Recommended software
Best SEO software with an API
Morningscore ranks first because it supports api, supports keyword research, supports keyword difficulty, and supports keyword clustering. It is followed by Frase and Serpstat.
Ranked products
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Morningscore
Morningscore ranks 1st because:
- Morningscore supports api.
- Morningscore supports keyword research.
- Morningscore supports keyword difficulty.
- Morningscore supports keyword clustering.
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Frase
Frase ranks 2nd because:
- Frase supports api.
- Frase supports keyword research.
- Frase supports keyword clustering.
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Serpstat
Serpstat ranks 3rd because:
- Serpstat supports api.
- Serpstat supports keyword research.
- Serpstat supports keyword clustering.
Criteria comparison
Products are ranked only from verified, sourced facts. Missing evidence remains unknown and does not count as a negative claim.
| Criterion | Weight | Morningscore | Frase | Serpstat |
|---|---|---|---|---|
| API | 6 | Yes (+6 points)Source · verified 5 September 2026 | Yes (+6 points)Source · verified 4 September 2026 | Yes (+6 points)Source · verified 5 September 2026 |
| Keyword research | 3 | Yes (+3 points)Source · verified 5 September 2026 | Yes (+3 points)Source · verified 4 September 2026 | Yes (+3 points)Source · verified 5 September 2026 |
| Keyword difficulty | 3 | Yes (+3 points)Source · verified 5 September 2026 | Not confirmed | Not confirmed |
| Keyword clustering | 3 | Yes (+3 points)Source · verified 5 September 2026 | Yes (+3 points)Source · verified 4 September 2026 | Yes (+3 points)Source · verified 5 September 2026 |
Method and alternate format
Only products meeting the evidence threshold and coverage-gap rule are ranked. Missing facts earn no points and are not treated as negative claims.