Scraping API PricesSerpApi vs Zenserp
The first-plan boundary between a long SERP plan ladder and larger bundled search tiers.
SerpApi
Zenserp
The difference
Both paths, one ruler
SerpApi
Successes you want
100,000 standard searches
Your stated workload. Every vendor on this site is priced against this same number.
- × 1
Attempts you are billed for
100,000 standard searches
SerpApi does not bill failed fetches, so failures cost nothing here.
- × 1
What the meter counts
100,000 searchs
One attempt is one billed unit for this workload.
- =
Cash per month
$725.00 /mo
Searcher. Cheapest of every eligible purchase option, not the first plan that fits.
Bars share one linear scale across the 3 counted stages, so a multiplier shows as length. Units differ by stage and are labelled. Cash is not on that scale.
Zenserp
Successes you want
100,000 standard searches
Your stated workload. Every vendor on this site is priced against this same number.
- × 1
Attempts you are billed for
100,000 standard searches
Zenserp does not bill failed fetches, so failures cost nothing here.
- × 1
What the meter counts
100,000 searchs
One attempt is one billed unit for this workload.
- =
Cash per month
$149.99 /mo
Medium. Cheapest of every eligible purchase option, not the first plan that fits.
Bars share one linear scale across the 3 counted stages, so a multiplier shows as length. Units differ by stage and are labelled. Cash is not on that scale.
Both ladders share one linear scale, topping out at 100,000 counted units, so a longer bar means more billed work rather than a different drawing.
These figures are for one stated workload: 100,000 standard search calls with one default-depth result set per call. The comparison below names where the answer changes.
The boundary
After recurring free allowances are excluded, SerpApi is lower for paid successful requests on a shared SERP type through 1,000 searches a month. At 1,001 searches, the SerpApi entry plan is exhausted while Zenserp’s first paid plan still has a much larger allowance, so Zenserp becomes lower and remains lower through the tested one-million-search range. The boundary is sharp because neither vendor publishes a normal automatic overage rate on these plans. A paid workload that hovers around one thousand searches should use an exact count and growth margin rather than a rounded monthly estimate. (SerpApi pricing, retrieved 2026-07-26; Zenserp pricing, retrieved 2026-07-26)
The shared billing event is close. SerpApi says a successful search counts once even if it returns many results or none, and cached, errored, and failed searches do not count. Zenserp says only successful responses are charged and failed errors do not count against the plan. This page compares published search units only. It does not imply equal engine coverage, field structure, result count, or delivery quality. (SerpApi pricing, retrieved 2026-07-26; Zenserp pricing, retrieved 2026-07-26)
How the billing models differ
SerpApi sells a long monthly ladder from a small entry allowance through several multi-million-search cloud tiers. It publishes hourly throughput for every plan and offers early renewal rather than a standard overage rate. Zenserp sells five paid monthly bundles plus a recurring free plan, states that all its published SERP types are included, and does not publish an overage price. Zenserp’s larger first paid allowance creates the early crossover; SerpApi’s additional plan steps provide more procurement choices at higher volume. (SerpApi pricing, retrieved 2026-07-26; SerpApi FAQ, retrieved 2026-07-26; Zenserp pricing, retrieved 2026-07-26)
Throughput is a separate boundary. SerpApi publishes plan-specific hourly capacity. The reviewed Zenserp pricing and documentation pages did not expose a numeric rate limit. That does not mean Zenserp is unlimited. A buyer with a concentrated batch should obtain its actual limit before treating the larger monthly allowance as eligible. (SerpApi pricing, retrieved 2026-07-26; Zenserp documentation, retrieved 2026-07-26)
What each offers that the other does not
SerpApi publishes a broad engine catalog, engine-specific API documentation, cached-search behavior, and an Account API for plan and usage status. Zenserp explicitly includes Google, Google Images, Google Maps, Google News, YouTube, Bing, Yandex, and DuckDuckGo on its plan page. SerpApi is the direct fit when an engine or adapter outside Zenserp’s published set is required or programmatic account status matters. Zenserp is the direct fit when its listed engine set is sufficient and a larger first paid allowance matches the job. (SerpApi engine catalog, retrieved 2026-07-26; SerpApi Account API, retrieved 2026-07-26; Zenserp pricing, retrieved 2026-07-26)
Who should pick which
Pick SerpApi at or below 1,000 monthly successful searches when its entry plan and throughput fit, or whenever its broader engine coverage is mandatory. Pick Zenserp from 1,001 through one million shared searches when its engine set serves the job and its unverified rate limit does not block the delivery window. If the workload requires a niche engine, cached responses, unusually high burst throughput, or a strict retention contract, settle those constraints before using the price boundary. (SerpApi pricing, retrieved 2026-07-26; Zenserp pricing, retrieved 2026-07-26)
Zenserp’s numeric rate limit and exact annual effective prices were not obtainable from the reviewed first-party pages. Neither vendor clearly publishes monthly-search rollover. These are visible unknowns, not zero-value fields. (Zenserp pricing, retrieved 2026-07-26; Zenserp documentation, retrieved 2026-07-26; SerpApi pricing, retrieved 2026-07-26)