SerpApi vs SignalShelf: a cheaper SerpApi alternative for Google search and Maps

At a glance

Their numbers are quoted from SerpApi’s public pages, read 3 November 2026. Ours are from our pricing page and our own benchmark. Unknown means the figure isn’t published.

Where SerpApi is stronger

Depth on search: dozens of Google verticals and other engines, with fine-grained parameters.

Cached (1 hour) and failed searches are free, and each plan has a guaranteed hourly throughput.

A mature product with a permanent free plan and a live checkout.

Why switch from SerpApi

Price: Google search is 2 credits with us, about $1.90 per 1k searches on Starter and $1.00 on Scale, vs $25 to $3.75 per 1k on SerpApi plans.

Google Maps search is 1 credit and returns about 20 places; Maps reviews are 2 credits per 20 reviews.

Social data on the same key: TikTok, Instagram, Threads, Facebook, X, LinkedIn, YouTube and more.

No monthly subscription: prepaid credits that never expire.

How to switch

1. Create a free account and API key: 1,000 credits, no card · earn 5,000 more.

2. Map engines: engine=google → /v1/google/search, engine=google_maps → /v1/google-maps/search, engine=google_maps_reviews → /v1/google-maps/reviews, Play and App Store → /v1/google-play/app, /v1/app-store/app.

3. Move the key from the api_key parameter to the x-api-key header.

4. Update field names in your parser: our fields differ from SerpApi’s.

Anything we don’t serve yet returns a clear error and costs 0 credits, so you can run both side by side while you move over.

curl "$SIGNALSHELF_BASE_URL/v1/google-maps/search?query=dentists&location=Austin,TX" \
  -H "x-api-key: $SIGNALSHELF_API_KEY"

FAQ

Is SignalShelf cheaper than SerpApi?

For Google search and Maps, yes: about $1.00 to $1.90 per 1,000 searches vs $3.75 to $25 per 1,000 on SerpApi plans (read 3 Nov 2026). SerpApi covers far more engines and parameters.

Is it a drop-in replacement for SerpApi?

No. Paths and field names differ, so you will update your request and parsing code. We are drop-in for ScrapeCreators, and offer Outscraper-compatible paths for Maps.

Is SignalShelf faster than SerpApi?

We haven’t timed SerpApi, so we don’t claim it. The only provider we have speed-tested is ScrapeCreators: median 1.44 s for us vs 3.96 s for them on 119 endpoints (3 Nov 2026). The method and raw data are on our benchmark page, so you can run the same check against SerpApi yourself.

Can I pay for SignalShelf today?

Yes. Start with 1,000 free credits + 5,000 to earn, then buy a one-time pack by card, PayPal or UPI. Credits never expire.

Sources

Pages read on 3 November 2026. Prices change; check their page before you decide.