Haloscan API review
Best French-market data
Haloscan is a French SEO platform that keeps coming up when French practitioners compare data quality, and in that market its keyword data is regularly rated above the international incumbents. It is a reminder that global tools are not uniformly good everywhere.
Two things make it worth listing beyond France. API access is included from the first paid subscription rather than gated behind an enterprise tier, and it ships an MCP server, which puts it in a small group of SEO APIs queryable directly from an AI client.
Who Haloscan API is for
Anyone working French-language markets seriously, where local data quality beats broad international coverage. Also worth a look for anyone who wants API access without the tiering games most platforms play.
Strengths and limits
What it does well
- French keyword and SERP data that local practitioners rate above the international tools.
- API access included from the first subscription rather than sold as a premium tier.
- An MCP server, so the data is queryable from Claude and similar clients without an integration.
- Around €588 a year for API access, an order of magnitude below the enterprise incumbents.
Where it falls short
- Coverage outside French-speaking markets is much weaker than the global providers.
- Fewer metrics overall than DataForSEO or Semrush.
- Documentation and community are largely French, which is friction for non-French teams.
Haloscan API pricing
API access is included from the first paid subscription at no extra cost, with annual API pricing around €588.
Against Semrush at roughly $6,000 a year before units, that is a striking difference for anyone whose market it actually covers. The catch is exactly that: it covers French-speaking markets very well and everywhere else considerably less so.
Verdict
The right choice for French-market SEO and a curiosity elsewhere. Practitioners there use it alongside DataForSEO precisely because local data quality and broad coverage are different problems. Including the API from the first tier is a policy more vendors should copy.
Haloscan API FAQ
How much does the Haloscan API cost?
API access is included from the first paid subscription, with annual API pricing around €588. There is no separate premium API tier.Is Haloscan only useful for French SEO?
Largely, yes. Its data quality advantage is in French-speaking markets. Outside them the global providers have far better coverage, so treat it as a specialist rather than a general option.Does Haloscan have an MCP server?
Yes, which makes it one of a handful of SEO APIs you can point an AI client at directly. French practitioners commonly run it alongside DataForSEO's MCP for exactly that reason.Haloscan or Semrush for French markets?
For French data quality specifically, practitioners in that market frequently prefer Haloscan, and its API costs roughly a tenth of Semrush's. Semrush wins on breadth across many countries.
Other providers worth a look
This is an independent review. We have no affiliate relationship with Haloscan API, earn nothing if you sign up, and no provider pays for placement in the directory. Prices were read from the vendor's own pages in August 2026 and change without notice.