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SERP guide · metering explained

Is There an Unlimited SERP API?

Google, Bing, Yahoo and DuckDuckGo: live · Baidu and Ecosia: opening soon · not GA

Every search costs the provider a fetch, so plans sold as unlimited cap usage somewhere else. Here is where to look, and the formula we use instead.

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Baidu and Ecosia endpoints opening soon.

Published · Updated

Where the cap hides

Categories to check in any plan sold as unlimited. These are kinds of limits, not claims about a provider.

  • Concurrency: how many requests may run at once.
  • Daily or monthly ceilings written into the plan details.
  • Fair-use clauses that let the provider decide what counts as normal use.
  • Throttling: requests slow down after a threshold instead of failing.

Our metering formula

Cost of a run
cost = successful searches × 2 Credits   # display rate
failed searches  → not charged
task polling     → free

Rate limits still apply and are signaled with 429 and Retry-After; this page does not quote thresholds.

Launch status for this page

Check engine availability before choosing an endpoint. Google also supports News, Images and asynchronous tasks.

  • GoogleLiveGoogle is callable today with a Bearer API key.
  • BingLiveBing is callable today with a Bearer API key.
  • YahooLiveYahoo is callable today with a Bearer API key.
  • DuckDuckGoLiveDuckDuckGo is callable today with a Bearer API key.
  • BaiduOpening soonBaidu endpoints opening soon: until they open, requests return 503 service_unavailable and are not charged.
  • EcosiaOpening soonEcosia endpoints opening soon: until they open, requests return 503 service_unavailable and are not charged.

SERP searches are charged per successful search at a display rate of 2 Credits per search; failed searches are not charged. Polling task status is free. The current rate is on Pricing.

Frequently asked questions

Is SpideyData unlimited?

No. It is metered per successful search, and platform rate limits apply.

Do sync and async cost differently?

No. Both use the same display rate of 2 Credits per successful search.

Is there a volume discount?

No. There are no tiered prices.

Metered, and predictable

Multiply successful searches by 2 Credits and you have the bill; failures and polls add nothing.

Get API keySERP API overviewRead the SERP docs

Baidu and Ecosia endpoints opening soon.