15 SignalSumo alternatives in 2026
The best alternatives to SignalSumo for backlink APIs: DataForSEO, BacklinkMCP and SE Ranking, by our benchmark. SignalSumo's website is signalsumo.com.
Backlink API alternatives
DataForSEO, BacklinkMCP and SE Ranking are the best backlink API providers in the Datacircle benchmark.
On our SignalSumo plan pages, we compare each SignalSumo plan with other providers' plans. We list other providers' plans below, cheapest per 1,000 backlinks first.
| Provider and plan | $ per 1,000 backlinks |
|---|---|
| BacklinkMCP, free | $0.00 |
| VebAPI, free trial, GET /api/backlinks/new | $0.00 |
Compare every backlink API plan: Backlink API pricing: free and cheapest plans compared
Domain authority API alternatives
AnyAPI, host.io and SearcherLite are the best domain authority API providers in the Datacircle benchmark.
On our SignalSumo plan pages, we compare each SignalSumo plan with other providers' plans. We list other providers' plans below, cheapest per 1,000 domains first.
| Provider and plan | $ per 1,000 domains |
|---|---|
| UnblockingAPI, €10 pack | $1.13 |
| ScrapeWhale, $9.90 pack | $9.90 |
| DR Checker, $15 monthly, Pro, POST /api/tools/authority-score | $75.00 |
| Local SEO Data, top-up from $5 | $115.00 |
Compare every domain authority API plan: Domain authority API pricing: free and cheapest plans compared
Keyword research API alternatives
DataForSEO, Bishopi and AppDrift are the best keyword research API providers in the Datacircle benchmark.
On our SignalSumo plan pages, we compare each SignalSumo plan with other providers' plans. We list other providers' plans below, cheapest per 1,000 keywords first.
| Provider and plan | $ per 1,000 keywords |
|---|---|
| SEOZoom, €199 monthly | $746.45 |
| Exploding Topics, $1,000 monthly, 1,000 requests per month, GET /topic | $1,000.00 |
| Jungle Scout, $149 monthly | $1,490.00 |
| Senuto, €1,188 yearly | $2,228.09 |
| xSeek, $149 monthly | $4,966.67 |
| Answer Socrates, $190 yearly | $5,277.78 |
Compare every keyword research API plan: Keyword research API pricing: free and cheapest plans compared
Related keywords API alternatives
DataForSEO, Mangools and Bing Webmaster Tools are the best related keywords API providers in the Datacircle benchmark.
On our SignalSumo plan pages, we compare each SignalSumo plan with other providers' plans. We list other providers' plans below, cheapest per 1,000 keywords first.
| Provider and plan | $ per 1,000 keywords |
|---|---|
| EverBee, top-up | $7.50 |
| Morningscore, $69 monthly | $13.80 |
| Ahrefs, $249 monthly, Standard, GET /v3/keywords-explorer/related-terms, Related terms, full | $21.48 |
| Local SEO Data, top-up from $5, Pay-As-You-Go, POST /v1/keywords/suggestions | $23.00 |
| SEOZoom, €99 monthly | $1,485.40 |
Compare every related keywords API plan: Related keywords API pricing: free and cheapest plans compared
- BacklinkMCP alternatives
- VebAPI alternatives
- UnblockingAPI alternatives
- ScrapeWhale alternatives
- DR Checker alternatives
- Local SEO Data alternatives
- SEOZoom alternatives
- Exploding Topics alternatives
- Jungle Scout alternatives
- Senuto alternatives
- xSeek alternatives
- Answer Socrates alternatives
- EverBee alternatives
- Morningscore alternatives
- Ahrefs alternatives
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