SEO Tester Online alternative — the apibacklinks backlink API
A developer-first, 10× cheaper SEO Tester Online alternative: backlinks, referring domains, anchors and Domain Rating as one JSON API. $100 free, DR & counts keyless.
If SEO Tester Online is the map, what you actually need is the API behind it — same territory, a tenth of the toll. SEO Tester Online – SEO Analysis Online For Your Website
Between seat limits, row caps and “contact sales” API tiers, pulling raw link data at scale turns into a procurement project.
apibacklinks was built for exactly this: referring domains, backlinks, anchors and a 0–100 Domain Rating, delivered as JSON over a web-scale link graph. Domain Rating and link counts are free and keyless; the heavy backlink and referring-domain lists cost about a tenth of what SEO Tester Online and the incumbents charge.
The numbers for seotesteronline.com above come straight from that index — proof it works on the brand you’re comparing. Domain Rating and link counts are free and keyless; the heavy lists cost about a tenth of the usual rate. Start with $100 on the house.
apibacklinks vs SEO Tester Online
| apibacklinks | SEO Tester Online | |
|---|---|---|
| Access | JSON API | Dashboard-first |
| Price | from $0.10 per 1,000 calls | Subscription / higher |
| Free sign-up credit | $100 | Limited / trial |
| DR & link counts | Free, keyless | Paid / limited |
From SEO Tester Online to apibacklinks in one call
curl "https://apibacklinks.com/api.php?action=backlinks&q=seotesteronline.com&key=YOUR_KEY"
SEO Tester Online alternative — FAQ
Is there a free SEO Tester Online alternative?
How is apibacklinks cheaper than SEO Tester Online?
Where does the data come from?
Backlink data for the price of a rounding error
Sign in with Google, keep your $100 of credit, call the API today.
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