLM and an upgrade path to structured deep research.
• Pricing: up to 5,000 free requests a month. Search is $1 per 1,000 requests in turbo or fast mode and $5 in basic or advanced mode, with 10 results included; Extract is $1 per 1,000 URLs.
• Limits: no engine choice, excerpts rather than full pages unless you call Extract, and no site-level crawler. Search1API vs Parallel.

5. Brave Search API

Brave answers queries from its own index rather than Google or Bing. Besides classic web, news, image, video and places results, its LLM Context endpoint returns ranked, extracted passages sized to a token budget you set, and Goggles let you rerank or restrict sources.

• Best for: teams that want an independent index with no dependence on Google or Bing, and grounding passages from one call.
• Pricing: Search is $5 per 1,000 requests and includes $5 in free credits each month. Answers is $4 per 1,000 requests plus $5 per million tokens.
• Limits: one index, so you can't switch to Google, Baidu or a community source when results are thin. The benchmark results on Brave's page come from Brave's own runs and from AIMultiple, not from us.

6. Firecrawl

Firecrawl is first a scraping and crawling API: scrape, crawl, map, page interaction and monitoring, with many output formats. Its search endpoint can scrape each result in the same request.

• Best for: projects where reading and crawling sites is the main job and search is a supporting step.
• Pricing: 1,000 free credits a month (about 500 searches). Search costs 2 credits per 10 results. Hobby is $19/month (2,500 searches) and Standard $99/month (50,000 searches); paid plans can add credits in $5 increments.
• Limits: search is priced higher than SERP APIs, and advanced formats such as JSON add credits per page. For scraping depth, Firecrawl does more than we do. Search1API vs Firecrawl.

7. Serper

Serper is a fast, low-cost Google SERP API. It returns organic results, knowledge graph, People Also Ask and related searches as JSON, with endpoints for images, news, places and more.

• Best for: high-volume Google results where price per query is the main concern.
• Pricing: one-time credit packs: $50 for 50,000 queries ($1.00 per 1,000), down to $0.30 per 1,000 on the $3,750 pack. Credits are valid for 6 months.
• Limits: Google only, SERP data only, so you need a separate tool to read pages, and the smallest purchase is $50. Search1API vs Serper.

8. SerpApi

SerpApi scrapes Google, Bing and more than a hundred other engines and verticals, from Google Maps and Scholar to shopping and app stores, and returns structured JSON or Markdown. Plans include a U.S. Legal Shield from the Production plan up.

• Best for: agents that need specific Google verticals or structured SERP features nobody else parses.
• Pricing: 250 free searches a month. Paid plans are monthly subscriptions starting at 1,000 searches for $25/month.
• Limits: the highest entry price per search on this list, and no page reading, so you pair it with a scraper. Search1API vs SerpApi.

Which one should you pick?

• You need Google, cheaply, at volume: Serper.
• You need Google verticals (Maps, Scholar, Flights): SerpApi.
• You need several engines, Chinese sources, or search plus full page text in one call, with a $5 start: Search1API.
• You want an index that doesn't depend on Google or Bing: Brave.
• You want semantic retrieval or LLM-sized excerpts: Exa or Parallel.
• You want answer-ready results with little setup: Tavily.
• You mostly scrape and crawl: Firecrawl.

Many production agents combine two: a SERP API for breadth and a reader or crawler for depth. If that is your setup, check whether one API already does both before you pay for two.

FAQ

What is the cheapest web search API for AI agents?

At list prices, Serper and Search1API both start at $1.00 per 1,000 searches, and Parallel's fast mode is $1 per 1,000 requests. Serper's minimum purchase is $50 with credits valid for 6 months; Search1API starts at $5 and credits never expire. At very high volume, Serper's largest pack ($0.30 per 1,000) is the lowest price on this list.

Which search API returns page content, not just snippets?

Search1API (crawl_results), Tavily, Exa (contents), Parallel (excerpts), Brave (LLM Context) and Firecrawl (scrape options) can all return page content with search. Serper and SerpApi return SERP data only.

Is there a free web search API?

Yes, several. Search1API gives 100 credits, Tavily 1,000 credits a month, Exa $10 a month, Parallel 5,000 requests a month, Brave $5 a month, Firecrawl 1,000 credits a month and SerpApi 250 searches a month. Serper lets you sign up without a card. See our free search API guide.

Which search API supports Chinese search engines?

Search1API covers Baidu, Bing China, 360, Quark, WeChat and Bilibili. SerpApi has Baidu. The other APIs here don't offer Chinese engines as a search source.

Can I switch search APIs without rewriting my code?

Often yes. Search1API offers compatible endpoints that accept requests in the format of SearXNG, Google Custom Search, Bing, Tavily, Exa and Brave, so you change the base URL and key. Unsupported fields come back empty rather than invented.

Which search APIs have an MCP server?

Most vendors here offer an MCP server for Claude, Cursor and other agents. Search1API's hosted MCP server supports OAuth, so clients connect with just the URL https://mcp.search1api.com/mcp.

Try it

Sign up at app.s1.dev for 100 free credits with no card, then run the same queries you use today against Search1API and the API you have now. If the results and the bill both look better, keep it.