Programmatic access to real-time content filtering intelligence from the @Filter community.
Fixed endpoints for dashboards and integrations
or $499/year
Flexible queries for researchers and data teams
or $1,490/year
AI-powered queries via MCP for Claude, Cursor, VS Code
or $2,990/year
| Feature | Observer | Analyst | Professional |
|---|---|---|---|
| Fixed GET endpoints | 6 | 6 | 6 |
| Flexible POST query | — | Yes | Yes |
| CSV export | — | Yes | Yes |
| MCP server (AI assistant) | — | — | Yes |
| Rate limit | 30/min | 120/min | 300/min |
| Max group_by dimensions | — | 5 | 5 |
| Max results per query | 500 | 1,000 | 1,000 |
| Trending detection | Yes | Yes | Yes |
| Keyword activity tracking | Yes | Yes | Yes |
| Webhook alerts | Yes | Yes | Yes |
| Geographic granularity | Country to city | Country to city | Country to city |
What you get access to
The @Filter Signals API provides aggregated, anonymous user filtering behavior data. All data points reflect collective user choices with differential privacy protections (noise injection, k-anonymity with minimum 50 users per data point). Data does not represent editorial claims, endorsements, or factual assertions by @Filter or @Map.
By subscribing, you agree to the API Terms of Service and Privacy Policy. All subscriptions auto-renew until cancelled.
Need institutional access, custom endpoints, or higher limits? Contact us