A genuinely cheap SERP API — pay only $0.002 per request
Most SERP and keyword APIs charge a monthly subscription or a sizeable minimum deposit. Kwinside is built to be cheap to start and cheap at low volume: $0.002 per request, a $20 minimum, and 20 free requests every day — across SERP, keyword and competitor data on one balance. (Disclosure: Kwinside is our product; figures below are as of June 2026 — verify on each provider.)
Start free — 20 requests/day, no card
Kwinside vs Typical SERP API — at a glance
| Feature | Kwinside | Typical SERP API |
|---|---|---|
| Kwinside | $0.002 / request | Pay-as-you-go · $20 min · 20 free/day |
| DataForSEO | Pay-as-you-go | $50 minimum deposit |
| SerpApi | Monthly subscription | No pay-as-you-go |
| Serpstat (API) | Subscription + credits | From ~$100 / mo |
| SE Ranking (API) | Subscription | From ~€155 / mo |
| Keyword Tool (API) | Subscription bundle | From ~$89 / mo |
Comparison as of June 2026 — pricing and features change often, so please verify on each provider’s website. Kwinside is our own product; Typical SERP API is a trademark of its respective owner.
Why Kwinside is the cheapest way to start
If your usage is low, bursty, or you are still prototyping, a flat monthly plan wastes money. Kwinside charges only for the requests you make — $0.002 each — with plans or pay-as-you-go and a $20 entry. You can validate your integration on the free 20-requests-a-day tier before you spend anything.
At very high, steady volume a dedicated platform may work out comparably — but for most small-to-mid projects, per-request billing with a free daily allowance is the cheapest path to live SERP and keyword data.
Frequently asked questions
What is the cheapest SERP API?
For low and variable volume, Kwinside is among the cheapest: $0.002 per request, a $20 minimum and 20 free requests per day, with plans or pay-as-you-go. Compare against your own expected volume.
Is there a free SERP API?
Yes — Kwinside includes 20 free SERP/keyword API requests per day on every account, no credit card required.
Do I need a monthly subscription for a SERP API?
Not with Kwinside. You top up your balance once (minimum $20) and pay $0.002 per request as you go.
Pay-as-you-go pricing · Free SERP & keyword API · API docs