AI content quality & topic vs AI description
Two Marketing & SEO APIs with a free plan, compared field by field.
| AI content quality & topic relevance checker | AI description, headline & SEO keyword generator | |
|---|---|---|
| Endpoints | 1 | 1 |
| Latency | — | — |
| Service level | — | — |
| Free tier | $0.00 | $0.00 |
| Paid from | $9.99 | $9.99 |
| Updated | 2025-11-26 | 2025-09-22 |
AI content quality & topic relevance checker
The API scores a piece of writing on quality, topic relevance, grammar, originality, readability, tone and SEO, and returns the reasons behind each score.
Editorial teams and content platforms use it as a gate before publishing rather than an audit afterwards.
AI description, headline & SEO keyword generator
The API produces a description, a headline and a matching keyword set in one call, so the three do not have to be reconciled afterwards.
It fits publishing platforms and stores that need consistent metadata across a large catalogue.
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