11 Best SERP APIs in 2026: Complete Developer Comparison

Why This Guide Exists

Every developer building an SEO tool, AI agent, or search-powered application needs a SERP API. But the market has exploded — there are now over 20 providers, each claiming to be the fastest, cheapest, or most accurate.

We spent 3 weeks testing 10 SERP APIs head-to-head with identical queries across web search, image search, and news search. We compared parsed accuracy, feature coverage, and total cost of ownership — including downstream token costs for AI applications. We've also added cloro, an AI-answer-engine API evaluated on features and pricing, since it targets ChatGPT/Perplexity/Gemini citations rather than the Google SERP. We don't publish latency figures for other providers: the only latency numbers in this guide are Searlo's own, measured from production logs.

This guide is updated for March 2026 with the latest pricing and features.

TL;DR — Quick Comparison Table

Methodology

We ran the benchmark in February 2026 and last reviewed pricing in June 2026. Each provider was hit with 1,000 identical queries spread across four intent classes — commercial-investigation, informational (AI-Overview-eligible), local/maps, and long-tail — from US and EU endpoints. We evaluated each API across 5 dimensions:

1. Speed — Searlo's own production latency only: web search has a median of about 1 second and a p90 of about 2.5 seconds, measured in September 2026. We don't quote other providers' latency, because a speed test one vendor runs against its rivals is not one we'd ask you to trust

2. Accuracy — Parsed result quality vs the live Google SERP, plus parse success rate

3. Features — search types supported (web, image, news, video, shopping), geo support

4. Pricing — Real cost at 10K, 100K, and 1M queries/month (not just the headline rate)

5. Developer Experience — Docs quality, SDKs, onboarding speed

Every provider returned valid JSON on >99% of requests; the differences that mattered were SERP-feature depth and true cost at volume.

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What Changed in SERP APIs for 2026

The SERP API market shifted hard over the last 12 months, and it changes which provider is the right pick:

• Bing Search API was deprecated (August 2025), pushing thousands of apps to migrate to Google-based SERP APIs. See our Bing Search API migration guide.

• Google's Custom Search JSON API is closed to new customers, and existing customers' "Search the entire web" option ends on 1 January 2027, leaving teams searching for a Custom Search JSON API alternative.

• Google removed the num=100 parameter (September 2025), so APIs can no longer fetch 100 results in one call — this quietly raised the true cost of deep rank tracking.

• AI Overviews now appear on a large share of informational queries, reshaping click-through patterns. Google publishes no official API for AI Overview content, but several vendors now sell it anyway by parsing the rendered results page — SerpApi's AI Overview Results API, SE Ranking's AI Overviews Tracker and DataForSEO's AI Optimization API all advertise AI Overview data. Since September 2026 Searlo does too: the full-SERP endpoint (/serp, 3 credits per page; 8 from November 1, 2026 when the AI Overview has to be completed by rendering the page) includes the AI Overview by default (set aioverview=false to skip it), alongside ads and People Also Ask, while the standard search endpoint stays organic-only at 1 credit.

• AI-native formats arrived — token-optimized output (TOON), MCP Protocol, and streaming now matter for teams piping SERP data into LLMs and RAG systems.

The result: the "best" SERP API in 2026 is no longer just the cheapest Google scraper. It is the one that matches your workload — rank tracking, AI grounding, or raw SERP data at scale.

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1. Searlo — Best Overall SERP API

Website: searlo.tech

Searlo is the newest entrant but has quickly become the go-to for developers building AI applications. It's the only API with TOON format (63% fewer tokens for LLMs, per the format reference), native MCP Protocol support (connect Claude, Cursor, VS Code directly), and streaming responses.

What Sets It Apart

• 3,000 free credits — once, at sign-up, with no card required

• TOON format — proprietary Token-Optimized Object Notation reduces LLM token costs by 60%

• MCP Protocol — the only SERP API with native Model Context Protocol support for AI agents

• Real-time SERP data — organic ranks plus the AI Overview itself (via /serp) for tracking its impact on your traffic

• Flexible credit validity — new users get 1-year validity; legacy accounts keep unlimited credits (no monthly subscription)

• Any Google country — country (gl) and language (hl) on every Google endpoint; city-level targeting is not offered yet

Pricing

Code Example

bash
curl -H "X-API-Key: YOUR_KEY" \
  "https://api.searlo.tech/api/v1/search/web?q=best+serp+api&limit=10&gl=us"

Verdict

Best choice for AI developers, SEO tools, and anyone building at scale. The combination of low per-query pricing, AI-native features, and one-time credit packs makes it the best value in 2026. The TOON format alone can save hundreds on downstream LLM costs.

Rating: ★★★★★ (5/5)

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CatchAll by NewsCatcher — Recall-First Web Search for AI

Sponsored — CatchAll is a NewsCatcher partner and this is a paid placement. It sits outside our independent 1–10 editorial ranking.

Website: newscatcherapi.com/web-search-api

CatchAll is a recall-first web search and monitoring API built for AI agents, enterprise research, and structured web intelligence. Powered by NewsCatcher's proprietary web index, it prioritizes comprehensive retrieval over traditional ranked search results, delivering structured data with entities, events, and contextual metadata for RAG pipelines, monitoring systems, and AI workflows.

Strengths

• High-recall web search tuned for AI and RAG workflows

• Structured JSON enriched with entities and event extraction

• Real-time monitoring and alerting on newly published content

• Purpose-built for research automation, not just one-off lookups

Weaknesses

• Not designed for traditional SEO rank tracking

• Returns a recall-first corpus rather than a Google SERP replica

• Usage/quote-based pricing — less transparent than per-1K providers

Pricing

Usage-based pricing with scalable plans from individual developers up to enterprise research teams. Contact NewsCatcher for volume quotes.

Verdict

If your use case is grounding an AI agent or running enterprise monitoring where coverage matters more than mirroring Google's top 10, CatchAll is a credible specialist. Its recall-first design and event extraction do real work that a rank-faithful SERP API is not built for. It is not a drop-in substitute for a Google SERP API: for rank tracking, SERP-feature parsing, or SEO reporting you still want a ranked provider from this list — Searlo for AI-native features and cost, or SerpAPI for multi-engine breadth. Best read as a complement to a SERP API, not a replacement.

Rating: ★★★★☆ (4.5/5)

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2. cloro — Best for AI Answer-Engine & Citation Data

Website: cloro.dev

Most APIs in this list return Google's organic results. cloro covers that too, but is built around a different question: what are ChatGPT, Perplexity, Gemini, Copilot, and Grok actually citing? Alongside standard Google Search and Google News endpoints, it covers Google AI Overview and Google AI Mode, and returns structured sources — position, URL, label, description — for AI-generated answers, with dedicated citation endpoints for Perplexity and ChatGPT.

Strengths

• Covers Google Search and Google News alongside Google AI Overview, Google AI Mode, ChatGPT, Perplexity, Gemini, Copilot, and Grok in one API

• Returns structured citations/sources for AI answers, not just ranked links — useful for AI-visibility (GEO/AEO) tracking rather than only classic rank tracking

• A single Google Search call returns organic, ads, PAA, related searches, and AI Overview together

Weaknesses

• Subscription-only — no pay-as-you-go option, and unused credits don't roll over month to month

• Free tier is capped at 500 credits/month rather than a larger one-time allotment

• AI-engine queries cost more credits per call than a plain Google Search call (3 credits vs. 4–7 for AI engines), so heavy AI-answer-engine usage costs more than Google-only rank tracking

Pricing

Plans start with a free tier (500 credits/month) and scale through subscription tiers from $30/month (37,500 credits) up to enterprise tiers above $2,000/month. Each request costs 3–7 credits depending on the engine queried; there is no one-time credit-pack option.

Verdict

For pure Google rank tracking, Searlo above is still the cheaper option per call, even at cloro's top-volume tier. Where cloro earns the #2 spot is coverage no other provider on this list touches: it's the only API here that also tells you what ChatGPT, Perplexity, Gemini, Copilot, and Grok are citing — the practical tool for AI-visibility (GEO/AEO) monitoring alongside traditional rank tracking.

Rating: ★★★★☆ (4/5)

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3. Serper — Best Budget Option for Simple Needs

Website: serper.dev

Serper offers fast, clean JSON responses at competitive prices. It's a solid choice for developers who need basic Google results without AI-specific features.

Strengths

• Fast response times

• Clean JSON structure

• Good documentation

• Generous one-time free tier (2,500 searches)

Weaknesses

• No AI-specific formats (TOON, streaming)

• No MCP Protocol support

• Monthly subscription model — unused credits expire

Pricing

Starts at $50/month for 50,000 searches ($1.00/1K). Enterprise plans available.

Rating: ★★★★☆ (4/5)

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4. SerpAPI — The Established Player

Website: serpapi.com

SerpAPI has been around since 2018 and has the largest developer community. It supports 15+ search engines (Google, Bing, Yahoo, Baidu, etc.) and has the most comprehensive SERP feature parsing.

Strengths

• Multi-engine support (Google, Bing, Baidu, Yandex, etc.)

• Most SERP features detected

• Large community and ecosystem

• Playground for testing queries

Weaknesses

• Expensive at small and mid volume — $25.00/1K on the $25 Starter plan, $15.00/1K on Developer, $9.17/1K at 30K/month; it only reaches $3.75/1K on the $3,750/month Cloud 1M plan (serpapi.com/pricing, verified 2026-08-26)

• No AI features (TOON, MCP, streaming)

• Monthly subscription with expiring credits

Pricing

$50/month for 5,000 searches ($10/1K on Starter). Better rates at higher tiers: $275/month for 30,000 ($9.17/1K).

Rating: ★★★½ (3.5/5)

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5. SearchAPI.io — Multi-Engine Alternative

Website: searchapi.io

SearchAPI.io offers Google, Bing, Baidu, and several other engines. Pricing is more competitive than SerpAPI but without the ecosystem.

Strengths

• Multiple search engines

• Competitive pricing at higher volumes

• Good documentation

• Scholar and patents search

Weaknesses

• No AI-native features

• Smaller community

• Monthly subscriptions

Pricing

Starts at $40/month for 5,000 searches ($8/1K). Volume discounts bring it down to ~$0.80/1K.

Rating: ★★★½ (3.5/5)

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6. Bright Data SERP API — For Scraping Power Users

Website: brightdata.com

Bright Data's SERP API is part of a large web data platform. Best for users who need raw HTML access or very specific geo-targeting.

Strengths

• Broad web data platform

• Raw HTML + parsed JSON options

• Granular geo-targeting

• Enterprise SLAs available

Weaknesses

• Complex pricing (zone-based)

• No AI features

• Steep learning curve

Pricing

Pay-as-you-go at $1.50/1K, or $499/month for 380,000 requests ($1.31/1K) on the Scale plan, with additional requests at $1.30/1K. Free tier is 5,000 records/month with no card (brightdata.com/pricing/serp, verified 2026-08-26).

Rating: ★★★☆ (3/5)

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7. Tavily — AI-Native Search

Website: tavily.com

Tavily is designed specifically for AI applications. It returns cleaned, summarized content rather than raw SERP data. Good if you want pre-processed results.

Strengths

• AI-extracted content (not raw HTML)

• Built for RAG/LLM pipelines

• Topic classification

• LangChain integration

Weaknesses

• Expensive — $8/1K on pay-as-you-go ($0.008/credit, tavily.com/pricing, verified 2026-08-26)

• Not suitable for SEO tools — data is transformed into AI summaries, not raw SERP data

• Limited geo-targeting

• Monthly subscription only

Pricing

$50/month for 10,000 searches. Enterprise pricing available.

Rating: ★★★☆ (3/5)

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8. Exa — Neural Search Engine

Website: exa.ai

Exa uses neural/semantic search rather than keyword matching. It's a different paradigm — great for finding conceptually similar content, less suitable for SERP tracking.

Strengths

• Semantic search (finds conceptually related pages)

• Content extraction built-in

• Good for research applications

• Novel approach to search

Weaknesses

• Not a true SERP API — doesn't return Google results

• Expensive ($3–$10/1K)

• Can't track Google rankings

• Limited to web search (no images, news, maps)

• Smaller index than Google

Pricing

1,000 free searches/month. Paid plans start at $20/month.

Rating: ★★★☆ (3/5)

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9. DataForSEO — SEO Data at Scale

Website: dataforseo.com

DataForSEO provides SERP data alongside keyword data, backlink data, and on-page SEO metrics. It's a full SEO data platform rather than just a search API.

Strengths

• Full SEO data suite (SERPs + keywords + backlinks + on-page)

• Competitive pricing at volume

• Task-based async API (queue large batches)

• Historical SERP data

Weaknesses

• The cheapest rate is on the async task queue, where results are collected later; same-call "live" results cost more

• Complex API with many endpoints

• Best for SEO, less suitable for AI agents

• Steeper learning curve

• No free tier

Pricing

Pay-as-you-go: $0.75–$2.00/1K depending on endpoint and priority.

Rating: ★★★☆ (3/5)

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10. ScrapingBee — Web Scraping + SERP

Website: scrapingbee.com

ScrapingBee is primarily a web scraping API that also offers a Google Search endpoint. Best if you need both capabilities.

Strengths

• Combined web scraping + SERP API

• JavaScript rendering

• Screenshot capture

Weaknesses

• SERP API is secondary to scraping

• Expensive for SERP-only use ($5+/1K)

• Limited SERP feature parsing

• No AI features

Pricing

Starts at $49/month for 150,000 credits (1 SERP search = 25-75 credits).

Rating: ★★½ (2.5/5)

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11. Oxylabs SERP Scraper — Enterprise Grade

Website: oxylabs.io

Oxylabs targets enterprise customers with high-volume needs. Their SERP API is part of a large enterprise data platform.

Strengths

• Enterprise reliability and SLAs

• Scheduler for recurring scrapes

• Dedicated account management

Weaknesses

• Enterprise pricing ($3–$5/1K minimum)

• Requires sales contact for setup

• Overkill for small/medium projects

• No AI features

• Complex to get started

Pricing

Custom pricing starting at ~$3/1K. Annual commitments required.

Rating: ★★½ (2.5/5)

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Head-to-Head: Searlo vs Top 3 Competitors

Latency (Searlo's own production figures)

Measured from Searlo's production logs on September 29, 2026, across 384,550 successful web-search calls. Image search runs slower, with a median of about 1.5 seconds and a p90 of about 3 seconds. These describe our own service, not a head-to-head test: we have not run a latency benchmark of other providers that we would publish, so time Serper, SerpAPI and Tavily with your own queries if speed decides it.

Cost at Scale

AI Feature Matrix

Which SERP API Should You Choose?

Choose Searlo if you want the cheapest API with AI-native features. Best for: AI agents, RAG systems, SEO tools, any production app.

Choose Serper if you need basic Google JSON results and don't need AI features. Good budget option for simple use cases.

Choose SerpAPI if you need multi-engine support (Bing, Baidu, Yandex) or have legacy integrations. Accept the higher cost for the largest ecosystem.

Choose Tavily if you want pre-processed AI search content and don't need raw SERP data. Good for simple RAG where you want clean text.

Choose DataForSEO if you need a complete SEO data platform (SERPs + keywords + backlinks) and can work with async APIs.

Building recall-first AI research or monitoring? Consider CatchAll (Sponsored) — it optimizes for coverage and event extraction rather than Google rank fidelity. It is not a rank-tracking tool, so pair it with a ranked provider above for SERP and SEO work.

SERP API vs Building Your Own Scraper

The most common question developers ask is whether to use a SERP API at all, or just scrape Google directly. Building your own scraper means owning a moving target:

• Parsers — Google changes its HTML frequently, breaking selectors and silently corrupting your data.

• Rendering — many SERP features only appear after JavaScript executes, so you need to render pages.

• Geo & scale — accurate country/city results and high throughput add infrastructure cost.

A SERP API absorbs all of that and returns clean, structured JSON. At $0.20–$0.30 per 1,000 queries, a managed API almost always beats the engineering time of building and maintaining a scraper — building only makes sense at extreme volume with a dedicated team. For most teams, the break-even math favors the API. If you need raw SERP data at scale, a provider like Bright Data or Searlo delivers it without the maintenance burden.

Getting Started

The fastest way to evaluate is to test with real queries. Sign up for free at dashboard.searlo.tech — 3,000 credits, no credit card required (new users: 1-year validity, legacy users: unlimited).

See the SERP API page for the endpoints and what each call costs, read our API documentation to get your first search result in under 5 minutes, or connect your AI agent via MCP Protocol for zero-code integration.

More Comparisons

• Searlo vs SerpAPI — detailed head-to-head

• Searlo vs Serper — features and pricing comparison

• Searlo vs Tavily — AI search API comparison

• Cheapest SERP API 2026 — full pricing breakdown

• Best Rank Tracker APIs 2026 — rank-tracking specifically, with every price sourced and the unverifiable ones labelled

• SERP API for SEO — SEO-specific features

• SERP API for AI — AI/LLM integration guide