Serpstack

Serpstack is a Google-specific SERP API built and maintained by apilayer, a company known for operating several API services across different verticals. The service is designed to be straightforward: you send a query, location, and language to the REST API, and it returns Google's search results parsed into structured JSON. It's not feature-rich compared to broader platforms, but it handles the core job reliably and at an approachable price for small to mid-sized teams.

The API returns all the standard Google SERP elements in a single response: organic results (up to ten per page, pageable), paid ads with visible ad copy and landing pages, knowledge graphs with entity data, local business listings with addresses and ratings, related searches, and any prominent featured snippets. The response format is JSON with consistent field names for titles, URLs, descriptions, position rankings, and metadata. The documentation (hosted on apilayer's docs site) covers the HTTP request structure, query parameters, and response schema, though the site doesn't publish comprehensive examples for every result type. This means you'll spend some time reverse-engineering the exact field structure for uncommon SERP features like carousels or shopping results.

Geographic and language targeting is built in. You can specify any country and language combination via query parameters, and the API will attempt to deliver results as if the search originated from that location in that language. This is essential for international SEO teams managing campaigns across multiple markets. Serpstack positions this as "global location access," though the site doesn't publish a list of supported combinations or validation results showing how accurately location targeting works for every country. If your campaigns are in India, Japan, or smaller markets, you'll want to test the API before committing to verify that location targeting actually returns localized results and doesn't just proxy US results with localization parameters applied incorrectly.

Pricing is entry-level friendly. The free tier allows 100 monthly queries at no cost, which is barely enough for a quick test but not production-grade. The Basic plan costs $29.99 per month (or $26.99 annually) and includes 5,000 monthly queries with an overage rate of $0.024 per additional search. The Business plan ($99.99/month, or $87.99 annually) provides 20,000 searches per month with a $0.020 per-search overage rate. The Business Pro tier ($199.99/month or $169.99 annually) scales to 50,000 searches per month at $0.016 per overage. There is an Enterprise tier with volume pricing and custom terms, but pricing is not published. Annual billing offers up to a 15% discount compared to month-to-month. On a per-query basis, even the Basic plan works out to around $0.006 per search if you hit your monthly quota, which is reasonable but not the cheapest option available. For an agency running 5,000 keyword checks monthly, the Basic plan at $30 per month is cost-effective.

Serpstack emphasizes reliability and ease of onboarding. All paid plans promise no rate limits (you can send queries as fast as your network allows without throttling), 24/7 support, and HTTPS encryption for all requests. The service is designed to handle high-volume scraping, positioning itself toward "SEO agencies, marketing professionals, and companies of any size around the world." The documentation mentions that the API is "easy" and "straightforward," and the onboarding is designed to get you started in minutes rather than hours. This is marketing language, but it does suggest that the platform prioritizes ease of use over feature complexity, which appeals to teams that want to integrate a SERP API quickly.

Support tiers add an interesting differentiator. Standard Support is included in all paid plans and provides email support with a reasonable response time. Platinum Support (pricing not published) adds a dedicated account team, priority email support, and quarterly briefing calls with the Product Management team. For teams running mission-critical SEO workflows, the Platinum tier may justify the cost by reducing support friction and ensuring faster issue resolution. This tiered support structure goes further than many competitors' one-size-fits-all support offerings.

Serpstack has some real limitations that matter depending on your use case. First, it is Google-only; if you need to monitor Bing, DuckDuckGo, or any other search engine, this service cannot help. This rules it out entirely for teams doing competitive analysis across multiple engines. Second, the API documentation is less detailed than competitors, with sparse information on how newer SERP features (like AI Overviews, Shopping Ads, or carousel results) are parsed and returned. The apilayer documentation site is adequate but not as polished as standalone SERP API providers. Third, there is no mention of batch processing, async queries, or bulk operations; if you need to run 10,000 queries at once, you'll be making 10,000 individual API calls. This introduces engineering complexity and slower query processing than providers with batch endpoints. Fourth, the free tier is so small (100 queries per month) that it's unsuitable for realistic testing; you'll need to start on the Basic plan to do meaningful evaluation.

Response times are not published. The site doesn't claim any specific latency target, which makes it difficult to assess whether Serpstack will work for real-time applications or whether it's designed for batch processing. For teams building ranking trackers or dashboards that need fresh data within minutes, the lack of latency guarantees is a risk. Trying the Basic plan and measuring response times yourself is the only way to validate fit.

Serpstack is a good fit for small teams and solo practitioners who need straightforward Google SERP data without bells and whistles. The entry-level pricing ($29.99/month for 5,000 queries) is accessible, and the API is designed to be easy to integrate. If your workflow is purely Google-focused and you don't need advanced features like batch processing or keyword metrics, Serpstack is a practical choice. For teams that need multi-engine support, higher query volumes, or more sophisticated tooling, a larger platform like SerpApi or a Google-specific speed-focused provider like Serper might be better investments. If you choose Serpstack, test it thoroughly with real query samples before moving to a paid plan, and confirm that location and language targeting work for your specific markets.

The service has been stable in operation for several years, suggesting that apilayer's stewardship is reliable. However, because it's hosted by apilayer (a multi-service API provider) rather than a dedicated SERP company, you're trusting a generalist team to maintain and evolve a specialized tool. This is usually fine for core SERP operations, but it means that new SERP features are likely to lag behind dedicated SERP API providers. When Google launches a new result type, dedicated SERP companies typically adapt faster than generalist API providers managing dozens of endpoints.

Serpstack's primary weakness is its lack of innovation and secondary features. No batch processing, no CAPTCHA solving, no SERP type guarantees, no public status page. It's a basic, reliable Google SERP API for teams that need nothing more. If your needs are more complex, you'll outgrow it.