A pay-as-you-go Keyword Tool API alternative
Keyword Tool is great at autocomplete suggestions across 15+ platforms (YouTube, Amazon, Bing and more), but its API comes bundled into plans from roughly $89/mo. Kwinside focuses on Google keyword search volumes, SERP positions and competitor data, billed per request. (Disclosure: Kwinside is our product; Keyword Tool is a trademark of its owner.)
Start free — 20 requests/day, no card
Kwinside vs Keyword Tool — at a glance
| Feature | Kwinside | Keyword Tool |
|---|---|---|
| Pricing model | Pay-as-you-go, $0.002 / request | Subscription bundle |
| API entry cost | $20 top-up | From ~$89 / mo |
| Free tier | 20 requests / day | Tool has free suggestions; API is paid |
| Search-volume data | Yes (6 languages) | Yes (in higher tiers) |
| SERP positions & competitors API | Yes | — |
| Multi-platform autocomplete | Google-focused | 15+ platforms (broader) |
| Code examples in API docs | Yes | Limited |
Comparison as of June 2026 — pricing and features change often, so please verify on each provider’s website. See the Keyword Tool pricing page. Kwinside is our own product; Keyword Tool is a trademark of its respective owner.
When Kwinside is the better Keyword Tool API alternative
Choose Kwinside when you need keyword search volumes plus SERP and competitor data over a cheap per-request API — $0.002 each, $20 to start, 20 free requests a day.
Stick with Keyword Tool if your priority is autocomplete suggestions across many platforms (YouTube, Amazon, App Store). Kwinside is Google-focused and adds SERP/competitor endpoints Keyword Tool does not.
Frequently asked questions
Is there a cheaper Keyword Tool API alternative?
Yes — Kwinside is pay-as-you-go at $0.002 per request with a $20 minimum, versus a bundled plan from around $89/mo (as of June 2026).
Does Kwinside cover YouTube and Amazon keywords?
Kwinside is Google-focused (search volumes, SERP, competitors in 6 languages). For multi-platform autocomplete, Keyword Tool covers more platforms.
Is there a free tier?
Kwinside includes 20 free API requests per day on every account.
Pay-as-you-go pricing · Free SERP & keyword API · API docs